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  • 00_简单入门案例

    【工程截图】

    【所需jar包】

    【web.xml配置】

    <?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" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
    
      <servlet>
        <servlet-name>action</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
          <param-name>contextConfigLocation</param-name>
          <param-value>classpath:springmvc-servlet.xml</param-value>
        </init-param>
      </servlet>
      <servlet-mapping>
        <servlet-name>action</servlet-name>
        <url-pattern>*.action</url-pattern>
      </servlet-mapping>
      <welcome-file-list>
        <welcome-file>index.jsp</welcome-file>
      </welcome-file-list>
    </web-app>

    【springmvc-servlet.xml配置】

    <?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:mvc="http://www.springframework.org/schema/mvc"
        xmlns:context="http://www.springframework.org/schema/context"
        xsi:schemaLocation="http://www.springframework.org/schema/mvc
                            http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd
                            http://www.springframework.org/schema/beans
                            http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
                            http://www.springframework.org/schema/context
                              http://www.springframework.org/schema/context/spring-context-3.2.xsd">
            
        <!-- 注解开发方式 -->
        <mvc:annotation-driven />
        
        <!-- 包自动扫描 -->
        <context:component-scan base-package="cn.Higgin.controller" />
        
        
        <!-- 配置jsp视图解析器  内部资源视图解析器   前缀+逻辑名+后缀-->
        <bean id="internalResourceViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
            <property name="prefix" value="/WEB-INF/pages/"/>
            <property name="suffix" value=".jsp"/>
        </bean>
        
    </beans>

    【myController.java】

    package cn.Higgin.controller;
    
    import javax.servlet.http.HttpServletRequest;
    
    import org.springframework.stereotype.Controller;
    import org.springframework.web.bind.annotation.RequestMapping;
    
    @Controller
    public class MyController {
    
        @RequestMapping("/goHome")       //
        public String goHome(HttpServletRequest request){
            System.out.println("33333333333333333333333333");
            System.out.println(request.getRequestURI());
            return "index";       //返回逻辑名
        }
        
        @RequestMapping("/backHome")       //
        public String backHome(HttpServletRequest request){
            System.out.println("66666666666666666666666");
            System.out.println(request.getRequestURI());
            return "index";       //返回逻辑名
        }
    }

    【pages/index.jsp】(提示界面)

    <body>
        This is my SpringMVC page. <br>
    </body>

    【输出结果:输入   http://localhost:8080/SpringMVC_HiggiinCui/goHome.action】

    控制台输出:

    33333333333333333333333333
    /SpringMVC_HiggiinCui/goHome.action

    【输出结果:输入 http://localhost:8080/SpringMVC_HiggiinCui/backHome.action 】

    控制台输出:

    66666666666666666666666
    /SpringMVC_HiggiinCui/backHome.action

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  • 原文地址:https://www.cnblogs.com/HigginCui/p/5678623.html
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