mirror of https://github.com/ElemeFE/element
814 lines
23 KiB
Markdown
814 lines
23 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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var age = parseInt(value, 10);
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setTimeout(() => {
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if (!Number.isInteger(age)) {
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callback(new Error('请输入数字值'));
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} else{
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if (age < 18) {
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callback(new Error('必须年满18岁'));
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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 validaePass = (rule, value, callback) => {
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if (value === '') {
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callback(new Error('请输入密码'));
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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 validaePass2 = (rule, value, callback) => {
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if (value === '') {
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callback(new Error('请再次输入密码'));
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} else if (value !== this.ruleForm2.pass) {
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callback(new Error('两次输入密码不一致!'));
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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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formInline: {
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user: '',
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region: ''
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},
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formStacked: {
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name: '',
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region: '',
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type: '',
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remark: ''
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},
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formAlignRight: {
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name: '',
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region: '',
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type: ''
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},
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formAlignLeft: {
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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: '请输入活动名称', trigger: 'blur' }
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],
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region: [
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{ required: true, message: '请选择活动区域', trigger: 'change' }
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],
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date1: [
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{ type: 'date', required: true, message: '请选择日期', trigger: 'change' }
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],
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date2: [
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{ type: 'date', required: true, message: '请选择时间', trigger: 'change' }
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],
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type: [
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{ type: 'array', required: true, message: '请至少选择一个活动性质', trigger: 'change' }
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],
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resource: [
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{ required: true, message: '请选择活动资源', trigger: 'change' }
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],
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desc: [
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{ required: true, message: '请填写活动形式', trigger: 'blur' }
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]
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},
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rules2: {
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pass: [
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{ required: true, message: '请输入密码', trigger: 'blur' },
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{ validator: validaePass }
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],
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checkPass: [
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{ required: true, message: '请再次输入密码', trigger: 'blur' },
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{ validator: validaePass2 }
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],
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age: [
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{ required: true, message: '请填写年龄', trigger: 'blur' },
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{ validator: checkAge, trigger: 'change' }
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]
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},
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dynamicForm: {
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domains: [{
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key: 1,
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value: ''
