springmvc+spring框架
jar包
1 com.springsource.javax.validation-1.0.0.GA.jar 2 com.springsource.org.aopalliance-1.0.0.jar 3 com.springsource.org.apache.commons.logging-1.1.1.jar 4 commons-fileupload-1.2.2.jar 5 commons-io-2.0.1.jar 6 hibernate-validator-4.1.0.Final.jar 7 jstl.jar 8 log4j.jar 9 slf4j-api-1.5.8.jar 10 slf4j-log4j12.jar 11 spring-aop-3.2.2.jar 12 spring-aspects-3.2.2.jar 13 spring-beans-3.2.2.jar 14 spring-context-3.2.2.jar 15 spring-context-support-3.2.2.jar 16 spring-core-3.2.2.jar 17 spring-expression-3.2.2.jar 18 spring-tx-3.2.2.jar 19 spring-web-3.2.2.jar 20 spring-webmvc-3.2.2.jar 21 standard.jar
web.xml
1 <?xml version="1.0" encoding="UTF-8"?> 2 <web-app version="2.5" 3 xmlns="http://java.sun.com/xml/ns/javaee" 4 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 5 xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 6 http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"> 7 8 <context-param> 9 <param-name>contextConfigLocation</param-name> 10 <param-value>classpath:beans.xml</param-value> 11 </context-param> 12 <listener> 13 <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> 14 </listener> 15 16 <servlet> 17 <servlet-name>action</servlet-name> 18 <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> 19 <init-param> 20 <param-name>contextConfigLocation</param-name> 21 <param-value>classpath:spring-mvc.xml</param-value> 22 </init-param> 23 <load-on-startup>1</load-on-startup> 24 </servlet> 25 26 <servlet-mapping> 27 <servlet-name>action</servlet-name> 28 <url-pattern>/</url-pattern> 29 </servlet-mapping> 30 31 <welcome-file-list> 32 <welcome-file>index.jsp</welcome-file> 33 </welcome-file-list> 34 </web-app>
beans.xml
1 <?xml version="1.0" encoding="UTF-8"?> 2 <beans xmlns="http://www.springframework.org/schema/beans" 3 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 4 xmlns:mvc="http://www.springframework.org/schema/mvc" 5 xmlns:context="http://www.springframework.org/schema/context" 6 xsi:schemaLocation="http://www.springframework.org/schema/beans 7 http://www.springframework.org/schema/beans/spring-beans-3.2.xsd 8 http://www.springframework.org/schema/mvc 9 http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd 10 http://www.springframework.org/schema/context 11 http://www.springframework.org/schema/context/spring-context-3.2.xsd "> 12 13 <!-- 自动扫描 --> 14 <context:component-scan base-package="cn.itcast.springmvc.service"/> 15 16 </beans>
spring-mvc.xml
1 <?xml version="1.0" encoding="UTF-8"?> 2 <beans xmlns="http://www.springframework.org/schema/beans" 3 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 4 xmlns:mvc="http://www.springframework.org/schema/mvc" 5 xmlns:context="http://www.springframework.org/schema/context" 6 xsi:schemaLocation="http://www.springframework.org/schema/beans 7 http://www.springframework.org/schema/beans/spring-beans-3.2.xsd 8 http://www.springframework.org/schema/mvc 9 http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd 10 http://www.springframework.org/schema/context 11 http://www.springframework.org/schema/context/spring-context-3.2.xsd "> 12 13 <!-- 自动扫描 --> 14 <context:component-scan base-package="cn.itcast.springmvc.web.controller"/> 15 16 <!-- 注解驱动 --> 17 <mvc:annotation-driven/> 18 19 <!-- 资源管理 --> 20 <mvc:resources location="/resources/" mapping="/resources/**"/> 21 <mvc:resources location="/upload/" mapping="/upload/**"/> 22 23 <!-- 上传文件解析器 --> 24 <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver"> 25 <property name="maxUploadSize" value="10485670"/> <!-- 10M --> 26 </bean> 27 28 <!-- 内部资源视图解析器 prefix + logicName + suffix /WEB-INF/jsps/ + index + .jsp--> 29 <bean id="internalResourceViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver"> 30 <!-- 前缀 --> 31 <property name="prefix" value="/WEB-INF/jsps/"/> 32 <!-- 后缀 --> 33 <property name="suffix" value=".jsp"/> 34 </bean> 35 36 </beans>
HomeController.java
