vue版本上线
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季圣华
260
jshERP-web/src/components/jeecg/JTreeSelect.vue
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260
jshERP-web/src/components/jeecg/JTreeSelect.vue
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<template>
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<a-tree-select
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allowClear
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labelInValue
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:getPopupContainer="(node) => node.parentNode"
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style="width: 100%"
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:disabled="disabled"
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:dropdownStyle="{ maxHeight: '400px', overflow: 'auto' }"
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:placeholder="placeholder"
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:loadData="asyncLoadTreeData"
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:value="treeValue"
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:treeData="treeData"
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:multiple="multiple"
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@change="onChange"
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@search="onSearch">
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</a-tree-select>
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</template>
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<script>
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/*
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* 异步树加载组件 通过传入表名 显示字段 存储字段 加载一个树控件
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* <j-tree-select dict="aa_tree_test,aad,id" pid-field="pid" ></j-tree-select>
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* */
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import { getAction } from '@/api/manage'
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export default {
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name: 'JTreeSelect',
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props: {
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value:{
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type: String,
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required: false
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},
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placeholder:{
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type: String,
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default: '请选择',
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required: false
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},
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dict:{
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type: String,
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default: '',
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required: false
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},
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pidField:{
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type: String,
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default: 'pid',
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required: false
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},
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pidValue:{
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type: String,
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default: '',
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required: false
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},
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disabled:{
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type:Boolean,
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default:false,
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required:false
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},
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hasChildField:{
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type: String,
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default: '',
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required: false
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},
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condition:{
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type:String,
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default:'',
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required:false
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},
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// 是否支持多选
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multiple: {
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type: Boolean,
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default: false,
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},
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loadTriggleChange:{
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type: Boolean,
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default: false,
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required:false
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}
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},
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data () {
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return {
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treeValue: null,
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treeData:[],
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url:"/sys/dict/loadTreeData",
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view:'/sys/dict/loadDictItem/',
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tableName:"",
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text:"",
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code:"",
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}
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},
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watch: {
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value () {
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this.loadItemByCode()
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},
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dict(){
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this.initDictInfo()
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this.loadRoot();
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}
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},
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created(){
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this.validateProp().then(()=>{
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this.initDictInfo()
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this.loadRoot()
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this.loadItemByCode()
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})
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},
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methods: {
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loadItemByCode(){
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if(!this.value || this.value=="0"){
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this.treeValue = null
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}else{
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getAction(`${this.view}${this.dict}`,{key:this.value}).then(res=>{
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if(res.success){
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let values = this.value.split(',')
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this.treeValue = res.result.map((item, index) => ({
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key: values[index],
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value: values[index],
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label: item
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}))
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this.onLoadTriggleChange(res.result[0]);
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}
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})
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}
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},
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onLoadTriggleChange(text){
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//只有单选才会触发
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if(!this.multiple && this.loadTriggleChange){
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this.$emit('change', this.value,text)
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}
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},
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initDictInfo(){
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let arr = this.dict.split(",")
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this.tableName = arr[0]
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this.text = arr[1]
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this.code = arr[2]
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},
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asyncLoadTreeData (treeNode) {
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return new Promise((resolve) => {
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if (treeNode.$vnode.children) {
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resolve()
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return
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}
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let pid = treeNode.$vnode.key
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let param = {
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pid:pid,
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tableName:this.tableName,
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text:this.text,
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code:this.code,
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pidField:this.pidField,
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hasChildField:this.hasChildField,
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condition:this.condition
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}
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getAction(this.url,param).then(res=>{
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if(res.success){
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for(let i of res.result){
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i.value = i.key
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if(i.leaf==false){
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i.isLeaf=false
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}else if(i.leaf==true){
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i.isLeaf=true
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}
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}
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this.addChildren(pid,res.result,this.treeData)
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this.treeData = [...this.treeData]
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}
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resolve()
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})
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})
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},
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addChildren(pid,children,treeArray){
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if(treeArray && treeArray.length>0){
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for(let item of treeArray){
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if(item.key == pid){
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if(!children || children.length==0){
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item.isLeaf=true
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}else{
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item.children = children
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}
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break
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}else{
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this.addChildren(pid,children,item.children)
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}
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}
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}
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},
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loadRoot(){
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let param = {
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pid:this.pidValue,
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tableName:this.tableName,
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text:this.text,
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code:this.code,
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pidField:this.pidField,
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hasChildField:this.hasChildField,
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condition:this.condition
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}
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getAction(this.url,param).then(res=>{
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if(res.success && res.result){
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for(let i of res.result){
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i.value = i.key
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if(i.leaf==false){
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i.isLeaf=false
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}else if(i.leaf==true){
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i.isLeaf=true
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}
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}
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this.treeData = [...res.result]
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}else{
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console.log("数根节点查询结果-else",res)
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}
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})
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},
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onChange(value){
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if(!value){
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this.$emit('change', '');
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this.treeValue = null
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} else if (value instanceof Array) {
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this.$emit('change', value.map(item => item.value).join(','))
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this.treeValue = value
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} else {
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this.$emit('change', value.value,value.label)
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this.treeValue = value
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}
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},
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onSearch(value){
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console.log(value)
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},
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getCurrTreeData(){
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return this.treeData
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},
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validateProp(){
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let mycondition = this.condition
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return new Promise((resolve,reject)=>{
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if(!mycondition){
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resolve();
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}else{
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try {
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let test=JSON.parse(mycondition);
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console.log("aaaaasdsdd",typeof test)
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if(typeof test == 'object' && test){
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resolve()
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}else{
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this.$message.error("组件JTreeSelect-condition传值有误，需要一个json字符串!")
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reject()
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}
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} catch(e) {
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this.$message.error("组件JTreeSelect-condition传值有误，需要一个json字符串!")
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reject()
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}
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}
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})
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}
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},
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//2.2新增 在组件内定义 指定父组件调用时候的传值属性和事件类型 这个牛逼
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model: {
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prop: 'value',
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event: 'change'
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}
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}
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</script>
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