用xml数据更新数据库

communityserver中用的:

<? xml version="1.0" standalone="yes" ?>
< feeds >
   < feed >
       < FeedId > 3 </ FeedId >
       < Author > DaFangGuanLiYuan </ Author >
       < Title > ddd </ Title >
       < Description > sdfsdf </ Description >
       < Source  />
       < GuidName > 01be32bd-5d38-4bdf-8664-dc27b09903a7:6430 </ GuidName >
       < GuidIsPermaLink > 0 </ GuidIsPermaLink >
       < Link > http://localhost/TravelWeb/ForumsTA/NO6430/thread.aspx </ Link >
       < PubDate > 2007-06-27T09:48:20 </ PubDate >
       < CommentsUrl > http://localhost/TravelWeb/ForumsTA/NO6430/thread.aspx </ CommentsUrl >
       < Creator > DaFangGuanLiYuan </ Creator >
       < CommentApiUrl  />
       < CommentRssUrl > http://localhost/TravelWeb/ForumsTA/commentrss.aspx?SectionID=248 &amp; PostID=6430 </ CommentRssUrl >< CommentCount > -1 </ CommentCount ></ feed >
     < feed >
     < FeedId > 3 </ FeedId >
     < Author > DaFangGuanLiYuan </ Author >
     < Title > dddddddddd </ Title >
     < Description > ssssssssssss </ Description >
     < Source  />
     < GuidName > 01be32bd-5d38-4bdf-8664-dc27b09903a7:6426 </ GuidName >
     < GuidIsPermaLink > 0 </ GuidIsPermaLink >
     < Link > http://localhost/TravelWeb/ForumsTA/NO6426/thread.aspx </ Link >
     < PubDate > 2007-06-27T09:12:46 </ PubDate >
     < CommentsUrl > http://localhost/TravelWeb/ForumsTA/NO6426/thread.aspx </ CommentsUrl >
     < Creator > DaFangGuanLiYuan </ Creator >
     < CommentApiUrl  />
     < CommentRssUrl > http://localhost/TravelWeb/ForumsTA/commentrss.aspx?SectionID=248 &amp; PostID=6426 </ CommentRssUrl >
     < CommentCount > -1 </ CommentCount >
   </ feed >
     < feed >
     < FeedId > 3 </ FeedId >
     < Author > DaFangGuanLiYuan </ Author >
     < Title > ddd </ Title >
     < Description > sdfsdfsdf </ Description >
     < Source  />
     < GuidName > 01be32bd-5d38-4bdf-8664-dc27b09903a7:6424 </ GuidName >
     < GuidIsPermaLink > 0 </ GuidIsPermaLink >
     < Link > http://localhost/TravelWeb/ForumsTA/NO6424/thread.aspx </ Link >
     < PubDate > 2007-06-26T17:00:12 </ PubDate >
     < CommentsUrl > http://localhost/TravelWeb/ForumsTA/NO6424/thread.aspx </ CommentsUrl >
     < Creator > DaFangGuanLiYuan </ Creator >
     < CommentApiUrl  />
     < CommentRssUrl > http://localhost/TravelWeb/ForumsTA/commentrss.aspx?SectionID=248 &amp; PostID=6424 </ CommentRssUrl >
     < CommentCount > -1 </ CommentCount >
   </ feed >
</ feeds >

  
CREATE   PROC   [ dbo ] .cs_FeedPost_UpdatePosts  
  @FeedId   INT ,  
  @FeedItemList   NTEXT   
AS   
  
SET  NOCOUNT  ON   
  
DECLARE   @idoc   INT   
DECLARE   @FeedPosts   TABLE   
(  
 FeedId  INT ,  
 Author  NVARCHAR ( 255 ),  
 Title  NVARCHAR ( 255 ),  
 Description  NTEXT ,  
 Source  NVARCHAR ( 255 ),  
 GuidName  NVARCHAR ( 255 ) collate database_default,  
 GuidIsPermaLink  BIT ,  
 Link  NVARCHAR ( 255 ),  
 PubDate  DATETIME ,  
 CommentsUrl  NVARCHAR ( 255 ),  
 EnclosureUrl  VARCHAR ( 255 ),  
 EnclosureLength  BIGINT ,  
 EnclosureType  NVARCHAR ( 100 ),  
 Creator  NVARCHAR ( 255 )  NULL ,  
 CommentApiUrl  NVARCHAR ( 255 )  NULL ,  
 CommentRssUrl  NVARCHAR ( 255 )  NULL ,  
 CommentCount  INT   NULL   
)  
  
