vue公共列表选择组件,引用Vant-UI的样式方式

"list": [
 {
  "Id": "",
  "Number": "",
  "Name": ""
 }
 ],

{
 "Success": true,
 "Data": [
 {
  "Id": "",
  "Number": "",
  "Name": ""
 }
 ],
 "Page": 1,
 "PageSize": 3
}

[
 {id: 'node1',pid: 'root',content: 'test'},
 {id: 'node2',pid: 'root',content: 'test'},
 {id: 'node3',pid: 'node1',content: 'test'},
 {id: 'node4',pid: 'node2',content: 'test'},
 {id: 'node5',pid: 'node3',content: 'test'},
 {id: 'node6',pid: 'node1',content: 'test'}
]

[
 {
 id: 'node1',
 pid: 'root',
 content: 'test',
 children: [
  {
  id: 'node3',
  pid: 'node1',
  ccontent: 'test',
  children: [
   {id: 'node5',pid: 'node3',content: 'test'}
  ]
  },
  {id: 'node6',pid: 'node1',content: 'test'}
 ]
 },
 {
 id: 'node2',
 pid: 'root',
 content: 'test',
 children: [
  {id: 'node4',pid: 'node2',content: 'test'}
 ]
 },
]

// 平铺结构转嵌套结构
  tile2nest(array, key, pKey, childrenKey) {
   if (!array || array.constructor !== Array) {
   return array;
   }
   // 复制一份，避免修改原始数组
   let ary = [...array];
   key = key || "id"; // 平铺数据主键
   pKey = pKey || "parentId";//平铺数据父节点数据
   childrenKey = childrenKey || "children";//子节点名称
   // 定义一个待移除数组
   let ary2remove = [];
   ary.map(item => {
 //动态添加属性text以适应van-picker组件默认显示text字段
   this.$set(item,'text',item.name);
   
   if (item[key] !== item[pKey]) {
    // 找父节点
    let p = ary.filter(c => c[key] === item[pKey]);
    if (p && p.length == 1) {
    p[0].children = p[0].children || [];
    // 将子节点放到父节点中
    p[0].children.push(item);
    ary2remove.push(item[key]);
    }
   }
   });

   // 遍历移除待删除对象
   ary2remove.map(item => {
   ary = ary.filter(c => c[key] !== item);
   });
   //返回转化后的层次结构数据
   return ary;
  }

onConfirm(value)   {
    let str = ""; // 呈现页面显示 /xxx/xxx/xxx
    for(let i= 0;i0){
      str += "/" + value[i];
     }
     else{
      str +=value[i];
     }
    }
    this.form.kind = str;
    this.showPicker = false
   },