SpringMvc对Rest风格的支持及获取PathVariable变量
工程目录：
web.xml
<?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">
<display-name>SpringMvc-01</display-name>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<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:spring-mvc.xml</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>springmvc</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>spring-mvc.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:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.1.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">
<!-- 使用注解的包，包括子集 -->
<context:component-scan base-package="com.java1234"/>
<!-- 视图解析器 -->
<bean id="viewResolver"
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/jsp/" />
<property name="suffix" value=".jsp"></property>
</bean>
</beans>
Article.java
package com.java1234.model;
public class Article {
private int id;
private String title;
private String content;
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public String getContent() {
return content;
}
public void setContent(String content) {
this.content = content;
}
public Article() {
super();
// TODO Auto-generated constructor stub
}
public Article(String title, String content) {
super();
this.title = title;
this.content = content;
}
}
ArticleController.java
package com.java1234.controller;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;
import com.java1234.model.Article;
@Controller
@RequestMapping("/article")
public class ArticleController {
@RequestMapping("/list")
public String list(Model model) {
return "article/list";
}
@RequestMapping("/details/{id}")
public ModelAndView details(@PathVariable("id") int id) {
ModelAndView mav=new ModelAndView();
if(id==1) {
mav.addObject("article",new Article("文章一","文章一的内容"));
}else if(id==2) {
mav.addObject("article",new Article("文章二","文章二的内容"));
}
mav.setViewName("article/details");
return mav;
}
}
list.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<table>
<tr>
<td>文章列表</td><td>内容</td>
</tr>
<tr>
<td>1</td>
<td><a href="${pageContext.request.contextPath}/article/details/1" target="_blank">文章一</a></td>
</tr>
<tr>
<td>2</td>
<td><a href="${pageContext.request.contextPath}/article/details/2" target="_blank">文章二</a></td>
</tr>
</table>
</body>
</html>
details.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<p>${article.title }</p>
<p>${article.content }
</body>
</html>运行：