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多表查询存储过程

时间:2015-09-01 16:48:06      阅读:278      评论:0      收藏:0      [点我收藏+]

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多表查询存储过程  ;看懂了应该会有所收获

  1 -- Description:    根据条件查询金融产品信息。
  2 -- =============================================
  3 ALTER PROCEDURE [dbo].[SearchProduct]
  4     (
  5       @ben1 AS DECIMAL(38, 2) ,
  6       @yue1 AS INT ,
  7       @strWhere AS NVARCHAR(MAX),
  8       @PageSize as int,
  9       @PageIndex as int
 10     )
 11 AS 
 12     BEGIN 
 13  
 14         SET NOCOUNT ON ;
 15         DECLARE @str NVARCHAR(MAX)
 16         
 17         SELECT  DISTINCT  
 18                 p.ProductID ,
 19                 p.ProductName ,
 20                 i.InstitutionName ,
 21                 i.IconUrl ,
 22                 i.InstitutionName +  -  + p.ProductName AS PNames ,
 23                 --pt.PledgeName ,
 24                 CASE WHEN CHARINDEX(企业主, ISNULL(c.ConditionContent, ‘‘)) > 0
 25                           AND CHARINDEX(个体户, ISNULL(c.ConditionContent, ‘‘)) > 0
 26                           AND CHARINDEX(上班族, ISNULL(c.ConditionContent, ‘‘)) > 0
 27                      THEN 企业主,个体户,上班族
 28                      WHEN CHARINDEX(企业主, ISNULL(c.ConditionContent, ‘‘)) > 0
 29                           AND CHARINDEX(个体户, ISNULL(c.ConditionContent, ‘‘)) > 0
 30                      THEN 企业主,个体户
 31                      WHEN CHARINDEX(企业主, ISNULL(c.ConditionContent, ‘‘)) > 0
 32                           AND CHARINDEX(上班族, ISNULL(c.ConditionContent, ‘‘)) > 0
 33                      THEN 企业主,上班族
 34                      WHEN CHARINDEX(个体户, ISNULL(c.ConditionContent, ‘‘)) > 0
 35                           AND CHARINDEX(上班族, ISNULL(c.ConditionContent, ‘‘)) > 0
 36                      THEN 个体户,上班族
 37                      WHEN CHARINDEX(企业主, ISNULL(c.ConditionContent, ‘‘)) > 0
 38                           AND CHARINDEX(个体户, ISNULL(c.ConditionContent, ‘‘)) = -1
 39                           AND CHARINDEX(上班族, ISNULL(c.ConditionContent, ‘‘)) = -1
 40                      THEN 企业主
 41                      WHEN CHARINDEX(企业主, ISNULL(c.ConditionContent, ‘‘)) = -1
 42                           AND CHARINDEX(个体户, ISNULL(c.ConditionContent, ‘‘)) > 0
 43                           AND CHARINDEX(上班族, ISNULL(c.ConditionContent, ‘‘)) = -1
 44                      THEN 个体户
 45                      WHEN CHARINDEX(企业主, ISNULL(c.ConditionContent, ‘‘)) = -1
 46                           AND CHARINDEX(个体户, ISNULL(c.ConditionContent, ‘‘)) = -1
 47                           AND CHARINDEX(上班族, ISNULL(c.ConditionContent, ‘‘)) > 0
 48                      THEN 上班族
 49                      ELSE 无身份要求
 50                 END AS Identitys ,
 51                 c.ConditionContent ,
 52                 LoanTime ,
 53                 CASE WHEN ( POWER(( 1 + MothRateMin ), @yue1) - 1 ) <> 0
 54                      THEN ( @ben1 * MothRateMin * POWER(( 1 + MothRateMin ),
 55                                                         @yue1) ) / ( POWER(( 1
 56                                                               + MothRateMin ),