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}],
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email: ''
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},
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dynamicRule: {
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email: [
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{ required: true, message: '请输入邮箱地址', trigger: 'blur' },
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{ type: 'email', message: '请输入正确的邮箱地址', trigger: 'blur,change' }
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]
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}
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};
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},
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methods: {
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handleSubmit(ev) {
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this.$refs.ruleForm.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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handleSubmit2(ev) {
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this.$refs.ruleForm2.validate(valid => {
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if (valid) {
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alert('申请已提交');
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} else {
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console.log('error submit!!');
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return false;
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}
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});
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},
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handleSubmit3(ev) {
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this.$refs.dynamicForm.validate(valid => {
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if (valid) {
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alert('申请已提交');
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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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handleReset() {
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this.$refs.ruleForm.resetFields();
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},
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handleReset2() {
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this.$refs.ruleForm2.resetFields();
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},
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handleValidate(prop, errorMsg) {
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console.log(prop, errorMsg);
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},
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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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removeDomain(item) {
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var index = this.dynamicForm.domains.indexOf(item)
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if (index !== -1) {
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this.dynamicForm.domains.splice(index, 1)
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}
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},
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addDomain() {
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this.dynamicForm.domains.push({
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key: this.dynamicForm.domains.length,
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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 {
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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: 440px;
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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: 440px;
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}
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.demo-form-inline {
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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-form-stacked {
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width: 270px;
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.el-select .el-input {
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width: 100%;
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}
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}
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.demo-ruleForm {
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width: 460px;
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.el-input,
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.el-textarea {
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width: auto;
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}
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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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.el-input {
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display: inline-block;
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margin-right: 10px;
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width: 270px;
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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 表单
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由输入框、选择器、单选框、多选框等控件组成，用以收集、校验、提交数据
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### 典型表单
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包括各种表单项，比如输入框、选择器、开关、单选框、多选框等。
