详解Vue.js iview实现树形权限表（可扩展表）

listcolumns: [{
  title: '序号',
  key: '_index',
  className: 'index_css',
  render: (h, params) = >{
    return h('div', [h('span', {
      style: {
        display: 'inline-block',
        width: '100%',
        overflow: 'hidden',
        textOverflow: 'ellipsis',
        whiteSpace: 'nowrap',
        textAlign: 'center'
      }
    },
    params.row._index)]);
  }
},
{
  //添加的expand      
  type: 'expand',
  width: 20,
  render: (h, params) = >{
    return h(expandRow, {
      style: {
        padding: 0
      },
      props: {
        row: params.row
      }
    })
  }
},
{
  title: '权限名称',
  key: 'Title',
  className: 'Title_css',
  ellipsis: true,
  render: (h, params) = >{
    return h('div', [h('span', {
      style: {

        display: 'inline-block',
        width: '100%',
        overflow: 'hidden',
        textOverflow: 'ellipsis',
        whiteSpace: 'nowrap'
      }
    },
    params.row.Title)]);
  }
},

< template > 
<Table stripe: loading = "loading": showHeader = false border: columns = "listcolumns": data = "listauth"style = "overflow-y: hidden;max-height: 522px;" > </Table>
</template > 
<script > 
import expandRow from '../components/authtable_expand.vue';
export
default {
    props: ['row'],
    data() {
      return {
        loading: false,
        listcolumns: [
        //listcolumns暂不展示    
        ],
        listauth: []
      }
    },
    mounted() {},
    methods: {},
    created() {
      //console.log("authotable_expend created: " + JSON.stringify(this.row.children))		
      var object = this.row.children;
      console.log("auth expand data:" + JSON.stringify(object)) this.listauth.splice(0) object.forEach(r = >{
        this.listauth.push(r)
      })
      //console.log("listauth:" + JSON.stringify(this.listauth))	
    }
  }
  < /script>
 <style lang="less">
	td.ivu-table-expanded-cell{	
	padding:0;	
}
</style >