 57                                                               @yue1) - 1 )
 58                      ELSE 0
 59                 END AS yuegong ,
 60                 CASE WHEN ( POWER(( 1 + MothRateMin ), @yue1) - 1 ) <> 0
 61                      THEN ( ( @ben1 * MothRateMin * POWER(( 1 + MothRateMin ),
 62                                                           @yue1) )
 63                             / ( POWER(( 1 + MothRateMin ), @yue1) - 1 ) )
 64                           * @yue1 - @ben1
 65                      ELSE 0
 66                 END AS SumRateMin ,  
 67                   case when     
 68                 charindex(</li>,isnull(c.ConditionContent,‘‘))   <=0  
 69                  or charindex(</li>,isnull(c.ConditionContent,‘‘),charindex(</li>,isnull(c.ConditionContent,‘‘))+1)<=0  
 70               or charindex(</li>,isnull(c.ConditionContent,‘‘), charindex(</li>,isnull(c.ConditionContent,‘‘),charindex(</li>,isnull(c.ConditionContent,‘‘))+1)+1)<=0 or 
 71                   ( charindex(</li>,isnull(c.ConditionContent,‘‘), charindex(</li>,isnull(c.ConditionContent,‘‘), charindex(</li>,isnull(c.ConditionContent,‘‘))+1)+1)+4 )   <=0    
 72                then c.ConditionContent 
 73          else   
 74                 SUBSTRING(isnull(c.ConditionContent,‘‘),1,charindex(</li>,isnull(c.ConditionContent,‘‘), charindex(</li>,isnull(c.ConditionContent,‘‘), charindex(</li>,isnull(c.ConditionContent,‘‘))+1)+1)+4) end as   ConditionContents, 
 75                 e.TypeName ,
 76                 pt.PledgeName ,
 77                 CAST(LimitMin AS VARCHAR) +  ~  + CAST(LimitMax AS VARCHAR) AS LimitMin ,
 78                 CAST(DeadLineMin AS VARCHAR) +  ~ 
 79                 + CAST(DeadLineMax AS VARCHAR) AS DeadLineMin ,
 80                 m.RepaymentName ,
 81                 MothRateMin AS RateMin ,
 82                 CAST(MothRateMin AS VARCHAR) +  %~ 
 83                 + CAST(MothRateMax AS VARCHAR) + % AS MothRateMins ,
 84                 CASE p.SynthesizeRate
 85                   WHEN 确切
 86                   THEN CAST(RateMin AS VARCHAR) + % ~ 
 87                        + CAST(RateMax AS VARCHAR) + %
 88                   ELSE p.SynthesizeRate
 89                 END AS SynthesizeRate ,
 90                 CASE p.SecurityCost
 91                   WHEN 确切
 92                   THEN CAST(CostMin AS VARCHAR) + % ~ 
 93                        + CAST(CostMax AS VARCHAR) + %
 94                   ELSE p.SecurityCost
 95                 END AS SecurityCost ,
 96                 CASE OneTimeFee
 97                   WHEN 确切
 98                   THEN CAST(FeeMin AS VARCHAR) + % ~ 
 99                        + CAST(FeeMax AS VARCHAR) + %
100                   ELSE OneTimeFee
101                 END AS OneTimeFee
102         FROM    dbo.P_LoanProduct p  
103                 LEFT JOIN dbo.I_Institution i ON p.InstitutionID = i.InstitutionID
104                 LEFT JOIN dbo.I_InstitutionType t ON i.InstitutioniTypeID = t.InstitutioniTypeID
105                 LEFT JOIN dbo.P_PledgeType pt ON p.PledgeID = pt.PledgeID
