element-ui

el-tree

1. 设置默认节点不显示问题

1. 弹窗@open设置默认选择节点

<el-dialog title="资源管理" :visible.sync="dialogFormVisible" @open="handleOpen">
。。。。
handleOpen(){
      // 构建树      
      console.log(newcurrentNav)
      this.$nextTick().then(() => {     
         this.$refs['tree'].setCheckedKeys(checkIds, true);
       });
    },

2. 深拷贝

async handleEdit(index, row) {
      //得到这个角色下 下面的所有资源
      var keysString = JSON.stringify(userMenuNodes);
      var deepCopyUserMenuNodes = JSON.parse(keysString);
      this.$nextTick(() => {
        this.$refs.menutree.setCheckedKeys(deepCopyUserMenuNodes, true);
        // set checked state of a node not affects its father and child nodes
        this.checkStrictly = false;
      });
    },