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($event)'
:open='endOpen'
@openChange='handleEndOpenChange'></a-date-picker>
</a-form-item>
<span style="margin-left: 10px">
<a-button type='primary' :disabled='loading' @click='searchQuery' icon='search'>查询</a-button>
<a-button type='primary' @click='searchReset' icon='search' style='margin-left:10px'>重置</a-button>
<a-button type="primary" icon="plus" @click="addRow" style='margin-left:10px'>新增查询条件</a-button>
</span>
</a-form>
<p>查询条件为：{{searchData}}</p>
js
initForm() {
// 首先请求设备列表，存放在eqpList中
// 初始化form表单
this.formList.push({
equipment: '',
dataCode: '',
remark: '',
eqpList: this.eqpList,
dataTypeList: []
})
},
// 删除一行
handleRemove(index) {
if (this.formList.length === 1) {
return
}
this.formList.splice(index, 1)
},
// 新增一行
handleAdd() 欧洲服务器http://www.558idc.com/helan.html{
this.formList.push({
equipment: '',
dataCode: '',
remark: '',
eqpList: this.eqpList, // 可以根据接口动态获取，这里便于演示，直接赋值了
dataTypeList: [],// 可以根据接口动态获取并根据设备去关联
})
},
equipChange(value, index) {
// change赋值
this.formList[index].equipment = value;
//同步更新 当前选择的设备对应的对比项列表
this.handleEqpIdentity(value, index)
},
// 根据设备查询对应的对比项列表
handleEqpIdentity(value, index) {
this.dataTypeList = []; //清空dataTypeList
this.formList[index].dataTypeList = []; // 清空当前行的 dataTypeList
//根据新的设备名称 获取对应的对比项列表
getAction(this.url.getDataTypeList, {equipment: value})
.then((res) => {
if (res.success) {
this.dataTypeList = res.result;
this.formList[index].dataTypeList = this.dataTypeList;
// this.formList[index].dataCode = ''; 直接赋值为空 是无效的
//需使用 getFieldValue， setFieldsValue
let dataCode1Arr = this.form.getFieldValue('dataCode');
if (dataCode1Arr.length !== 0) {
dataCode1Arr[index] = ''
}
this.form.setFieldsValue({dataCode: dataCode1Arr})
} else {
this.$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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