mirror of https://github.com/ElemeFE/element
				
				
				
			
		
			
				
	
	
		
			887 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			Markdown
		
	
	
			
		
		
	
	
			887 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			Markdown
		
	
	
<script>
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  export default {
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    data() {
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      var checkAge = (rule, value, callback) => {
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        if (!value) {
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          return callback(new Error('Please input the age'));
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        }
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        setTimeout(() => {
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          if (!Number.isInteger(value)) {
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            callback(new Error('Please input digits'));
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          } else {
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            if (value < 18) {
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              callback(new Error('Age must be greater than 18'));
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            } else {
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              callback();
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            }
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          }
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        }, 1000);
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      };
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      var validatePass = (rule, value, callback) => {
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        if (value === '') {
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          callback(new Error('Please input the password'));
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        } else {
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          if (this.ruleForm2.checkPass !== '') {
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            this.$refs.ruleForm2.validateField('checkPass');
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          }
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          callback();
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        }
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      };
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      var validatePass2 = (rule, value, callback) => {
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        if (value === '') {
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          callback(new Error('Please input the password again'));
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        } else if (value !== this.ruleForm2.pass) {
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          callback(new Error('Two inputs don\'t match!'));
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        } else {
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          callback();
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        }
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      };
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      return {
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        form: {
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          name: '',
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          region: '',
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          date1: '',
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          date2: '',
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          delivery: false,
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          type: [],
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          resource: '',
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          desc: ''
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        },
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        sizeForm: {
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          name: '',
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          region: '',
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          date1: '',
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          date2: '',
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          delivery: false,
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          type: [],
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          resource: '',
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          desc: ''
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        },
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        formInline: {
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          user: '',
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          region: ''
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        },
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        labelPosition: 'right',
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        formLabelAlign: {
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          name: '',
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          region: '',
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          type: ''
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        },
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        ruleForm: {
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          name: '',
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          region: '',
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          date1: '',
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          date2: '',
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          delivery: false,
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          type: [],
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          resource: '',
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          desc: ''
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        },
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        ruleForm2: {
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          pass: '',
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          checkPass: '',
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          age: ''
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        },
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        formLabelWidth: '80px',
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        options: [
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        ],
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        rules: {
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          name: [
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            { required: true, message: 'Please input Activity name', trigger: 'blur' },
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            { min: 3, max: 5, message: 'Length should be 3 to 5', trigger: 'blur' }
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          ],
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          region: [
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            { required: true, message: 'Please select Activity zone', trigger: 'change' }
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          ],
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          date1: [
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            { type: 'date', required: true, message: 'Please pick a date', trigger: 'change' }
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          ],
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          date2: [
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            { type: 'date', required: true, message: 'Please pick a time', trigger: 'change' }
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          ],
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          type: [
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            { type: 'array', required: true, message: 'Please select at least one activity type', trigger: 'change' }
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          ],
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          resource: [
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            { required: true, message: 'Please select activity resource', trigger: 'change' }
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          ],
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          desc: [
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            { required: true, message: 'Please input activity form', trigger: 'blur' }
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          ]
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        },
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        rules2: {
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          pass: [
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            { validator: validatePass, trigger: 'blur' }
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          ],
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          checkPass: [
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            { validator: validatePass2, trigger: 'blur' }
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          ],
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          age: [
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            { validator: checkAge, trigger: 'blur' }
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          ]
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        },
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        dynamicValidateForm: {
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          domains: [{
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            key: Date.now(),
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            value: ''
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          }],
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          email: ''
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        },
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        numberValidateForm: {
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          age: ''
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        }
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      };
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    },
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    methods: {
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      onSubmit() {
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        console.log('submit!');
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      },
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      onRuleFormSubmit() {
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        console.log('onRuleFormSubmit');
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      },
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      submitForm(formName) {
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        this.$refs[formName].validate((valid) => {
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          if (valid) {
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            alert('submit!');
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          } else {
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            console.log('error submit!!');
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            return false;
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          }
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        });
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      },
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      resetForm(formName) {
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        this.$refs[formName].resetFields();
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      },
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      removeDomain(item) {
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        var index = this.dynamicValidateForm.domains.indexOf(item)
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        if (index !== -1) {
