element的树状控件在vue中如何自定义并默认展开？

<el-tree:data="data2"show-checkboxdefault-expand-allnode-key="id"ref="tree"highlight-currentcheck-on-click-node...

多比熊

5015人浏览 · 2018-12-12 16:30:53

多比熊 · 2018-12-12 16:30:53 发布

 <el-tree
          :data="data2"
          show-checkbox
          default-expand-all
          node-key="id"
          ref="tree"
          highlight-current
          check-on-click-node
          :props="defaultProps">
        </el-tree>

        data2: [{
          label: '全选',
          children: [
            {
              label: "_id",
              disabled: true
            }
            , {
              label: 'name'
            }, {
              label: 'sex'
            }, {
              label: 'address'
            }, {
              label: "mobile"
            }, {
              label: "year"
            }, {
              label: "nation"
            }, {
              label: "major"
            }, {
              label: "username"
            }, {
              label: "headPicture"
            }
          ]
        }],
        defaultProps: {
          children: this.children,
          label: 'label'
        },

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1、6位小写字母和数字必须包含两个字母rules: [{ required: true, message: "XXX不能为空", trigger: "blur" },{ max: 6, message: "最大长度为6位字符", trigger: "blur" },{pattern: /^(?=(?:[^a-z]*[a-z]){2})[a-z0-9]{6,6}$/, //不连续的两位字母// /^