/// <summary>
/// 将数据插入表
/// </summary>
/// <param name="M">赋值后的实体</param>
/// <returns></returns>
public static void Insert(UserClassRelation M)
{
IDbHelper Sql = GetHelper();
StringBuilder sb = new StringBuilder();
sb.Append("insert into [UserClassRelation]([UserID],[ClassID]) values(");
sb.Append(M.UserID.ToS());
sb.Append(",");
sb.Append(M.ClassID.ToS());
sb.Append(")");
if (DataBase.CmsDbType == DataBase.DbType.SqlServer)
{
sb.Append(";select @@Identity");
}
if (DataBase.CmsDbType == DataBase.DbType.SQLite)
{
sb.Append(";select last_insert_rowid()");
}
if (DataBase.CmsDbType == DataBase.DbType.MySql)
{
sb.Append(";select LAST_INSERT_ID()");
}
if (DataBase.CmsDbType == DataBase.DbType.Access)
{
sb.Append(";select max(ID) from UserClassRelation");
}
if (DataBase.CmsDbType == DataBase.DbType.Oracle)
{
sb.Append(";select LAST_INSERT_ID()");
}
M.ID = Sql.ExecuteScalar(CommandType.Text, sb.ToString()).ToInt32();
}
/// <summary>
/// DataTable转换为list
/// </summary>
/// <param name="dt"></param>
/// <returns></returns>
protected static List <UserClassRelation> DataTableToList(DataTable dt)
{
List <UserClassRelation> Ms = new List <UserClassRelation>();
for (int i = 0; i < dt.Rows.Count; i++)
{
UserClassRelation M = new UserClassRelation();
M.ID = dt.Rows[i]["ID"].ToInt32();
M.UserID = dt.Rows[i]["UserID"].ToInt32();
M.ClassID = dt.Rows[i]["ClassID"].ToInt32();
Ms.Add(M);
}
return(Ms);
}
/// <summary>
/// 根据条件语句取得第一个实体
/// </summary>
/// <param name="m_where">条件语句，不包含“where”</param>
/// <returns></returns>
public static UserClassRelation Find(string m_where)
{
IDbHelper Sql = GetHelper();
UserClassRelation M = new UserClassRelation();
DbDataReader Rs = Sql.ExecuteReader(CommandType.Text, "select [ID],[UserID],[ClassID] from [UserClassRelation] where " + m_where, true);
if (!Rs.Read())
{
M.ID = 0;
}
else
{
M.ID = Rs["ID"].ToInt32();
M.UserID = Rs["UserID"].ToInt32();
M.ClassID = Rs["ClassID"].ToInt32();
}
Rs.Close();
Rs = null;
return(M);
}
/// <summary>
/// 将修改过的实体修改到数据库
/// </summary>
/// <param name="M">赋值后的实体</param>
/// <returns></returns>
public static int Update(UserClassRelation M)
{
IDbHelper Sql = GetHelper();
StringBuilder sb = new StringBuilder();
sb.Append("update [UserClassRelation] set ");
sb.Append("[UserID]=" + M.UserID.ToS());
sb.Append(",");
sb.Append("[ClassID]=" + M.ClassID.ToS());
sb.Append(" where ID='" + M.ID + "'");
sb.Append("");
if (DataBase.CmsDbType == DataBase.DbType.SqlServer)
{
sb.Append(";select @@ROWCOUNT");
}
if (DataBase.CmsDbType == DataBase.DbType.SQLite)
{
sb.Append(";select 0");
}
if (DataBase.CmsDbType == DataBase.DbType.MySql)
{
sb.Append(";SELECT ROW_COUNT()");
}
if (DataBase.CmsDbType == DataBase.DbType.Access)
{
sb.Append(";select 0");
}
if (DataBase.CmsDbType == DataBase.DbType.Oracle)
{
sb.Append(";select SQL%ROWCOUNT");
}
return(Sql.ExecuteScalar(CommandType.Text, sb.ToString()).ToInt32());
}
public static UserClassRelation CreateUserClassRelation(int id)
{
UserClassRelation userClassRelation = new UserClassRelation();
userClassRelation.ID = id;
return userClassRelation;
}
public void AddToUserClassRelation(UserClassRelation userClassRelation)
{
base.AddObject("UserClassRelation", userClassRelation);
}