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          this.dynamicValidateForm.domains.splice(index, 1)
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        }
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      },
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      addDomain() {
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        this.dynamicValidateForm.domains.push({
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          key: Date.now(),
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          value: ''
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        });
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      }
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    }
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  }
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</script>
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<style>
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  .demo-form.demo-es {
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    .el-select .el-input {
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      width: 360px;
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    }
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    .el-form {
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      width: 480px;
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    }
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    .line {
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      text-align: center;
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    }
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    .el-checkbox-group {
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      width: 320px;
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      margin: 0;
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      padding: 0;
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      list-style: none;
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      &:after, &:before {
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        content: ' ';
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        display: table;
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      }
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      &:after {
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        clear: both;
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        visibility: hidden;
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        font-size: 0;
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        height: 0;
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      }
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      .el-checkbox {
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        float: left;
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        width: 160px;
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        padding-right: 20px;
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        margin: 0;
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        padding: 0;
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        + .el-checkbox {
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          margin-left: 0;
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        }
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      }
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    }
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    .demo-form-normal {
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      width: 480px;
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    }
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    .demo-form-inline {
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      width: auto;
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      .el-input {
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        width: 150px;
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      }
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      > * {
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        margin-right: 10px;
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      }
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    }
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    .demo-ruleForm {
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      width: 480px;
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      .el-select .el-input {
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        width: 360px;
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      }
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    }
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    .demo-dynamic {
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      width: 500px;
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      .el-input {
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        margin-right: 10px;
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        width: 270px;
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        vertical-align: top;
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      }
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    }
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    .fr {
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      float: right;
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    }
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  }
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</style>
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## Form
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Form consiste en `input`, `radio`, `select`, `checkbox`, etcétera. Con el formulario, usted puede recopilar, verificar y enviar datos.
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### Form básico
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Incluye todo tipo de entradas, tales como `input`, `select`, `radio` y `checkbox`.
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:::demo En cada componente `form`, necesita un campo `form-item` para que sea el contenedor del item.
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```html
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<el-form ref="form" :model="form" label-width="120px">
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  <el-form-item label="Activity name">
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    <el-input v-model="form.name"></el-input>
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  </el-form-item>
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  <el-form-item label="Activity zone">
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    <el-select v-model="form.region" placeholder="please select your zone">
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      <el-option label="Zone one" value="shanghai"></el-option>
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      <el-option label="Zone two" value="beijing"></el-option>
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    </el-select>
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  </el-form-item>
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  <el-form-item label="Activity time">
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    <el-col :span="11">
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      <el-date-picker type="date" placeholder="Pick a date" v-model="form.date1" style="width: 100%;"></el-date-picker>
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    </el-col>
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    <el-col class="line" :span="2">-</el-col>
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    <el-col :span="11">
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      <el-time-picker type="fixed-time" placeholder="Pick a time" v-model="form.date2" style="width: 100%;"></el-time-picker>
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    </el-col>
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  </el-form-item>
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  <el-form-item label="Instant delivery">
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    <el-switch v-model="form.delivery"></el-switch>
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  </el-form-item>
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  <el-form-item label="Activity type">
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    <el-checkbox-group v-model="form.type">
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      <el-checkbox label="Online activities" name="type"></el-checkbox>
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      <el-checkbox label="Promotion activities" name="type"></el-checkbox>
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      <el-checkbox label="Offline activities" name="type"></el-checkbox>
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      <el-checkbox label="Simple brand exposure" name="type"></el-checkbox>
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    </el-checkbox-group>
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  </el-form-item>
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  <el-form-item label="Resources">
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    <el-radio-group v-model="form.resource">
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      <el-radio label="Sponsor"></el-radio>
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      <el-radio label="Venue"></el-radio>
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    </el-radio-group>
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  </el-form-item>
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  <el-form-item label="Activity form">
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    <el-input type="textarea" v-model="form.desc"></el-input>
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  </el-form-item>
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  <el-form-item>
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    <el-button type="primary" @click="onSubmit">Create</el-button>
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    <el-button>Cancel</el-button>
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  </el-form-item>
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</el-form>
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<script>
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  export default {
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    data() {
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      return {
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        form: {
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          name: '',
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          region: '',
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          date1: '',
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          date2: '',
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          delivery: false,
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          type: [],
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          resource: '',
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          desc: ''
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        }
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      }
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    },
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    methods: {
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      onSubmit() {
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        console.log('submit!');
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      }
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    }
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  }
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</script>
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```
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:::
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:::tip
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[W3C](https://www.w3.org/MarkUp/html-spec/html-spec_8.html#SEC8.2) reglamenta que
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> <i>Cuando sólo hay un campo de entrada de texto de una sola línea en un formulario, el agente usuario debe aceptar <b>Enter</b> en ese campo como una solicitud para enviar el formulario.</i>
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Para prevenir este comportamiento, puede agregar `@submit.native.prevent` on `<el-form>`.
