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传统方式创建springmvc

作者:互联网

传统方式的控制器需要实现controller接口

控制器

点击查看代码
package com.bjsxt.web.controller;

public class DemoController implements Controller {
    @Override
    public ModelAndView handleRequest(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) throws Exception {
        ModelAndView modelAndView = new ModelAndView();
        modelAndView.setViewName("/index.jsp");
        modelAndView.addObject("msg","Hello SpringMVC");
        return modelAndView;
    }
}

springmvc.xml中通过bean标签绑定url对应的控制器controller

点击查看代码
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">

    <!--配置Controller-->
    <bean id="/demo" class="com.bjsxt.web.controller.DemoController"/>
</beans>

web.xml配置

点击查看代码
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
         version="4.0">
        <!--配置SpringMVC的前端控制器-->
    <servlet>
        <servlet-name>springmvc</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <!--如果未指定springMVC配置文件的路径以及名称,那么前端控制器默认
        会去WEB/INF目录中查找一个名称为'springmvc'-servlet.xml-->
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:springmvc.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
<!--    拦截的什么那些url-->
    <servlet-mapping>
        <servlet-name>springmvc</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>
</web-app>

标签:xml,web,springmvc,创建,controller,modelAndView,ModelAndView,传统
来源: https://www.cnblogs.com/LgbBk/p/15777640.html