获取多表联合查询的存储过程。

USE [NopV3.3Test]
GO
/****** Object:  StoredProcedure [dbo].[GetPostList]    Script Date: 06/18/2014 15:27:19 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
-- =============================================
-- Author:        于留洋
-- Create date: 2014/06/10
-- Description:    根据筛选条件获取帖子列表
-- =============================================
ALTER PROCEDURE [dbo].[GetPostList] 
    @IsAll bit ,--是否获取所有(0：false;1:true)
    @ForumId int ,--版块id(留言，建议，投诉)
    @CustomerId int ,--客户id
    @PostId int, --内容id
    @TopicId  int --话题id
    
    
AS
BEGIN
  declare @GetDataSql nvarchar(1024); --要执行的sql语句  
  set @GetDataSql=‘select post.Id, topic.ForumId, post.Text, post.CustomerId,post.IPAddress ,post.CreatedOnUtc from dbo.Forums_Post post‘;
   set @GetDataSql=@GetDataSql+‘ inner join dbo.Forums_Topic topic on topic.Id=post.TopicId  where 1=1‘;
  if(@IsAll=0)
   begin
        if(@ForumId!=0)
            begin
              set @GetDataSql=@GetDataSql+‘  and topic.ForumId=‘+CONVERT(nvarchar(10), @ForumId);
            end
        if(@CustomerId!=0)    
            begin
               set @GetDataSql=@GetDataSql+‘  and post.CustomerId=‘+CONVERT(nvarchar(10), @CustomerId);
            end 
        if(@PostId!=0)
            begin
               set @GetDataSql=@GetDataSql+‘  and post.Id=‘+CONVERT(nvarchar(10), @PostId);
            end
    end 
    --print  @GetDataSql;
exec (@GetDataSql);

END