/// <summary>
/// 依据参数生成一个命令对像
/// </summary>
/// <param name="SQLstring">查询语句或存储过程名</param>
/// <param name="CommandType">指示本语句是查询语句还是存储过程</param>
/// <param name="SqlParams">参数各清单,第一列是参数名，第二列是参数类型，第三列是列字长，第四列是数据源列名，第五列是返回还是输入还是其它</param>
/// <returns></returns>
private MySqlCommand CreateCommand(string SQLstring, CommandType CommandType, string[,] SqlParams)
{
myDBConvert = new TypeConvert();
MySqlCommand cmd = new MySqlCommand();
cmd.Connection = this.conn;
if (inTransaction)
{
cmd.Transaction = trans;
}
cmd.CommandType = CommandType;
cmd.CommandText = SQLstring;
if (SqlParams != null)
{
int length = SqlParams.GetLength(0);
for (int i = 0; i < length; i++)
{
if (SqlParams[i, 2] == "")
{
cmd.Parameters.Add(SqlParams[i, 0], myDBConvert.ConvertSqlDB(SqlParams[i, 1]));
}
else
{
cmd.Parameters.Add(SqlParams[i, 0], myDBConvert.ConvertMySqlDB(SqlParams[i, 1]), int.Parse(SqlParams[i, 2]), SqlParams[i, 3]);
}
}
}
return(cmd);
}
/// <summary>
/// 依据参数生成一个命令对像
/// </summary>
/// <param name="SQLstring">查询语句或存储过程名</param>
/// <param name="CommandType">指示本语句是查询语句还是存储过程</param>
/// <param name="SqlParams">参数各清单,第一列是参数名，第二列是参数类型，第三列是列字长，第四列是数据源列名，第五列是返回还是输入还是其它</param>
/// <param name="values">参数的值</param>
/// <returns></returns>
private MySqlCommand CreateCommand(string SQLstring, CommandType CommandType, string[,] SqlParams, object[] values)
{
myDBConvert = new TypeConvert();
MySqlCommand cmd = new MySqlCommand();
cmd.Connection = this.conn;
if (inTransaction)
{
cmd.Transaction = trans;
}
if ((SqlParams != null) && (SqlParams.GetLength(0) != values.Length))
{
throw new Exception("查询的参数与参数值的数量不一致！");
}
cmd.CommandType = CommandType;
cmd.CommandText = SQLstring;
if (SqlParams != null && values != null)
{
int length = SqlParams.GetLength(0);
for (int i = 0; i < length; i++)
{
if (SqlParams[i, 2] == "")
{
cmd.Parameters.Add(SqlParams[i, 0], myDBConvert.ConvertSqlDB(SqlParams[i, 1]));
}
else
{
cmd.Parameters.Add(SqlParams[i, 0], myDBConvert.ConvertMySqlDB(SqlParams[i, 1]), int.Parse(SqlParams[i, 2]),
(SqlParams[i, 3] == ""?SqlParams[i, 0].Replace("@", ""):SqlParams[i, 3]));
}
if (SqlParams[i, 4] == "Output")
{
cmd.Parameters[SqlParams[i, 0]].Direction = ParameterDirection.Output;
}
else
{
cmd.Parameters[SqlParams[i, 0]].Value = values[i];
}
}
}
return(cmd);
}