将对象级别的json对象转化为elementui框架tree控件支持的数据格式

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1. //格式化树将带node,children节点的json对象转化为符合elementui树控件所需要的数据格式
   
2.     formatTreeData(data) {
   
3.       let result = [];
   
4.       if (data.length > 0) {
   
5.         for (let i = 0; i < data.length; i++) {
   
6.           let node = data[i].node; //每一个节点
   
7.           let children = data[i].children; //对应的孩子节点
   
8.           let mynode = {};
   
9.           let keyArray = Object.keys(node);
   
10.           for (var item of keyArray) {
    
11.             mynode[item] = node[item]; //node对象的所有属性做成对象属性
    
12.           }
    
13.           if (children && children.length > 0) {
    
14.             mynode["children"] = this.formatTreeData(children); //进行递归调用
    
15.           } else {
    
16.             mynode["children"] = [];
    
17.           }
    
18. 
    
19.           result.push(mynode);
    
20.         }
    
21.       }
    
22.       return result;
    
23.     }