实现步骤
在Eclipse中新建项目Web项目TestSpring。 引入Spring和Spring MVC相关Jar包。在WebRoot的WEB-INF文件下新建spring-servlet.xml:
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework/schema/beans"
xmlns:xsi="http://www.w3/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework/schema/mvc"
xmlns:context="http://www.springframework/schema/context"
xsi:schemaLocation="
http://www.springframework/schema/mvc http://www.springframework/schema/mvc/spring-mvc-3.0.xsd
http://www.springframework/schema/beans http://www.springframework/schema/beans/spring-beans-3.0.xsd
http://www.springframework/schema/context http://www.springframework/schema/context/spring-context-3.0.xsd">
<!-- 基于注解 -->
<context:component-scan base-package="spring"></context:component-scan>
<mvc:annotation-driven />
<bean
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/jsp/" />
<property name="suffix" value=".jsp" />
<property name="viewClass"
value="org.springframework.web.servlet.view.JstlView" />
</bean>
<!-- 基于控制器 -->
<!-- <bean
class="org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping" />
<bean
class="org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter" />
<bean
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/jsp/" />
<property name="suffix" value=".jsp" />
<property name="viewClass"
value="org.springframework.web.servlet.view.JstlView" />
</bean>
<bean name="/hello" class="spring.HelloWorldController" /> -->
</beans>
在WebRoot的WEB-INF文件下配置web.xml:
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3/2001/XMLSchema-instance"
xmlns="http://java.sun/xml/ns/javaee"
xsi:schemaLocation="http://java.sun/xml/ns/javaee http://java.sun/xml/ns/javaee/web-app_3_0.xsd"
id="WebApp_ID" version="3.0">
<display-name>TestSpring</display-name>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<filter>
<filter-name>CharacterEncodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>utf-8</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>CharacterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>
<servlet>
<servlet-name>dispatch</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/spring-servlet.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dispatch</servlet-name>
<url-pattern>/</url-pattern> <!-- 不带尾椎 -->
<!-- <url-pattern>*.do</url-pattern> --> <!-- 带尾椎 -->
</servlet-mapping>
</web-app>
新建Spring包,并新建类HomeController,用于做控制器(注解使用重点):
package spring;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.ModelAndView;
@Controller
public class HomeController {
//@RequestMapping 中请求Action为"home",支持方法有post,get, (required = false)参数非必要
@RequestMapping(value = "home", method = { RequestMethod.POST,
RequestMethod.GET })
public String responsePage(@RequestParam(required = false) String page) {
return page;
}
//支持HTTP协议所有方法,@ResoinseBody = 响应此“方法”返回值为页面内容。参数键为"para",默认para默认值为"this is body"
@ResponseBody
@RequestMapping(value = "getshow")
public String responseBody(@RequestParam(value = "para", defaultValue = "this is body", required = false) String content) {
return content;
}
//显示El表达式,响应body.jsp视图
@RequestMapping(value = "getel")
public ModelAndView responseEL(){
ModelAndView mv = new ModelAndView();
mv.addObject("message", "你们好!我是通过EL表达式出来的内容");
mv.setViewName("body");
return mv;
}
}
在WEB-INF下新建文件夹jsp,在jsp文件夹下添加home.jsp,和body.jsp:
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
hello ,this is a spring mvc annotation demo!
</body>
</html>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
this is body page;
<p>${message}</p>
</body>
</html>
最后,运行服务器,在地址栏输入地址: http://localhost:8080/TestSpring/home
http://localhost:8080/TestSpring/getshow?para=my%20is%20Jaiky
http://localhost:8080/TestSpring/getel
效果图:
获取源代码:Java SpringMVC 注解学习 源代码说明:由于本人使用MyEclipse在源代码中导入了Hibernate Jar包,使用时如遇报错请自行删除不需要的配置,或另行导入到新项目。
声明
欢迎转载,但请保留文章原始出处
作者:Jaiky_杰哥
出处:http://blog.csdn/jaikydota163/article/details/51480421
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