码迷，mamicode.com
首页 > 编程语言 > 详细

SpringMVC案例3----spring3.0项目拦截器、ajax、文件上传应用

时间：2014-07-13 17:08:32      阅读：316      评论：0      收藏：0      [点我收藏+]

标签：springmvc

依旧是项目结构图和所需jar包图：

bubuko.com,布布扣

bubuko.com,布布扣

显示配置文件hib-config.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:aop="http://www.springframework.org/schema/aop"
	xmlns:tx="http://www.springframework.org/schema/tx"
	xmlns:context="http://www.springframework.org/schema/context"
	xsi:schemaLocation="
http://www.springframework.org/schema/beans 
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
http://www.springframework.org/schema/aop 
http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
  http://www.springframework.org/schema/context   
   http://www.springframework.org/schema/context/spring-context-3.0.xsd
">
<context:component-scan base-package="com.sxt"></context:component-scan>
<!-- 支持aop注解 -->
<aop:aspectj-autoproxy></aop:aspectj-autoproxy>

<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
	<property name="driverClassName" value="com.mysql.jdbc.Driver"></property>
	<property name="url" value="jdbc:mysql://localhost:3306/crud"></property>
	<property name="username" value="root"></property>
	<property name="password" value="root"></property>
</bean>

<bean id="sessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
	<property name="dataSource">
		<ref bean="dataSource"></ref>
	</property>
	<property name="hibernateProperties">
		<props>
			<prop key="hibernate.dialect">
				org.hibernate.dialect.MySQLDialect
			</prop>
			<prop key="hibernate.show_sql">
				true
			</prop>
			<prop key="hibernate.hbm2ddl.auto">update</prop>
		</props>
	</property>
	<property name="packagesToScan">
		<value>com.sxt.po</value>
	</property>
</bean>

<bean id="hibernateTemplate" class="org.springframework.orm.hibernate3.HibernateTemplate">
	<property name="sessionFactory" ref="sessionFactory"></property>
</bean>

<!-- 配置一个JdbcTemplate实例 -->
<bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
	<property name="dataSource" ref="dataSource"></property>
</bean>

<!-- 配置事务管理 -->
<bean id="txManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
	<property name="sessionFactory" ref="sessionFactory"></property>
</bean>

<tx:annotation-driven transaction-manager="txManager"/>
<aop:config>
	<aop:pointcut expression="execution(public * com.sxt.service.impl.*.*(..))" id="businessService"/>
	<aop:advisor advice-ref="txAdvice" pointcut-ref="businessService"/>
</aop:config>
<tx:advice id="txAdvice" transaction-manager="txManager">
	<tx:attributes>
		<tx:method name="find*" read-only="true" propagation="NOT_SUPPORTED"/>
		<!-- get开头的方法不需要在事务中运行。有些情况是没有必要使用事务的。比如获取数据，开启事务本身对性能本身是有一定的影响的 -->
		<tx:method name="*"/>
	</tx:attributes>
</tx:advice>
</beans>

再是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:p="http://www.springframework.org/schema/p"    
    xmlns:mvc="http://www.springframework.org/schema/mvc"    
    xmlns:context="http://www.springframework.org/schema/context"    
    xmlns:util="http://www.springframework.org/schema/util"    
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd    
            http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd    
            http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd    
            http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-3.0.xsd">
    <!-- 対web包中的所有的类进行扫描，以完成bean的创建和自动依赖输入功能 -->
    <context:component-scan base-package="com.sxt"></context:component-scan>
    <!-- 启动springmvc的注解功能，完成请求和注解POJO的映射 -->
    <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
    	<property name="cacheSeconds" value="0"></property>
    	<property name="messageConverters">
    		<list>
    			<bean class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter">
    			</bean>
    		</list>
    	</property>
    </bean>
    <!-- 对模型视图名称的解析，即在模型视图名称添加前后缀 -->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver" >
    	<property name="suffix" value=".jsp"></property>
    	<property name="viewClass" value="org.springframework.web.servlet.view.JstlView" />
    </bean>
    <!-- 处理文件上传 -->
    <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
    	<!-- 默认编码 -->
    	<property name="defaultEncoding" value="utf-8"></property>
    	<property name="maxInMemorySize" value="10240"/><!-- 最大内存大小 -->
    	<!-- 上传后的目录名 -->
    	<property name="uploadTempDir" value="/upload/"></property>
    	<!-- 最大文件大小，-1为无限制 -->
    	<property name="maxUploadSize" value="-1"></property>
    	
