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namespace Tiobon.Core.Common
{
public class DbSelect
{
#region 属性
private string tableNames;
private string primaryTableAlias;
private string companyId;
private string selectItems;
private string whereCondition;
private string orderBy;
private string groupBy;
private bool isInitDefaultValue = true;
/// <summary>
/// 是否初始化默认查询条件,如COMPANY_ID等
/// </summary>
public bool IsInitDefaultValue
{
get
{
return isInitDefaultValue;
}
set { isInitDefaultValue = value; }
}
#endregion
#region 构造函数
public DbSelect(string tableNames, string primaryTableAlias, string companyId)
{
this.tableNames = tableNames;
this.primaryTableAlias = primaryTableAlias;
this.companyId = companyId;
}
public DbSelect(string tableNames, string primaryTableAlias)
{
this.tableNames = tableNames;
this.primaryTableAlias = primaryTableAlias;
this.companyId = null;
}
#endregion
#region Select
/// <summary>
/// 解密查询
/// </summary>
/// <param name="selectItem"></param>
public void SelectSecurity(string selectItem)
{
string aliasName = selectItem.Substring(selectItem.IndexOf(".") + 1);
this.selectItems += "cast(decryptbykey(" + selectItem + ") AS NVARCHAR(256))" + " AS " + aliasName + ",";
}
/// <summary>
/// 解密查询
/// </summary>
/// <param name="selectItem"></param>
/// <param name="aliasName"></param>
public void SelectSecurity(string selectItem, string aliasName)
{
this.selectItems += "cast(decryptbykey(" + selectItem + ") AS NVARCHAR(256))" + " AS " + aliasName + ",";
}
/// <summary>
/// 对加密字段求和
/// </summary>
/// <param name="selectItem"></param>
public void SelectSecuritySum(string selectItem)
{
string aliasName = selectItem.Substring(selectItem.IndexOf(".") + 1);
this.selectItems += "isnull(sum(cast (cast(decryptbykey(" + selectItem + ") AS NVARCHAR(256)) as decimal(20,6))),0)" + " AS " + aliasName + ",";
}
/// <summary>
/// 对加密字段求和
/// </summary>
/// <param name="selectItem"></param>
/// <param name="aliasName"></param>
public void SelectSecuritySum(string selectItem, string aliasName)
{
this.selectItems += "isnull(sum(cast (cast(decryptbykey(" + selectItem + ") AS NVARCHAR(256)) as decimal(20,6))),0)" + " AS " + aliasName + ",";
}
public void Select(string selectItems)
{
this.selectItems += selectItems + ",";
}
public void Select(string selectItem, string aliasName)
{
this.selectItems += selectItem + " AS " + aliasName + ",";
}
public void Select(string selectItem, string aliasName, DateFormat dateFormat)
{
string tempValue = string.Empty;
switch (dateFormat)
{
case DateFormat.Month:
{
tempValue = "DBO.TO_CHAR(" + selectItem + ",'YYYY/MM')" + " AS " + aliasName + ",";
break;
}
case DateFormat.Day:
{
tempValue = "DBO.TO_CHAR(" + selectItem + ",'YYYY/MM/DD')" + " AS " + aliasName + ",";
break;
}
case DateFormat.Hour:
{
tempValue = "DBO.TO_CHAR(" + selectItem + ",'YYYY/MM/DD HH24')" + " AS " + aliasName + ",";
break;
}
case DateFormat.Minute:
{
tempValue = "DBO.TO_CHAR(" + selectItem + ",'YYYY/MM/DD HH24:MI')" + " AS " + aliasName + ",";
break;
}
case DateFormat.Second:
{
tempValue = "DBO.TO_CHAR(" + selectItem + ",'YYYY/MM/DD HH24:MI:SS')" + " AS " + aliasName + ",";
break;
}
}
this.selectItems += tempValue;
}
private string GetInternalSelect()
{
string result;
if (string.IsNullOrEmpty(this.selectItems))
{
result = "*";
}
else
{
result = this.selectItems.Substring(0, this.selectItems.Length - 1);
}
return result;
}
/// <summary>
