el-tree中插入图标并且带提示信息

javascript 复制代码
<template>
  <div class="left">
    <!-- default-expanded-keys 默认展开 -->
    <!-- expand-on-click-node 只有点击箭头才会展开树 -->
    <el-tree :data="list" :props="defaultProps" @node-click="handleNodeClick" :default-expanded-keys="[1]" :expand-on-click-node='false' node-key='menuId'>
      <span class="custom-tree-node box" slot-scope="{ node, data }">
        <span style="flex:1">{{ node.label }}</span>
        <!-- 此处判断,是否展示图标 -->
        <span style="padding-right:10px" v-if="data.menuId === 6">
          <el-tooltip class="item" effect="dark" content="提示文字" placement="top-start">
            <img src="../assets/icon-time.png" style="width: 20px;">
          </el-tooltip>
        </span>
      </span>

    </el-tree>
  </div>
</template>

<script>
export default {
  data () {
    return {
      defaultProps: {
        children: 'children',
        label: 'menuName'
      },
      // 数据源
      list: [
        {
          "menuId": 1,
          "menuName": "首页(首页)",
          "menuCode": "首页",
          "parentId": 0,
          "orderNum": 0,
          "path": "/page",
          "component": null,
          "query": null,
          "isFrame": 0,
          "isCache": 0,
          "menuType": 0,
          "visible": 1,
          "perms": null,
          "icon": "iconfont icon-shouye",
          "status": 1,
          "remark": null,
          "roleId": null,
          "selected": true,
          "level": 1,
          "children": [
            {
              "menuId": 2,
              "menuName": "首页(首页)",
              "menuCode": "首页",
              "parentId": 1,
              "orderNum": 1,
              "path": "/welcome",
              "component": null,
              "query": null,
              "isFrame": 0,
              "isCache": 0,
              "menuType": 1,
              "visible": 1,
              "perms": null,
              "icon": "",
              "status": 1,
              "remark": null,
              "roleId": null,
              "selected": true,
              "level": 2,
              "children": null
            }
          ]
        },
        {
          "menuId": 3,
          "menuName": "随访数据查询(随访数据查询)",
          "menuCode": "随访数据查询",
          "parentId": 0,
          "orderNum": 1,
          "path": "/followUpDataQuery",
          "component": null,
          "query": null,
          "isFrame": 0,
          "isCache": 0,
          "menuType": 0,
          "visible": 1,
          "perms": null,
          "icon": "iconfont icon-shengwuxuejiance",
          "status": 1,
          "remark": null,
          "roleId": null,
          "selected": true,
          "level": 1,
          "children": [
            {
              "menuId": 4,
              "menuName": "随访数据查询(随访数据查询)",
              "menuCode": "随访数据查询",
              "parentId": 3,
              "orderNum": 1,
              "path": "index",
              "component": null,
              "query": null,
              "isFrame": 0,
              "isCache": 0,
              "menuType": 1,
              "visible": 1,
              "perms": null,
              "icon": "",
              "status": 1,
              "remark": null,
              "roleId": null,
              "selected": true,
              "level": 2,
              "children": null
            },
            {
              "menuId": 5,
              "menuName": "随访详情(随访详情)",
              "menuCode": "随访详情",
              "parentId": 3,
              "orderNum": 2,
              "path": "detail",
              "component": null,
              "query": null,
              "isFrame": 0,
              "isCache": 0,
              "menuType": 1,
              "visible": 1,
              "perms": null,
              "icon": "",
              "status": 1,
              "remark": null,
              "roleId": null,
              "selected": true,
              "level": 2,
              "children": null
            }
          ]
        },
        {
          "menuId": 21,
          "menuName": "此单名称(11)",
          "menuCode": "11",
          "parentId": 0,
          "orderNum": 1,
          "path": "请问请问饿```",
          "component": null,
          "query": null,
          "isFrame": 0,
          "isCache": 0,
          "menuType": 0,
          "visible": 1,
          "perms": null,
          "icon": "321",
          "status": 1,
          "remark": null,
          "roleId": null,
          "selected": true,
          "level": 1,
          "children": null
        },
        {
          "menuId": 6,
          "menuName": "调查数据查询(调查数据查询)",
          "menuCode": "调查数据查询",
          "parentId": 0,
          "orderNum": 2,
