//两个list合并处理 /unreadMsgList = unreadMsgList.Union(list).ToList(); //合并处理[MsgCount] unreadMsgList.ForEach(c => { var group = unreadMsgList.Where ...
var groupedLATABLEList list .GroupBy u gt u.Type .Select grp gt new Key grp.Key, List grp.ToList .ToList ...
2018-10-10 14:34 0 991 推荐指数:
//两个list合并处理 /unreadMsgList = unreadMsgList.Union(list).ToList(); //合并处理[MsgCount] unreadMsgList.ForEach(c => { var group = unreadMsgList.Where ...
LINQ操作List<T>主要包括: 1.筛选 2.拼接 3.分组统计 4.分组拼接 ...
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//分组 8个为一组 List<List<string>> ArrayList = sArray.Select((x, i) => new { Index = i, Value = x }) .GroupBy(x => x.Index ...
mark一下 对list集合进行分组 ...
groupArr(list: Array<any>, field: string) { var fieldList: Set<string> = new Set(), att = []; list.map(e => ...
实体类 必须重写equals和hashCode方法 工具类 使用 ...
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