有关Entity Framework的数据模型的操作(二)业务层

public class TestUserManageBc : ITestUserManage

{

//业务层调用数据层时依赖接口，而不是直接New一个数据层对象，使用工厂模式创建对象

private readonly IData.IUserManageProvider _provider = Data.DbProvider.GetUserManageInstance();

#region 删除

public int DeleteUserById(int id)

{

return _provider.DeleteUserById(id);

}

/// <summary>

/// 删 除

/// </summary>

/// <param name="id"></param>

/// <returns></returns>

public int DeleteUser(int id)

{

int rtnNUmber;

// 根据Id删除

rtnNUmber = _provider.DeleteUserById(id);

//删除实体

//var user = _provider.LoadSysUser(id);

//if(user!=null)

//rtnNUmber = _provider.DeleteUser(user);

// //删除多条

// var users = _provider.ListUsers(new UserQuery {UserTrueName = "Anton"});

//rtnNUmber= _provider.DeleteUserRange(users);

return rtnNUmber;

}

public int DeleteRange(List<Sys_User> users)

{

return _provider.DeleteUserRange(users);

}

#endregion

#region 保存（添加已测试）

/// <summary>

/// 保 存

/// </summary>

/// <param name="user"></param>

/// <param name="message"></param>

/// <returns></returns>

public int SaveUser(Sys_User user, out string message)

{

message = null;

if (user.Id < 1)

{

#region 添加单条记录

Sys_User addUser = new Sys_User

{

UserName = user.UserName,

UserTrueName = "Anton",

Password = "",

Code = "",

CreateDate = DateTime.Now

};

var rtnUser = _provider.AddAndLoadUser(addUser);

return rtnUser.Id;

#endregion

#region 添加多条记录

/*

//添加多条记录

return _provider.AddUser(new List<Sys_User>

{

new Sys_User

{

UserName = user.UserName,

UserTrueName = "Anton",

Password = "",

Code = "",

CreateDate = DateTime.Now

},new Sys_User

{

UserName = user.UserName+"22",

UserTrueName = "Antoneee",

Password = "",

Code = "",

CreateDate = DateTime.Now

}

});

*/

#endregion

}

return 0;

}

public Sys_User AddUserAndLoaduser(Sys_User user)

{

return _provider.LoadSysUser(user.Id);

}

#endregion

#region 查询

/// <summary>

/// 列 表

/// </summary>

/// <param name="userQuery"></param>

/// <returns></returns>

public List<Sys_User> ListUsers(UserQuery userQuery)

{

return _provider.ListUsers(userQuery);

// return _provider.ListUsersBySql(userQuery);

}

/// <summary>

/// 总记录数

/// </summary>

/// <returns></returns>

public int GetCheckInTotail()

{

return _provider.GetCheckInTotail();

}

/// <summary>

/// 单条记录

/// </summary>

/// <param name="id"></param>

/// <returns></returns>

public Sys_User LoadSysUser(int id)

{

return _provider.LoadSysUser(id);

}

#endregion

#region 修改

public int UpdateUserAll(Sys_User user)

{

return _provider.UpdateUserAll(user);

}

public int UpdateUserPart(Sys_User user)

{

//

return _provider.UpdateUserPart(o=>new Sys_User{Id=user.Id, Code = user.Code,PreIpAddress = user.PreIpAddress});

}

public int Update(UserQuery filter, Sys_User user)

{

return _provider.Update(o =>o.Password.EndsWith("DDD"),o=>new Sys_User{Code = user.Code});

}

#endregion

public int ChangeUserStateById(int id)

{

return _provider.ChangeUserStateById(id);

}

public int ChangeUserCodeById(int id)

{

return _provider.ChangeUserCodeById(id);

}

}