          "path": "/surveyDataQuery",
          "component": null,
          "query": null,
          "isFrame": 0,
          "isCache": 0,
          "menuType": 0,
          "visible": 1,
          "perms": null,
          "icon": "iconfont icon-shaichaxinxichaxun",
          "status": 1,
          "remark": null,
          "roleId": null,
          "selected": true,
          "level": 1,
          "children": [
            {
              "menuId": 7,
              "menuName": "调查数据查询(调查数据查询)",
              "menuCode": "调查数据查询",
              "parentId": 6,
              "orderNum": 1,
              "path": "index",
              "component": null,
              "query": null,
              "isFrame": 0,
              "isCache": 0,
              "menuType": 1,
              "visible": 1,
              "perms": null,
              "icon": "",
              "status": 1,
              "remark": null,
              "roleId": null,
              "selected": true,
              "level": 2,
              "children": null
            },
            {
              "menuId": 8,
              "menuName": "新建问卷(新建问卷)",
              "menuCode": "新建问卷",
              "parentId": 6,
              "orderNum": 2,
              "path": "evaluationreport",
              "component": null,
              "query": null,
              "isFrame": 0,
              "isCache": 0,
              "menuType": 1,
              "visible": 1,
              "perms": null,
              "icon": "",
              "status": 1,
              "remark": null,
              "roleId": null,
              "selected": true,
              "level": 2,
              "children": null
            },
            {
              "menuId": 9,
              "menuName": "随访详情(随访详情)",
              "menuCode": "随访详情",
              "parentId": 6,
              "orderNum": 3,
              "path": "evaluationlook",
              "component": null,
              "query": null,
              "isFrame": 0,
              "isCache": 0,
              "menuType": 1,
              "visible": 1,
              "perms": null,
              "icon": "",
              "status": 1,
              "remark": null,
              "roleId": null,
              "selected": true,
              "level": 2,
              "children": null
            }
          ]
        },
        {
          "menuId": 10,
          "menuName": "任务配置(任务配置)",
          "menuCode": "任务配置",
          "parentId": 0,
          "orderNum": 3,
          "path": "/taskSet",
          "component": null,
          "query": null,
          "isFrame": 0,
          "isCache": 0,
          "menuType": 0,
          "visible": 1,
          "perms": null,
          "icon": "iconfont icon-renwuguanli",
          "status": 1,
          "remark": null,
          "roleId": null,
          "selected": true,
          "level": 1,
          "children": [
            {
              "menuId": 11,
              "menuName": "任务配置(任务配置)",
              "menuCode": "任务配置",
              "parentId": 10,
              "orderNum": 1,
              "path": "index",
              "component": null,
              "query": null,
              "isFrame": 0,
              "isCache": 0,
              "menuType": 1,
              "visible": 1,
              "perms": null,
              "icon": "",
              "status": 1,
              "remark": null,
              "roleId": null,
              "selected": true,
              "level": 2,
              "children": null
            }
          ]
        },
        {
          "menuId": 12,
          "menuName": "数据统计(数据统计)",
          "menuCode": "数据统计",
          "parentId": 0,
          "orderNum": 4,
          "path": "/dataStatistics",
          "component": null,
          "query": null,
          "isFrame": 0,
          "isCache": 0,
          "menuType": 0,
          "visible": 1,
          "perms": null,
          "icon": "iconfont icon-shujutongji",
          "status": 1,
          "remark": null,
          "roleId": null,
          "selected": true,
          "level": 1,
          "children": [
            {
              "menuId": 13,
              "menuName": "数据统计(数据统计)",
              "menuCode": "数据统计",
              "parentId": 12,
              "orderNum": 1,
              "path": "index",
              "component": null,
              "query": null,
              "isFrame": 0,
              "isCache": 0,
              "menuType": 1,
              "visible": 1,
              "perms": null,
              "icon": "",
              "status": 1,
              "remark": null,
              "roleId": null,
              "selected": true,
              "level": 2,
              "children": null
