SpringMVC（18）：使用springmvc+spring+jdbc 优化订单管理系统的示例（供应商新增的功能实现）

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原创最新推荐文章于 2026-03-03 00:31:04 发布 809 阅读 AI 写同款· GEO 优化 ›

使用Spring MVC框架改造超市订单系统-1 单例模式单例模式简介 BaseDao主要完成如下工作: (1)init()方法:负责从数据库配置文件(database.properties)中获取数据库连接的初始化参数 (2)Connection getConnection()方法:负责获取数据库连接,返回Connection实例 (3)ResultSet execute(Connection,PreparedStatement,Strin... 阅读详情

2018年1月28日

【0】功能要求

供应商新增功能：（1）登陆成功后（login.jsp），sys.jsp 系统页面会有供应商新增按钮，点击跳转到补全供应商信息（ provideradd.jsp），若是添加成功则会保存至数据库，并跳转供应商列表显示（providerlist.jsp），否则继续返回用户添加页面（ provideradd.jsp）；（2）供应商信息包括数据和文件上传；

【1】jar包/文件架构

jar包：

图1

文件结构：

图2

【2】View层

在sys.jsp添加以下代码：

	<h4>下面是点击链接跳转：添加供应商。</h4>
	<a href="${pageContext.request.contextPath}/usera/provideradd.html">跳转到添加供应商.</a>

页面效果：

新建provideradd.jsp：

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ taglib prefix="fm" uri="http://www.springframework.org/tags/form" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
	<h4>provideradd:请在下面填写需要添加的供应商信息：</h4>
    <form action="${pageContext.request.contextPath }/usera/providersave" 
           method="post" enctype="multipart/form-data">  
                供应商编码 1：<input type="text" name="proCode" value=""/><br> 
	     供应商名称2 ：<input type="text" name="proName" value=""/><br>  
                联系人3：<input type="text" name="proContact" value=""/><br>  
                供应商地址4 ：<input type="text" name="proAddress" value=""/><br>  
               供应商电话5 ：<input type="text" name="proPhone" value=""/><br>  
               传真6：<input type="text" name="proFax" value=""/><br>  
               描述7 ： <input type="text" name="proDesc" value=""/><br>  
	    <input type="hidden" id="errorinfo" value="${uploadFileError}">           
	          上传文件1-营业执照8:<input type="file" name="uploadFiles"/><br/>
	    <input type="hidden" id="errorinfo" value="${uploadFileError}">    
	          上传文件2-组织机构代码照9:<input type="file" name="uploadFiles"/><br/> 
      <input type="submit" value="上传"/>  
      <input type="reset" value="重置"/>  
	</form>
	
</body>
</html>

页面效果：

图3

【3】Controller层：

在ProviderController.java作以下修改：

package com.Provider.Controller;

import java.io.File;
import java.sql.SQLException;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import org.apache.commons.io.FilenameUtils;
import org.apache.commons.lang.math.RandomUtils;
import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.multipart.MultipartResolver;
import com.Provider.Service.ProviderService;
import com.Provider.entities.Provider;
import com.User.Controller.UserController;
import com.User.entities.User;

@Controller
@RequestMapping("/usera")
public class ProviderController {
	private Logger log = Logger.getLogger(UserController.class.getName());

	@Autowired
	private ProviderService providerService;
	
	@RequestMapping("/providerlist.html")
	public String getProviderList(Model model,
						@RequestParam(name="queryProviderCode",required=false)String queryProviderCode,
						@RequestParam(name="queryProviderName",required=false)String queryProviderName) throws SQLException{
		log.info("getUserList ====> queryUserName: "+queryProviderCode);
		log.info("getUserList ====> queryUserRole: "+queryProviderName);
		
		List<Provider> providerlist = null;
		
		if(queryProviderCode == null){
			queryProviderCode = "";
		}
		if(queryProviderName == null){
			queryProviderName = "";
		}		
		providerlist = providerService.getProviderList(queryProviderCode,queryProviderName);
		model.addAttribute("prolist",providerlist);
		return "providerlist";
	}

	@RequestMapping(value="/provideradd",method=RequestMethod.GET)
	public String add(@ModelAttribute Provider provider){
		System.out.println("ProviderController-add");
		return "provideradd";
	}

