springmvc复习笔记----Restful 风格，PathVariable获取 Url实例

结构

包与之前相同

<?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>springmvc01</display-name>
  <welcome-file-list>
<welcome-file>index.jsp</welcome-file>
  </welcome-file-list>
  <servlet>
    <servlet-name>springDispatcherServlet</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>springDispatcherServlet</servlet-name>
    <url-pattern>/</url-pattern>
  </servlet-mapping>
  
  <filter>
    <filter-name>characterEncodingfilter</filter-name>
    <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
    <init-param>
      <param-name>encoding</param-name>
      <param-value>utf8</param-value>
    </init-param>
  </filter>
  <filter-mapping>
  <filter-name>characterEncodingfilter</filter-name>
  <url-pattern>*</url-pattern>
  </filter-mapping>
</web-app>
View Code
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="http://www.springframework.org/schema/beans"
        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-4.3.xsd
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context-4.3.xsd">
<!--   自动扫描加载注解的包 -->
<context:component-scan base-package="com.ij34.bean"/>
<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver"> 
<property name="prefix" value="/WEB-INF/view/"></property>
<property name="suffix" value=".jsp" ></property>
</bean>
</beans>
View Code

 

 

web.xml 、spring-mvc.xml不变

 

index.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<% response.sendRedirect("articles/list")

list.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!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>
<table>
<tr>
<th colspan="2">文章列表</th>
</tr>
<tr>
<td>1</td>
<td><a href="${pageContext.request.contextPath }/articles/show/1" target="_blank">文章一</a></td>
</tr>
<tr>
<td>2</td>
<td><a href="${pageContext.request.contextPath }/articles/show/2" target="_blank">文章二</a></td>
</tr>
</table>
</body>
</html>

show.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!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>
<p style="font-style: 16;font-weight:bold " >${articles.name}</p>
<p>${articles.context }</p>
</body>
</html>

Article.java

package com.ij34.model;

public class Article {
   private String id;
   private String name;
   private String context;
   public Article() {
    // TODO Auto-generated constructor stub   
}
   public Article(String name,String context) {
    this.name=name;
    this.context=context;
    
}
public String getId() {
    return id;
}
public void setId(String id) {
    this.id = id;
}
public String getName() {
    return name;
}
public void setName(String name) {
    this.name = name;
}
public String getcontext() {
    return context;
}
public void setcontext(String context) {
    this.context = context;
}
   
}

Testhello.java

package com.ij34.bean;

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.ij34.model.Article;

@Controller
@RequestMapping("/articles")  //外部请求的 包括update.jsp里${students.name }
public class Testhello {

  @RequestMapping("/list")   //@RequestMapping  请求映射
  public String list(Model model) {
       return "articles/list";
 }

  @RequestMapping("/show/{id}") 
  public ModelAndView show(@PathVariable("id")int id){//@RequestParam  请求参数   
       ModelAndView mav=new ModelAndView();
       if(id==1){
           mav.addObject("articles", new Article("文章一","这是文章1的内容！！！！！！！！"));
       }else if(id==2){
           mav.addObject("articles", new Article("文章二","这是文章2的内容！！！！！！！！"));
       }
       mav.setViewName("articles/show"); 
       return mav;
  }
}

结果

 

posted on 2017-04-01 11:08  Honey_Badger  阅读(1936)  评论(0)  编辑  收藏  举报

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