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实例讲解JSP调用SQL Server的存储过程
来源:互联网   发布日期:2016-03-01 10:50:51   浏览:2091次  

导读:JSP调用SQL Server存储过程的实例:创建表:CREATE TABLE [BookUser] ( [UserID] [int] IDENTITY (1, 1) NOT NU...

JSP调用SQL Server存储过程的实例:

创建表:

CREATE TABLE [BookUser] (

[UserID] [int] IDENTITY (1, 1) NOT NULL ,

[UserName] [varchar] (50) COLLATE Chinese_PRC_CI_AS NOT NULL ,

[Title] [nvarchar] (50) 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] (50) COLLATE Chinese_PRC_CI_AS NULL

CONSTRAINT [DF_BookUser_Other] DEFAULT ('默认值'),

CONSTRAINT [PK_BookUser] PRIMARY KEYCLUSTERED

(

[UserID]

)ON [PRIMARY]

) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]

GO

创建存储过程:

CREATE PROCEDURE InsertUser

@UserName varchar(50),

@Title varchar(255),

@Guiduniqueidentifier,

@BirthDate DateTime,

@Description ntext,

@Photo image,

@Other nvarchar(50),

@UserID int output

As

Set NOCOUNT ON

If Exists (select UserID from BookUser Where UserName = @UserName)

RETURN 0

ELSE

Begin

INSERT INTO BookUser (UserName,Title,Guid,BirthDate,Description,Photo,Other)

VALUES(@UserName,@Title,@Guid,@BirthDate,@Description,@Photo,@Other)

SET @UserID = @@IDENTITY

RETURN 1

End

GO

JSP代码:

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>

<%@ page import = "java.sql.*"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"

"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

</head>

<body>

<%

//注意:下面的连接方法采用SQL Server的JDBC,先下载sqlserver驱动。

Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");

String url="jdbc:sqlserver://localhost:1433;databaseName=Book;user=sa;password=";

String sql = "{? = call InsertUser(?,?,?,?,?,?,?,?)}";

Connection cn = null;

CallableStatement cmd = null;

try

{

cn = DriverManager.getConnection(url);

cmd = cn.divpareCall(sql);

java.util.UUID Guid = java.util.UUID.randomUUID();

String FilePath = application.getRealPath("") + "testlogo.gif";

java.io.FileInputStream f = new java.io.FileInputStream(FilePath);

Date rightNow = Date.valueOf("2007-9-9");

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");

&nb

sp;cmd.setString("Guid",Guid.toString());cmd.setString("BirthDate","2007-9-9");cmd.setDate("BirthDate",rightNow);cmd.setString("Description","【孟子E章】");cmd.setBinaryStream("Photo",f,f.available());cmd.setString("Other",null);cmd.registerOutParameter(1,java.sql.Types.INTEGER);cmd.registerOutParameter("UserID",java.sql.Types.INTEGER);cmd.execute();int returnValue = cmd.getInt(1);int UserID = cmd.getInt("UserID");if(returnValue == 1){out.print("<li>添加成功!");out.print("<li>UserID = " + UserID);out.print("<li>returnValue = " + returnValue);}else{out.print("<li>添加失败!");}f.close();}catch(Exception ex){out.print(ex.getLocalizedMessage());}finally{try{if(cmd != null){cmd.close();cmd = null;}if(cn != null){cn.close();cn = null;}}catch(Exception e){e.printStackTrace();}}%></body></html>

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