	@RequestMapping(value="/providersave",method=RequestMethod.POST)
	public String save(Provider provider,Model model,
			HttpServletRequest request,HttpSession session,
			@RequestParam(value="uploadFiles",required=false)MultipartFile[] uploadFiles) throws SQLException{
		System.out.println("ProviderController-save");
		String errorInfo = null;
		String pic_OrgCodeCer  = null;
		String pic_BusinessLic = null;
		boolean flag = true;
		//获取保存文件的绝对路径
		String path = request.getSession().getServletContext().getRealPath("statics"+File.separator+"uploadfilesProvider");
		System.out.println("2.1 uploadFile path ===>"+path);
		
		for(int i=0;i<uploadFiles.length;i++){
			MultipartFile uploadFile = uploadFiles[i];
			System.out.println("开始-flag: "+flag);
			if(!uploadFile.isEmpty()){
				if(i==0){
					errorInfo = "uploadFileError!";
				}else if(i==1){
					errorInfo = "uploadWpError!";
				}
				System.out.println("文件数量-flag: "+flag);
				String oldFileName = uploadFile.getOriginalFilename();
				String prefix = FilenameUtils.getExtension(oldFileName);
				int filesize = 500000;
				if(uploadFile.getSize() > filesize){
					request.setAttribute("uploadFileError", "* 上传大小不得超过5000KB");
					System.out.println("* 上传大小不得超过5000KB");
					flag = false;
					System.out.println("文件大小-flag: "+flag);
					return "useradd";
				}else if(prefix.equalsIgnoreCase("jpg")
						   || prefix.equalsIgnoreCase("png")
						   || prefix.equalsIgnoreCase("jpeg")
						   || prefix.equalsIgnoreCase("pneg")){
					//上传格式正确，重命名文件
					String fileName = System.currentTimeMillis()+RandomUtils.nextInt(1000000)+"_Personal.jpg";
					System.out.println("2.2 new fileName===>"+uploadFile.getName());
					//新建这么一个文件，FILE API
					File targetFile = new File(path,fileName); 
					if(!targetFile.exists()){
						targetFile.mkdirs();
					}
					System.out.println("格式-flag: "+flag);
					//保存
					try{
						//上传
						uploadFile.transferTo(targetFile);
					}catch (Exception e){
						e.printStackTrace();
						request.setAttribute("uploadFileError", "* 上传失败！ ");
						System.out.println("* 上传失败！ ");
						flag = false;
						System.out.println("上传-flag: "+flag);
						return "useradd";
					}
					if(i==0){
						pic_OrgCodeCer = path+File.separator+fileName;
						log.info("2.3 pic_OrgCodeCer ==>"+pic_OrgCodeCer );
					}else if(i==1){
						pic_BusinessLic = path+File.separator+fileName;
						log.info("2.4 pic_BusinessLic==>"+pic_BusinessLic);
					}
					
				}else{
					request.setAttribute("uploadFileError", "* 上传格式错误！");
					System.out.println("* 上传格式错误！");
					flag = false;
					return "useradd";
				}
			}
		}
		System.out.println("flag:"+flag);
		if(flag){
			System.out.println("new provider info1: "+provider);
			provider.setPic_BusinessLic(pic_BusinessLic);
			provider.setPic_OrgCodeCer(pic_OrgCodeCer);
			provider.setCreateBy(((User)session.getAttribute("currentUser")).getId());
			System.out.println("new provider info2: "+provider);
			providerService.save(provider);
			return "redirect:/usera/providerlist.html";
		}
		return "provideradd";
	}

}

解释：（1）上面定义了几个处理器方法：显示，添加和保存；

（2）多文件上传，使用数组：equestParam(value="uploadFiles",required=false)MultipartFile[] uploadFiles；

（3）session保存了登陆者的信息，因此可以保存setCreateBy；

【4】Service层接口与实现类：

ProviderService.java：

package com.Provider.Service;

import java.sql.SQLException;
import java.util.List;

import com.Provider.entities.Provider;

public interface ProviderService {
	public List<Provider> getProviderList(String queryProviderCode,String queryProviderName) throws SQLException;

	public boolean save(Provider provider) throws SQLException;
}

ProviderServiceImpl.java：

package com.Provider.Service;

import java.sql.SQLException;
import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import com.Provider.Dao.ProviderDao;
import com.Provider.entities.Provider;

@Service("providerService")
public class ProviderServiceImpl implements ProviderService {
	@Autowired
	ProviderDao providerDao;
	
	@Override
	public List<Provider> getProviderList(String queryProviderCode, String queryProviderName) throws SQLException {
		return providerDao.getProviderList(queryProviderCode,queryProviderName);
	}
	