/// 返回SQL的SELECT部分,如:SELECT *
/// </summary>
/// <returns></returns>
public string GetSelect()
{
string result;
if (string.IsNullOrEmpty(this.selectItems))
{
result = "*";
}
else
{
result = this.selectItems.Substring(0, this.selectItems.Length - 1);
}
return "SELECT " + result;
}
#endregion
#region Where
public void Where(string whereCondition)
{
this.whereCondition += whereCondition + " AND ";
}
public void Where(string whereCondition, params string[] args)
{
this.whereCondition += string.Format(whereCondition, args) + " AND ";
}
public void Where(string whereCondition, DateTime fieldValue)
{
string tempFieldValue = Convert.ToString(fieldValue);
tempFieldValue = tempFieldValue.Replace("'", "''");
//if (IsOracle)
//{
// whereCondition = string.Format(whereCondition, "TO_DATE('{0}','YYYY/MM/DD HH24:MI:SS')");
//}
//else
//{
// //whereCondition = string.Format(whereCondition, "DBO.TO_DATE('{0}','YYYY/MM/DD HH24:MI:SS')");
// whereCondition = string.Format(whereCondition, "'{0}'");
//}
whereCondition = string.Format(whereCondition, "'{0}'");
whereCondition = string.Format(whereCondition, tempFieldValue);
this.whereCondition += whereCondition + " AND ";
}
public void Where(string whereCondition, DateTime fieldValue1, DateTime fieldValue2)
{
string tempFieldValue1 = Convert.ToString(fieldValue1);
tempFieldValue1 = tempFieldValue1.Replace("'", "''");
string tempFieldValue2 = Convert.ToString(fieldValue2);
tempFieldValue2 = tempFieldValue2.Replace("'", "''");
//if (IsOracle)
//{
// whereCondition = string.Format(whereCondition, "TO_DATE('{0}','YYYY/MM/DD HH24:MI:SS')", "TO_DATE('{1}','YYYY/MM/DD HH24:MI:SS')");
//}
//else
//{
// //whereCondition = string.Format(whereCondition, "DBO.TO_DATE('{0}','YYYY/MM/DD HH24:MI:SS')", "DBO.TO_DATE('{1}','YYYY/MM/DD HH24:MI:SS')");
// whereCondition = string.Format(whereCondition, "'{0}'", "'{1}'");
//}
whereCondition = string.Format(whereCondition, "'{0}'", "'{1}'");
whereCondition = string.Format(whereCondition, tempFieldValue1, tempFieldValue2);
this.whereCondition += whereCondition + " AND ";
}
public void Where(string whereCondition, DateTime fieldValue1, DateTime fieldValue2, DateTime fieldValue3)
{
string tempFieldValue1 = Convert.ToString(fieldValue1);
tempFieldValue1 = tempFieldValue1.Replace("'", "''");
string tempFieldValue2 = Convert.ToString(fieldValue2);
tempFieldValue2 = tempFieldValue2.Replace("'", "''");
string tempFieldValue3 = Convert.ToString(fieldValue3);
tempFieldValue3 = tempFieldValue3.Replace("'", "''");
//if (IsOracle)
//{
// whereCondition = string.Format(whereCondition, "TO_DATE('{0}','YYYY/MM/DD HH24:MI:SS')", "TO_DATE('{1}','YYYY/MM/DD HH24:MI:SS')", "TO_DATE('{2}','YYYY/MM/DD HH24:MI:SS')");
//}
//else
//{
// //whereCondition = string.Format(whereCondition, "DBO.TO_DATE('{0}','YYYY/MM/DD HH24:MI:SS')", "DBO.TO_DATE('{1}','YYYY/MM/DD HH24:MI:SS')", "DBO.TO_DATE('{2}','YYYY/MM/DD HH24:MI:SS')");
// whereCondition = string.Format(whereCondition, "'{0}'", "'{1}'", "'{2}'");
//}
whereCondition = string.Format(whereCondition, "'{0}'", "'{1}'", "'{2}'");
whereCondition = string.Format(whereCondition, tempFieldValue1, tempFieldValue2, tempFieldValue3);
this.whereCondition += whereCondition + " AND ";
}
public void Where(string whereCondition, DateTime fieldValue1, DateTime fieldValue2, DateTime fieldValue3, DateTime fieldValue4)
{
string tempFieldValue1 = Convert.ToString(fieldValue1);