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  :::
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### Formulario inline
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Cuando el espacio vertical es limitado y la forma es relativamente simple, puede ponerlo en una unica línea.
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:::demo Establezca el atributo `inline` como `true` y el formulario sera inline.
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```html
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<el-form :inline="true" :model="formInline" class="demo-form-inline">
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  <el-form-item label="Approved by">
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    <el-input v-model="formInline.user" placeholder="Approved by"></el-input>
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  </el-form-item>
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  <el-form-item label="Activity zone">
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    <el-select v-model="formInline.region" placeholder="Activity zone">
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      <el-option label="Zone one" value="shanghai"></el-option>
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      <el-option label="Zone two" value="beijing"></el-option>
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    </el-select>
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  </el-form-item>
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  <el-form-item>
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    <el-button type="primary" @click="onSubmit">Query</el-button>
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  </el-form-item>
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</el-form>
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<script>
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  export default {
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    data() {
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      return {
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        formInline: {
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          user: '',
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          region: ''
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        }
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      }
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    },
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    methods: {
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      onSubmit() {
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        console.log('submit!');
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      }
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    }
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  }
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</script>
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```
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:::
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### Alineamiento
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Dependiendo de su diseño, hay varias maneras diferentes de alinear el elemento de la etiqueta.
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:::demo El atributo `label-position` decide cómo se alinean las etiquetas, puede estar `top` o `left`. Cuando se establece en `top`, las etiquetas se colocarán en la parte superior del campo de formulario.
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```html
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<el-radio-group v-model="labelPosition" size="small">
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  <el-radio-button label="left">Left</el-radio-button>
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  <el-radio-button label="right">Right</el-radio-button>
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  <el-radio-button label="top">Top</el-radio-button>
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</el-radio-group>
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<div style="margin: 20px;"></div>
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<el-form :label-position="labelPosition" label-width="100px" :model="formLabelAlign">
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  <el-form-item label="Name">
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    <el-input v-model="formLabelAlign.name"></el-input>
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  </el-form-item>
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  <el-form-item label="Activity zone">
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    <el-input v-model="formLabelAlign.region"></el-input>
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  </el-form-item>
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  <el-form-item label="Activity form">
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    <el-input v-model="formLabelAlign.type"></el-input>
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  </el-form-item>
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</el-form>
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<script>
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  export default {
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    data() {
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      return {
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        labelPosition: 'right',
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        formLabelAlign: {
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          name: '',
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          region: '',
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          type: ''
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        }
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      };
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    }
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  }
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</script>
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```
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:::
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### Validación
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El componente `form` le permite verificar sus datos, ayudándole a encontrar y corregir errores.
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:::demo Sólo tiene que añadir el atributo `rules` en el componente `Form`, pasar las reglas de validación y establecer el atributo `prop` para  `Form-Item` como una clave específica que necesita ser validada. Ver más información en [async-validator](https://github.com/yiminghe/async-validator).
