数据分类还原成一次获取所有分类（实现了无限层级）

src/pages/data/list/index.vue

@@ -194,11 +194,10 @@ export default {
     }
   },
   methods: {
-    getType(id = 0) {
+    getType() {
       // 获取分类
-      this.$post(`${this.api.getLevel}?parentId=${id}`).then(res => {
+      this.$post(this.api.getTableByClassification).then(res => {
-        const list = res.list
+        let typeId = this.typeId // 取得传值的id
-        let typeId = this.typeId // 取得首页传过来的id
         let introduce = ''// 对应股票的介绍，规则为无children则取上级
         let dataSource = '' // 数据来源，同上
         let action
@@ -217,25 +216,20 @@ export default {
             if (i) isFirst = false
             if (typeId && e.id == typeId) {// 若id匹配
               action = String(e.id)
-              if (e.children && e.children.length) {// 若有下级
+              if (e.children.length) {// 若有下级
                 if (!e.children[0].children.length) {// 找到下级的下级若无子级，则赋值勾选
                   action = String(e.children[0].id)
                 } else {// 直接赋值
                   action = String(e.children[0].children[0].id)
                 }
               }
-            } else if (e.children && e.children.length) { // id不匹配，递归找
+            } else if (e.children.length) { // id不匹配，递归找
               actionId(e.children)
             }
           })
         }
-        if (id) {
+        this.typeList = res
-          this.typeList[0].children = list
+        actionId(res)
-        } else {
-          this.typeList = list
-        }
-        console.log(11, this.typeList)
-        actionId(list)
         this.defaultType = action
         this.introduce = introduce
         this.dataSource = dataSource
@@ -281,45 +275,44 @@ export default {
       let introduce = ''
       let dataSource = ''
       this.keyword = ''
-      this.getType(index)
+      let list = this.typeList
-      // let list = this.typeList
+      let select = ''
-      // let select = ''
+      // 获取最里层的第一个子级id
-      // // 获取最里层的第一个子级id
+      function getDeepest(data) {
-      // function getDeepest(data) {
+        if (data[0].children && data[0].children.length) {
-      //   if (data[0].children && data[0].children.length) {
+          getDeepest(data[0].children)
-      //     getDeepest(data[0].children)
+        } else {
-      //   } else {
+          select = data[0].id
-      //     select = data[0].id
+          if (data[0].introduce) introduce = data[0].introduce
-      //     if (data[0].introduce) introduce = data[0].introduce
+          if (data[0].dataSource) dataSource = data[0].dataSource
-      //     if (data[0].dataSource) dataSource = data[0].dataSource
+        }
-      //   }
+      }
-      // }
+      function handleData(data) {
-      // function handleData(data) {
+        data.map((n, i) => {
-      //   data.map((n, i) => {
+          // 匹配到点击的分类，默认展开子级第一个分类
-      //     // 匹配到点击的分类，默认展开子级第一个分类
+          if (n.id == index) {
-      //     if (n.id == index) {
+            // 如果有子级，则递归取到最下面的第一级子级id，如果没有子级，则取当前id
-      //       // 如果有子级，则递归取到最下面的第一级子级id，如果没有子级，则取当前id
+            if (n.children.length) {
-      //       if (n.children.length) {
+              getDeepest(n.children)
-      //         getDeepest(n.children)
+            } else {
-      //       } else {
+              select = index
-      //         select = index
+              if (n.introduce) introduce = n.introduce
-      //         if (n.introduce) introduce = n.introduce
+              if (n.dataSource) dataSource = n.dataSource
-      //         if (n.dataSource) dataSource = n.dataSource
+            }
-      //       }
+          } else {
-      //     } else {
+            handleData(n.children)
-      //       handleData(n.children)
+          }
-      //     }
+        })
-      //   })
+      }
-      // }
+      handleData(list)
-      // handleData(list)
+      if (!introduce) introduce = list.find(n => n.id == indexPath[0]).introduce
-      // if (!introduce) introduce = list.find(n => n.id == indexPath[0]).introduce
+      if (!dataSource) dataSource = list.find(n => n.id == indexPath[0]).dataSource
-      // if (!dataSource) dataSource = list.find(n => n.id == indexPath[0]).dataSource
+      this.defaultType = select
-      // this.defaultType = select
+      this.introduce = introduce
-      // this.introduce = introduce
+      this.dataSource = dataSource
-      // this.dataSource = dataSource
+      this.previewHead = []
-      // this.previewHead = []
+      this.previewData = []
-      // this.previewData = []
+      this.initData()
-      // this.initData()
     },
     previewCurrentChange(val) {
       this.currentRow = val