	@Override
	public boolean save(Provider provider) throws SQLException {
		boolean result = false;
		if(providerDao.save(provider) == 1){
			result = true;
		}
		return result;
	}
}

【5】Dao层接口与实现类：

ProviderDao.java:

package com.Provider.Dao;
import java.sql.SQLException;
import java.util.List;
import com.Provider.entities.Provider;

public interface ProviderDao {
	List<Provider> getProviderList(String queryProviderCode, String queryProviderName) throws SQLException;
	public int save(Provider provider) throws SQLException;
}

ProviderDaoImpl.java:（使用的是jdbc的操作）

package com.Provider.Dao;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import org.apache.log4j.Logger;
import org.springframework.stereotype.Component;

import com.Provider.entities.Provider;
import com.User.Controller.UserController;

@Component("providerDao")
public class ProviderDaoImpl implements ProviderDao {
	private Connection conn = null;
	private Statement stmt = null;
	private ResultSet rs = null;
	private String sql;
	
	@Override
	public List<Provider> getProviderList(String queryProviderCode, String queryProviderName) throws SQLException {
		List<Provider> providerlist = new ArrayList<Provider>();
		
		sql = "select proCode,proName,proContact ,proPhone,proFax ,creatiomDate  "
				+ " from smbms_provider "
				+ " where proCode  like CONCAT('%','"+queryProviderCode+"','%')" 
				+ " and proName  like CONCAT('%','"+queryProviderName+"','%');" ;
		
		System.out.println("providerdao执行的sql: "+sql);
		String driver = "com.mysql.jdbc.Driver";
		String url = "jdbc:mysql://localhost:3306/test";
		String username = "root";
		String password = "";
		try {
			Class.forName(driver);
			conn = DriverManager.getConnection(url,username,password);
		} catch (ClassNotFoundException e) {
			e.printStackTrace();
		}
		stmt = conn.createStatement();
		rs = stmt.executeQuery(sql);
		while(rs.next()){
			Provider pro= new Provider();
			pro.setProCode(rs.getString("proCode"));
			pro.setProName(rs.getString("proName"));
			pro.setProContact(rs.getString("proContact"));
			pro.setProPhone(rs.getString("proPhone"));
			pro.setProFax(rs.getString("proFax"));
			pro.setCreationDate(rs.getDate("creatiomDate"));
			providerlist.add(pro);
		}
		if(stmt!=null){
			stmt.close();
		}
		if(rs!=null){
			rs.close();
		}
		return providerlist;
	}

	@Override
	public int save(Provider provider) throws SQLException {
		Logger log = Logger.getLogger(UserController.class.getName());
		int count = 0;
		SimpleDateFormat createDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		provider.setCreationDate(new Date());
		String createDate = createDateFormat.format(provider.getCreationDate());
		System.out.println("ProviderDao-add");
		//第二种方法
		sql = "insert into smbms_provider "
				+ "(proCode,proName,proAddress,proFax,proDesc,"
				+ "proContact,createdBy,creatiomDate,"
				+ "pic_BusinessLic,pic_OrgCodeCer) "
				+ "values"
				+ "('"
				+provider.getProCode()+"','"
				+provider.getProName()+"','"
				+provider.getProAddress()+"','"
				+provider.getProFax()+"','"
				+provider.getProDesc()+"','"
				+provider.getProContact()+"',"
				+provider.getCreateBy()+",'"				
				+createDate+"','"
				+provider.getPic_BusinessLic()+"','"
				+provider.getPic_OrgCodeCer()+"'"
				+")";
		String sql2 = " SELECT ROW_COUNT();";
		
		String driver = "com.mysql.jdbc.Driver";
		String url = "jdbc:mysql://localhost:3306/test";
		String username = "root";
		String password = "";
		try {
			Class.forName(driver);
			conn = DriverManager.getConnection(url,username,password);
		} catch (ClassNotFoundException e) {
			e.printStackTrace();
		}
		stmt = conn.createStatement();
		System.out.println("add - sql1: "+sql);
		stmt.execute(sql);
		System.out.println("add_result_row - sql: "+sql2);
		rs = stmt.executeQuery(sql2);
		rs.next();
		count = rs.getInt(1);
		if(stmt!=null){
			stmt.close();
		}
		if(rs!=null){
			rs.close();
		}
		return count;
	}
	