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```html
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<el-form :model="ruleForm" :rules="rules" ref="ruleForm" label-width="120px" class="demo-ruleForm">
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  <el-form-item label="Activity name" prop="name">
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    <el-input v-model="ruleForm.name"></el-input>
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  </el-form-item>
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						|
  <el-form-item label="Activity zone" prop="region">
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    <el-select v-model="ruleForm.region" placeholder="Activity zone">
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      <el-option label="Zone one" value="shanghai"></el-option>
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      <el-option label="Zone two" value="beijing"></el-option>
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    </el-select>
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  </el-form-item>
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  <el-form-item label="Activity time" required>
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						|
    <el-col :span="11">
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      <el-form-item prop="date1">
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        <el-date-picker type="date" placeholder="Pick a date" v-model="ruleForm.date1" style="width: 100%;"></el-date-picker>
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      </el-form-item>
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						|
    </el-col>
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    <el-col class="line" :span="2">-</el-col>
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    <el-col :span="11">
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      <el-form-item prop="date2">
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        <el-time-picker type="fixed-time" placeholder="Pick a time" v-model="ruleForm.date2" style="width: 100%;"></el-time-picker>
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						|
      </el-form-item>
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						|
    </el-col>
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  </el-form-item>
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  <el-form-item label="Instant delivery" prop="delivery">
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    <el-switch v-model="ruleForm.delivery"></el-switch>
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  </el-form-item>
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  <el-form-item label="Activity type" prop="type">
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    <el-checkbox-group v-model="ruleForm.type">
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						|
      <el-checkbox label="Online activities" name="type"></el-checkbox>
 | 
						|
      <el-checkbox label="Promotion activities" name="type"></el-checkbox>
 | 
						|
      <el-checkbox label="Offline activities" name="type"></el-checkbox>
 | 
						|
      <el-checkbox label="Simple brand exposure" name="type"></el-checkbox>
 | 
						|
    </el-checkbox-group>
 | 
						|
  </el-form-item>
 | 
						|
  <el-form-item label="Resources" prop="resource">
 | 
						|
    <el-radio-group v-model="ruleForm.resource">
 | 
						|
      <el-radio label="Sponsorship"></el-radio>
 | 
						|
      <el-radio label="Venue"></el-radio>
 | 
						|
    </el-radio-group>
 | 
						|
  </el-form-item>
 | 
						|
  <el-form-item label="Activity form" prop="desc">
 | 
						|
    <el-input type="textarea" v-model="ruleForm.desc"></el-input>
 | 
						|
  </el-form-item>
 | 
						|
  <el-form-item>
 | 
						|
    <el-button type="primary" @click="submitForm('ruleForm')">Create</el-button>
 | 
						|
    <el-button @click="resetForm('ruleForm')">Reset</el-button>
 | 
						|
  </el-form-item>
 | 
						|
</el-form>
 | 
						|
<script>
 | 
						|
  export default {
 | 
						|
    data() {
 | 
						|
      return {
 | 
						|
        ruleForm: {
 | 
						|
          name: '',
 | 
						|
          region: '',
 | 
						|
          date1: '',
 | 
						|
          date2: '',
 | 
						|
          delivery: false,
 | 
						|
          type: [],
 | 
						|
          resource: '',
 | 
						|
          desc: ''
 | 
						|
        },
 | 
						|
        rules: {
 | 
						|
          name: [
 | 
						|
            { required: true, message: 'Please input Activity name', trigger: 'blur' },
 | 
						|
            { min: 3, max: 5, message: 'Length should be 3 to 5', trigger: 'blur' }
 | 
						|
          ],
 | 
						|
          region: [
 | 
						|
            { required: true, message: 'Please select Activity zone', trigger: 'change' }
 | 
						|
          ],
 | 
						|
          date1: [
 | 
						|
            { type: 'date', required: true, message: 'Please pick a date', trigger: 'change' }
 | 
						|
          ],
 | 
						|
          date2: [
 | 
						|
            { type: 'date', required: true, message: 'Please pick a time', trigger: 'change' }
 | 
						|
          ],
 | 
						|
          type: [
 | 
						|
            { type: 'array', required: true, message: 'Please select at least one activity type', trigger: 'change' }
 | 
						|
          ],
 | 
						|
          resource: [
 | 
						|
            { required: true, message: 'Please select activity resource', trigger: 'change' }
 | 
						|
          ],
 | 
						|
          desc: [
 | 
						|
            { required: true, message: 'Please input activity form', trigger: 'blur' }
 | 
						|
          ]
 | 
						|
        }
 | 
						|
      };
 | 
						|
    },
 | 
						|
    methods: {
 | 
						|
      submitForm(formName) {
 | 
						|
        this.$refs[formName].validate((valid) => {
 | 
						|
          if (valid) {
 | 
						|
            alert('submit!');
 | 
						|
          } else {
 | 
						|
            console.log('error submit!!');
 | 
						|
            return false;
 | 
						|
          }
 | 
						|
        });
 | 
						|
      },
 | 
						|
      resetForm(formName) {
 | 
						|
        this.$refs[formName].resetFields();
 | 
						|
      }
 | 
						|
    }
 | 
						|
  }
 | 
						|
</script>
 | 
						|
```
 | 
						|
:::
 | 
						|
 | 
						|
### Reglas personalizadas de validación
 | 
						|
 | 
						|
Este ejemplo muestra cómo personalizar sus propias reglas de validación para finalizar una verificación de contraseña de dos pasos.
 | 
						|
 | 
						|
:::demo Aquí utilizamos el `status-icon` para reflejar el resultado de la validación como un icono.
