1.新建web应用
2.加入依赖（例如springmvc框架，servlet依赖）
3.声明springmvc核心对象DispatcherServlet
<servlet>
<servlet-name>springmvc</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
</servlet>
//匹配所有请求，/不包括.jsp，/*包括.jsp
<servlet-mapping>
<servlet-name>springmvc</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
4.创建普通类，作为处理请求的控制器
public class HelloController implements Controller{
public ModelAndView handleRequest(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) throws Exception {
String info="hello";
ModelAndView mav=new ModelAndView();
mav.addObject("info",info);
mav.setViewName("test.jsp");
return mav;
}
}
5.创建springmvc的配置文件（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">
//配置URL解析器
<bean class="org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping"></bean>
//配置控制器适配器
<bean class="org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter"></bean>
//配置自定义的控制器
//name:自定义的控制器的访问路径
//class:自定义的控制器的包名+类名
<bean name="/hello" class="controller.HelloController"></bean>
//配置视图解析器
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/"></property>
<property name="suffix" value=""></property>
</bean>
</beans>
6.加载springmvc配置文件
<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.xml</param-value>
</init-param>
</servlet>
7.创建jsp文件test.jsp
<%@page language="java" pageEncoding="UTF-8" isELIgnored="false" %>
<html>
<body>
<h2>${info}</h2>
</body>
</html>
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