/// <summary>
/// 创建DeleteSQL，给定ID号
/// </summary>
/// <param name="model">Model实例</param>
/// <param name="id">ID</param>
/// <returns>SQL文</returns>
public string CreateSQLForDeleteByInt64ID(object paramModel, Int64 paramId)
{
MDOperate mo = new MDOperate();
string shortName = DALConst.SPACE + mo.GetPKName(paramModel) + DALConst.EQUAL;
string condition = DALConst.SQLKEY_WHERE + shortName + paramId.ToString();
return(CreateSQLForDeleteByCondition(paramModel, condition));
}
/// <summary>
/// 创建UpdateSQL，给定ID号
/// </summary>
/// <param name="model">Model实例（注：只根据已赋值的字段创建SQL文）</param>
/// <param name="id">ID</param>
/// <returns>SQL文</returns>
public string CreateSQLForUpdateByStrID(object paramModel, string paramId)
{
MDOperate mo = new MDOperate();
string shortName = DALConst.SPACE + mo.GetPKName(paramModel) + DALConst.EQUAL;
string condition = DALConst.SQLKEY_WHERE + shortName + DALConst.SING_LEQUOTES + paramId.ToString() + DALConst.SING_LEQUOTES;
return(CreateSQLForUpdateByCondition(paramModel, condition));
}
/// <summary>
/// 根据TBModel内已赋值的ID和版本号，创建DeleteSQL
/// </summary>
/// <param name="model">Model实例</param>
/// <returns>SQL文</returns>
public string CreateSQLForDeleteByIDAndVersionNo(object paramModel)
{
//表名
string tableName = paramModel.GetType().Name.Substring(3);
MDOperate mdOperate = new MDOperate();
//取已赋值的属性作为参数，过滤掉翻页相关属性（RecordCount、PageIndex、PageSize）
List <ComMDAttribute> param = mdOperate.GetPropertyListFormatValueFOPageProperty(paramModel);
StringBuilder strCondition = new StringBuilder();
string id = mdOperate.GetPKName(paramModel);
foreach (ComMDAttribute comDAttribute in param)
{
if (id.Equals(comDAttribute.Name))
{
#region ID
if (!strCondition.ToString().Contains(DALConst.SQLKEY_WHERE))
{
strCondition.Append(DALConst.SQLKEY_WHERE + DALConst.SPACE + id + DALConst.EQUAL + comDAttribute.Value);
}
else
{
strCondition.Append(DALConst.SQLKEY_AND + id + DALConst.EQUAL + comDAttribute.Value);
}
#endregion
}
else if (DALConst.VERSION_NO.Equals(comDAttribute.Name.Substring(comDAttribute.Name.IndexOf(DALConst.ULINE) + 1)))
{
#region VersionNo
if (!strCondition.ToString().Contains(DALConst.SQLKEY_WHERE))
{
strCondition.Append(DALConst.SQLKEY_WHERE + DALConst.SPACE + comDAttribute.Name + DALConst.EQUAL + comDAttribute.Value);
}
else
{
strCondition.Append(DALConst.SQLKEY_AND + comDAttribute.Name + DALConst.EQUAL + comDAttribute.Value);
}
#endregion
}
}
StringBuilder strB = new StringBuilder();
strB.AppendLine(DALConst.SQLKEY_DELETE + DALConst.SQLKEY_FROM);
//表名
strB.AppendLine(tableName);
//条件
strB.AppendLine(strCondition.ToString());
return(strB.ToString());
}
/// <summary>
/// 创建InsertSQL
/// </summary>
/// <param name="model">Model实例（注：只根据已赋值的字段创建SQL文）</param>
/// <returns>SQL文</returns>
public string CreateSQLForInsert(object paramModel)
{
//表名
string tableName = paramModel.GetType().Name.Substring(3);
MDOperate mdOperate = new MDOperate();
//取已赋值的属性作为参数,过滤掉翻页相关属性（RecordCount、PageIndex、PageSize）
List <ComMDAttribute> param = mdOperate.GetPropertyListFormatValueFOPageProperty(paramModel);