 | 
						|
 | 
						|
```html
 | 
						|
<el-form :model="ruleForm2" status-icon :rules="rules2" ref="ruleForm2" label-width="120px" class="demo-ruleForm">
 | 
						|
  <el-form-item label="Password" prop="pass">
 | 
						|
    <el-input type="password" v-model="ruleForm2.pass" auto-complete="off"></el-input>
 | 
						|
  </el-form-item>
 | 
						|
  <el-form-item label="Confirm" prop="checkPass">
 | 
						|
    <el-input type="password" v-model="ruleForm2.checkPass" auto-complete="off"></el-input>
 | 
						|
  </el-form-item>
 | 
						|
  <el-form-item label="Age" prop="age">
 | 
						|
    <el-input v-model.number="ruleForm2.age"></el-input>
 | 
						|
  </el-form-item>
 | 
						|
  <el-form-item>
 | 
						|
    <el-button type="primary" @click="submitForm('ruleForm2')">Submit</el-button>
 | 
						|
    <el-button @click="resetForm('ruleForm2')">Reset</el-button>
 | 
						|
  </el-form-item>
 | 
						|
</el-form>
 | 
						|
<script>
 | 
						|
  export default {
 | 
						|
    data() {
 | 
						|
      var checkAge = (rule, value, callback) => {
 | 
						|
        if (!value) {
 | 
						|
          return callback(new Error('Please input the age'));
 | 
						|
        }
 | 
						|
        setTimeout(() => {
 | 
						|
          if (!Number.isInteger(value)) {
 | 
						|
            callback(new Error('Please input digits'));
 | 
						|
          } else {
 | 
						|
            if (value < 18) {
 | 
						|
              callback(new Error('Age must be greater than 18'));
 | 
						|
            } else {
 | 
						|
              callback();
 | 
						|
            }
 | 
						|
          }
 | 
						|
        }, 1000);
 | 
						|
      };
 | 
						|
      var validatePass = (rule, value, callback) => {
 | 
						|
        if (value === '') {
 | 
						|
          callback(new Error('Please input the password'));
 | 
						|
        } else {
 | 
						|
          if (this.ruleForm2.checkPass !== '') {
 | 
						|
            this.$refs.ruleForm2.validateField('checkPass');
 | 
						|
          }
 | 
						|
          callback();
 | 
						|
        }
 | 
						|
      };
 | 
						|
      var validatePass2 = (rule, value, callback) => {
 | 
						|
        if (value === '') {
 | 
						|
          callback(new Error('Please input the password again'));
 | 
						|
        } else if (value !== this.ruleForm2.pass) {
 | 
						|
          callback(new Error('Two inputs don\'t match!'));
 | 
						|
        } else {
 | 
						|
          callback();
 | 
						|
        }
 | 
						|
      };
 | 
						|
      return {
 | 
						|
        ruleForm2: {
 | 
						|
          pass: '',
 | 
						|
          checkPass: '',
 | 
						|
          age: ''
 | 
						|
        },
 | 
						|
        rules2: {
 | 
						|
          pass: [
 | 
						|
            { validator: validatePass, trigger: 'blur' }
 | 
						|
          ],
 | 
						|
          checkPass: [
 | 
						|
            { validator: validatePass2, trigger: 'blur' }
 | 
						|
          ],
 | 
						|
          age: [
 | 
						|
            { validator: checkAge, trigger: 'blur' }
 | 
						|
          ]
 | 
						|
        }
 | 
						|
      };
 | 
						|
    },
 | 
						|
    methods: {
 | 
						|
      submitForm(formName) {
 | 
						|
        this.$refs[formName].validate((valid) => {
 | 
						|
          if (valid) {
 | 
						|
            alert('submit!');
 | 
						|
          } else {
 | 
						|
            console.log('error submit!!');
 | 
						|
            return false;
 | 
						|
          }
 | 
						|
        });
 | 
						|
      },
 | 
						|
      resetForm(formName) {
 | 
						|
        this.$refs[formName].resetFields();
 | 
						|
      }
 | 
						|
    }
 | 
						|
  }
 | 
						|
</script>
 | 
						|
```
 | 
						|
:::
 | 
						|
 | 
						|
### Eliminar o agregar validaciones dinamicamente 
 | 
						|
 | 
						|
:::demo Además de pasar todas las reglas de validación al mismo tiempo en el componente `form`, también puede pasar las reglas de validación o borrar reglas en un único campo de formulario de forma dinámica.