}

【6】供应商显示结果页面

新建providerlist.jsp：

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>    
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
	<h4>这是providerlist，负责展示供应商信息！</h4>
    <c:forEach items="${prolist}" var="arr">
        <c:out value="${arr.proCode}"></c:out>
        <c:out value="${arr.proName}"></c:out>
        <c:out value="${arr.proFax}"></c:out>
        <c:out value="${arr.proPhone}"></c:out>
        <c:out value="${arr.proContact}"></c:out>
        <c:out value="${arr.creationDate}"></c:out>
        <br>
    </c:forEach> 
</body>
</html>

【7】配置文件

spring配置文件（/resources/applicationContext-jdbc.xml）：

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 	xmlns:context="http://www.springframework.org/schema/context"
 	xmlns:aop="http://www.springframework.org/schema/aop"
    xmlns:tx="http://www.springframework.org/schema/tx"
    xmlns:p="http://www.springframework.org/schema/p"
	xsi:schemaLocation="http://www.springframework.org/schema/beans 
			http://www.springframework.org/schema/beans/spring-beans.xsd
			http://www.springframework.org/schema/context 
        	http://www.springframework.org/schema/context/spring-context-4.0.xsd
        	http://www.springframework.org/schema/aop
        	http://www.springframework.org/schema/aop/spring-aop-4.2.xsd
        ">
	<context:component-scan base-package="com.User.Dao"></context:component-scan>
	<context:component-scan base-package="com.User.Service"></context:component-scan>
	<context:component-scan base-package="com.Role.Dao"></context:component-scan>
	<context:component-scan base-package="com.Role.Service"></context:component-scan>
	<context:component-scan base-package="com.Provider.Dao"></context:component-scan>
	<context:component-scan base-package="com.Provider.Service"></context:component-scan>
</beans>

springmvc配置文件（/resources/springmvc-servlet.xml）：

<?xml version="1.0" encoding="UTF-8"?>  
<beans  xmlns="http://www.springframework.org/schema/beans"  
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
    xmlns:context="http://www.springframework.org/schema/context"  
    xmlns:mvc="http://www.springframework.org/schema/mvc"  
    xsi:schemaLocation="http://www.springframework.org/schema/beans 
    http://www.springframework.org/schema/beans/spring-beans.xsd  
        http://www.springframework.org/schema/context 
        http://www.springframework.org/schema/context/spring-context-4.0.xsd  
        http://www.springframework.org/schema/mvc 
        http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">  
     <!--mvc静态资源访问   -->
	 <mvc:resources mapping="/statics/**" location="/statics/"/>
	
   	<!-- 一键式配置 -->
    <context:component-scan base-package="com.User.Controller"></context:component-scan>
    <context:component-scan base-package="com.Provider.Controller"></context:component-scan>  
    <context:component-scan base-package="com.User"></context:component-scan>
    <mvc:annotation-driven></mvc:annotation-driven>  
  
    <!-- 配置视图解析器: 如何把 handler 方法返回值解析为实际的物理视图 -->  
    <!--prefix 前缀+suffix 后缀  -->  
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">  
        <property name="prefix" value="/WEB-INF/jsp/"></property>  
        <property name="suffix" value=".jsp"></property>  
    </bean>         
  	
  	<!-- 全局异常处理 -->
  	<!--  -->
  	<bean class="org.springframework.web.servlet.handler.SimpleMappingExceptionResolver">
  		<property name="exceptionMappings">
  			<props>
  				<prop key="java.lang.RuntimeException">login</prop>
  			</props>
  		</property>
  	</bean>
  	
  	<!-- 配置MultipartResolver -->
  	<bean id="multipartResolver" 
  	  class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
  	 	<property name="maxUploadSize" value="5000000"></property>
  	 	<property name="defaultEncoding" value="UTF-8"></property> 
  	 </bean>
  	 
</beans>

web.xml配置文件：

<?xml version="1.0" encoding="UTF-8"?>  
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
    xmlns="http://java.sun.com/xml/ns/javaee"  
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"  
    id="WebApp_ID" version="2.5">  
  
      <!-- 这个指定了log4j.xml放置的目录 -->
    <context-param>
		<param-name>log4jConfigLocation</param-name>
		<param-value>classpath:log4j.properties</param-value> 
	</context-param>
	 <!-- 一定要加上这个listener -->
	<listener>  
	    <listener-class>  
	        org.springframework.web.util.Log4jConfigListener 
	    </listener-class>  
	</listener> 
  
