/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(WK.Model.sys_sequence model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update sys_sequence set ");
strSql.Append("value=@value");
strSql.Append(" where sequence_name=@sequence_name ");
MySqlParameter[] parameters =
{
new MySqlParameter("@value", MySqlDbType.Int32, 11),
new MySqlParameter("@sequence_name", MySqlDbType.VarChar, 200)
};
parameters[0].Value = model.value;
parameters[1].Value = model.sequence_name;
int rows = DbHelperMySQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public bool Add(WK.Model.sys_sequence model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into sys_sequence(");
strSql.Append("sequence_name,value)");
strSql.Append(" values (");
strSql.Append("@sequence_name,@value)");
MySqlParameter[] parameters =
{
new MySqlParameter("@sequence_name", MySqlDbType.VarChar, 200),
new MySqlParameter("@value", MySqlDbType.Int32, 11)
};
parameters[0].Value = model.sequence_name;
parameters[1].Value = model.value;
int rows = DbHelperMySQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public WK.Model.sys_sequence DataRowToModel(DataRow row)
{
WK.Model.sys_sequence model = new WK.Model.sys_sequence();
if (row != null)
{
if (row["sequence_name"] != null)
{
model.sequence_name = row["sequence_name"].ToString();
}
if (row["value"] != null && row["value"].ToString() != "")
{
model.value = int.Parse(row["value"].ToString());
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public WK.Model.sys_sequence GetModel(string sequence_name)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select sequence_name,value from sys_sequence ");
strSql.Append(" where sequence_name=@sequence_name ");
MySqlParameter[] parameters =
{
new MySqlParameter("@sequence_name", MySqlDbType.VarChar, 200)
};
parameters[0].Value = sequence_name;
WK.Model.sys_sequence model = new WK.Model.sys_sequence();
DataSet ds = DbHelperMySQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}