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  • 概述

    一:用户请求→servlet→spring→mybatis→mysql;将servlet→springmvc

    二:核心servlet:dispatcherServlet(前端控制器)→一个servlet对象,在servlet的init()方法中创建springmvc的容器对象,作为servlet接受请求;

    三:未完成

    入门:

    <?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">
        <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.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>
    <?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
            https://www.springframework.org/schema/beans/spring-beans.xsd">
        <bean class="org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping"/>
        <bean class="org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter"/>
    
        <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
            <property name="prefix" value="WEB-INF/jsp/"/>
            <property name="suffix" value=".jsp"/>
        </bean>
    
        <bean id="/haha" class="com.nbg.controller.HelloController"/>
    </beans>
    public class HelloController implements Controller {
        public ModelAndView handleRequest(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) throws Exception {
            ModelAndView mv = new ModelAndView();
            mv.addObject("msg", "hello springmvc");
            mv.setViewName("hello");
            return mv;
        }
    }
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  • 原文地址:https://www.cnblogs.com/NBG-SDL/p/14150838.html
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