标签：template children 绑定 val main primary false echo 下拉
<template>
<div>
<el-form :model="dynamicValidateForm" ref="dynamicValidateForm" label-width="100px" class="demo-dynamic">
<el-form-item
v-for="(domain, index) in dynamicValidateForm.domains"
:label="‘站点‘ + index"
:key="domain.id"
>
<el-select v-model="domain.id" @change="testSite(domain.id)" placeholder="请选择站点">
<el-option
v-for="item in testData"
:key="item.id"
:label="item.testName"
:value="item.id"
:disabled="item.disabled">
</el-option>
</el-select>
<el-select placeholder="请选择" filterable v-model="domain.colName" @click.native="colSelClick(domain.id)" style="width: 20%">
<el-option
style="height: auto"
:value="domain.colName">
<el-tree :data="domain.children" :props="defaultProps" @node-click="handleNodeClick" node-key="colId"></el-tree>
</el-option>
</el-select>
<el-button v-if="(dynamicValidateForm.domains.length-1) !== 0" @click.prevent="removeDomain(domain)">删除</el-button>
<el-button v-if="(dynamicValidateForm.domains.length-1) === index && (dynamicValidateForm.domains.length-1) < (testData.length-1)"
@click="addDomain">添加站点</el-button>
<el-button v-if="(dynamicValidateForm.domains.length-1) === index" type="primary" @click="submitForm(‘dynamicValidateForm‘)">测试</el-button>
</el-form-item>
</el-form>
</div>
</template>
<script>
export default {
name: "PushManagement",
data(){
return {
dynamicValidateForm: {
domains: [{
colName: ‘‘, // 栏目名称
id: null, // 站点id
colId: null, // 栏目id
children: [] // 站点下的栏目列表
}],
},
testSiteId: null,
defaultProps: {
children: ‘children‘,
label: ‘name‘
},
testData: [{
testName: ‘站点一‘,
id: 1,
children: [{
name: ‘栏目一‘,
colId: 11
},{
name: ‘栏目二‘,
colId: 12,
children: [{
name: ‘栏目二 - 子栏目‘,
colId: 121,
}]
}]
},{
testName: ‘站点二‘,
id: 2,
children: [{
name: ‘栏目三‘,
colId: 21
},{
name: ‘栏目四‘,
colId: 22,
children: [{
name: ‘栏目四 - 子栏目‘,
colId: 221,
}]
}]
},{
testName: ‘站点三‘,
id: 3,
children: [{
name: ‘栏目五‘,
colId: 31
},{
name: ‘栏目六‘,
colId: 32,
children: [{
name: ‘栏目六 - 子栏目‘,
colId: 321,
}]
}]
}],
// 回显站点 栏目
echoSiteData: [{
id: 2,
colId: 21,
colName: "栏目三"
}, {
id: 3,
colId: 321,
colName: "栏目六 - 子栏目"
}]
}
},
methods: {
submitForm(formName) {
this.$refs[formName].validate((valid) => {
if (valid) {
alert(‘submit!‘);
console.log(this.dynamicValidateForm)
} else {
console.log(‘error submit!!‘);
return false;
}
});
},
removeDomain(item) {
var index = this.dynamicValidateForm.domains.indexOf(item)
if (index !== -1) {
this.dynamicValidateForm.domains.splice(index, 1)
this.merOrCityChange(this.testData,this.dynamicValidateForm.domains)
}
},
addDomain() {
this.dynamicValidateForm.domains.push({
colName: ‘‘,
id: null,
colId: null,
children: []
});
},
// 栏目点击 绑定栏目对应的站点id
colSelClick(id){
// console.log(‘点击栏目‘)
// console.log(id)
this.testSiteId = id
},
// 站点下拉框 改变
testSite(id){
this.testSiteId = id
let testColData = {}
for(let i = 0; i< this.testData.length; i++){
if(this.testData[i].id == id){
testColData = this.testData[i]
}
}
let data = this.dynamicValidateForm.domains
for(let i = 0; i < data.length; i++){
if(data[i].id == testColData.id){
data[i].colName = ‘‘
data[i].colId = null
data[i].children = testColData.children
}
}
// console.log(‘是否存在站点id‘)
// console.log(this.dynamicValidateForm.domains)
this.merOrCityChange(this.testData,this.dynamicValidateForm.domains)
},
// 栏目选择树 改变
handleNodeClick(data,node,obj) {
// console.log(‘下拉框‘)
// console.log(data)
// console.log(this.testSiteId)
// console.log( this.dynamicValidateForm)
let arr = this.dynamicValidateForm.domains
for(let i = 0; i < arr.length; i++){
if(arr[i].id == this.testSiteId){
arr[i].colName = data.name;
arr[i].colId = data.colId
}
}
},
// 站点 禁选
merOrCityChange(data,data2){ // data 原始数据 data2 站点下拉框--站点 （必须都是数组）
let arr = []
if(!data || !data2 || data.length <= 0 || data2.length <= 0)return
for(let i = 0; i < data.length; i++){
for(let j = 0; j < data2.length; j++){
data[i].disabled = false
if(data[i].id == data2[j].id){
arr.push(data[i])
}
}
}
// console.log(‘存在的站点id‘)
// console.log(arr)
if(arr.length > 0){
for(let i = 0; i< data.length; i++){
for(let j = 0; j< arr.length;j++){
if(data[i].id == arr[j].id){
data[i].disabled = true
}
}
}
}
},
// 回显 站点栏目
echoSite(echoSiteData){
if(echoSiteData.length > 0){
this.dynamicValidateForm.domains = []
for(let i = 0; i<this.testData.length; i++){
for(let j = 0; j < echoSiteData.length; j++){
if(this.testData[i].id === echoSiteData[j].id){
this.dynamicValidateForm.domains.push({
colName: echoSiteData[j].colName,
id: echoSiteData[j].id,
colId: echoSiteData[j].colId,
children: this.testData[i].children
});
}
}
}
this.merOrCityChange(this.testData,this.dynamicValidateForm.domains)
}
}
},
created(){
this.echoSite(this.echoSiteData)
},
}
</script>
<style scoped>
</style>
标签：template children 绑定 val main primary false echo 下拉
原文地址：https://www.cnblogs.com/wjz-page/p/13182198.html
