/// <summary>
/// 增加一条数据
/// </summary>
public int Add(SmartTeaching.Entity.Base_User model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into Base_User(");
strSql.Append("UserName,Userpwd,RoleId");
strSql.Append(") values (");
strSql.Append("@UserName,@Userpwd,@RoleId");
strSql.Append(") ");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@UserName", SqlDbType.VarChar, 50),
new SqlParameter("@Userpwd", SqlDbType.VarChar, 32),
new SqlParameter("@RoleId", SqlDbType.Int, 4)
};
parameters[0].Value = model.UserName;
parameters[1].Value = model.Userpwd;
object obj = SqlServerHelper.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(SmartTeaching.Entity.Base_User model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update Base_User set ");
strSql.Append(" UserName = @UserName , ");
strSql.Append(" Userpwd = @Userpwd ");
strSql.Append(" RoleId = @RoleId ");
strSql.Append(" where UserId=@UserId ");
SqlParameter[] parameters =
{
new SqlParameter("@UserId", SqlDbType.Int, 4),
new SqlParameter("@UserName", SqlDbType.VarChar, 50),
new SqlParameter("@RoleId", SqlDbType.Int, 4),
new SqlParameter("@Userpwd", SqlDbType.VarChar, 32)
};
parameters[0].Value = model.UserId;
parameters[1].Value = model.UserName;
parameters[2].Value = model.Userpwd;
int rows = SqlServerHelper.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public SmartTeaching.Entity.Base_User GetModel(int UserId)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select UserId, UserName, Userpwd ");
strSql.Append(" from Base_User ");
strSql.Append(" where UserId=@UserId");
SqlParameter[] parameters =
{
new SqlParameter("@UserId", SqlDbType.Int, 4)
};
parameters[0].Value = UserId;
SmartTeaching.Entity.Base_User model = new SmartTeaching.Entity.Base_User();
DataSet ds = SqlServerHelper.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["UserId"].ToString() != "")
{
model.UserId = int.Parse(ds.Tables[0].Rows[0]["UserId"].ToString());
}
model.UserName = ds.Tables[0].Rows[0]["UserName"].ToString();
model.Userpwd = ds.Tables[0].Rows[0]["Userpwd"].ToString();
return(model);
}
else
{
return(null);
}
}