    </bean>
    <mvc:interceptors>
    	<!-- 拦截所有springmvc的url -->
    	<bean class="com.sxt.interceptor.MyInterceptor"></bean>
    	<mvc:interceptor>
    		<mvc:mapping path="/user.do"/>
    		<bean class="com.sxt.interceptor.MyInterceptor2"></bean>
    	</mvc:interceptor>
    </mvc:interceptors>
</beans>

web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" 
	xmlns="http://java.sun.com/xml/ns/javaee" 
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
	http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
	<servlet>
		<servlet-name>springmvc</servlet-name>
		<servlet-class>
			org.springframework.web.servlet.DispatcherServlet
		</servlet-class>
		<init-param>
			<param-name>contextConfigLocation</param-name>
			<param-value>
				/WEB-INF/hib-config.xml,/WEB-INF/springmvc-servlet.xml
			</param-value>
		</init-param>
		<load-on-startup>1</load-on-startup>
	</servlet>
	<servlet-mapping>
		<servlet-name>springmvc</servlet-name>
		<url-pattern>*.do</url-pattern>
	</servlet-mapping>
</web-app>
dao层的userDao

package com.sxt.dao;

import javax.annotation.Resource;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.orm.hibernate3.HibernateTemplate;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Repository;

import com.sxt.po.User;
@Repository("userDao")
public class UserDao {
	@Autowired
	private HibernateTemplate hibernateTemplate ;
	
	public void add(User u){
		System.out.println("userDao.add()");
		hibernateTemplate.save(u) ;
	}
	
}

模型层的user类

package com.sxt.po;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;

@Entity
public class User {
	private int id ;
	private String name ;
	private String pwd ;
	public User(){}
	public User(String name,String pwd){
		this.name = name ;
		this.pwd = pwd ;
	}
	@Id
	@GeneratedValue(strategy=GenerationType.AUTO)
	public int getId() {
		return id;
	}
	public void setId(int id) {
		this.id = id;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public String getPwd() {
		return pwd;
	}
	public void setPwd(String pwd) {
		this.pwd = pwd;
	}
	
	
}

service层的userService类
package com.sxt.service;

import javax.annotation.Resource;

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

import com.sxt.dao.UserDao;
import com.sxt.po.User;
@Service("userService")
public class UserService {
	@Autowired
	private UserDao userDao ;
	public void add(String name){
		System.out.println("UserService.add()");
		User u = new User() ;
		u.setName(name) ;
		userDao.add(u) ;
	}
	
}
controller层的userController类

package com.sxt.action;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.SessionAttributes;

import com.sxt.service.UserService;
@org.springframework.stereotype.Controller("userController")
@RequestMapping("/user.do")
@SessionAttributes({"uname"})
public class UserController{
	@Autowired
	private UserService userService ;
	@RequestMapping(params="method=reg")
	public String reg(String uname){
		System.out.println("UserController.reg()");
		userService.add(uname) ;
		return "index" ;
	}
	@RequestMapping(params="method=reg2")
	public String reg2(@RequestParam("uname")String name,ModelMap map){
		System.out.println("UserController.reg2()");
		userService.add(name) ;
		map.put("b", "bbb") ;
		return "index" ;
	}
	@RequestMapping(params="method=reg3")
	public String reg3(String uname,ModelMap map){
		System.out.println("UserController.reg3()");
		userService.add(uname) ;
		System.out.println(uname);
		map.put("uname", uname) ;
		return "index" ;
	}
	@RequestMapping(params="method=reg4")
	public String reg4(String uname,ModelMap map){
		System.out.println("UserController.reg4()");
//		return "forward:user.do?method=reg3" ;    //转发，不写默认就是转发
		return "redirect:http://www.baidu.com" ;//重定向
	}
	@RequestMapping(params="method=reg5")
	public String reg5(String uname){
		System.out.println("UserController.reg4()");
		return "redirect:http://www.baidu.com" ;//重定向
	}
	
}

MyAjaxController类

package com.sxt.action;

import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;

import com.sxt.po.User;
@Controller
@RequestMapping("myajax.do")
public class MyAjaxController {
	@RequestMapping(params="method=test2",method=RequestMethod.GET)
	public @ResponseBody List<User> test1(String uname) throws Exception{
		String uname2 = new String(uname.getBytes("iso8859-1"),"utf-8") ;
		System.out.println(uname2);
		System.out.println("MyAjaxController.test1()");
		List<User> list = new ArrayList<User>() ;
		list.add(new User("吴海旭","123")) ;
		list.add(new User("韩敬琼","456")) ;
		System.out.println(list.size());
		return list ;
	}
}

FileUoLoadController类

package com.sxt.action;

import java.io.File;
import java.util.Date;

import javax.servlet.ServletContext;

import org.apache.log4j.chainsaw.Main;
import org.springframework.stereotype.Controller;
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.context.ServletContextAware;
import org.springframework.web.multipart.commons.CommonsMultipartFile;
@Controller("fileUpLoadController")
public class FileUpLoadController implements ServletContextAware{
	private ServletContext servletContext ;
	@Override
	public void setServletContext(ServletContext servletContext) {
		// TODO Auto-generated method stub
		this.servletContext = servletContext ;
	}
	@RequestMapping(value="/upload.do",method=RequestMethod.POST)
	public String handleUploadData(String name,@RequestParam("file")CommonsMultipartFile file){
		if(!file.isEmpty()){
			//获取本地存储路径，必须在项目下建立一个这样的路径
			String path = this.servletContext.getRealPath("/upload/") ;
			System.out.println(path);
			//获取文件名称
			String fileName = file.getOriginalFilename() ;
			//获取文件后缀名
			String fileType = fileName.substring(fileName.lastIndexOf(".")) ;
			System.out.println(fileType);
			File file2 = new File(path,new Date().getTime()+fileType) ;
			try {
				file.getFileItem().write(file2) ;
			} catch (Exception e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			return "redirect:upload_ok.jsp" ;
		}else{
			return "redirect:upload_error.jsp" ;
		}
	}
}

