一、创建一个SpringMVC(非注解)

SpringMVC原理图

一、创建SpringMVC项目



二、配置web.xml 文件

<?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">
    <!--配置前端控制器开始  -->
    <servlet>
        <servlet-name>springmvc</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <!--  加载springMVC.xml-->
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:springmvc-servlet.xml</param-value>
        </init-param>

        <!-- 启动加载 -->
        <load-on-startup>1</load-on-startup>
    </servlet>

    <servlet-mapping>
        <servlet-name>springmvc</servlet-name>
        <!--访问以。action结尾的文件  -->
        <url-pattern>/</url-pattern>
    </servlet-mapping>
</web-app>

三、创建springmvc.xml


1.springmvc.xml

<?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">

      <bean class="org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping"></bean>
      <bean class="org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter"></bean>

      <!--配置视图解析器-->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/jsp/"></property>
        <property name="suffix" value=".jsp"></property>
    </bean>

    <bean id="/hello" class="com.kuang.controller.HelloController"></bean>
</beans>

2.Controller

package com.kuang.controller;

import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.Controller;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class HelloController implements Controller {
   

    public ModelAndView handleRequest(HttpServletRequest arg0, HttpServletResponse arg1) throws Exception {
   
        // TODO Auto-generated method stub


        //封装页面的地址以及传的页面数据
        ModelAndView modelAndView =new ModelAndView();
        modelAndView.addObject("msg","HelloSpringMVC");  //封装数据

        modelAndView.setViewName("hello");  //拿到数据以后跳转的路径 会进行拼接/WEB-INF/jsp/hello.jsp
        return modelAndView;
    }
}



<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
${
   msg}
</body>
</html>

3.tomcat

四、运行结果


注意：如果项目未找到

二、SpringMVC-注解

1.web.xml

<?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">
    <!--配置前端核心控制器开始  -->
    <servlet>
        <servlet-name>springmvc</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <!--  绑定springMVC.xml-->
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:springmvc-servlet.xml</param-value>
        </init-param>

        <!-- 启动级别1 -->
        <load-on-startup>1</load-on-startup>
    </servlet>
    <!--
     /:匹配所有的请求，不包括jsp页面
     /*：匹配所有的请求，包括jsp页面 --> <servlet-mapping> <servlet-name>springmvc</servlet-name> <!--访问以。action结尾的文件 --> <url-pattern>/</url-pattern> </servlet-mapping> </web-app>

2.springmvc-servlet.xml

<?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:context="http://www.springframework.org/schema/context"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       xsi:schemaLocation="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
      http://www.springframework.org/schema/mvc
      http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd">

    <!-- controller扫描 -->
    <context:component-scan base-package="com.kuang.controller" />

   <!--让springmvc不处理静态资源-->
    <mvc:default-servlet-handler/>

    <mvc:annotation-driven/>

    <!--配置视图解析器-->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <!--前缀-->
        <property name="prefix" value="/WEB-INF/jsp/"></property>
        <!--后缀-->
        <property name="suffix" value=".jsp"></property>
    </bean>
</beans>

3.controller

package com.kuang.controller;


import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;

@Controller
public class helloController {
   
    @RequestMapping("/hello")
    public  String hello(Model model){
   
        //封装数据
        model.addAttribute("msg","HelloSpring");
        return "hello";
    }
}

好了，今天的分享就到这里了