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 最近做了个Java的小项目(第一次写Java的项目哦), 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 (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 KEY  CLUSTERED      (         [UserID]     )  ON [PRIMARY]  ) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY] GO   
  创建存储过程: 
CREATE PROCEDURE InsertUser @UserName varchar(50), @Title varchar(255), @Guid  uniqueidentifier, @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最新的SQL Server的JDBC, //请到 http://msdn2.microsoft.com/zh-cn/data/aa937724.aspx 下载 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.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("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");  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>   |