131 lines
3.0 KiB
Markdown
131 lines
3.0 KiB
Markdown
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<cn>
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#### 动态增减表单项
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动态增加、减少表单项。
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</cn>
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<us>
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#### Dynamic Form Item
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Add or remove form items dynamically.
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</us>
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```vue
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<template>
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<a-form-model
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ref="dynamicValidateForm"
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:model="dynamicValidateForm"
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v-bind="formItemLayoutWithOutLabel"
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>
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<a-form-model-item
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v-for="(domain, index) in dynamicValidateForm.domains"
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:key="domain.key"
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v-bind="index === 0 ? formItemLayout : {}"
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:label="index === 0 ? 'Domains' : ''"
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:prop="'domains.' + index + '.value'"
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:rules="{
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required: true,
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message: 'domain can not be null',
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trigger: 'blur',
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}"
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>
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<a-input
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v-model="domain.value"
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placeholder="please input domain"
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style="width: 60%; margin-right: 8px"
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/>
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<a-icon
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v-if="dynamicValidateForm.domains.length > 1"
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class="dynamic-delete-button"
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type="minus-circle-o"
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:disabled="dynamicValidateForm.domains.length === 1"
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@click="removeDomain(domain)"
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/>
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</a-form-model-item>
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<a-form-model-item v-bind="formItemLayoutWithOutLabel">
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<a-button type="dashed" style="width: 60%" @click="addDomain">
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<a-icon type="plus" /> Add field
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</a-button>
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</a-form-model-item>
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<a-form-model-item v-bind="formItemLayoutWithOutLabel">
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<a-button type="primary" html-type="submit" @click="submitForm('dynamicValidateForm')">
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Submit
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</a-button>
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<a-button style="margin-left: 10px" @click="resetForm('dynamicValidateForm')">
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Reset
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</a-button>
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</a-form-model-item>
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</a-form-model>
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</template>
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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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formItemLayout: {
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labelCol: {
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xs: { span: 24 },
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sm: { span: 4 },
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},
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wrapperCol: {
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xs: { span: 24 },
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sm: { span: 20 },
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},
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},
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formItemLayoutWithOutLabel: {
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wrapperCol: {
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xs: { span: 24, offset: 0 },
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sm: { span: 20, offset: 4 },
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},
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},
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dynamicValidateForm: {
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domains: [],
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},
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};
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},
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methods: {
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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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let 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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value: '',
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key: Date.now(),
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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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.dynamic-delete-button {
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cursor: pointer;
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position: relative;
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top: 4px;
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font-size: 24px;
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color: #999;
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transition: all 0.3s;
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}
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.dynamic-delete-button:hover {
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color: #777;
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}
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.dynamic-delete-button[disabled] {
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cursor: not-allowed;
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opacity: 0.5;
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}
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</style>
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```
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