tempFieldValue1 = tempFieldValue1.Replace("'", "''");
string tempFieldValue2 = Convert.ToString(fieldValue2);
tempFieldValue2 = tempFieldValue2.Replace("'", "''");
string tempFieldValue3 = Convert.ToString(fieldValue3);
tempFieldValue3 = tempFieldValue3.Replace("'", "''");
string tempFieldValue4 = Convert.ToString(fieldValue4);
tempFieldValue4 = tempFieldValue4.Replace("'", "''");
//if (IsOracle)
//{
// whereCondition = string.Format(whereCondition, "TO_DATE('{0}','YYYY/MM/DD HH24:MI:SS')", "TO_DATE('{1}','YYYY/MM/DD HH24:MI:SS')", "TO_DATE('{2}','YYYY/MM/DD HH24:MI:SS')", "TO_DATE('{3}','YYYY/MM/DD HH24:MI:SS')");
//}
//else
//{
// //whereCondition = string.Format(whereCondition, "DBO.TO_DATE('{0}','YYYY/MM/DD HH24:MI:SS')", "DBO.TO_DATE('{1}','YYYY/MM/DD HH24:MI:SS')", "DBO.TO_DATE('{2}','YYYY/MM/DD HH24:MI:SS')", "DBO.TO_DATE('{3}','YYYY/MM/DD HH24:MI:SS')");
// whereCondition = string.Format(whereCondition, "'{0}'", "'{1}'", "'{2}'", "'{3}'");
//}
whereCondition = string.Format(whereCondition, "'{0}'", "'{1}'", "'{2}'", "'{3}'");
whereCondition = string.Format(whereCondition, tempFieldValue1, tempFieldValue2, tempFieldValue3, tempFieldValue4);
this.whereCondition += whereCondition + " AND ";
}
public void Where(string whereCondition, DateTime fieldValue1, DateTime fieldValue2, DateTime fieldValue3, DateTime fieldValue4, DateTime fieldValue5)
{
string tempFieldValue1 = Convert.ToString(fieldValue1);
tempFieldValue1 = tempFieldValue1.Replace("'", "''");
string tempFieldValue2 = Convert.ToString(fieldValue2);
tempFieldValue2 = tempFieldValue2.Replace("'", "''");
string tempFieldValue3 = Convert.ToString(fieldValue3);
tempFieldValue3 = tempFieldValue3.Replace("'", "''");
string tempFieldValue4 = Convert.ToString(fieldValue4);
tempFieldValue4 = tempFieldValue4.Replace("'", "''");
string tempFieldValue5 = Convert.ToString(fieldValue5);
tempFieldValue5 = tempFieldValue5.Replace("'", "''");
//if (IsOracle)
//{
// whereCondition = string.Format(whereCondition, "TO_DATE('{0}','YYYY/MM/DD HH24:MI:SS')", "TO_DATE('{1}','YYYY/MM/DD HH24:MI:SS')", "TO_DATE('{2}','YYYY/MM/DD HH24:MI:SS')", "TO_DATE('{3}','YYYY/MM/DD HH24:MI:SS')", "TO_DATE('{4}','YYYY/MM/DD HH24:MI:SS')");
//}
//else
//{
// //whereCondition = string.Format(whereCondition, "DBO.TO_DATE('{0}','YYYY/MM/DD HH24:MI:SS')", "DBO.TO_DATE('{1}','YYYY/MM/DD HH24:MI:SS')", "DBO.TO_DATE('{2}','YYYY/MM/DD HH24:MI:SS')", "DBO.TO_DATE('{3}','YYYY/MM/DD HH24:MI:SS')", "DBO.TO_DATE('{4}','YYYY/MM/DD HH24:MI:SS')");
// whereCondition = string.Format(whereCondition, "'{0}'", "'{1}'", "'{2}'", "'{3}'", "'{4}'");
//}
whereCondition = string.Format(whereCondition, "'{0}'", "'{1}'", "'{2}'", "'{3}'", "'{4}'");
whereCondition = string.Format(whereCondition, tempFieldValue1, tempFieldValue2, tempFieldValue3, tempFieldValue4, tempFieldValue5);
this.whereCondition += whereCondition + " AND ";
}
public void Where(string whereCondition, DateTime fieldValue1, DateTime fieldValue2, DateTime fieldValue3, DateTime fieldValue4, DateTime fieldValue5, DateTime fieldValue6)
{
string tempFieldValue1 = Convert.ToString(fieldValue1);
tempFieldValue1 = tempFieldValue1.Replace("'", "''");
string tempFieldValue2 = Convert.ToString(fieldValue2);
tempFieldValue2 = tempFieldValue2.Replace("'", "''");
string tempFieldValue3 = Convert.ToString(fieldValue3);
tempFieldValue3 = tempFieldValue3.Replace("'", "''");
string tempFieldValue4 = Convert.ToString(fieldValue4);
