springMVC 静态文件访问

Posted 2020-07-27 wujixing909

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1. 新建web project

2. 导入所需jar包

3. 更改web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0" 
	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_3_0.xsd">
  <display-name></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*:config/spring-servlet.xml</param-value>
  	</init-param>
  	<load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
  	<servlet-name>springMVC</servlet-name>
  	<url-pattern>/</url-pattern>
  </servlet-mapping>
  
</web-app>

4. 创建config 包, 新建spring-servlet.xml, 添加如下语句

　　<mvc:resources location="/img/" mapping="/img/**"/>

<?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"    
    xmlns:mvc="http://www.springframework.org/schema/mvc"    
    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"> 
    
     <context:component-scan base-package="com.tgb.web.controller" />     

     <bean name="/test1/img" class="com.tgb.web.controller.StaticController">
    	<property name="methodNameResolver">
    		<ref bean="paramMethodResolver"/>
    	</property>
    </bean>
    
    <!-- 静态资源访问 -->
    <mvc:resources location="/img/" mapping="/img/**"/>
    <bean id="paramMethodResolver" class="org.springframework.web.servlet.mvc.multiaction.ParameterMethodNameResolver">
    	<property name="paramName" value="do"></property>
    </bean>
    	
    <!-- ViewResolver 视图解析器 --> 
    <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/"/> 
        <property name="suffix" value=".jsp"/> 
    </bean>
     
</beans>

　5. 新建controller包, com.tgb.web.controller, 新建StaticController.java

package com.tgb.web.controller;

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

import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.multiaction.MultiActionController;

public class StaticController extends MultiActionController{
	public ModelAndView img(HttpServletRequest request, HttpServletResponse response){
		return new ModelAndView("/staticFile");
	}	
}

6. 新建staticFile.jsp, 目录在webroot下

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>   
    <title>My JSP ‘staticFile.jsp‘ starting page</title>
  </head>
  
  <body>      	
      <h> 图片访问 </h> <br>
      <div>
      	<img alt="图片" src="${pageContext.request.contextPath}/img/a.jpg">
      </div>
  </body>
  </body>  
</html>

7. webroot下新建img文件夹, 放入a.jpg文件

8. IE输入网址测试

http://localhost:8080/springMVC2/test1/img?do=img

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