SpringMVC

最新推荐文章于 2023-04-25 19:37:05 发布
原创最新推荐文章于 2023-04-25 19:37:05 发布 · 169 阅读
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<pre code_snippet_id="2534904" snippet_file_name="blog_20170815_1_6905900" name="code" class="java"><h1><a name="t0"></a>SpringMVC的配置文件</h1>  
<?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: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-3.0.xsd  
       http://www.springframework.org/schema/context  
       http://www.springframework.org/schema/context/spring-context-3.0.xsd">  
  
 <strong>   <!--方式二：使用Tomcat默认的Servlet解决静态资源无法请求的问题--></strong>  
       <!-- 静态资源无法加载-->  
    <!--<mvc:default-servlet-handler/>-->  
  
    <strong><!--方式三：使用新的方式 resources标签--></strong>  
    <!--有图片之后注释了之后刷新之后还有  要ctrl+F5图片才没因为把缓存去掉了-->  
    <!--<mvc:resources  location="img/" mapping="img/**"/>-->  
  
    <!--<strong>处理器映射器</strong>  （没反应）-->  
    <!-- <bean class="org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping"></bean>-->  
  
    <bean class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">  
        <!--<property name="mappings">  
            <props>  
                <prop key="hello.do">FirstController</prop>  
                <prop key="haha.do">FirstController</prop>  
            </props>  
        </property>-->  
        <property name="urlMap">  
            <map>  
                <entry key="hello.do">  
                    <value>FirstController</value>  
                </entry>  
                <entry key="haha.do" value="FirstController"></entry>  
            </map>  
        </property>  
    </bean>  
  
 <strong>   <!--注册Hanlder  处理器--></strong>  
    <bean id="FirstController" class="cn.happy.controller.FirstController"/>  
   <!-- <bean id="/hello.do" class="cn.happy.controller.FirstController"/>-->  
<strong>  
    <!--视图解析器--></strong>  
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">  
        <property name="prefix" value="/WEB-INF/"></property>  
        <property name="suffix" value=".jsp"></property>  
    </bean>  
  
  
</beans>  
  
</pre><br>  
<servlet-name>springmvc</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping>  
<h1><a name="t1"></a>web.xml配置</h1>  
<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd" ><web-app> <display-name>Archetype Created Web Application</display-name>  
<strong><!--核心控制器的配置 DispatcherServlet--></strong> <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:springmvc-servlet-hander.xml</param-value>  
 </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <strong>  
<!--方式一：使用Tomcat默认的Servlet解决静态资源无法请求的问题--></strong> <!--<servlet-mapping> <servlet-name>default</servlet-name> <url-pattern>*.jpg</url-pattern> </servlet-mapping>--></web-app>  
<pre></pre>  
<pre code_snippet_id="2534904" snippet_file_name="blog_20170815_2_3001422" name="code" class="java"><pre code_snippet_id="2534904" snippet_file_name="blog_20170815_2_3001422" name="code" class="java"><h1><a name="t2"></a>实现Controller接口</h1>  
public class FirstController implements Controller{  
    public ModelAndView handleRequest(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) throws Exception {  
       ModelAndView model=new ModelAndView();  
       model.addObject("uname","你是小仙女吗？ 回答：是呀，哈哈哈哈");  
       //model.setViewName("/WEB-INF/zxy.jsp");  
        model.setViewName("zxy");  
       return model;  
    }  
}</pre><br>  
<br>  
<pre></pre>  
<p><br>  
</p>  
<p></p><pre code_snippet_id="2534904" snippet_file_name="blog_20170815_3_4811566" name="code" class="java"><h1><a name="t3"></a>继承AbstractController</h1>  
public class SecondController extends AbstractController {  
  
    protected ModelAndView handleRequestInternal(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) throws Exception {  
        ModelAndView model=new ModelAndView();  
        model.addObject("uname","你是小仙女吗？ 回答：是呀，哈哈哈哈");  
        model.setViewName("zxy");  
        return model;  
    }  
}</pre><pre code_snippet_id="2534904" snippet_file_name="blog_20170815_4_8781300" name="code" class="java"><strong>配置2  继承的配置文件</strong><pre code_snippet_id="2534904" snippet_file_name="blog_20170815_4_8781300" name="code" class="java">JSP页面  
  
  
<%@ page contentType="text/html;charset=UTF-8" language="java" isELIgnored="false" %>  
<html>  
<head>  
    <title>Title</title>  
</head>  
<body>  
你是非常棒的，啦啦啦啦啦啦<br/>  
${uname}  
<img src="${pageContext.request.contextPath}/img/psb.jpg"/>  
</body>  
</html>  
</pre><br>  
<?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: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-3.0.xsd http://www.springframework.org/schema/context  
 http://www.springframework.org/schema/context/spring-context-3.0.xsd"> <bean class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping"> <property name="urlMap"> <map> <entry key="hello.do"> <value>SecondController</value> </entry> </map> </property>  
 </bean> <!--注册Hanlder 处理器--> <bean id="SecondController" class="cn.happy.controller.SecondController"> <property name="supportedMethods"> <set> <value>POST</value> <value>GET</value> </set> </property> </bean> <!--视图解析器--> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">  
 <property name="prefix" value="/WEB-INF/"></property> <property name="suffix" value=".jsp"></property> </bean></beans><p></p>  
<pre></pre>  
<br>  
<p></p>  
<p><br>  
</p>  
<br>  
<br>  
     
</pre></pre>