tempFieldValue4 = tempFieldValue4.Replace("'", "''");
string tempFieldValue5 = Convert.ToString(fieldValue5);
tempFieldValue5 = tempFieldValue5.Replace("'", "''");
string tempFieldValue6 = Convert.ToString(fieldValue6);
tempFieldValue6 = tempFieldValue6.Replace("'", "''");
//if (IsOracle)
//{
// whereCondition = string.Format(whereCondition, "TO_DATE('{0}','YYYY/MM/DD HH24:MI:SS')", "TO_DATE('{1}','YYYY/MM/DD HH24:MI:SS')", "TO_DATE('{2}','YYYY/MM/DD HH24:MI:SS')", "TO_DATE('{3}','YYYY/MM/DD HH24:MI:SS')", "TO_DATE('{4}','YYYY/MM/DD HH24:MI:SS')", "TO_DATE('{5}','YYYY/MM/DD HH24:MI:SS')");
//}
//else
//{
// //whereCondition = string.Format(whereCondition, "DBO.TO_DATE('{0}','YYYY/MM/DD HH24:MI:SS')", "DBO.TO_DATE('{1}','YYYY/MM/DD HH24:MI:SS')", "DBO.TO_DATE('{2}','YYYY/MM/DD HH24:MI:SS')", "DBO.TO_DATE('{3}','YYYY/MM/DD HH24:MI:SS')", "DBO.TO_DATE('{4}','YYYY/MM/DD HH24:MI:SS')", "DBO.TO_DATE('{4}','YYYY/MM/DD HH24:MI:SS')");
// whereCondition = string.Format(whereCondition, "'{0}'", "'{1}'", "'{2}'", "'{3}'", "'{4}'", "'{5}'");
//}
whereCondition = string.Format(whereCondition, "'{0}'", "'{1}'", "'{2}'", "'{3}'", "'{4}'", "'{5}'");
whereCondition = string.Format(whereCondition, tempFieldValue1, tempFieldValue2, tempFieldValue3, tempFieldValue4, tempFieldValue5, tempFieldValue6);
this.whereCondition += whereCondition + " AND ";
}
public void Where(string fieldName, string condition, string fieldValue)
{
this.whereCondition += fieldName.ToUpper() + condition + "'" + fieldValue + "'" + " AND ";
}
public void Where(string fieldName, string condition, Guid fieldValue)
{
this.whereCondition += fieldName.ToUpper() + condition + "'" + fieldValue + "'" + " AND ";
}
public void Where(string fieldName, string condition, decimal fieldValue)
{
this.whereCondition += fieldName.ToUpper() + condition + fieldValue + " AND ";
}
public void Where(string fieldName, string condition, int fieldValue)
{
this.whereCondition += fieldName.ToUpper() + condition + fieldValue + " AND ";
}
public void Where(string fieldName, string condition, bool fieldValue)
{
this.whereCondition += fieldName.ToUpper() + condition + "'" + fieldValue + "'" + " AND ";
}
public void Where(string fieldName, string condition, DateTime fieldValue)
{
string tempFieldValue = Convert.ToString(fieldValue);
tempFieldValue = tempFieldValue.Replace("'", "''");
string tempValue = string.Empty;
//if (IsOracle)
//{
// tempValue = fieldName.ToUpper() + condition + "TO_DATE('{0}','YYYY/MM/DD HH24:MI:SS')" + " AND ";
//}
//else
//{
// //tempValue = fieldName.ToUpper() + condition + "DBO.TO_DATE('{0}','YYYY/MM/DD HH24:MI:SS')" + " AND ";
// tempValue = fieldName.ToUpper() + condition + "'{0}'" + " AND ";
//}
tempValue = fieldName.ToUpper() + condition + "'{0}'" + " AND ";
tempValue = string.Format(tempValue, tempFieldValue);
this.whereCondition += tempValue;
}
/// <summary>
/// 对字段解密后进行比较
/// </summary>
/// <param name="fieldName"></param>
/// <param name="condition"></param>
/// <param name="fieldValue"></param>
public void WhereSecurity(string fieldName, string condition, string fieldValue)
{
this.whereCondition += "cast(decryptbykey(" + fieldName.ToUpper() + ") AS NVARCHAR(256))" + condition + "'" + fieldValue + "'" + " AND ";
}
/// <summary>
/// 对字段解密后进行比较
/// </summary>
/// <param name="fieldName"></param>
/// <param name="condition"></param>
/// <param name="fieldValue"></param>