106                 LEFT JOIN dbo.P_ProductType e ON p.ProductTypeID = e.ProductTypeID
107                 LEFT JOIN dbo.P_RepaymentMode m ON p.ModeID = m.ModeID
108                 LEFT JOIN dbo.P_Product_Condition pc ON p.ProductID = pc.ProductID
109                 LEFT JOIN dbo.P_Condition c ON pc.ConditionID = c.ConditionID
110                 LEFT JOIN dbo.P_ConditionCredit ct ON c.ConditionID = ct.ConditionID
111                 LEFT JOIN dbo.P_ConditionProperty py ON c.ConditionID = py.ConditionID
112                 LEFT JOIN dbo.P_ResidenceAge re ON c.ConditionID = re.ConditionID
113                 LEFT JOIN dbo.P_WorkAge w ON c.ConditionID = w.ConditionID
114                 LEFT JOIN dbo.P_ShopAge s ON c.ConditionID = s.ConditionID
115                 LEFT JOIN dbo.P_Condition_Certificate cc ON c.ConditionID = cc.ConditionID
116                 LEFT JOIN dbo.P_ConditionOwning co ON c.ConditionID = co.ConditionID
117                 LEFT JOIN dbo.P_CIManageAge ca ON c.ConditionID = ca.ConditionID
118                 LEFT JOIN dbo.P_ConditionManage cm ON c.ConditionID = cm.ConditionID
119                 LEFT JOIN dbo.P_ConditionIdentity ci ON c.ConditionID = ci.ConditionID
120                 LEFT JOIN dbo.P_ConditionPlace cp ON c.ConditionID = cp.ConditionID 
121    
122      
123     END
124   --exec dbo.SearchProduct   10000.00,12,   ,3,1

dal层 多表查询

 1   /// <summary>
 2         /// 分页获取数据列表json
 3         /// </summary>
 4         public string GetListByPageJsonn( decimal ben, int yue,int PageSize, int PageIndex, string strWhere)
 5         {
 6             DataSet Ds = new DataSet();
 7             StringBuilder strSql = new StringBuilder();
 8 
 9             strSql.Append("  declare @yue1  int ,   @ben1 decimal(38,2)   set  @yue1= ");
10             strSql.Append(yue);
11 
12             strSql.Append("   set @ben1 =");
13             strSql.Append(ben);
14             
15             strSql.Append("    SELECT  DISTINCT  p.ProductID ,p.ProductName ,i.InstitutionName ,i.IconUrl ,i.InstitutionName + ‘ - ‘ + p.ProductName AS PNames , CASE WHEN CHARINDEX(‘企业主‘, ISNULL(c.ConditionContent, ‘‘)) > 0  AND CHARINDEX(‘个体户‘, ISNULL(c.ConditionContent, ‘‘)) > 0 AND CHARINDEX(‘上班族‘, ISNULL(c.ConditionContent, ‘‘)) > 0 THEN ‘企业主,个体户,上班族‘ WHEN CHARINDEX(‘企业主‘, ISNULL(c.ConditionContent, ‘‘)) > 0 AND CHARINDEX(‘个体户‘, ISNULL(c.ConditionContent, ‘‘)) > 0 THEN ‘企业主,个体户‘ WHEN CHARINDEX(‘企业主‘, ISNULL(c.ConditionContent, ‘‘)) > 0 AND CHARINDEX(‘上班族‘, ISNULL(c.ConditionContent, ‘‘)) > 0 THEN ‘企业主,上班族‘ WHEN CHARINDEX(‘个体户‘, ISNULL(c.ConditionContent, ‘‘)) > 0 AND CHARINDEX(‘上班族‘, ISNULL(c.ConditionContent, ‘‘)) > 0 THEN ‘个体户,上班族‘ WHEN CHARINDEX(‘企业主‘, ISNULL(c.ConditionContent, ‘‘)) > 0 AND CHARINDEX(‘个体户‘, ISNULL(c.ConditionContent, ‘‘)) = -1 AND CHARINDEX(‘上班族‘, ISNULL(c.ConditionContent, ‘‘)) = -1 THEN ‘企业主‘ WHEN CHARINDEX(‘企业主‘, ISNULL(c.ConditionContent, ‘‘)) = -1 AND CHARINDEX(‘个体户‘, ISNULL(c.ConditionContent, ‘‘)) > 0 AND CHARINDEX(‘上班族‘, ISNULL(c.ConditionContent, ‘‘)) = -1 THEN ‘个体户‘ WHEN CHARINDEX(‘企业主‘, ISNULL(c.ConditionContent, ‘‘)) = -1 AND