smalllove 2019-11-12
控制器:
package cn.mepu.controller;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
/**
* @User 艾康
* @create 2019-11-12 10:24
* 控制器
*/
@Controller
public class HelloController {
//url请求时执行该方法 method:请求方式 params该配置表示必须传入username参数 headers请求头必须包含的请求头
@RequestMapping(path = "/hello",method = {RequestMethod.GET},params = {"username"},headers = {})
public String sayHello(){
System.out.println("入门案例");
return "success";
}
}index:
<%--
Created by IntelliJ IDEA.
User: Administrator
Date: 2019/11/12
Time: 9:43
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>入门案例</title>
</head>
<body>
<h3>入门案例</h3>
<a href="hello">入门案例</a>
</body>
</html>成功页面:
<%--
Created by IntelliJ IDEA.
User: Administrator
Date: 2019/11/12
Time: 9:44
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>入门成功</title>
</head>
<body>
<h3>入门成功</h3>
</body>
</html>web.xml配置:
<!DOCTYPE web-app PUBLIC
"-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/dtd/web-app_2_3.dtd" >
<web-app>
<display-name>Archetype Created Web Application</display-name>
<!-- 配置前端访问控制器-->
<servlet>
<servlet-name>dispatcherServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<!-- 配置读取配置文件-->
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:springMVC.xml</param-value>
</init-param>
<!-- 配置启动时加载对象-->
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dispatcherServlet</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>springMVC的配置:
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:context="http://www.springframework.org/schema/context"
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
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">
<!--配置spring启动时扫描的包-->
<context:component-scan base-package="cn.mepu"></context:component-scan>
<!--配置试图解析器-->
<bean id="internalResourceViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<!-- 跳转文件路径-->
<property name="prefix" value="\WEB-INF\pages\"></property>
<!-- 跳转文件后缀-->
<property name="suffix" value=".jsp"></property>
</bean>
<!--开启注解-->
<mvc:annotation-driven></mvc:annotation-driven>
</beans>