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Spring MVC 之 Hello World

2024-08-29 09:40:17   221人阅读

1.新建一个动态web项目
2.web.xml编写
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/javaee"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
id="WebApp_ID" version="3.0">
<display-name>springMVC</display-name>
 
<!-- 配置DispatchcerServlet -->
<servlet>
<servlet-name>springDispatcherServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<!--
配置Spring mvc下的配置文件的位置和名称
也可以使用：默认的配置 路径为 WEB-INF/<servlet-name>-service.xml
-->
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:springmvc.xml</param-value>
</init-param>
<!-- 加载时被创建 -->
<load-on-startup>1</load-on-startup>
</servlet>
 
<servlet-mapping>
<servlet-name>springDispatcherServlet</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
 
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>
 
3.springmvc.xml编写
<?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:mvc="http://www.springframework.org/schema/mvc"
xmlns:context="http://www.springframework.org/schema/context"
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">
 
<!-- 配置自动扫描包 @Controller @RequestMapping -->
<context:component-scan base-package="com.sguigu.springmvc.handlers" />
 
<!-- 配置视图解析器 -->
<bean
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="viewClass" value="http://www.mamicode.com/org.springframework.web.servlet.view.JstlView" />
<property name="prefix" value="http://www.mamicode.com/WEB-INF/jsp/" />
<property name="suffix" value="http://www.mamicode.com/.jsp" />
</bean>
</beans>
 
4.controller编写
package com.sguigu.springmvc.handlers;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
 
@Controller
public class HelloWorld {
 
/**
* @description hello world
* @return String 返回类型
* @author hxt
*/
@RequestMapping("/helloworld")
public String hello(){
System.out.println("-----success---------");
return "helloworld";
}
}
 
 

Spring MVC 之 Hello World


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