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增加:insert into 数据表(字段1,字段2,字段3) values(值1,值2,值3) 修改:update 数据表 set 字段1=值1,字段2=值2 where id=接收到的ID参数 删除:delete from 数据表 where id=接收到的ID参数 看看上面的session := engine.NewSession()defer session.Close()// add Begin() before any actionerr := session.Begin()user1 := Userinfo{Username: "xiaoxiao", Departname: "dev", Alias: "lunny", Created: time.Now()}_, err = session.Insert(&user1)if err != nil {session.Rollback()return}user2 := Userinfo{Username: "yyy"}_, err = session.Where("id = ?", 2).Update(&user2)if err != nil {session.Rollback()return} _, err = session.Exec("delete from userinfo where username = ?", user2.Username)if err != nil {session.Rollback()return} // add Commit() after all actionserr = session.Commit()if err != nil {return}
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qt中怎么连接mysql数据库
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