StringBuilder strB = new StringBuilder();
StringBuilder strBCol = new StringBuilder();
StringBuilder strBValue = new StringBuilder();
foreach (ComMDAttribute attribute in param)
{
strBCol.AppendLine(attribute.Name + DALConst.COM_MA);
strBValue.AppendLine(attribute.Value + DALConst.COM_MA);
if (DALConst.VERSION_NO.Equals(attribute.Name.Substring(attribute.Name.IndexOf(DALConst.ULINE) + 1)))
{
//版本号=1（返回给调用方法）
attribute.Value = 1;
}
}
//去除最后一个逗号
strBCol = strBCol.Remove(strBCol.Length - 3, 3);
strBValue = strBValue.Remove(strBValue.Length - 3, 3);
strB.AppendLine(DALConst.SQLKEY_INSERT_INTO);
//表名
strB.AppendLine(tableName);
//(
strB.AppendLine(DALConst.LEFT_PARENTHESIS);
//列名
strB.AppendLine(strBCol.ToString());
//)
strB.AppendLine(DALConst.RIGHT_PARENTHESIS);
strB.AppendLine(DALConst.SQLKEY_VALUES);
//(
strB.AppendLine(DALConst.LEFT_PARENTHESIS);
//列值
strB.AppendLine(strBValue.ToString());
//)
strB.AppendLine(DALConst.RIGHT_PARENTHESIS);
return(strB.ToString());
}
/// <summary>
/// 创建InsertSQL（含返回新插入的自增字段的值）
/// </summary>
/// <param name="model">Model实例（注：只根据已赋值的字段创建SQL文）</param>
/// <returns>SQL文</returns>
public string CreateSQLForInsertOutIdentity(object paramModel)
{
//表名
string tableName = paramModel.GetType().Name.Substring(3);
MDOperate mdOperate = new MDOperate();
//取已赋值的属性作为参数，过滤掉翻页相关属性（RecordCount、PageIndex、PageSize）
List <ComMDAttribute> param = mdOperate.GetPropertyListFormatValueFOPageProperty(paramModel);
StringBuilder strB = new StringBuilder();
StringBuilder strBCol = new StringBuilder();
StringBuilder strBValue = new StringBuilder();
foreach (ComMDAttribute ComMDAttribute in param)
{
strBCol.AppendLine(ComMDAttribute.Name + DALConst.COM_MA);
strBValue.AppendLine(ComMDAttribute.Value + DALConst.COM_MA);
}
//去除最后一个逗号
strBCol = strBCol.Remove(strBCol.Length - 3, 3);
strBValue = strBValue.Remove(strBValue.Length - 3, 3);
strB.AppendLine(DALConst.SQLKEY_INSERT_INTO);
//表名
strB.AppendLine(tableName);
//(
strB.AppendLine(DALConst.LEFT_PARENTHESIS);
//列名
strB.AppendLine(strBCol.ToString());
//)
strB.AppendLine(DALConst.RIGHT_PARENTHESIS);
strB.AppendLine(DALConst.SQLKEY_VALUES);
//(
strB.AppendLine(DALConst.LEFT_PARENTHESIS);
//列值
strB.AppendLine(strBValue.ToString());
//)
strB.AppendLine(DALConst.RIGHT_PARENTHESIS);
//SELECT @@IDENTITY
strB.AppendLine(DALConst.SQLKEY_SELECT_IDENTITY);
return(strB.ToString());
}
/// <summary>
/// 创建UpdateSQL，给定WHERE条件语句
/// </summary>
/// <param name="model">Model实例（注：只根据已赋值的字段创建SQL文）</param>
/// <param name="condition">条件(例："WHERE ID=1")</param>
/// <returns>SQL文</returns>
public string CreateSQLForUpdateByCondition(object paramModel, string paramCondition)
{
//表名
string tableName = paramModel.GetType().Name.Substring(3);
MDOperate mdOperate = new MDOperate();
//取已赋值的属性作为参数，过滤掉翻页相关属性（RecordCount、PageIndex、PageSize）
List <ComMDAttribute> param = mdOperate.GetPropertyListFormatValueFOPageProperty(paramModel);
StringBuilder strB = new StringBuilder();
StringBuilder strBCol = new StringBuilder();
