antd+vue实现动态验证循环属性表单的思路

希望实现查询表单的某些属性可以循环验证必填项：

需求：

1.名称，对比项，备注必填，默认为一行，可增加多行

2.根据名称，动态请求对比项列表，名称变化时，清空该行当前选择的对比项

思路：将整个搜索分成了两个表单，分别去做验证。一个是可动态添加的循环表单form，另一个为普通表单dateForm

html

			<a-form :form="form" @keyup.enter.native='searchQuery'>
				<div class="dynamic-wrap">
					<div v-for="(item,index) in formList" :key="index">
						<a-row :gutter="24">
							<a-col :span="6">
								<a-form-item label="名称" :labelCol="{span: 7}" :wrapperCol="{span: 17}">
									<a-select placeholder='请选择名称'
									          v-decorator="[`equipment[${index}]`,{ initialValue: formList[index] ? formList[index].equipment : '', rules: [{ required: true, message: '请选择设备!' }]}]"
									          @change="(e)=>equipChange(e,index)">
										<a-select-option v-for='options in formList[index].eqpList' :key='options.name' :value='options.name'>
											{{ options.name }}
										</a-select-option>
									</a-select>
								</a-form-item>
							</a-col>
							<a-col :span="6">
								<a-form-item label="对比项" :labelCol="{span: 7}" :wrapperCol="{span: 17}">
									<a-select
										placeholder="请选择对比项"
										v-decorator="[`dataCode[${index}]`,{initialValue: formList[index] ? formList[index].dataCode : '',rules: [{ required: true, message: '请选择对比项!' }]}]">
										<a-select-option v-for='option in formList[index].dataTypeList' :key='option.name' :value='option.name'>
											{{ option.name }}
										</a-select-option>
									</a-select>
								</a-form-item>
							</a-col>
							<a-col :span="6">
								<a-form-item label="备注" :labelCol="{span: 6}" :wrapperCol="{span: 18}">
									<a-input v-decorator="[`remark[${index}]`]" placeholder="请输入备注"></a-input>
								</a-form-item>
							</a-col>
							<a-col :span="2" style="padding-left: 0px">
								<a-form-item :labelCol="{span: 0}" :wrapperCol="{span: 24}">
									<template v-if="formList.length > 1">
										<a-icon type="delete" @click="removeRow(index)"/>
									</template>
								</a-form-item>
							</a-col>
						</a-row>
					</div>
				</div>
			</a-form>

			<a-form :form="dateForm" inline @keyup.enter.native='searchQuery'>
				<a-form-item label='查询日期' :labelCol="{span: 8}" :wrapperCol="{span: 16}"
				             style="display: inline-block;width: 300px;">
					<a-date-picker
						style="width: 200px;"
						class='query-group-cust'
						v-decorator="['startTime', { rules: [{ required: true, message: '请选择开始时间!' }] }]"
						:disabled-date='disabledStartDate'
						format='YYYY-MM-DD'
						placeholder='请选择开始时间'
						@change='handleStart($event)'
						@openChange='handleStartOpenChange'></a-date-picker>
				</a-form-item>
				<span :style="{ display: 'inline-block', width: '24px', textAlign: 'center' }">-</span>
				<a-form-item style="display: inline-block;width: 200px;">
					<a-date-picker
						style="width: 200px;"
						class='query-group-cust'
						v-decorator="['endTime', { rules: [{ required: true, message: '请选择结束时间!' }] }]"
						:disabled-date='disabledEndDate'
						format='YYYY-MM-DD'
						placeholder='请选择结束时间'
						@change='handleEnd($event)'
						:open='endOpen'
						@openChange='handleEndOpenChange'></a-date-picker>
				</a-form-item>
				<span style="margin-left: 10px">
				        <a-button type='primary' :disabled='loading' @click='searchQuery' icon='search'>查询</a-button>
				        <a-button type='primary' @click='searchReset' icon='search' style='margin-left:10px'>重置</a-button>
				        <a-button type="primary" icon="plus" @click="addRow" style='margin-left:10px'>新增查询条件</a-button>
			        </span>
			</a-form>
			<p>查询条件为：{{searchData}}</p>

js

initForm() {
				// 首先请求设备列表，存放在eqpList中
				// 初始化form表单
				this.formList.push({
					equipment: '',
					dataCode: '',
					remark: '',
					eqpList: this.eqpList,
					dataTypeList: []
				})
			},
			// 删除一行
			handleRemove(index) {
				if (this.formList.length === 1) {
					return
				}
				this.formList.splice(index, 1)
			},
			// 新增一行
			handleAdd() {
				this.formList.push({
					equipment: '',
					dataCode: '',
					remark: '',
					eqpList: this.eqpList, // 可以根据接口动态获取，这里便于演示，直接赋值了
					dataTypeList: [],// 可以根据接口动态获取并根据设备去关联
				})
			},
			equipChange(value, index) {
				// change赋值
				this.formList[index].equipment = value;
				//同步更新 当前选择的设备对应的对比项列表
				this.handleEqpIdentity(value, index)
			},
			// 根据设备查询对应的对比项列表
			handleEqpIdentity(value, index) {
				this.dataTypeList = []; //清空dataTypeList
				this.formList[index].dataTypeList = []; // 清空当前行的 dataTypeList
				//根据新的设备名称 获取对应的对比项列表
				getAction(this.url.getDataTypeList, {equipment: value})
					.then((res) => {
						if (res.success) {
							this.dataTypeList = res.result;
							this.formList[index].dataTypeList = this.dataTypeList;
							// this.formList[index].dataCode = ''; 直接赋值为空 是无效的
							//需使用 getFieldValue， setFieldsValue
							let dataCode1Arr = this.form.getFieldValue('dataCode');
							if (dataCode1Arr.length !== 0) {
								dataCode1Arr[index] = ''
							}
							this.form.setFieldsValue({dataCode: dataCode1Arr})
						} else {
							this.$message.warning(res.message)
						}
					})
					.catch(() => {
						this.$message.error('获取失败，请重试！')
					})
			},
// 点击查询
			searchQuery() {
				// 先验证循环表单
				const {form: {validateFields}} = this
				validateFields((error, values) => {
					if (!error) {
						this.dateForm.validateFields((dateErr, dateValues) => {
							//再验证日期搜索表单
							dateValues.startTime = moment(dateValues.startTime).format('YYYY-MM-DD')
							dateValues.endTime = moment(dateValues.endTime).format('YYYY-MM-DD')
							if (!dateErr) {
								this.loading = true;
								let formData = Object.assign({}, dateValues);
								//整理成后台所需的数据结构
								// 循环表单
								let searchArr = [];
								(values[`equipment`]).forEach((item, index) => {
									const obj = {
										equipment: item,
										remark: values[`remark`][index],
										dataCode: values[`dataCode`][index]
									}
									searchArr.push(obj);

								})
								// 日期表单
								if (!dateValues.startTime) {
									formData.startTime = moment(new Date()).format('YYYY-MM-DD')
								}
								formData.eqpInfoParamVoList = searchArr;
								this.searchData = JSON.parse(formData)
							  //	请求接口
							}
						})
					}
				})
			},

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