spring MVC环境搭建

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1.首先要导入以下jar包

2.在web.xml中添加一个servlet，因为spring MVC的核心就是DispatcherServlet，配置如下

<span style="white-space:pre"></span><servlet><servlet-name>dispatcherServlet</servlet-name><servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class><init-param><param-name>contextConfigLocation</param-name><param-value>classpath:springMVC-config.xml</param-value></init-param><load-on-startup>1</load-on-startup></servlet><servlet-mapping><servlet-name>dispatcherServlet</servlet-name><url-pattern>/</url-pattern></servlet-mapping>

3.在spring MVC的里面开启注解，并且扫描包，配置视图解析器

<?xml version="1.0" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans"xmlns:aaa="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:mvc="http://www.springframework.org/schema/mvc"aaa:schemaLocation="    http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.2.xsdhttp://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context-4.2.xsdhttp://www.springframework.org/schema/aophttp://www.springframework.org/schema/aop/spring-aop-4.2.xsdhttp://www.springframework.org/schema/txhttp://www.springframework.org/schema/tx/spring-tx-4.2.xsdhttp://www.springframework.org/schema/mvchttp://www.springframework.org/schema/mvc/spring-mvc-4.2.xsd"><!-- 启动mvc注解 --><mvc:annotation-driven /><!-- 扫描包 --><context:component-scan base-package="com.study.springMVC.helloworld" /><!-- 配置视图解析器 --><bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"><!-- 配置视图的前置 --><property name="prefix" value="/views/"/><!-- 配置视图的后置 --><property name="suffix" value=".jsp"/></bean></beans>

4.新建一个类，在类上面加上@Controller注解，并且方法上面加班@RequestMapping(value="请求路径")

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