拦截器层的MyInterceptor类

package com.sxt.interceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

public class MyInterceptor implements HandlerInterceptor{

	@Override
	public void afterCompletion(HttpServletRequest arg0,
			HttpServletResponse arg1, Object arg2, Exception arg3)
			throws Exception {
		// TODO Auto-generated method stub
		System.out.println("最后执行，一般用于释放资源！！！");
	}

	@Override
	public void postHandle(HttpServletRequest arg0, HttpServletResponse arg1,
			Object arg2, ModelAndView arg3) throws Exception {
		// TODO Auto-generated method stub
		System.out.println("action执行之后，生成视图之前！！");
	}

	@Override
	public boolean preHandle(HttpServletRequest arg0, HttpServletResponse arg1,
			Object arg2) throws Exception {
		// TODO Auto-generated method stub
		System.out.println("action之前执行");
		return true;
	}

}

MyInterceptor2类

package com.sxt.interceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;

public class MyInterceptor2 extends HandlerInterceptorAdapter{
	@Override
	public boolean preHandle(HttpServletRequest request,
			HttpServletResponse response, Object handler) throws Exception {
		// TODO Auto-generated method stub
		System.out.println("MyInterceptor2.preHandle()");
		return true;
	}
}

用于测试ajax的a.jsp文件

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>My JSP 'a.jsp' starting page</title>
    
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->
	<script>
		function createAjaxObj(){
			var req ;
			if(window.XMLHttpRequest){
				req = new XMLHttpRequest() ;
			}else{
				req = new ActiveXObject("Msxml2.XMLHTTP") ;
			}
			return req ;
		}
		function sendAjaxReq(){
			var req = createAjaxObj() ;
			req.open("get","myajax.do?method=test2&uname=张三") ;
			req.setRequestHeader("accept","application/json") ;
			req.onreadystatechange = function(){
				var msg = req.responseText ;
				eval("var result=" + msg) ;
				document.getElementById("div1").innerHTML = result[0].name ;
			}
			req.send(null) ;
		}
	</script>
  </head>
  
  <body>
    <a href="javascript:void(0);" onclick="sendAjaxReq();">测试</a>
    <div id="div1"></div>
  </body>
</html>

index.jsp

<%@ page language="java" import="java.util.*" pageEncoding="GB18030"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>My JSP 'index.jsp' starting page</title>
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->
  </head>
  
  <body>
  	${requestScope.uname} <br />
  	${sessionScope.uname} <br />
  </body>
</html>

index2.jsp

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>My JSP 'index2.jsp' starting page</title>
    
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->

  </head>
  
  <body>
    <form action="user.do">
    	姓名：<input type="text" name="uname"/><br />
    	<input type="hidden" name="method" value="reg3">
    	<input type="submit" value="注册 " />
    </form>
  </body>
</html>

upload_error.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>My JSP 'upload_error.jsp' starting page</title>
    
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->

  </head>
  
  <body>
    	<h1>上传失败！</h1>
  </body>
</html>

upload_ok.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>My JSP 'upload_ok.jsp' starting page</title>
    
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->

  </head>
  
  <body>
    	<h1>上传成功！</h1>
  </body>
</html>

upload.jsp

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>测试springmvc中的上传的实现</title>
    
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->

  </head>
  
  <body>
    <form action="upload.do" method="post" enctype="multipart/form-data">
    	<input type="text" name="name" />
    	<input type="file" name="file" />
    	<input type="submit" />
    </form>
  </body>
</html>

至此整个springmvc重要的东西测试完毕！


SpringMVC案例3----spring3.0项目拦截器、ajax、文件上传应用,布布扣,bubuko.com

SpringMVC案例3----spring3.0项目拦截器、ajax、文件上传应用

标签：springmvc

原文地址：http://blog.csdn.net/benjamin_whx/article/details/37728485
踩
(0)
赞
(0)
   
举报
评论 一句话评论（0）
登录后才能评论！
分享档案
更多>
2021年07月29日 (22)
2021年07月28日 (40)
2021年07月27日 (32)
2021年07月26日 (79)
2021年07月23日 (29)
2021年07月22日 (30)
2021年07月21日 (42)
2021年07月20日 (16)
2021年07月19日 (90)
2021年07月16日 (35)
周排行
mamicode.com排行更多图片
更多
友情链接
兰亭集智   国之画   百度统计   站长统计   阿里云   chrome插件   新版天听网
关于我们 - 联系我们 - 留言反馈
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码！