 | 
						|
 | 
						|
```html
 | 
						|
<el-form :model="dynamicValidateForm" ref="dynamicValidateForm" label-width="120px" class="demo-dynamic">
 | 
						|
  <el-form-item
 | 
						|
    prop="email"
 | 
						|
    label="Email"
 | 
						|
    :rules="[
 | 
						|
      { required: true, message: 'Please input email address', trigger: 'blur' },
 | 
						|
      { type: 'email', message: 'Please input correct email address', trigger: 'blur,change' }
 | 
						|
    ]"
 | 
						|
  >
 | 
						|
    <el-input v-model="dynamicValidateForm.email"></el-input>
 | 
						|
  </el-form-item>
 | 
						|
  <el-form-item
 | 
						|
    v-for="(domain, index) in dynamicValidateForm.domains"
 | 
						|
    :label="'Domain' + index"
 | 
						|
    :key="domain.key"
 | 
						|
    :prop="'domains.' + index + '.value'"
 | 
						|
    :rules="{
 | 
						|
      required: true, message: 'domain can not be null', trigger: 'blur'
 | 
						|
    }"
 | 
						|
  >
 | 
						|
    <el-input v-model="domain.value"></el-input><el-button @click.prevent="removeDomain(domain)">Delete</el-button>
 | 
						|
  </el-form-item>
 | 
						|
  <el-form-item>
 | 
						|
    <el-button type="primary" @click="submitForm('dynamicValidateForm')">Submit</el-button>
 | 
						|
    <el-button @click="addDomain">New domain</el-button>
 | 
						|
    <el-button @click="resetForm('dynamicValidateForm')">Reset</el-button>
 | 
						|
  </el-form-item>
 | 
						|
</el-form>
 | 
						|
<script>
 | 
						|
  export default {
 | 
						|
    data() {
 | 
						|
      return {
 | 
						|
        dynamicValidateForm: {
 | 
						|
          domains: [{
 | 
						|
            key: 1,
 | 
						|
            value: ''
 | 
						|
          }],
 | 
						|
          email: ''
 | 
						|
        }
 | 
						|
      };
 | 
						|
    },
 | 
						|
    methods: {
 | 
						|
      submitForm(formName) {
 | 
						|
        this.$refs[formName].validate((valid) => {
 | 
						|
          if (valid) {
 | 
						|
            alert('submit!');
 | 
						|
          } else {
 | 
						|
            console.log('error submit!!');
 | 
						|
            return false;
 | 
						|
          }
 | 
						|
        });
 | 
						|
      },
 | 
						|
      resetForm(formName) {
 | 
						|
        this.$refs[formName].resetFields();
 | 
						|
      },
 | 
						|
      removeDomain(item) {
 | 
						|
        var index = this.dynamicValidateForm.domains.indexOf(item);
 | 
						|
        if (index !== -1) {
 | 
						|
          this.dynamicValidateForm.domains.splice(index, 1);
 | 
						|
        }
 | 
						|
      },
 | 
						|
      addDomain() {
 | 
						|
        this.dynamicValidateForm.domains.push({
 | 
						|
          key: Date.now(),
 | 
						|
          value: ''
 | 
						|
        });
 | 
						|
      }
 | 
						|
    }
 | 
						|
  }
 | 
						|
</script>
 | 
						|
```
 | 
						|
:::
 | 
						|
 | 
						|
### Validación numerica
 | 
						|
 | 
						|
:::demo La validacion numerica necesita un modificador `.number` añadido en el enlace `v-model` de entrada, sirve para transformar el valor de la cadena al número proporcionado por Vuejs.
