vue递归过滤树结构数组
let arr=[{title:'1',
key:'1',
type:0,
children:[{
title:'1-1',
key:'1-1',
type:0,
}]
},{
title:'2',
key:'2',
type:0,
children:[]
},{
title:'3',
key:'3',
type:0,
children:[{
title:'3-1',
key:'3',
type:0,
}]
},{
title:'4',
key:'4',
type:1,
children:[]
}]
// 过滤出数组type==0的数据
let sul=that.recursiveFilter(arr,0)
/*** 递归过滤嵌套数组(树形结构)
* @param arr {Array}要过滤的原始数据
* @param type {Boolean} 你要过滤的关键词
*
*/
recursiveFilter(arr,type){
let data=arr.filter(item=> item.type==type).map((item)=>{
item=Object.assign({},item)
if(item.children){
//递归循环
item.children=that.recursiveFilter(item.children,type)
}
return item
})
return data
},
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