CHARINDEX(‘个体户‘, ISNULL(c.ConditionContent, ‘‘)) = -1 AND CHARINDEX(‘上班族‘, ISNULL(c.ConditionContent, ‘‘)) > 0 THEN ‘上班族‘ ELSE ‘无身份要求‘                 END AS Identitys , c.ConditionContent , LoanTime , CASE WHEN ( POWER(( 1 + MothRateMin ), @yue1) - 1 ) <> 0 THEN ( @ben1 * MothRateMin * POWER(( 1 + MothRateMin ), @yue1) ) / ( POWER(( 1 + MothRateMin ), @yue1) - 1 )ELSE 0 END AS yuegong , CASE WHEN ( POWER(( 1 + MothRateMin ), @yue1) - 1 ) <> 0 THEN ( ( @ben1 * MothRateMin * POWER(( 1 + MothRateMin ),@yue1) )/ ( POWER(( 1 + MothRateMin ), @yue1) - 1 ) )* @yue1 - @ben1 ELSE 0 END AS SumRateMin ,  case when    charindex(‘</li>‘,isnull(c.ConditionContent,‘‘))   <=0  or charindex(‘</li>‘,isnull(c.ConditionContent,‘‘),charindex(‘</li>‘,isnull(c.ConditionContent,‘‘))+1)<=0  or charindex(‘</li>‘,isnull(c.ConditionContent,‘‘), charindex(‘</li>‘,isnull(c.ConditionContent,‘‘),charindex(‘</li>‘,isnull(c.ConditionContent,‘‘))+1)+1)<=0 or ( charindex(‘</li>‘,isnull(c.ConditionContent,‘‘), charindex(‘</li>‘,isnull(c.ConditionContent,‘‘), charindex(‘</li>‘,isnull(c.ConditionContent,‘‘))+1)+1)+4 )   <=0    then c.ConditionContent else   SUBSTRING(isnull(c.ConditionContent,‘‘),1,charindex(‘</li>‘,isnull(c.ConditionContent,‘‘), charindex(‘</li>‘,isnull(c.ConditionContent,‘‘), charindex(‘</li>‘,isnull(c.ConditionContent,‘‘))+1)+1)+4) end as   ConditionContents, e.TypeName ,pt.PledgeName ,CAST(LimitMin AS VARCHAR) + ‘ ~ ‘ + CAST(LimitMax AS VARCHAR) AS LimitMin ,CAST(DeadLineMin AS VARCHAR) + ‘ ~ ‘ + CAST(DeadLineMax AS VARCHAR) AS DeadLineMin ,m.RepaymentName ,MothRateMin AS RateMin ,CAST(MothRateMin AS VARCHAR) + ‘ %~ ‘+ CAST(MothRateMax AS VARCHAR) + ‘%‘ AS MothRateMins ,CASE p.SynthesizeRate WHEN ‘确切‘ THEN CAST(RateMin AS VARCHAR) + ‘% ~ ‘+ CAST(RateMax AS VARCHAR) + ‘%‘ ELSE p.SynthesizeRate END AS SynthesizeRate ,CASE p.SecurityCost WHEN ‘确切‘ THEN CAST(CostMin AS VARCHAR) + ‘% ~ ‘ + CAST(CostMax AS VARCHAR) + ‘%‘ ELSE p.SecurityCost END AS SecurityCost , CASE OneTimeFee WHEN ‘确切‘ THEN CAST(FeeMin AS VARCHAR) + ‘% ~ ‘ + CAST(FeeMax AS VARCHAR) + ‘%‘ ELSE OneTimeFee END AS OneTimeFee FROM    dbo.P_LoanProduct p  LEFT JOIN dbo.I_Institution i ON p.InstitutionID = i.InstitutionID LEFT JOIN dbo.I_InstitutionType t ON i.InstitutioniTypeID = t.InstitutioniTypeID LEFT JOIN dbo.P_PledgeType pt ON p.PledgeID = pt.PledgeID LEFT JOIN dbo.P_ProductType e ON p.ProductTypeID = e.ProductTypeID LEFT JOIN dbo.P_RepaymentMode m ON p.ModeID = m.ModeID LEFT JOIN dbo.P_Product_Condition pc ON p.ProductID = pc.ProductID LEFT JOIN dbo.P_Condition c ON pc.ConditionID = c.ConditionID LEFT JOIN dbo.P_ConditionCredit ct ON c.ConditionID = ct.ConditionID LEFT JOIN dbo.P_ConditionProperty py ON c.ConditionID = py.ConditionID LEFT JOIN dbo.P_ResidenceAge re ON c.ConditionID = re.ConditionID LEFT JOIN dbo.P_WorkAge w ON  c.ConditionID = w.ConditionID LEFT JOIN dbo.P_ShopAge s ON c.ConditionID = s.ConditionID LEFT JOIN dbo.P_Condition_Certificate cc ON c.ConditionID = cc.ConditionID LEFT JOIN dbo.P_ConditionOwning co ON c.ConditionID = co.ConditionID LEFT JOIN dbo.P_CIManageAge ca ON c.ConditionID = ca.ConditionID LEFT JOIN dbo.P_ConditionManage cm ON c.ConditionID = cm.ConditionID LEFT JOIN dbo.P_ConditionIdentity ci ON c.ConditionID = ci.ConditionID LEFT JOIN dbo.P_ConditionPlace cp ON c.ConditionID = cp.ConditionID  ");
