springMVC-HelloWorld

浏览数：23 / 时间：2015年06月08日

目录结构：

技术分享

web.xml

<pre name="code" class="html"><span style="font-size:18px;"><?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>springmvn_1</display-name>
	<servlet>
		<servlet-name>springDispatcherServlet</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>
		<load-on-startup>1</load-on-startup> -->
	</servlet>
	
	<servlet-mapping>
		<servlet-name>springDispatcherServlet</servlet-name>
		<url-pattern>/</url-pattern>
	</servlet-mapping>
</web-app></span>

配置 DispatcherServlet ：DispatcherServlet 默认加载 /WEB- INF/<servletName-servlet>.xml 的 Spring 配置文件, 启动 WEB 层的 Spring 容器。可以通过 contextConfigLocation 初始化参数自定义配置文件的位置和名称

index.jsp

<span style="font-size:14px;"><%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
	<a href="helloword">Hello World</a>
</body>
</html></span>

springDispatcherServlet-servlet.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:context="http://www.springframework.org/schema/context"
	xmlns:mvc="http://www.springframework.org/schema/mvc"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
		http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">
	<!-- 配置自动扫描包 -->
	<context:component-scan base-package="com.zju.springmvc.helloworld">
	</context:component-scan>
	<!-- 配置视图解析器：将视图逻辑名（即函数的返回值）解析为 /WEB-INF/views/<返回值的值>.jsp-->
	<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<property name="prefix" value="/WEB-INF/views/"></property>
		<property name="suffix" value=".jsp"></property>
	</bean>

</beans>

HelloWorld.java

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

@Controller
public class HelloWorld {
	//此处是响应index.jsp中超链接<a href="helloword">的请求
	@RequestMapping("/helloword")
	public String hello(){
		System.out.println("Hello World");
		return "success";
		//根据springmvc的配置文件，success返回值实际的物理视图“WEB-INF/views/success.jsp”
	}
}

index.jsp

<span style="font-size:18px;"><%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
	<a href="helloword">Hello World</a>
</body>
</html></span>

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springMVC-HelloWorld