public void WhereSecurity(string fieldName, string condition, decimal fieldValue)
{
this.whereCondition += "cast(decryptbykey(" + fieldName.ToUpper() + ") AS NVARCHAR(256))" + condition + fieldValue + " AND ";
}
/// <summary>
/// 对字段解密后进行比较
/// </summary>
/// <param name="fieldName"></param>
/// <param name="condition"></param>
/// <param name="fieldValue"></param>
public void WhereSecurity(string fieldName, string condition, int fieldValue)
{
this.whereCondition += "cast(decryptbykey(" + fieldName.ToUpper() + ") AS NVARCHAR(256))" + condition + fieldValue + " AND ";
}
private string GetInternalWhere()
{
string result;
#region 不初始化默认值
if (IsInitDefaultValue == false)
{
if (string.IsNullOrEmpty(this.whereCondition))
{
if (string.IsNullOrEmpty(companyId))
{
result = "1=1";
}
else
{
result = primaryTableAlias + ".CompanyId='" + companyId + "'";
}
}
else
{
if (string.IsNullOrEmpty(companyId))
{
result = this.whereCondition.Substring(0, this.whereCondition.Length - 5);
}
else
{
result = this.whereCondition + primaryTableAlias + ".CompanyId='" + companyId + "'";
}
}
}
#endregion
#region 初始化默认值
else
{
if (string.IsNullOrEmpty(this.whereCondition))
{
if (string.IsNullOrEmpty(companyId))
{
result = "IsActive='true' AND IsDeleted='false'";
}
else
{
result = primaryTableAlias + ".CompanyId='" + companyId + "' AND " + primaryTableAlias + ".IsActive='true' AND " + primaryTableAlias + ".IsDeleted='false'";
}
}
else
{
if (string.IsNullOrEmpty(companyId))
{
result = this.whereCondition + primaryTableAlias + ".IsActive='true' AND " + primaryTableAlias + ".IsDeleted='false'";
}
else
{
result = this.whereCondition + primaryTableAlias + ".CompanyId='" + companyId + "' AND " + primaryTableAlias + ".IsActive='true' AND " + primaryTableAlias + ".IsDeleted='false'";
}
}
}
#endregion
return result;
}
/// <summary>
/// 返回SQL的WHERE部分,如:IsActive='true'
/// </summary>
/// <returns></returns>
public string GetWhere()
{
string result;
if (string.IsNullOrEmpty(this.whereCondition))
{
result = "1=1";
}
else
{
result = this.whereCondition.Substring(0, this.whereCondition.Length - 5);
}
return result;
}
#endregion
#region 排序
public void OrderBy(string fieldName, string direction)
{
string tempOrderBy = fieldName + " " + direction + ",";
this.orderBy += tempOrderBy;
}
private string GetOrderBy()
{
string result = string.Empty;
if (!string.IsNullOrEmpty(this.orderBy))
{
return " ORDER BY " + this.orderBy.Substring(0, this.orderBy.Length - 1);
}
else
{
return result;
}
}
#endregion
#region 分组
public void GroupBy(string fieldName)
{
this.groupBy += fieldName + ",";
}
private string GetGroupBy()
{
string result = string.Empty;
if (!string.IsNullOrEmpty(this.groupBy))
{
return " GROUP BY " + this.groupBy.Substring(0, this.groupBy.Length - 1);
}
else
{
return result;
}
}
#endregion
#region 返回SQL语句
/// <summary>
/// 返回SQL语句
/// </summary>
/// <returns></returns>
public string GetSql()
{
string result = string.Empty;
result = "SELECT " + GetInternalSelect() + " FROM " + tableNames + " WHERE " + GetInternalWhere() + GetGroupBy() + GetOrderBy();
return result;
}
#endregion
}
public enum DateFormat
{
Year,
Quarter,
/// <summary>
/// YYYY/MM
/// </summary>
Month,
Week,
/// <summary>
/// YYYY/MM/DD
/// </summary>
Day,
/// <summary>
/// YYYY/MM/DD HH24
/// </summary>
Hour,
/// <summary>
/// YYYY/MM/DD HH24:MI
/// </summary>
Minute,
/// <summary>
/// YYYY/MM/DD HH24:MI:SS
/// </summary>
Second
}
}