 | 
						|
 | 
						|
```html
 | 
						|
<el-form :model="numberValidateForm" ref="numberValidateForm" label-width="100px" class="demo-ruleForm">
 | 
						|
  <el-form-item
 | 
						|
    label="age"
 | 
						|
    prop="age"
 | 
						|
    :rules="[
 | 
						|
      { required: true, message: 'age is required'},
 | 
						|
      { type: 'number', message: 'age must be a number'}
 | 
						|
    ]"
 | 
						|
  >
 | 
						|
    <el-input type="age" v-model.number="numberValidateForm.age" auto-complete="off"></el-input>
 | 
						|
  </el-form-item>
 | 
						|
  <el-form-item>
 | 
						|
    <el-button type="primary" @click="submitForm('numberValidateForm')">Submit</el-button>
 | 
						|
    <el-button @click="resetForm('numberValidateForm')">Reset</el-button>
 | 
						|
  </el-form-item>
 | 
						|
</el-form>
 | 
						|
<script>
 | 
						|
  export default {
 | 
						|
    data() {
 | 
						|
      return {
 | 
						|
        numberValidateForm: {
 | 
						|
          age: ''
 | 
						|
        }
 | 
						|
      };
 | 
						|
    },
 | 
						|
    methods: {
 | 
						|
      submitForm(formName) {
 | 
						|
        this.$refs[formName].validate((valid) => {
 | 
						|
          if (valid) {
 | 
						|
            alert('submit!');
 | 
						|
          } else {
 | 
						|
            console.log('error submit!!');
 | 
						|
            return false;
 | 
						|
          }
 | 
						|
        });
 | 
						|
      },
 | 
						|
      resetForm(formName) {
 | 
						|
        this.$refs[formName].resetFields();
 | 
						|
      }
 | 
						|
    }
 | 
						|
  }
 | 
						|
</script>
 | 
						|
```
 | 
						|
:::
 | 
						|
 | 
						|
:::tip
 | 
						|
 | 
						|
Cuando un `el-form-item` está anidado en otro `el-form-item`, su ancho de etiqueta será 0. Si es necesario, puede establecer el ancho de etiqueta en ese `el-form-item`.
 | 
						|
 | 
						|
:::
 | 
						|
 | 
						|
### Tamaño del control
 | 
						|
 | 
						|
Todos los componentes de un formulario heredan su atributo `size`. De manera similar, FormItem también tiene un atributo `size`.
 | 
						|
 | 
						|
:::demo Aún así, puede ajustar el `size` de cada componente si no desea que herede su tamaño de From o FormItem.
 | 
						|
 | 
						|
```html
 | 
						|
<el-form ref="form" :model="sizeForm" label-width="120px" size="mini">
 | 
						|
  <el-form-item label="Activity name">
 | 
						|
    <el-input v-model="sizeForm.name"></el-input>
 | 
						|
  </el-form-item>
 | 
						|
  <el-form-item label="Activity zone">
 | 
						|
    <el-select v-model="sizeForm.region" placeholder="please select your zone">
 | 
						|
      <el-option label="Zone one" value="shanghai"></el-option>
 | 
						|
      <el-option label="Zone two" value="beijing"></el-option>
 | 
						|
    </el-select>
 | 
						|
  </el-form-item>
 | 
						|
  <el-form-item label="Activity time">
 | 
						|
    <el-col :span="11">
 | 
						|
      <el-date-picker type="date" placeholder="Pick a date" v-model="sizeForm.date1" style="width: 100%;"></el-date-picker>
 | 
						|
    </el-col>
 | 
						|
    <el-col class="line" :span="2">-</el-col>
 | 
						|
    <el-col :span="11">
 | 
						|
      <el-time-picker type="fixed-time" placeholder="Pick a time" v-model="sizeForm.date2" style="width: 100%;"></el-time-picker>
 | 
						|
    </el-col>
 | 
						|
  </el-form-item>
 | 
						|
  <el-form-item label="Activity type">
 | 
						|
    <el-checkbox-group v-model="sizeForm.type">
 | 
						|
      <el-checkbox-button label="Online activities" name="type"></el-checkbox-button>
 | 
						|
      <el-checkbox-button label="Promotion activities" name="type"></el-checkbox-button>
 | 
						|
    </el-checkbox-group>
 | 
						|
  </el-form-item>
 | 
						|
  <el-form-item label="Resources">
 | 
						|
    <el-radio-group v-model="sizeForm.resource" size="medium">
 | 
						|
      <el-radio border label="Sponsor"></el-radio>
 | 
						|
      <el-radio border label="Venue"></el-radio>
 | 
						|
    </el-radio-group>
 | 
						|
  </el-form-item>
 | 
						|
  <el-form-item size="large">
 | 
						|
    <el-button type="primary" @click="onSubmit">Create</el-button>
 | 
						|
    <el-button>Cancel</el-button>
 | 
						|
  </el-form-item>
 | 
						|
</el-form>
 | 
						|
 | 
						|
<script>
 | 
						|
  export default {
 | 
						|
    data() {
 | 
						|
      return {
 | 
						|
        sizeForm: {
 | 
						|
          name: '',
 | 
						|
          region: '',
 | 
						|
          date1: '',
 | 
						|
          date2: '',
 | 
						|
          delivery: false,
 | 
						|
          type: [],
 | 
						|
          resource: '',
 | 
						|
          desc: ''
 | 
						|
        }
 | 
						|
      };
 | 
						|
    },
 | 
						|
    methods: {
 | 
						|
      onSubmit() {
 | 
						|
        console.log('submit!');
 | 
						|
      }
 | 
						|
    }
 | 
						|
  };
 | 
						|
</script>
 | 
						|
```
 | 
						|
:::
 | 
						|
 | 
						|
### Form Atributos
 | 
						|
 | 
						|
| Atributo                | Descripción                              | Tipo    | Valores aceptados     | Por defecto |
 | 
						|
| ----------------------- | ---------------------------------------- | ------- | --------------------- | ----------- |
 | 
						|