1 package cn.itcast.springmvc.web.controller; 2 3 import org.springframework.stereotype.Controller; 4 import org.springframework.web.bind.annotation.RequestMapping; 5 6 @Controller 7 public class HomeController { 8 9 @RequestMapping(value={"/","/home.action"}) 10 public String goHome(){ 11 System.out.println("Brave New World!"); 12 13 return "index"; 14 } 15 }
PersonController.java
1 package cn.itcast.springmvc.web.controller; 2 3 import java.io.File; 4 import java.io.IOException; 5 import java.util.List; 6 import java.util.Map; 7 8 import javax.annotation.Resource; 9 import javax.servlet.ServletContext; 10 import javax.servlet.http.HttpServletRequest; 11 import javax.validation.Valid; 12 13 import org.apache.commons.io.FileUtils; 14 import org.springframework.stereotype.Controller; 15 import org.springframework.ui.Model; 16 import org.springframework.validation.BindingResult; 17 import org.springframework.web.bind.annotation.RequestMapping; 18 import org.springframework.web.bind.annotation.RequestMethod; 19 import org.springframework.web.bind.annotation.RequestParam; 20 import org.springframework.web.multipart.MultipartFile; 21 22 import cn.itcast.springmvc.domain.Person; 23 import cn.itcast.springmvc.service.PersonService; 24 25 @Controller 26 @RequestMapping("/person") 27 public class PersonController { 28 29 @Resource 30 private PersonService ps; 31 32 33 //列表 34 @RequestMapping("/listAll") 35 public String listAll(Map<String,Object> model){ 36 List<Person> personList = ps.listAll(); 37 model.put("personList", personList); 38 39 System.out.println(" listall hello"); 40 41 return "person/jPersonList"; 42 } 43 44 //列表 45 @RequestMapping("/listAllOther") 46 public String listAllOther(Model model){ 47 List<Person> personList1 = ps.listAll(); 48 model.addAttribute(personList1); 49 50 System.out.println(" listallother1 hello"); 51 52 return "person/jPersonList"; 53 } 54 55 //转向新增页面 56 @RequestMapping(value={"/tocreate"},method=RequestMethod.GET) 57 public String tocreate(){ 58 59 return "person/jPersonCreate"; 60 } 61 62 //转向修改页面 63 @RequestMapping("/toupdate") 64 public String toupdate(Integer id, Model model){ 65 Person p = ps.get(id); 66 model.addAttribute(p); 67 68 return "person/jPersonUpdate"; 69 } 70 71 //保存 72 @RequestMapping("/saveOrUpdate") 73 public String saveOrUpdate( HttpServletRequest request,@Valid Person p, BindingResult br, MultipartFile photo) throws IOException{ 74 //错误处理 75 if(br.hasErrors()){ 76 return "/person/jPersonUpdate"; 77 } 78 79 //上传图片 80 ServletContext sc = request.getSession().getServletContext(); 81 String dir = sc.getRealPath("/upload/"); 82 String fileName = photo.getOriginalFilename(); 83 84 //防止图片覆盖 85 Long _l = System.nanoTime(); 86 String _extName = fileName.substring(fileName.indexOf(".")); 87 fileName = _l + _extName; 88 89 FileUtils.writeByteArrayToFile(new File(dir, fileName), photo.getBytes()); 90 91 p.setPhotoPath("/upload/"+fileName); //指定图片保存路径 92 93 ps.save(p); 94 return "redirect:/person/listAll"; 95 } 96 97 //删除 98 @RequestMapping("/delete") 99 public String delete(@RequestParam("delId")Integer id){ 100 ps.deleteById(id); 101 return "redirect:/person/listAll"; 102 } 103 }
PersonService.java
1 package cn.itcast.springmvc.service; 2 3 import java.util.ArrayList; 4 import java.util.HashMap; 5 import java.util.List; 6 import java.util.Map; 7 8 import org.springframework.stereotype.Service; 9 10 import cn.itcast.springmvc.domain.Person; 11 12 @Service 13 public class PersonService { 14 //初始化信息 15 private static Integer id = 0; 16 private static Map<Integer,Person> map = new HashMap<Integer,Person>(); 17 static{ 18 Person p = null; 19 for(int i=0;i<10;i++){ 20 p = new Person(); 21 22 p.setId(id); 23 p.setName("tony"+i); 24 p.setAge(20+i); 25 26 map.put(p.getId(), p); 27 28 id++; 29 } 30 } 31 32 //列表 33 public List<Person> listAll(){ 34 return new ArrayList(map.values()); 35 } 36 37 //获取对象 38 public Person get(Integer id){ 39 return map.get(id); 40 } 41 42 //保存 43 public void save(Person p){ 44 if(p.getId()==null){ 45 id++; 46 p.setId(id); 47 } 48 map.put(p.getId(), p); 49 } 50 51 //删除 52 public void deleteById(Integer id){ 53 map.remove(id); 54 } 55 56 57 }
