elementui el-tree复选框是否被选中

最新推荐文章于 2024-07-08 12:02:33 发布

原创最新推荐文章于 2024-07-08 12:02:33 发布 · 1.2w 阅读

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CC 4.0 BY-SA版权

本文详细介绍如何使用Element UI中的树形组件实现组织结构的展示与管理，包括新增、编辑等操作，以及如何通过监听检查状态变化来更新选中节点。

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<el-tree ref="treeX" accordion :check-strictly="true" :data="organizationList"
   :props="organizationProps" show-checkbox node-key="id" :expand-on-click-node='true'
    @check-change="handleCheckChange"></el-tree>
// 新增
showplan() {
      this.rowOrgIdList = [];
      this.checkIdArr = [];
      let self = this
      setTimeout(() => {
        self.$refs.treeX.setCheckedKeys([])
      }, 0)
},
// 编辑
updateDialog(row) {
      this.rowOrgIdList = row.orgIdList;
      let self = this
      setTimeout(() => {
        self.$refs.treeX.setCheckedKeys(row.orgIdList)
      }, 0)
},
handleCheckChange(data, checked, indeterminate) {
      if (checked) {
        this.isRed = false;
        this.checkIdArr.push(data.id);
        this.checkedKeyArr = [...this.rowOrgIdList, ...this.checkIdArr];
        this.checkedKeyArr = Array.from(new Set(this.checkedKeyArr));
        this.checkedKeyStr = this.checkedKeyArr.join(","); // 把选中的节点id数组转为字符串传给后台的参数
      } else {
        this.checkedKeyArr.splice(
          this.checkedKeyArr.findIndex(v => v === data.id),
          1
        );
        this.checkedKeyStr = this.checkedKeyArr.join(",");
        if (this.checkedKeyStr.length == 0) {
          this.checkIdArr = [];
          this.rowOrgIdList = [];
        }
      }
},