spring mvc:内部资源视图解析器2(注解实现)@Controller/@RequestMapping

时间:2023-03-09 21:22:15
spring mvc:内部资源视图解析器2(注解实现)@Controller/@RequestMapping

spring mvc:内部资源视图解析器2(注解实现)  @Controller/@RequestMapping

访问地址:

http://localhost:8080/guga2/hello/good

http://localhost:8080/guga2/hello/index

项目:guga2

包名:springxmlviewresolver

此实例配置文件有: web.xml, applicationContext.xml, springxmlviewresolver-servlet.xml, views.xml

web.xml

  <!--配置文件路径-->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/applicationContext.xml</param-value>
</context-param> <!-- 字符过滤器 -->
<filter>
<filter-name>encodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping> <!-- 监听转发 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<servlet>
<servlet-name>springxmlviewresolver</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>springxmlviewresolver</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>

  

applicationContext.xml

自动扫描包名加载信息

<beans
xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd"> <!-- 默认:注解映射支持 -->
<mvc:annotation-driven/>
<!-- 静态资源配置 -->
<mvc:resources location="/pages/**" mapping="/pages/"/> <!-- 自动扫描包名,controller -->
<context:component-scan base-package="springxmlviewresolver"/> </beans>

springxmlviewresolver-servlet.xml

自动设置内部资源解析视图

<beans
xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd"> <!-- xmlviewResolver -->
<bean class="org.springframework.web.servlet.view.XmlViewResolver">
<property name="location">
<value>/WEB-INF/views.xml</value>
</property>
</bean> </beans>

  

views.xml

内部解析视图实例

<beans
xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd"> <bean id="hello" class="org.springframework.web.servlet.view.JstlView">
<property name="url" value="/WEB-INF/jsp/hello.jsp"/>
</bean>
<bean id="hello_good" class="org.springframework.web.servlet.view.JstlView">
<property name="url" value="/WEB-INF/jsp/hello_good.jsp"/>
</bean> </beans>

  

注意此处:

<bean id="hello_good" class="org.springframework.web.servlet.view.JstlView">
<property name="url" value="/WEB-INF/jsp/hello_good.jsp"/>
</bean> 

id名称,跟 jsp文件名称一致,同时要跟helloController对应方法中的hello/good返回的视图名称一致.

HelloController.java

package springxmlviewresolver;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.ui.ModelMap; @Controller
public class HelloController { @RequestMapping(value="/hello/index", method=RequestMethod.GET)
public String printHello(ModelMap model)
{
model.addAttribute("message", "spring mvc framework 映射页面与请求实例!!!!!!");
return "hello";
} @RequestMapping(value="/hello/good", method=RequestMethod.GET)
public String printGood(ModelMap model)
{
model.addAttribute("message", "spring mvc framework 映射页面与请求实例??????");
return "hello_good";
} }

  

jsp大同小异

<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%>
<%@ page isELIgnored="false" %>
<!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>hello world</title>
</head>
<body> ${message} </body>
</html>