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::: demo 在 Form 组件中，每一个表单域由一个 Form-Item 组件构成，表单域中可以放置各种类型的表单控件，包括 Input、Select、Checkbox、Radio、Switch、DatePicker、TimePicker
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```html
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<el-form ref="form" :model="form" label-width="80px" @submit.prevent="onSubmit">
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<el-form-item label="活动名称">
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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="活动区域">
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<el-select v-model="form.region" placeholder="请选择活动区域">
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<el-option label="区域一" value="shanghai"></el-option>
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<el-option label="区域二" 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="活动时间">
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<el-col :span="11">
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<el-date-picker type="date" placeholder="选择日期" 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="选择时间" 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="即时配送">
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<el-switch on-text="" off-text="" v-model="form.delivery"></el-switch>
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</el-form-item>
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<el-form-item label="活动性质">
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<el-checkbox-group v-model="form.type">
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<el-checkbox label="美食/餐厅线上活动" name="type"></el-checkbox>
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<el-checkbox label="地推活动" name="type"></el-checkbox>
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<el-checkbox label="线下主题活动" name="type"></el-checkbox>
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<el-checkbox label="单纯品牌曝光" 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="特殊资源">
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<el-radio-group v-model="form.resource">
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<el-radio label="线上品牌商赞助"></el-radio>
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<el-radio label="线下场地免费"></el-radio>
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</el-radio-group>
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</el-form-item>
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<el-form-item label="活动形式">
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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">立即创建</el-button>
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<el-button @click.native.prevent>取消</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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### 行内表单
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当垂直方向空间受限且表单较简单时，可以在一行内放置表单。
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::: demo Form 组件的 `type` 属性可以控制表单的类型，当设为 `inline` 时可以让表单域变为行内的表单域
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```html
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<el-form :inline="true" :model="formInline" @submit.prevent="onSubmit" class="demo-form-inline">
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<el-form-item>
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<el-input v-model="formInline.user" placeholder="审批人"></el-input>
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</el-form-item><el-form-item>
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<el-select v-model="formInline.region" placeholder="活动区域">
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<el-option label="区域一" value="shanghai"></el-option>
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<el-option label="区域二" value="beijing"></el-option>
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</el-select>
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</el-form-item><el-form-item>
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<el-button type="primary">查询</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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### 对齐方式
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根据具体目标和制约因素，选择最佳的标签对齐方式。
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顶部对齐
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::: demo 通过设置 `label-position` 属性可以改变表单域标签的位置，可选值为 `top`、`left`，当设为 `top` 时标签会置于表单域的顶部
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```html
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<el-form label-position="top" :model="formStacked" class="demo-form-stacked">
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<el-form-item label="名称">
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<el-input v-model="formStacked.name"></el-input>
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</el-form-item>
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<el-form-item label="活动区域">
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<el-input v-model="formStacked.region"></el-input>
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</el-form-item>
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<el-form-item label="活动展开形式">
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<el-input v-model="formStacked.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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formStacked: {
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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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右对齐
