时间:2021-07-01 10:21:17 帮助过:4人阅读
3var data = db.Queryable<Student>()4 .Select(f => new5 {6 f.ID,7 f.Name8 }).ToList();9/*10生成SQL:11SELECT [ID] AS [ID] , [Name] AS [Name] FROM [Student] 12其它数据库类似, 不一一列举13*/三: 返回单个列集合
//返回值为List<string>
List<string> data = db.Queryable<Student>().Select(f => f.Name).ToList();
/*
生成SQL:
SELECT [Name] FROM [Student]
其它数据库类似, 不一一列举
*/ 1三: 返回单个列集合23//返回值为List<string>4List<string> data = db.Queryable<Student>().Select(f => f.Name).ToList();5/*6生成SQL:7SELECT [Name] FROM [Student] 8其它数据库类似, 不一一列举9*/SqlSugar 查询指定列 返回指定列 查特定的列节约资源加快速度
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