            }
          ]
        },
        {
          "menuId": 14,
          "menuName": "数据导出(数据导出)",
          "menuCode": "数据导出",
          "parentId": 0,
          "orderNum": 5,
          "path": "/dataExport",
          "component": null,
          "query": null,
          "isFrame": 0,
          "isCache": 0,
          "menuType": 0,
          "visible": 1,
          "perms": null,
          "icon": "iconfont icon-suifangrenwuguanli",
          "status": 1,
          "remark": null,
          "roleId": null,
          "selected": true,
          "level": 1,
          "children": [
            {
              "menuId": 15,
              "menuName": "数据导出(数据导出)",
              "menuCode": "数据导出",
              "parentId": 14,
              "orderNum": 1,
              "path": "index",
              "component": null,
              "query": null,
              "isFrame": 0,
              "isCache": 0,
              "menuType": 1,
              "visible": 1,
              "perms": null,
              "icon": "",
              "status": 1,
              "remark": null,
              "roleId": null,
              "selected": true,
              "level": 2,
              "children": null
            }
          ]
        },
        {
          "menuId": 16,
          "menuName": "系统管理(系统管理)",
          "menuCode": "系统管理",
          "parentId": 0,
          "orderNum": 6,
          "path": "/systemManage",
          "component": null,
          "query": null,
          "isFrame": 0,
          "isCache": 0,
          "menuType": 0,
          "visible": 1,
          "perms": null,
          "icon": "iconfont icon-xitongguanli",
          "status": 1,
          "remark": null,
          "roleId": null,
          "selected": true,
          "level": 1,
          "children": [
            {
              "menuId": 17,
              "menuName": "用户管理(用户管理)",
              "menuCode": "用户管理",
              "parentId": 16,
              "orderNum": 1,
              "path": "usersManage",
              "component": null,
              "query": null,
              "isFrame": 0,
              "isCache": 0,
              "menuType": 1,
              "visible": 1,
              "perms": null,
              "icon": "",
              "status": 1,
              "remark": null,
              "roleId": null,
              "selected": true,
              "level": 2,
              "children": null
            },
            {
              "menuId": 18,
              "menuName": "角色管理(角色管理)",
              "menuCode": "角色管理",
              "parentId": 16,
              "orderNum": 2,
              "path": "roleManage",
              "component": null,
              "query": null,
              "isFrame": 0,
              "isCache": 0,
              "menuType": 1,
              "visible": 1,
              "perms": null,
              "icon": "",
              "status": 1,
              "remark": null,
              "roleId": null,
              "selected": true,
              "level": 2,
              "children": null
            },
            {
              "menuId": 19,
              "menuName": "权限配置(权限配置)",
              "menuCode": "权限配置",
              "parentId": 16,
              "orderNum": 3,
              "path": "permissionSetting",
              "component": null,
              "query": null,
              "isFrame": 0,
              "isCache": 0,
              "menuType": 1,
              "visible": 1,
              "perms": null,
              "icon": "",
              "status": 1,
              "remark": null,
              "roleId": null,
              "selected": true,
              "level": 2,
              "children": null
            },
            {
              "menuId": 20,
              "menuName": "菜单管理(菜单管理)",
              "menuCode": "菜单管理",
              "parentId": 16,
              "orderNum": 4,
              "path": "menuManage",
              "component": null,
              "query": null,
              "isFrame": 0,
              "isCache": 0,
              "menuType": 1,
              "visible": 1,
              "perms": null,
              "icon": "",
              "status": 1,
              "remark": null,
              "roleId": null,
              "selected": true,
              "level": 2,
              "children": null
            }
          ]
        }
      ],
      defaultExpandedKeys: []
    }
  },
  methods: {
    // 点击树
    handleNodeClick (val) {
      console.log(val);
    }
  }
}
</script>

<style lang="less" scoped>
.left {
  width: 360px;
  margin: 20px;
}
.box {
  display: flex;
  flex: 1;
}
</style>
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