记录linq.js神器之gorup by 多个字段的方法-白红宇

记录linq.js神器之gorup by 多个字段的方法

阅读量：4692 次

发布时间：2019-06-09

本文共 2741 字，大约阅读时间需要 9 分钟。

1 //数据源 2 var dataSource = [{ 3 "imgUrl": "https://xxxxx/babel/jfs/t10471/26/2498586860/80931/cb688812/59f7eb8aN5fa580e0.jpg", 4 "resourceBaseType": 3, 5 "resourceBaseCode": "5747502", 6 "purchasingQuantity": 1, 7 "resourceBaseName": "阳光照明led球泡灯泡2.8W节能灯E27螺口黄光3000K（十只装）", 8 "unitPrice": 59, 9 "isAddedInvoice": true,10  "isAccountPeriod": true,11  "is7ToReturn": true,12  "belongUserId": 281,13  "belongMemberId": 101,14  "supplierName": "",15  "errorMsg": "",16  "id": 57022117  },18  {19  "imgUrl": "https://xxxx/babel/jfs/t10471/26/2498586860/80931/cb688812/59f7eb8aN5fa580e0.jpg",20  "resourceBaseType": 3,21  "resourceBaseCode": "5747502",22  "purchasingQuantity": 1,23  "resourceBaseName": "阳光照明led球泡灯泡2.8W节能灯E27螺口黄光3000K（十只装）",24  "unitPrice": 59,25  "isAddedInvoice": true,26  "isAccountPeriod": true,27  "is7ToReturn": true,28  "belongUserId": 281,29  "belongMemberId": 101,30  "supplierName": "",31  "errorMsg": "",32  "id": 57022133  }34  ]35 36  //linq先按照供应商分组，然后再获取供应商的商品数据37  var supplierGroupArray = Enumerable38 .from(checkedResources)39 .groupBy(40  "{UserId:$.belongUserId,MemberId:$.belongMemberId,Name:$.supplierName}",41  null,42  "{belongUserId:$.UserId,belongMemberId:$.MemberId,supplierName:$.Name,resourceLists: $$.toArray()}",43  "$.UserId + $.MemberId + $.Name")44 .toArray();45 46 47 //group by 之后的结果集48 49 [{50     "belongUserId": 281,51     "belongMemberId": 101,52     "supplierName": "",53     "resourceLists": [{54         "imgUrl": "https://xxxxxx/babel/jfs/t10471/26/2498586860/80931/cb688812/59f7eb8aN5fa580e0.jpg",55         "resourceBaseType": 3,56         "resourceBaseCode": "5747502",57         "purchasingQuantity": "1",58         "resourceBaseName": "阳光照明led球泡灯泡2.8W节能灯E27螺口黄光3000K（十只装）",59         "unitPrice": 59,60         "isAddedInvoice": true,61         "isAccountPeriod": true,62         "is7ToReturn": true,63         "belongUserId": 281,64         "belongMemberId": 101,65         "supplierName": "",66         "errorMsg": "",67         "id": 57022168     }, {69         "imgUrl": "https://xxxx/babel/jfs/t16339/157/1451930239/33640/8e3a8afc/5a5476b1N7d93b255.jpg",70         "resourceBaseType": 3,71         "resourceBaseCode": "5617370",72         "purchasingQuantity": "1",73         "resourceBaseName": "美的（Midea） LED灯泡 蜡烛尖泡 3W E14小螺口 3000K 暖白色  单只装 金色",74         "unitPrice": 14.9,75         "isAddedInvoice": true,76         "isAccountPeriod": true,77         "is7ToReturn": true,78         "belongUserId": 281,79         "belongMemberId": 101,80         "supplierName": "",81         "errorMsg": "",82         "id": 57021483     }]84 }] 参考连接：https://stackoverflow.com/questions/26095424/linq-js-group-by-two-properties-fields

转载于:https://www.cnblogs.com/meijunzhang/p/8675151.html

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