| model                   | Datos del componente                     | object  | —                     | —           |
 | 
						|
| rules                   | Reglas de validación                     | object  | —                     | —           |
 | 
						|
| inline                  | Si el form es inline                     | boolean | —                     | false       |
 | 
						|
| label-position          | Posicion de la etiqueta                  | string  | left / right / top    | right       |
 | 
						|
| label-width             | ancho de la etiqueta, y todos los form items directos descendientes heredarán este valor | string  | —                     | —           |
 | 
						|
| label-suffix            | sufijo de la etiqueta                    | string  | —                     | —           |
 | 
						|
| show-message            | si mostrar o no el mensaje de error      | boolean | —                     | true        |
 | 
						|
| inline-message          | si desea visualizar el mensaje de error inline con la posición del form item | boolean | —                     | false       |
 | 
						|
| status-icon             | si desea visualizar un icono que indique el resultado de la validación | boolean | —                     | false       |
 | 
						|
| validate-on-rule-change | si se dispara la validacion cuando el prop `rules` cambia | boolean | —                     | true        |
 | 
						|
| size                    | el tamaño de los componentes en este form | string  | medium / small / mini | —           |
 | 
						|
| disabled                | si se desactivan todos los componentes del formulario. Si esta en `true` no puede ser cambiado por el prop `disabled` individual de los componentes. | boolean | —                     | false       |
 | 
						|
 | 
						|
### Form Metodos
 | 
						|
 | 
						|
| Metodo        | Descripción                              | Parametros                               |
 | 
						|
| ------------- | ---------------------------------------- | ---------------------------------------- |
 | 
						|
| validate      | el método para validar todo el formulario. Devuelve una promesa si se omite el return | Function(callback: Function(boolean))    |
 | 
						|
| validateField | el método para validar un determinado form item | Function(prop: string, callback: Function(errorMessage: string)) |
 | 
						|
| resetFields   | restablece todos los campos y elimina el resultado de validación | —                                        |
 | 
						|
| clearValidate | limpia mensaje de validación para todos los campos | -
 | 
						|
 | 
						|
### Form-Item Atributos
 | 
						|
 | 
						|
| Atributo       | Descripción                              | Tipo    | Valores aceptados                   | Por defecto |
 | 
						|
| -------------- | ---------------------------------------- | ------- | ----------------------------------- | ----------- |
 | 
						|
| prop           | un key de `model`. En el uso del método validate and resetFields, el atributo es obligatorio. | string  | keys of model that passed to `form` |             |
 | 
						|
| label          | etiqueta                                 | string  | —                                   | —           |
 | 
						|
| label-width    | ancho de la etiqueta, e.g. '50px'        | string  | —                                   | —           |
 | 
						|
| required       | si el campo es obligatorio o no, estará determinado por las reglas de validación si se omite. | string  | —                                   | false       |
 | 
						|
| rules          | reglas de validacion del form            | object  | —                                   | —           |
 | 
						|
| error          | mensaje de error de campo, establezca su valor y el campo validará el error y mostrará este mensaje inmediatamente. | string  | —                                   | —           |
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| show-message   | si mostrar o no el mensaje de error      | boolean | —                                   | true        |
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| inline-message | mensaje de validación estilo inline      | boolean | —                                   | false       |
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| size           | Tamaño de los componentes en este form item | string  | medium / small / mini               | -           |
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### Form-Item Slot
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| Nombre | Descripción              |
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| ------ | ------------------------ |
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| —      | contenido del Form Item  |
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| label  | contenido de la etiqueta |
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### Form-Item Metodo
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| Metodo     | Descripción                              | Parametros |
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| ---------- | ---------------------------------------- | ---------- |
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| resetField | restablecer campo actual y eliminar resultado de validación | —          |
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