知识大全 Java/JSP中调用SQL Server存储过程完整示例

Posted 2022-07-20 孟子

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最近做了个Java的小项目（第一次写Java的项目）到网上搜索了半天找到了一个比较好点的调用存储过程的例子而且网上普遍采用的都是setXXX((int parameterIndex XXX x)的形式这种形式感觉不是很直观下面就发布一个完整的采用setXXX(String parameterName XXX x)的编写方法创建数据表存储过程的代码都完整发布

　　创建表

CREATE TABLE [BookUser] ([UserID] [int] IDENTITY (       ) NOT NULL   [UserName] [varchar] (    ) COLLATE Chinese_PRC_CI_AS NOT NULL   [Title] [nvarchar] (    ) COLLATE Chinese_PRC_CI_AS NOT NULL   [Guid] [uniqueidentifier] NOT NULL CONSTRAINT [DF_BookUser_Guid] DEFAULT (newid())  [BirthDate] [datetime] NOT NULL   [Description] [ntext] COLLATE Chinese_PRC_CI_AS NOT NULL   [Photo] [image] NULL   [Other] [varchar] (    ) COLLATE Chinese_PRC_CI_AS NULL CONSTRAINT [DF_BookUser_Other] 
       DEFAULT (  默认值  )  CONSTRAINT [PK_BookUser] PRIMARY KEY  CLUSTERED ([UserID])  ON [PRIMARY] ) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]GO

　　创建存储过程

CREATE PROCEDURE InsertUser@UserName varchar(    )  @Title varchar(      )  @Guid  uniqueidentifier  @BirthDate DateTime  @Description ntext  @Photo image  @Other nvarchar(    )  @UserID int output As
Set NOCOUNT ONIf Exists (select UserID from BookUser Where UserName = @UserName)RETURN   ELSEBeginINSERT INTO BookUser (UserName  Title  Guid  BirthDate  Description  Photo  Other) 
VALUES(@UserName  @Title  @Guid  @BirthDate  @Description  @Photo  @Other)SET @UserID = @@IDENTITYRETURN   EndGO

　　JSP代码

<%@ page language= java  contentType= text/; charset=UTF

   pageEncoding= UTF   %><%@ page import =  java sql * %><!DOCTYPE  PUBLIC   //W C//DTD XHTML     Transitional//EN

    // w  /TR/x /DTD/x  transitional dtd >< xmlns= // w  /    /x ><head></head><body><%//注意 下面的连接方法采用最新的SQL Server的JDBC //请到 //msdn  microsoft /zh cn/data/aa       aspx 下载Class forName(  microsoft sqlserver jdbc SQLServerDriver );String url= jdbc:sqlserver://localhost:    ;databaseName=Book;user=sa;password= ; String sql =  ? = call InsertUser(? ? ? ? ? ? ? ?) ; Connection cn = null;CallableStatement cmd = null;trycn = DriverManager getConnection(url);cmd = cn prepareCall(sql);java util UUID Guid = java util UUID randomUUID();String FilePath = application getRealPath(  ) +  \\test\\logo gif ;java io FileInputStream f = new java io FileInputStream(FilePath); Date rightNow = Date valueOf(          );cmd setString( UserName   mengxianhui );

      //注意修改这里 存储过程验证了UserName的唯一性 cmd setString( Title   孟宪会 );cmd setString( Guid  Guid toString());cmd setString( BirthDate            );cmd setDate( BirthDate  rightNow);cmd setString( Description   【孟子E章】 );cmd setBinaryStream( Photo  f f available());cmd setString( Other  null);cmd registerOutParameter(  java sql Types INTEGER);cmd registerOutParameter( UserID  java sql Types INTEGER);cmd execute();int returnValue = cmd getInt( );int UserID = cmd getInt( UserID );if(returnValue ==  )out print( <li>添加成功！ );out print( <li>UserID =   + UserID);out print( <li>returnValue =   + returnValue);elseout print( <li>添加失败！ );f close();catch(Exception ex)out print(ex getLocalizedMessage());finallytryif(cmd != null)cmd close();cmd = null;if(cn != null)cn close();cn = null;catch(Exception e)e printStackTrace();%></body></>

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