step1.在開發環境新建一個Web工程,引入jar包,點擊圖片附件可查看所需的jar包,這裡給出Maven的引入代碼,在pom.xml文件中加入:
<!-- Spring MVC --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>3.2.5.RELEASE</version> </dependency> <!-- JSP --> <dependency> <groupId>javax.servlet.jsp.jstl</groupId> <artifactId>jstl-api</artifactId> <version>1.2</version> </dependency>
step2.編輯web.xml
<!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SpringMVC前端Servlet控制器DispatcherServlet --> <servlet> <servlet-name>dispatcherServlet</servlet-name> <servlet-class> org.springframework.web.servlet.DispatcherServlet </servlet-class> <!-- 配置初始的DispatcherServlet上下文配置文件加載路徑 --> <init-param> <param-name>contextConfigLocation</param-name> <param-value> classpath:conf/spring/spring-servlet.xml </param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <!-- 讓DispatcherServlet處理所有以".htm"結尾的URL --> <servlet-mapping> <servlet-name>dispatcherServlet</servlet-name> <url-pattern>*.htm</url-pattern> </servlet-mapping> <!-- 配置DispatcherServlet上下文配置文件加載路徑 --> <context-param> <param-name>contextConfigLocation</param-name> <param-value> classpath:conf/spring/spring-servlet.xml </param-value> </context-param> <!-- 配置上下文載入器 --> <listener> <listener-class> org.springframework.web.context.ContextLoaderListener </listener-class> </listener> </web-app>
step3.編輯DispatcherServlet上下文配置文件
在web.xml中,我們配置了路徑conf/spring/以及文件名spring-servlet.xml.所以在工程的src/main/resources/conf/spring路徑下(如沒有該文件可創建一個)新建xml文件,命名為spring-servlet.xml.編輯代碼如下:
<?xml version="1.0" encoding="UTF-8"?> <!-- 配置SpringMVC配置文件所需的xml文件解析模板 --> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:cxf="http://cxf.apache.org/core" xmlns:tx="http://www.springframework.org/schema/tx" 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://cxf.apache.org/core http://cxf.apache.org/schemas/core.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 http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd"> <!-- 配置控制器要掃描的包路徑 --> <context:component-scan base-package="www.asuan.com" /> <!-- 配置視圖解析器 --> <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceV iewResolver"> <property name="viewClass" value="org.springframework.web.servlet.view.JstlView" /> <!-- 解析器解析/WEB-INF/jsp/路徑下,以.jsp結尾的視圖文件 --> <property name="prefix" value="/WEB-INF/jsp/" /> <property name="suffix" value=".jsp" /> </bean> </beans>
step4.編寫controller文件和jsp文件
在第三步中,我們配置了掃描包路徑www.asuan.com,所以新建一個包,命名為www.asuan.com.controller,在包下新建文件HelloWorldController.java,代碼如下:
package www.asuan.com.controller; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; @Controller// 添加此註釋表明該類被控制器掃描 public class HelloWorldController { // URL映射路徑,用helloWorld.htm為路徑就可訪問該方法 @RequestMapping("/helloWorld") public String helloWorld() { return "helloWorld";// 控制器返回的視圖文件名 } }
在WEB-INF/jsp路徑下新建helloWorld.jsp文件,代碼如下:
<html> <body> <h2>Hello World!</h2> </body> </html>
step5.運行調試
把工程部署到tomcat,并運行。
瀏覽器訪問地址:http://localhost:8080/工程名/helloWorld.htm
如果你看到Hello World!就說明小功告成啦!