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1.winform用法: nuget安装autofac var service = container.Resolve<UserService>(); //解析;并没有实例化new UserService也没有传入构造函数参数,autofac自动注入了 if (service!=null) { va 阅读全文
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要实现join字符串 select * FROM table1 as t1 right join (select '1,2,3,4,5' as t) as tt on t1.Id=tt.t 则需要分割字符串为数组,以下为实现的分割字符串函数split split函数及使用示例: select * F 阅读全文
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/* 获取字符串数组的 Table www.cnblogs.com/xqhppt/p/4377757.html*/ if exists (select 1 from sysobjects where id = object_id('split' )) drop Function splitgoCRE 阅读全文
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1.安装 mysql connector net 6.9.9 https://dev.mysql.com/downloads/file/?id=463758 和mysql for visual studio 1.2.6 2.nuget安装 Install-Package MySql.Data.Ent 阅读全文