文件结构
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/javaeehttp://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
version="4.0">
<servlet>
<servlet-name>innotation</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:application.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>innotation</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>
application.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:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="
http://www.springframework.org/schema/beanshttp://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/jeehttp://www.springframework.org/schema/jee/spring-jee.xsd
">
<bean class="innotation.urlinnotation"></bean> <!--如果使用注解方式，则不需要使用name（不用为其配置url）-->
</beans>
urlinnotation控制器
package innotation;
import com.sun.deploy.net.HttpResponse;
import org.springframework.http.HttpRequest;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
@Controller
public class urlinnotation {
@RequestMapping("/hello")
public ModelAndView handleRequest(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) throws Exception {
ModelAndView mvc=new ModelAndView();
mvc.addObject("msg","今天下大雨");
mvc.setViewName("/innotion.jsp");
return mvc;
}
@RequestMapping("/innotation")
public ModelAndView weather(HttpSession session){
ModelAndView mvc=new ModelAndView();
System.out.println(session);
mvc.addObject("msg","今天下大雨"+session);
mvc.setViewName("/innotion.jsp");
return mvc;
}
@RequestMapping("/innotation2")
public ModelAndView weather1(String name){
ModelAndView mvc=new ModelAndView();
System.out.println(name);
mvc.addObject("msg","今天下大雨"+name);
mvc.setViewName("/innotion.jsp");
return mvc;
}
@RequestMapping("/innotation4")
//ModelAndView和HttpServletRequest和HttpServletResponse必须得要有其中的一个，否则不能运行
public void weather2(HttpServletRequest req,HttpServletResponse resp)throws Exception{
System.out.println(1125464);
}
}
innotion.jsp
<%--
Created by IntelliJ IDEA.
User: Lenovo
Date: 2018/11/15
Time: 18:02
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
${msg}
</head>
<body>
</body>
</html>