下拉框分两种筛选：同步和异步

jero-web/src/components/jero/JDate.vue

@@ -140,9 +140,4 @@
       event: 'change'
     }
   }
-  // let bodyO = document.querySelector()
-  // bodyO.onclick = function (){
-  //   console.log(0)
-  // }
-
 </script>

jero-web/src/components/jero/JTreeSelect.vue

@@ -1,7 +1,8 @@
 <template>
+  <div>
     <a-tree-select
+      v-if="isAsync"
       allowClear
-    labelInValue
       tree-node-filter-prop="title"
       :getPopupContainer="(node) => node.parentNode"
       style="width: 100%"
@@ -13,9 +14,25 @@
       :treeData="treeData"
       :multiple="multiple"
       :show-search="!multiple"
-    @change="onChange"
+      @change="onChange">
-    @search="onSearch">
     </a-tree-select>
+
+    <a-tree-select
+      v-if="!isAsync"
+      allowClear
+      tree-node-filter-prop="title"
+      :getPopupContainer="(node) => node.parentNode"
+      style="width: 100%"
+      :disabled="disabled"
+      :dropdownStyle="{ maxHeight: '400px', overflow: 'auto' }"
+      :placeholder="placeholder"
+      :value="treeValue"
+      :treeData="treeData"
+      :multiple="multiple"
+      :show-search="!multiple"
+      @change="onChange">
+    </a-tree-select>
+  </div>
 </template>
 <script>
 
@@ -28,6 +45,11 @@
   export default {
     name: 'JTreeSelect',
     props: {
+      isAsync:{ // 是否采用异步方式初始化树
+        type:Boolean,
+        required:true,
+        default:true
+      },
       value:{
         type: String,
         required: false
@@ -95,7 +117,7 @@
       },
       dict(){
         this.initDictInfo()
-        this.loadRoot();
+        this.loadRoot()
       }
     },
     created(){
@@ -105,6 +127,9 @@
         this.loadItemByCode()
       })
     },
+    mounted(){
+      window.that = this
+    },
     methods: {
       loadItemByCode(){
         if( !this.value || this.value == "0" ){
@@ -113,11 +138,12 @@
           getAction(`${this.view}${this.dict}`,{key:this.value}).then(res=>{
             if(res.success){
               let values = this.value.split(',')
-              this.treeValue = res.result.map((item, index) => ({
+              this.treeValue = values // v-model接收的是string || string[]
-                key: values[index],
+              // let treeValue = res.result.map((item, index) => ({
-                value: values[index],
+              //   key: values[index],
-                label: item
+              //   value: values[index],
-              }))
+              //   label: item
+              // }))
               this.onLoadTriggleChange(res.result[0]);
             }
           })
@@ -135,6 +161,7 @@
         this.text = arr[1]
         this.code = arr[2]
       },
+      //异步加载树节点
       asyncLoadTreeData (treeNode) {
         return new Promise((resolve) => {
           if (treeNode.$vnode.children) {
@@ -151,10 +178,8 @@
             hasChildField:this.hasChildField,
             condition:this.condition
           }
-          console.log(param)
           getAction(this.url,param).then(res=>{
             if(res.success){
-              console.log(res)
               for(let i of res.result){
                 i.value = i.key
                 if(i.leaf==false){
@@ -173,11 +198,11 @@
       addChildren(pid,children,treeArray){
         if(treeArray && treeArray.length>0){
           for(let item of treeArray){
-            if(item.key == pid){
+            if(item.key == pid){ //找到当前元素所在的父节点
               if(!children || children.length==0){
                 item.isLeaf=true
               }else{
-                item.children = children
+                item.children = children // 搜索出来的children添加到原树子children
               }
               break
             }else{
@@ -186,7 +211,9 @@
           }
         }
       },
-      loadRoot(){ // 初始化树
+      loadRoot(){
+        // 异步初始化树
+        if (this.isAsync){
           let param = {
             pid:this.pidValue,
             tableName:this.tableName,
@@ -211,46 +238,33 @@
               console.log("数根节点查询结果-else",res)
             }
           })
+        }else{
+          // 数据小的情况下，采用同步获取数据方法
+          let param = {
+            code:this.code,
+            pidField:this.pidField,
+            tableName:this.tableName,
+            text:this.text
+          }
+          getAction('/sys/dict/queryAllTreeData',param).then((res)=>{
+            if (res.success){
+              this.treeData = deepFor(res.result)
+            }
+          })
+        }
       },
       onChange(value){
         if(!value){
           this.$emit('change', '');
           this.treeValue = null
-        } else if (value instanceof Array) {
+        } else if (value instanceof Array) {  //多选的下拉框回显
-          this.$emit('change', value.map(item => item.value).join(','))
+          //修改第一次选中时，选中为空的情况
+          this.$emit('change', value.join(',').toString())
           this.treeValue = value
-        } else {
+        } else { //单选下拉框的回显
-          this.$emit('change', value.value,value.label)
+          this.$emit('change', value)
           this.treeValue = value
         }
-
-      },
-      onSearch(value){
-        let param = {
-          code:this.code,
-          keyword:value,
-          pidField:this.pidField,
-          tableName:this.tableName,
-          text:this.text
-        }
-        getAction('/sys/dict/queryTreeDataByKeyword',param).then((res)=>{
-          if (res.success){
-            //设置是否是叶子节点（是否能展开）
-            for(let i of res.result){
-              i.value = i.key
-              if(i.leaf==false){
-                i.isLeaf=false
-              }else if(i.leaf==true){
-                i.isLeaf=true
-              }
-            }
-            //赋值树的数据
-            this.treeData = []
-            this.treeData = [...res.result]
-            // this.treeData = fn(res.result)
-            // fn(res.result)
-          }
-        })
       },
       getCurrTreeData(){
         return this.treeData
@@ -283,4 +297,19 @@
       event: 'change'
     }
   }
+  function deepFor(source){
+    for(let i of source){ // i是数组的每一项
+      i.value = i.key
+      //给每一节点判断是否是叶子节点
+      if(i.leaf==false){
+        i.isLeaf=false
+      }else if(i.leaf==true){
+        i.isLeaf=true
+      }
+      if (i.children && i.children.length > 0){
+        deepFor(i.children)
+      }
+    }
+    return source
+  }
 </script>

jero-web/src/views/jero/SelectDemo.vue

@@ -250,6 +250,7 @@
                 dict="sys_permission,name,id"
                 pidField="parent_id"
                 pidValue=""
+                :isAsync="true"
               />
             </a-form-item>
           </a-col>
@@ -266,12 +267,12 @@
                 pidField="parent_id"
                 pidValue=""
                 multiple
+                :isAsync="false"
               />
             </a-form-item>
           </a-col>
           <a-col :span="12">选中的值(v-model)：{{ formData.treeSelectMultiple }}</a-col>
         </a-row>
-
         <!-- 分类字典树 -->
         <a-row :gutter="24">
           <a-col :span="12">
@@ -585,8 +586,6 @@ sayHi('hello, world!')`
       }
     },
     methods: {
-      handleChange() {
-      },
       getDepartIdValue() {
         return this.form.getFieldValue('departId')
       },