    <!-- 配置 DispatcherServlet -->
    <servlet>  
        <servlet-name>springmvc</servlet-name>  
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>  
        <init-param>
            <param-name>contextConfigLocation</param-name>  
            <param-value>classpath:springmvc-servlet.xml</param-value>  
        </init-param>  
        <!--容器启动时就被加载了    -->  
        <load-on-startup>1</load-on-startup>  
    </servlet>  
    <servlet-mapping>  
        <servlet-name>springmvc</servlet-name>  
        <url-pattern>/</url-pattern>  
    </servlet-mapping>  
       	
   	<filter>
		<filter-name>springUtf8Encoding</filter-name>
		<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
		<init-param>
			<param-name>encoding</param-name>
			<param-value>UTF-8</param-value>
		</init-param>
		<init-param>
			<param-name>forceEncoding</param-name>
			<param-value>true</param-value>
		</init-param>
	</filter>
	<filter-mapping>
		<filter-name>springUtf8Encoding</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>

    <welcome-file-list>
    	<welcome-file>/WEB-INF/jsp/login.jsp</welcome-file>
    </welcome-file-list>
    
    <context-param>
    	<param-name>contextConfigLocation</param-name>
    	<param-value>classpath:applicationContext-*.xml</param-value>
    </context-param>
    <!-- 配置Spring的ContextLoaderListener监听器，初始化spring容器 -->
    <listener>
    	<listener-class>
    	 	org.springframework.web.context.ContextLoaderListener
    	</listener-class>
    </listener>

</web-app>

【8】测试结果：

测试输入：

图4

打印日志：

ProviderController-add
ProviderController-save
2.1 uploadFile path ===>D:\java_ee_eclipse\mmb_workplace\.metadata\.plugins\org.eclipse.wst.server.core\tmp4\wtpwebapps\springmvc5\statics\uploadfilesProvider
开始-flag: true
文件数量-flag: true
2.2 new fileName===>uploadFiles
格式-flag: true
18/02/04 00:06:37 INFO Controller.UserController: 2.3 pic_OrgCodeCer ==>D:\java_ee_eclipse\mmb_workplace\.metadata\.plugins\org.eclipse.wst.server.core\tmp4\wtpwebapps\springmvc5\statics\uploadfilesProvider\1517674966575_Personal.jpg
开始-flag: true
文件数量-flag: true
2.2 new fileName===>uploadFiles
格式-flag: true
18/02/04 00:06:37 INFO Controller.UserController: 2.4 pic_BusinessLic==>D:\java_ee_eclipse\mmb_workplace\.metadata\.plugins\org.eclipse.wst.server.core\tmp4\wtpwebapps\springmvc5\statics\uploadfilesProvider\1517674764202_Personal.jpg
flag:true
new provider info1: Provider [id=null, proCode=003, proName=shunfeng, proDesc=KuaiDi, proContact=no3, proPhone=88888888, proFax=0213-13, createBy=null, creationDate=null, modifyDate=null, modifyBy=null, pic_BusinessLic=null, pic_OrgCodeCer=null, proAddress=]
new provider info2: Provider [id=null, proCode=003, proName=shunfeng, proDesc=KuaiDi, proContact=no3, proPhone=88888888, proFax=0213-13, createBy=4, creationDate=null, modifyDate=null, modifyBy=null, pic_BusinessLic=D:\java_ee_eclipse\mmb_workplace\.metadata\.plugins\org.eclipse.wst.server.core\tmp4\wtpwebapps\springmvc5\statics\uploadfilesProvider\1517674764202_Personal.jpg, pic_OrgCodeCer=D:\java_ee_eclipse\mmb_workplace\.metadata\.plugins\org.eclipse.wst.server.core\tmp4\wtpwebapps\springmvc5\statics\uploadfilesProvider\1517674966575_Personal.jpg, proAddress=]
ProviderDao-add
add - sql1: insert into smbms_provider (proCode,proName,proAddress,proFax,proDesc,proContact,createdBy,creatiomDate,pic_BusinessLic,pic_OrgCodeCer) values('003','shunfeng','','0213-13','KuaiDi','no3',4,'2018-02-04 00:06:37','D:\java_ee_eclipse\mmb_workplace\.metadata\.plugins\org.eclipse.wst.server.core\tmp4\wtpwebapps\springmvc5\statics\uploadfilesProvider\1517674764202_Personal.jpg','D:\java_ee_eclipse\mmb_workplace\.metadata\.plugins\org.eclipse.wst.server.core\tmp4\wtpwebapps\springmvc5\statics\uploadfilesProvider\1517674966575_Personal.jpg')
add_result_row - sql:  SELECT ROW_COUNT();

输出结果：