EXEC  sp_xml_preparedocument  @idoc  OUTPUT,  @FeedItemList   
  
--  First off, let's move all the XML into the table variable.  
INSERT   INTO   @FeedPosts   
   SELECT  C.FeedId,  
 C.Author,  
 C.Title,  
 C.Description,  
 C.Source,  
 C.GuidName,  
 C.GuidIsPermaLink,  
 C.Link,  
 C.PubDate,  
 C.CommentsUrl,  
 C.EnclosureUrl,  
 C.EnclosureLength,  
 C.EnclosureType,  
 C.Creator,  
 C.CommentApiUrl,  
 C.CommentRssUrl,  
 C.CommentCount  
FROM  OPENXML( @idoc ,  ' /feeds/feed ' ,  3 )    
WITH  ( FeedId  INT ,  
 Author  NVARCHAR ( 255 ),  
 Title  NVARCHAR ( 255 ),  
 Description  NTEXT ,  
 Source  NVARCHAR ( 255 ),  
 GuidName  NVARCHAR ( 255 ),  
 GuidIsPermaLink  BIT ,  
 Link  NVARCHAR ( 255 ),  
 PubDate  DATETIME ,  
 CommentsUrl  NVARCHAR ( 255 ),  
 EnclosureUrl  VARCHAR ( 255 ),  
 EnclosureLength  BIGINT ,  
 EnclosureType  NVARCHAR ( 100 ),  
 Creator  NVARCHAR ( 255 ),  
 CommentApiUrl  NVARCHAR ( 255 ),  
 CommentRssUrl  NVARCHAR ( 255 ),  
 CommentCount  INT )  AS  C  
  
--  Insert missing posts  
INSERT   INTO  cs_FeedPost  
(  
 FeedId,  
 Author,  
 Title,  
 Description,  
 Source,  
 GuidName,  
 GuidIsPermaLink,  
 Link,  
 PubDate,  
 CommentsUrl,  
 EnclosureUrl,  
 EnclosureLength,  
 EnclosureType,  
 Creator,  
 CommentApiUrl,  
 CommentRssUrl,  
 CommentCount  
   
)  
SELECT   C.FeedId,  
 C.Author,  
 C.Title,  
 C.Description,  
 C.Source,  
 C.GuidName,  
 C.GuidIsPermaLink,  
 C.Link,  
 C.PubDate,  
 C.CommentsUrl,  
 C.EnclosureUrl,  
 C.EnclosureLength,  
 C.EnclosureType,  
 C.Creator,  
 C.CommentApiUrl,  
 C.CommentRssUrl,  
 C.CommentCount  
FROM   @FeedPosts   AS  C  
WHERE  C.GuidName  NOT   IN   (  
   SELECT  GuidName  FROM  cs_FeedPost   
   WHERE  FeedId  =   @FeedId   
   )    
  
--  Update existing posts.  
UPDATE  cs_FeedPost  
SET  Author  =  C.Author,  
 Title  =  C.Title,  
 Description  =  C.Description,  
 Source  =  C.Source,  
 GuidName  =  C.GuidName,  
 GuidIsPermaLink  =  C.GuidIsPermaLink,  
 Link  =  C.Link,  
 PubDate  =  C.PubDate,  
 CommentsUrl  =  C.CommentsUrl,  
 EnclosureUrl  =  C.EnclosureUrl,  
 EnclosureLength  =  C.EnclosureLength,  
 EnclosureType  =  C.EnclosureType,  
 Creator  =  C.Creator,  
 CommentApiUrl  =  C.CommentApiUrl,  
 CommentRssUrl  =  C.CommentRssUrl,  
 CommentCount  =  C.CommentCount  
FROM   @FeedPosts   AS  C  
WHERE  cs_FeedPost.GuidName  =  C.GuidName  
  
  
  
EXEC  sp_xml_removedocument  @idoc