16             if (strWhere.Trim() != "")
17             {
18                 strSql.Append("  where  " + strWhere);
19             }
20             DbHelperSQL.GotDataList(strSql.ToString(), "DataList", Ds, PageIndex * PageSize, PageSize);//分页后的数据
21             return DbHelperSQL.ToJson(Ds.Tables[0], GetRecordCountn(ben,yue, strWhere));
22         }
23 
24         /// <summary>
25         /// 获取记录总数
26         /// </summary>
27         public int GetRecordCountn(decimal ben, int yue, string strWhere)
28         {
29             DataSet Ds = new DataSet();
30             StringBuilder strSql = new StringBuilder();
31 
32             strSql.Append("  declare @yue1  int ,   @ben1 decimal(38,2)   set  @yue1= ");
33             strSql.Append(yue);
34 
35             strSql.Append("   set @ben1 =");
36             strSql.Append(ben);
37             strSql.Append("select  count(1) from    ( ");
38             strSql.Append("    SELECT  DISTINCT  p.ProductID ,p.ProductName ,i.InstitutionName ,i.IconUrl ,i.InstitutionName + ‘ - ‘ + p.ProductName AS PNames , CASE WHEN CHARINDEX(‘企业主‘, ISNULL(c.ConditionContent, ‘‘)) > 0  AND CHARINDEX(‘个体户‘, ISNULL(c.ConditionContent, ‘‘)) > 0 AND CHARINDEX(‘上班族‘, ISNULL(c.ConditionContent, ‘‘)) > 0 THEN ‘企业主,个体户,上班族‘ WHEN CHARINDEX(‘企业主‘, ISNULL(c.ConditionContent, ‘‘)) > 0 AND CHARINDEX(‘个体户‘, ISNULL(c.ConditionContent, ‘‘)) > 0 THEN ‘企业主,个体户‘ WHEN CHARINDEX(‘企业主‘, ISNULL(c.ConditionContent, ‘‘)) > 0 AND CHARINDEX(‘上班族‘, ISNULL(c.ConditionContent, ‘‘)) > 0 THEN ‘企业主,上班族‘ WHEN CHARINDEX(‘个体户‘, ISNULL(c.ConditionContent, ‘‘)) > 0 AND CHARINDEX(‘上班族‘, ISNULL(c.ConditionContent, ‘‘)) > 0 THEN ‘个体户,上班族‘ WHEN CHARINDEX(‘企业主‘, ISNULL(c.ConditionContent, ‘‘)) > 0 AND CHARINDEX(‘个体户‘, ISNULL(c.ConditionContent, ‘‘)) = -1 AND CHARINDEX(‘上班族‘, ISNULL(c.ConditionContent, ‘‘)) = -1 THEN ‘企业主‘ WHEN CHARINDEX(‘企业主‘, ISNULL(c.ConditionContent, ‘‘)) = -1 AND CHARINDEX(‘个体户‘, ISNULL(c.ConditionContent, ‘‘)) > 0 AND CHARINDEX(‘上班族‘, ISNULL(c.ConditionContent, ‘‘)) = -1 THEN ‘个体户‘ WHEN CHARINDEX(‘企业主‘, ISNULL(c.ConditionContent, ‘‘)) = -1 AND CHARINDEX(‘个体户‘, ISNULL(c.ConditionContent, ‘‘)) = -1 AND CHARINDEX(‘上班族‘, ISNULL(c.ConditionContent, ‘‘)) > 0 THEN ‘上班族‘ ELSE ‘无身份要求‘                 END AS Identitys , c.ConditionContent , LoanTime , CASE WHEN ( POWER(( 1 + MothRateMin ), @yue1) - 1 ) <> 0 THEN ( @ben1 * MothRateMin * POWER(( 1 + MothRateMin ), @yue1) ) / ( POWER(( 1 + MothRateMin ), @yue1) - 1 )ELSE 0 END AS yuegong , CASE WHEN ( POWER(( 1 + MothRateMin ), @yue1) - 1 ) <> 0 THEN ( ( @ben1 * MothRateMin * POWER(( 1 + MothRateMin ),@yue1) )/ ( POWER(( 1 + MothRateMin ), @yue1) - 1 ) )* @yue1 - @ben1 ELSE 0 END AS SumRateMin ,  case when    charindex(‘</li>‘,isnull(c.ConditionContent,‘‘))   <=0  or charindex(‘</li>‘,isnull(c.ConditionContent,‘‘),charindex(‘</li>‘,isnull(c.ConditionContent,‘‘))+1)<=0  or