javascript 对后台返回的数据进行分类
Posted wjs0509
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模拟后台返回的数据为：
var arr = [ personName:"张三",id:1,age:12,gender:"male", personName:"张三",id:1,age:12,gender:"male", personName:"张三",id:1,age:12,gender:"male", personName:"李四",id:1,age:12,gender:"male", personName:"李四",id:1,age:12,gender:"male", personName:"李四",id:1,age:12,gender:"male", personName:"王五",id:1,age:12,gender:"male", personName:"王五",id:1,age:12,gender:"male", personName:"王五",id:1,age:12,gender:"male" ]
对数据处理的方法为：（对personName来进行分类）
var nList = []; for (var i = 0; i < arr.length; i++) if (nList.length == 0) nList.push( personName: arr[i].personName, data: [arr[i]] ) else var index = nList.findIndex(item => item.personName == arr[i].personName); if (index >= 0) nList[index].data.push(arr[i]) else nList.push( personName: arr[i].personName, data: [arr[i]] )
对数据处理后的结构为：
[ "personName":"张三", "data":[ "personName":"张三", "id":1, "age":12, "gender":"male" , "personName":"张三", "id":1, "age":12, "gender":"male" , "personName":"张三", "id":1, "age":12, "gender":"male" ] , "personName":"李四", "data":[ "personName":"李四", "id":1, "age":12, "gender":"male" , "personName":"李四", "id":1, "age":12, "gender":"male" , "personName":"李四", "id":1, "age":12, "gender":"male" ] , "personName":"王五", "data":[ "personName":"王五", "id":1, "age":12, "gender":"male" , "personName":"王五", "id":1, "age":12, "gender":"male" , "personName":"王五", "id":1, "age":12, "gender":"male" ] ]
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