Person.java
1 package cn.itcast.springmvc.domain; 2 3 import javax.validation.constraints.NotNull; 4 import javax.validation.constraints.Size; 5 6 public class Person { 7 private Integer id; 8 public Integer getId() { 9 return id; 10 } 11 public void setId(Integer id) { 12 this.id = id; 13 } 14 public String getName() { 15 return name; 16 } 17 public void setName(String name) { 18 this.name = name; 19 } 20 public Integer getAge() { 21 return age; 22 } 23 public void setAge(Integer age) { 24 this.age = age; 25 } 26 @Size(min=3,max=10,message="用户名必须为3到10个字符!") 27 private String name; 28 @NotNull(message="年龄必须填写!") 29 private Integer age; 30 private String photoPath; 31 public String getPhotoPath() { 32 return photoPath; 33 } 34 public void setPhotoPath(String photoPath) { 35 this.photoPath = photoPath; 36 } 37 }
WEB-INF下的jsps文件夹下
jPersonList.jsp
1 <%@ page language="java" pageEncoding="UTF-8"%> 2 <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%> 3 <html> 4 <head> 5 <title>My JSP 'index.jsp' starting page</title> 6 </head> 7 8 <body> 9 <h2>用户列表</h2> 10 11 <div style="padding:10px;"><a href="${pageContext.request.contextPath}/person/tocreate.action">新增</a></div> 12 13 <table border="1"> 14 <tr> 15 <td>photo</td> 16 <td>id</td> 17 <td>name</td> 18 <td>age</td> 19 <td>操作</td> 20 </tr> 21 22 <c:forEach items="${personList}" var="p"> 23 <tr> 24 <td><img src="${pageContext.request.contextPath}${p.photoPath}"/></td> 25 <td>${p.id}</td> 26 <td>${p.name}</td> 27 <td>${p.age}</td> 28 <td> 29 <a href="${pageContext.request.contextPath}/person/toupdate.action?id=${p.id}">修改</a> 30 <a href="${pageContext.request.contextPath}/person/delete.action?delId=${p.id}">删除</a> 31 </td> 32 </tr> 33 </c:forEach> 34 35 </table> 36 </body> 37 </html>
jPersonCreate.jsp
1 <%@ page language="java" pageEncoding="UTF-8"%> 2 <html> 3 <head> 4 <title>My JSP 'index.jsp' starting page</title> 5 </head> 6 7 <body> 8 <form action="${pageContext.request.contextPath}/person/saveOrUpdate.action" method="post" enctype="multipart/form-data"> 9 <h2>新增用户</h2> 10 <table> 11 <tr> 12 <td>id:</td> 13 <td><input type="text" name="id"/></td> 14 </tr> 15 <tr> 16 <td>name:</td> 17 <td><input type="text" name="name"/></td> 18 </tr> 19 <tr> 20 <td>age:</td> 21 <td><input type="text" name="age"/></td> 22 </tr> 23 <tr> 24 <td>photo:</td> 25 <td><input type="file" name="photoPathxx"/></td> 26 </tr> 27 <tr> 28 <td colspan="2"> 29 <input type="submit"/> 30 </td> 31 </tr> 32 </table> 33 34 </form> 35 </body> 36 </html>
jPersonUpdate.jsp
1 <%@ page language="java" pageEncoding="UTF-8"%> 2 3 <%@ taglib uri="http://www.springframework.org/tags/form" prefix="sf"%> 4 <html> 5 <head> 6 <title>My JSP 'index.jsp' starting page</title> 7 </head> 8 9 <body> 10 <sf:form id="p" action="saveOrUpdate" 11 method="post" 12 enctype="multipart/form-data" 13 modelAttribute="person"> 14 15 16 <h2>修改用户</h2> 17 18 <table border="1"> 19 <tr> 20 <td>id:</td> 21 <td><sf:input path="id"/></td> 22 </tr> 23 <tr> 24 <td>name:</td> 25 <td><sf:input path="name"/><sf:errors path="name"/></td> 26 </tr> 27 <tr> 28 <td>age:</td> 29 <td><sf:input path="age"/><sf:errors path="age"/></td> 30 </tr> 31 <tr> 32 <td>photo:</td> 33 <td><input type="file" name="photo"/></td> 34 </tr> 35 <tr> 36 <td><input type="submit"/></td> 37 </tr> 38 39 </table> 40 41 </sf:form> 42 </body> 43 </html>
index.jsp
1 <%@ page language="java" pageEncoding="UTF-8"%> 2 <html> 3 <head> 4 <title>My JSP 'index.jsp' starting page</title> 5 </head> 6 7 <body> 8 <img src="${pageContext.request.contextPath}/resources/girl.jpg"><br/> 9 This is my JSP page. spring MVC Brave New World!<br/> 10 </body> 11 </html>