charindex(‘</li>‘,isnull(c.ConditionContent,‘‘), charindex(‘</li>‘,isnull(c.ConditionContent,‘‘),charindex(‘</li>‘,isnull(c.ConditionContent,‘‘))+1)+1)<=0 or ( charindex(‘</li>‘,isnull(c.ConditionContent,‘‘), charindex(‘</li>‘,isnull(c.ConditionContent,‘‘), charindex(‘</li>‘,isnull(c.ConditionContent,‘‘))+1)+1)+4 )   <=0    then c.ConditionContent else   SUBSTRING(isnull(c.ConditionContent,‘‘),1,charindex(‘</li>‘,isnull(c.ConditionContent,‘‘), charindex(‘</li>‘,isnull(c.ConditionContent,‘‘), charindex(‘</li>‘,isnull(c.ConditionContent,‘‘))+1)+1)+4) end as   ConditionContents, e.TypeName ,pt.PledgeName ,CAST(LimitMin AS VARCHAR) + ‘ ~ ‘ + CAST(LimitMax AS VARCHAR) AS LimitMin ,CAST(DeadLineMin AS VARCHAR) + ‘ ~ ‘ + CAST(DeadLineMax AS VARCHAR) AS DeadLineMin ,m.RepaymentName ,MothRateMin AS RateMin ,CAST(MothRateMin AS VARCHAR) + ‘ %~ ‘+ CAST(MothRateMax AS VARCHAR) + ‘%‘ AS MothRateMins ,CASE p.SynthesizeRate WHEN ‘确切‘ THEN CAST(RateMin AS VARCHAR) + ‘% ~ ‘+ CAST(RateMax AS VARCHAR) + ‘%‘ ELSE p.SynthesizeRate END AS SynthesizeRate ,CASE p.SecurityCost WHEN ‘确切‘ THEN CAST(CostMin AS VARCHAR) + ‘% ~ ‘ + CAST(CostMax AS VARCHAR) + ‘%‘ ELSE p.SecurityCost END AS SecurityCost , CASE OneTimeFee WHEN ‘确切‘ THEN CAST(FeeMin AS VARCHAR) + ‘% ~ ‘ + CAST(FeeMax AS VARCHAR) + ‘%‘ ELSE OneTimeFee END AS OneTimeFee FROM    dbo.P_LoanProduct p  LEFT JOIN dbo.I_Institution i ON p.InstitutionID = i.InstitutionID LEFT JOIN dbo.I_InstitutionType t ON i.InstitutioniTypeID = t.InstitutioniTypeID LEFT JOIN dbo.P_PledgeType pt ON p.PledgeID = pt.PledgeID LEFT JOIN dbo.P_ProductType e ON p.ProductTypeID = e.ProductTypeID LEFT JOIN dbo.P_RepaymentMode m ON p.ModeID = m.ModeID LEFT JOIN dbo.P_Product_Condition pc ON p.ProductID = pc.ProductID LEFT JOIN dbo.P_Condition c ON pc.ConditionID = c.ConditionID LEFT JOIN dbo.P_ConditionCredit ct ON c.ConditionID = ct.ConditionID LEFT JOIN dbo.P_ConditionProperty py ON c.ConditionID = py.ConditionID LEFT JOIN dbo.P_ResidenceAge re ON c.ConditionID = re.ConditionID LEFT JOIN dbo.P_WorkAge w ON  c.ConditionID = w.ConditionID LEFT JOIN dbo.P_ShopAge s ON c.ConditionID = s.ConditionID LEFT JOIN dbo.P_Condition_Certificate cc ON c.ConditionID = cc.ConditionID LEFT JOIN dbo.P_ConditionOwning co ON c.ConditionID = co.ConditionID LEFT JOIN dbo.P_CIManageAge ca ON c.ConditionID = ca.ConditionID LEFT JOIN dbo.P_ConditionManage cm ON c.ConditionID = cm.ConditionID LEFT JOIN dbo.P_ConditionIdentity ci ON c.ConditionID = ci.ConditionID LEFT JOIN dbo.P_ConditionPlace cp ON c.ConditionID = cp.ConditionID  ");
39             if (strWhere.Trim() != "")
40             {
41                 strSql.Append("  where  " + strWhere);
42             }
43             strSql.Append(") as a");
44             object obj = DbHelperSQL.GetSingle(strSql.ToString());
45             if (obj == null)
46             {
47                 return 0;
48             }
49             else
50             {
51                 return Convert.ToInt32(obj);
52             }
53         }

 

多表查询存储过程

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原文地址:http://www.cnblogs.com/woloveprogram/p/4776010.html

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