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::: demo 通过设置 `label-position` 属性可以改变表单域标签的位置，默认不设置的情况下标签是右对齐的
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```html
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<el-form :model="formAlignRight" label-width="80px">
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<el-form-item label="活动名称">
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<el-input v-model="formAlignRight.name"></el-input>
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</el-form-item>
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<el-form-item label="推广地">
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<el-input v-model="formAlignRight.region"></el-input>
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</el-form-item>
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<el-form-item label="活动形式">
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<el-input v-model="formAlignRight.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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formAlignRight: {
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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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左对齐
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::: demo 通过设置 `label-position` 属性可以改变表单域标签的位置，可选值为 `top`、`left`，当设为 `left` 时标签会变为左对齐
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```html
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<el-form :model="formAlignLeft" label-position="left" @submit.prevent="onSubmit" label-width="80px">
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<el-form-item label="活动名称">
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<el-input v-model="formAlignLeft.name"></el-input>
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</el-form-item>
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<el-form-item label="推广地">
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<el-input v-model="formAlignLeft.region"></el-input>
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</el-form-item>
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<el-form-item label="活动形式">
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<el-input v-model="formAlignLeft.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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formAlignLeft: {
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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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### 表单验证
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在防止用户犯错的前提下，尽可能让用户更早地发现并纠正错误。
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::: demo Form 组件提供了表单验证的功能，只需要通过 `rule` 属性传入约定的验证规则，并 Form-Item 的 `prop` 属相设置为需校验的字段名即可。校验规则参见 [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="100px" class="demo-ruleForm">
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<el-form-item label="活动名称" 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="活动区域" prop="region">
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<el-select v-model="ruleForm.region" placeholder="请选择活动区域">
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<el-option label="区域一" value="shanghai"></el-option>
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<el-option label="区域二" 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="活动时间">
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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="选择日期" 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="选择时间" v-model="ruleForm.date2" style="width: 100%;"></el-time-picker>
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</el-form-item>
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|
</el-col>
|
|
</el-form-item>
|
|
<el-form-item label="即时配送">
|
|
<el-switch on-text="" off-text="" v-model="ruleForm.delivery"></el-switch>
|
|
</el-form-item>
|
|
<el-form-item label="活动性质" prop="type">
|
|
<el-checkbox-group v-model="ruleForm.type">
|
|
<el-checkbox label="美食/餐厅线上活动" name="type"></el-checkbox>
|
|
<el-checkbox label="地推活动" name="type"></el-checkbox>
|
|
<el-checkbox label="线下主题活动" name="type"></el-checkbox>
|
|
<el-checkbox label="单纯品牌曝光" name="type"></el-checkbox>
|
|
</el-checkbox-group>
|
|
</el-form-item>
|
|
<el-form-item label="特殊资源" prop="resource">
|
|
<el-radio-group v-model="ruleForm.resource">
|
|
<el-radio label="线上品牌商赞助"></el-radio>
|
|
<el-radio label="线下场地免费"></el-radio>
|
|
</el-radio-group>
|
|
</el-form-item>
|
|
<el-form-item label="活动形式" prop="desc">
|
|
<el-input type="textarea" v-model="ruleForm.desc"></el-input>
|
|
</el-form-item>
|
|
<el-form-item>
|
|
<el-button type="primary" @click.native.prevent="handleSubmit">立即创建</el-button>
|
|
<el-button @click.native.prevent="handleReset">重置</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: '请输入活动名称', trigger: 'blur' }
|
|
],
|
|
region: [
|
|
{ required: true, message: '请选择活动区域', trigger: 'change' }
|
|
],
|
|
date1: [
|
|
{ type: 'date', required: true, message: '请选择日期', trigger: 'change' }
|
|
],
|
|
date2: [
|
|
{ type: 'date', required: true, message: '请选择时间', trigger: 'change' }
|
|
],
|
|
type: [
|
|
{ type: 'array', required: true, message: '请至少选择一个活动性质', trigger: 'change' }
|
|
],
|
|
resource: [
|
|
{ required: true, message: '请选择活动资源', trigger: 'change' }
|
|
],
|
|
desc: [
|
|
{ required: true, message: '请填写活动形式', trigger: 'blur' }
|
|
]
|
|
}
|
|
};
|
|
},
|
|
methods: {
|
|
handleReset() {
|
|
this.$refs.ruleForm.resetFields();
|
|
},
|
|
handleSubmit(ev) {
|
|
