feat:add tree demo

src/components/Breadcrumb/index.vue

@@ -24,7 +24,7 @@ export default {
       let matched = this.$route.matched.filter(item => item.name)
       const first = matched[0]
       if (first && first.name !== 'dashboard') {
-        matched = [{ path: '/dashboard', meta: { title: 'dashboard' }}].concat(matched)
+        matched = [{ path: '/dashboard', meta: { title: 'Dashboard' }}].concat(matched)
       }
       this.levelList = matched
     }

src/icons/svg/tree.svg

+<?xml version="1.0" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg t="1511512690058" class="icon" style="" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="3507" xmlns:xlink="http://www.w3.org/1999/xlink" width="64" height="64"><defs><style type="text/css"></style></defs><path d="M1013.703 693.345c6.865 6.865 10.297 14.874 10.297 24.027l0 205.944c0 9.916-3.432 18.115-10.297 24.599-6.865 6.483-15.255 9.725-25.171 9.725L782.588 957.64c-9.153 0-17.162-3.242-24.027-9.725-6.865-6.483-10.297-14.683-10.297-24.599L748.264 717.372c0-6.102 1.526-11.823 4.577-17.162s7.246-9.534 12.586-12.586 11.06-4.577 17.162-4.577l77.801 0L860.39 546.896c0-4.577-1.144-8.772-3.432-12.586s-5.339-6.865-9.153-9.153-8.009-3.432-12.585-3.432L543.464 521.725l0 161.323 77.801 0c9.153 0 17.162 3.432 24.027 10.297s10.297 14.874 10.297 24.027l0 205.944c0 6.102-1.526 11.823-4.577 17.162s-7.246 9.534-12.585 12.585-11.06 4.577-17.162 4.577L415.321 957.64c-6.102 0-11.823-1.526-17.162-4.577s-9.725-7.246-13.158-12.585-5.149-11.06-5.149-17.162L379.852 717.372c0-9.153 3.432-17.162 10.297-24.027s15.255-10.297 25.171-10.297l76.657 0L491.977 521.725 188.782 521.725c-7.628 0-13.92 2.479-18.878 7.437-4.958 4.958-7.437 10.869-7.437 17.734l0 136.152 77.801 0c9.916 0 18.115 3.432 24.599 10.297s9.725 14.874 9.725 24.027l0 205.944c0 9.916-3.242 18.115-9.725 24.599-6.483 6.483-14.683 9.725-24.599 9.725L34.324 957.64c-3.814 0-7.437-0.572-10.869-1.716-3.432-1.144-6.483-2.67-9.153-4.577-2.67-1.907-5.149-4.386-7.437-7.437-2.288-3.051-4.004-6.293-5.149-9.725C0.572 930.753 0 927.13 0 923.316L0 717.372c0-3.051 0.381-6.102 1.144-9.153s1.907-5.721 3.432-8.009 3.432-4.577 5.721-6.865 4.577-4.195 6.865-5.721 4.958-2.67 8.009-3.432 6.102-1.144 9.153-1.144l77.801 0L112.125 495.41c0-6.865 2.479-12.776 7.437-17.734s10.869-7.437 17.734-7.437l354.682 0L491.978 342.096l-76.657 0c-9.916 0-18.306-3.432-25.171-10.297s-10.297-14.874-10.297-24.027L379.853 101.828c0-9.916 3.432-18.306 10.297-25.171s15.255-10.297 25.171-10.297l205.944 0c6.102 0 11.823 1.716 17.162 5.149 5.339 3.432 9.534 7.818 12.585 13.158 3.051 5.339 4.577 11.06 4.577 17.162l0 205.944c0 9.153-3.432 17.162-10.297 24.027s-14.874 10.297-24.027 10.297l-77.801 0 0 128.143L885.56 470.24c7.628 0 13.92 2.479 18.878 7.437s7.437 10.869 7.437 17.734l0 187.638 76.657 0C998.448 683.048 1006.838 686.48 1013.703 693.345z" p-id="3508"></path></svg>
\ No newline at end of file

src/router/index.js

@@ -21,6 +21,7 @@ import Layout from '../views/layout/Layout'
 export const constantRouterMap = [
   { path: '/login', component: _import('login/index'), hidden: true },
   { path: '/404', component: _import('404'), hidden: true },
+
   {
     path: '/',
     component: Layout,
@@ -29,36 +30,42 @@ export const constantRouterMap = [
     hidden: true,
     children: [{
       path: 'dashboard',
-      component: _import('dashboard/index'),
-      meta: { title: 'dashboard', icon: 'dashboard' }
+      component: _import('dashboard/index')
     }]
   },
 
   {
     path: '/example',
     component: Layout,
-    redirect: 'noredirect',
+    redirect: '/example/table',
     name: 'Example',
     meta: { title: 'Example', icon: 'example' },
     children: [
       {
-        path: 'index',
-        name: 'Form',
-        component: _import('page/form'),
-        meta: { title: 'Form', icon: 'form' }
+        path: 'table',
+        name: 'Table',
+        component: _import('table/index'),
+        meta: { title: 'Table', icon: 'table' }
+      },
+      {
+        path: 'tree',
+        name: 'Tree',
+        component: _import('tree/index'),
+        meta: { title: 'Tree', icon: 'tree' }
       }
     ]
   },
 
   {
-    path: '/table',
+    path: '/form',
     component: Layout,
-    redirect: '/table/index',
-    children: [{
-      path: 'index',
-      name: 'Table',
-      component: _import('table/index'),
-      meta: { title: 'Table', icon: 'table' }}
+    children: [
+      {
+        path: 'index',
+        name: 'Form',
+        component: _import('form/index'),
+        meta: { title: 'Form', icon: 'form' }
+      }
     ]
   },
 

src/views/tree/index.vue

+<template>
+  <div class="app-container">
+    <el-input placeholder="Filter keyword" v-model="filterText" style="margin-bottom:30px;"></el-input>
+
+    <el-tree class="filter-tree" :data="data2" :props="defaultProps" default-expand-all :filter-node-method="filterNode" ref="tree2"></el-tree>
+
+  </div>
+</template>
+
+<script>
+export default {
+  watch: {
+    filterText(val) {
+      this.$refs.tree2.filter(val)
+    }
+  },
+
+  methods: {
+    filterNode(value, data) {
+      if (!value) return true
+      return data.label.indexOf(value) !== -1
+    }
+  },
+
+  data() {
+    return {
+      filterText: '',
+      data2: [{
+        id: 1,
+        label: 'Level one 1',
+        children: [{
+          id: 4,
+          label: 'Level two 1-1',
+          children: [{
+            id: 9,
+            label: 'Level three 1-1-1'
+          }, {
+            id: 10,
+            label: 'Level three 1-1-2'
+          }]
+        }]
+      }, {
+        id: 2,
+        label: 'Level one 2',
+        children: [{
+          id: 5,
+          label: 'Level two 2-1'
+        }, {
+          id: 6,
+          label: 'Level two 2-2'
+        }]
+      }, {
+        id: 3,
+        label: 'Level one 3',
+        children: [{
+          id: 7,
+          label: 'Level two 3-1'
+        }, {
+          id: 8,
+          label: 'Level two 3-2'
+        }]
+      }],
+      defaultProps: {
+        children: 'children',
+        label: 'label'
+      }
+    }
+  }
+}
+</script>
+