string id = mdOperate.GetPKName(paramModel);
foreach (ComMDAttribute ComMDAttribute in param)
{
if (!id.Equals(ComMDAttribute.Name))
{
strBCol.AppendLine(ComMDAttribute.Name + DALConst.EQUAL + ComMDAttribute.Value + DALConst.COM_MA);
}
//strBCol.AppendLine(ComMDAttribute.Name + SysConst.EQUAL + ComMDAttribute.Value + SysConst.ComMA);
}
//去除最后一个逗号
strBCol = strBCol.Remove(strBCol.Length - 3, 3);
strB.AppendLine(DALConst.SQLKEY_UPDATE);
//表名
strB.AppendLine(tableName);
//SET
strB.AppendLine(DALConst.SQLKEY_SET);
//列名
strB.AppendLine(strBCol.ToString());
//条件
strB.AppendLine(paramCondition);
return(strB.ToString());
}
/// <summary>
/// 根据TBModel内已赋值的ID和版本号，创建UpdateSQL
/// </summary>
/// <param name="model">Model实例（注：只根据已赋值的字段创建SQL文）</param>
/// <returns>SQL文</returns>
public string CreateSQLForUpdateByIDAndVersionNo(object paramModel)
{
//表名
string tableName = paramModel.GetType().Name.Substring(3);
MDOperate mdOperate = new MDOperate();
//取已赋值的属性作为参数，过滤掉翻页相关属性（RecordCount、PageIndex、PageSize）
List <ComMDAttribute> param = mdOperate.GetPropertyListFormatValueFOPageProperty(paramModel);
StringBuilder strB = new StringBuilder();
StringBuilder strBCol = new StringBuilder();
StringBuilder strCondition = new StringBuilder();
string id = mdOperate.GetPKName(paramModel);
foreach (ComMDAttribute attribute in param)
{
if (!id.Equals(attribute.Name) &&
!DALConst.VERSION_NO.Equals(attribute.Name.Substring(attribute.Name.IndexOf(DALConst.ULINE) + 1)))
{
strBCol.AppendLine(attribute.Name + DALConst.EQUAL + attribute.Value + DALConst.COM_MA);
}
else if (id.Equals(attribute.Name))
{
#region ID
if (!strCondition.ToString().Contains(DALConst.SQLKEY_WHERE))
{
strCondition.Append(DALConst.SQLKEY_WHERE + DALConst.SPACE + id + DALConst.EQUAL + attribute.Value);
}
else
{
strCondition.Append(DALConst.SQLKEY_AND + id + DALConst.EQUAL + attribute.Value);
}
#endregion
}
else if (DALConst.VERSION_NO.Equals(attribute.Name.Substring(attribute.Name.IndexOf(DALConst.ULINE) + 1)))
{
#region VersionNo
//版本号为空的场合
if (attribute.Value == null)
{
//版本号=版本号+1
strBCol.AppendLine(attribute.Name + DALConst.EQUAL + attribute.Name + DALConst.INT_TYPE_FLG + DALConst.COM_MA);
}
//版本号不为空的场合
else
{
//版本号=当前值+1
strBCol.AppendLine(attribute.Name + DALConst.EQUAL + Convert.ToString(Convert.ToInt64(attribute.Value) + 1) + DALConst.COM_MA);
if (!strCondition.ToString().Contains(DALConst.SQLKEY_WHERE))
{
strCondition.Append(DALConst.SQLKEY_WHERE + DALConst.SPACE + attribute.Name + DALConst.EQUAL + attribute.Value);
}
else
{
strCondition.Append(DALConst.SQLKEY_AND + attribute.Name + DALConst.EQUAL + attribute.Value);
}
//版本号+1（返回给调用方法）
attribute.Value = Convert.ToInt64(attribute.Value) + 1;
}
#endregion
}
}
//去除最后一个逗号
strBCol = strBCol.Remove(strBCol.Length - 3, 3);
strB.AppendLine(DALConst.SQLKEY_UPDATE);
//表名
strB.AppendLine(tableName);
//SET
strB.AppendLine(DALConst.SQLKEY_SET);
//列名
strB.AppendLine(strBCol.ToString());
//条件
strB.AppendLine(strCondition.ToString());
return(strB.ToString());
}