this.$refs.ruleForm.validate((valid) => {
|
|
if (valid) {
|
|
alert('submit!');
|
|
} else {
|
|
console.log('error submit!!');
|
|
return false;
|
|
}
|
|
});
|
|
}
|
|
}
|
|
}
|
|
</script>
|
|
```
|
|
:::
|
|
|
|
### 自定义校验规则
|
|
|
|
::: demo 这个例子中展示了如何使用自定义验证规则来完成密码的二次验证
|
|
```html
|
|
<el-form :model="ruleForm2" :rules="rules2" ref="ruleForm2" label-width="100px" class="demo-ruleForm">
|
|
<el-form-item label="密码" prop="pass">
|
|
<el-input type="password" v-model="ruleForm2.pass" auto-complete="off"></el-input>
|
|
</el-form-item>
|
|
<el-form-item label="确认密码" prop="checkPass">
|
|
<el-input type="password" v-model="ruleForm2.checkPass" auto-complete="off"></el-input>
|
|
</el-form-item>
|
|
<el-form-item label="年龄" prop="age">
|
|
<el-input v-model="ruleForm2.age"></el-input>
|
|
</el-form-item>
|
|
<el-form-item>
|
|
<el-button type="primary" @click.native.prevent="handleSubmit2">提交</el-button>
|
|
<el-button @click.native.prevent="handleReset2">重置</el-button>
|
|
</el-form-item>
|
|
</el-form>
|
|
<script>
|
|
export default {
|
|
data() {
|
|
var checkAge = (rule, value, callback) => {
|
|
var age = parseInt(value, 10);
|
|
|
|
setTimeout(() => {
|
|
if (!Number.isInteger(age)) {
|
|
callback(new Error('请输入数字值'));
|
|
} else{
|
|
if (age < 18) {
|
|
callback(new Error('必须年满18岁'));
|
|
} else {
|
|
callback();
|
|
}
|
|
}
|
|
}, 1000);
|
|
};
|
|
var validaePass = (rule, value, callback) => {
|
|
if (value === '') {
|
|
callback(new Error('请输入密码'));
|
|
} else {
|
|
if (this.ruleForm2.checkPass !== '') {
|
|
this.$refs.ruleForm2.validateField('checkPass');
|
|
}
|
|
callback();
|
|
}
|
|
};
|
|
var validaePass2 = (rule, value, callback) => {
|
|
if (value === '') {
|
|
callback(new Error('请再次输入密码'));
|
|
} else if (value !== this.ruleForm2.pass) {
|
|
callback(new Error('两次输入密码不一致!'));
|
|
} else {
|
|
callback();
|
|
}
|
|
};
|
|
return {
|
|
ruleForm2: {
|
|
pass: '',
|
|
checkPass: '',
|
|
age: ''
|
|
},
|
|
rules2: {
|
|
pass: [
|
|
{ required: true, message: '请输入密码', trigger: 'blur' },
|
|
{ validator: validaePass }
|
|
],
|
|
checkPass: [
|
|
{ required: true, message: '请再次输入密码', trigger: 'blur' },
|
|
{ validator: validaePass2 }
|
|
],
|
|
age: [
|
|
{ required: true, message: '请填写年龄', trigger: 'blur' },
|
|
{ validator: checkAge, trigger: 'change' }
|
|
]
|
|
}
|
|
};
|
|
},
|
|
methods: {
|
|
handleReset2() {
|
|
this.$refs.ruleForm2.resetFields();
|
|
},
|
|
handleSubmit2(ev) {
|
|
this.$refs.ruleForm2.validate((valid) => {
|
|
if (valid) {
|
|
alert('submit!');
|
|
} else {
|
|
console.log('error submit!!');
|
|
return false;
|
|
}
|
|
});
|
|
}
|
|
}
|
|
}
|
|
</script>
|
|
```
|
|
:::
|
|
|
|
### 动态增减表单项
|
|
|
|
::: demo 除了在 Form 组件上一次性传递所有的验证规则外还可以在单个的表单域上传递属性的验证规则
|
|
```html
|
|
<el-form :model="dynamicForm" :rules="dynamicRule" ref="dynamicForm" label-width="100px" class="demo-dynamic">
|
|
<el-form-item prop="email" label="邮箱">
|
|
<el-input v-model="dynamicForm.email"></el-input>
|
|
</el-form-item>
|
|
<el-form-item
|
|
v-for="(domain, index) in dynamicForm.domains"
|
|
:label="'域名' + index"
|
|
:key="domain.key"
|
|
:prop="'domains:' + index"
|
|
:rules="{
|
|
type: 'object', required: true,
|
|
fields: {
|
|
value: { required: true, message: '域名不能为空', trigger: 'blur' }
|
|
}
|
|
}"
|
|
>
|
|
<el-input v-model="domain.value"></el-input><el-button @click.native.prevent="removeDomain(domain)">删除</el-button>
|
|
</el-form-item>
|
|
<el-form-item>
|
|
<el-button type="primary" @click.native.prevent="handleSubmit3">提交</el-button>
|
|
<el-button @click.native.prevent="addDomain">新增域名</el-button>
|
|
</el-form-item>
|
|
</el-form>
|
|
<script>
|
|
export default {
|
|
data() {
|
|
return {
|
|
dynamicForm: {
|
|
domains: [{
|
|
key: 1,
|
|
value: ''
|
|
}],
|
|
email: ''
|
|
},
|
|
dynamicRule: {
|
|
email: [
|
|
{ required: true, message: '请输入邮箱地址', trigger: 'blur' },
|
|
{ type: 'email', message: '请输入正确的邮箱地址', trigger: 'blur,change' }
|
|
]
|
|
}
|
|
};
|
|
},
|
|
methods: {
|
|
handleSubmit3(ev) {
|
|
this.$refs.ruleForm.validate((valid) => {
|
|
if (valid) {
|
|
alert('submit!');
|
|
} else {
|
|
console.log('error submit!!');
|
|
return false;
|
|
}
|
|
});
|
|
},
|
|
removeDomain(item) {
|
|
var index = this.dynamicForm.domains.indexOf(item)
|
|
if (index !== -1) {
|
|
this.dynamicForm.domains.splice(index, 1)
|
|
}
|
|
},
|
|
addDomain() {
|
|
this.dynamicForm.domains.push({
|
|
key: this.dynamicForm.domains.length,
|
|
value: ''
|
|
});
|
|
}
|
|
}
|
|
}
|
|
</script>
|
|
```
|
|
:::
|
|
|
|
### Form Attributes
|
|
|
|
| 参数 | 说明 | 类型 | 可选值 | 默认值 |
|
|
|---------- |-------------- |---------- |-------------------------------- |-------- |
|
|
| model | 表单数据对象 | object | — | — |
|
|
| rules | 表单验证规则 | object | — | — |
|
|
| type | 表单类型 | string | stacked, inline, horizontal | horizontal |
|
|
| label-align | 表单域标签的水平对齐位置 | string | right,left | right |
|
|
| label-width | 表单域标签的宽度，所有的 form-item 都会继承 form 组件的 labelWidth 的值 | string | — | — |
|
|
| label-suffix | 表单域标签的后缀 | string | — | — |
|
|
|
|
### Form Methods
|
|
|
|
| 方法名 | 说明 |
|
|
|---------- |-------------- |
|
|
| validate(cb) | 对整个表单进行校验的方法 |
|
|
| validateField(prop, cb) | 对部分表单字段进行校验的方法 |
|
|
| resetFields | 对整个表单进行重置，将所有字段值重置为空并移除校验结果 |
|
|
|
|
### Form-Item Attributes
|
|
|
|
| 参数 | 说明 | 类型 | 可选值 | 默认值 |
|
|
|---------- |-------------- |---------- |-------------------------------- |-------- |
|
|
| prop | 表单域 model 字段 | string | 传入 Form 组件的 `model` 中的字段 | — |
|
|
| label | 标签文本 | string | — | — |
|
|
| label-width | 表单域标签的的宽度，例如 '50px' | string | — | — |
|
|
| required | 是否必填，如不设置，则会根据校验规则自动生成 | bolean | — | false |
|