基于maven,搭建一个简单的springmvc框架
一、创建项目
首先,创建一个maven项目;
next——
勾选create a simple project会自动创建src/main/java,src/test/java,src/test/resources这些maven项目中常见文件夹;
也可以不选,则需要进行archetype Selection,选择webapp或者quickStart均可,此处不详解;
next——
二、配置文件
1.在pom.xml文件中,添加相关依赖,
否则你的
文件夹下将空空如也
pom的依赖如下,视情况添加,此处多余的依赖暂时不删了,添加上也不会有影响;
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.java.zxf</groupId> <artifactId>springMvcDemo</artifactId> <version>0.0.1-SNAPSHOT</version> <packaging>war</packaging> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <spring.version>3.1.2.RELEASE</spring.version> </properties> <dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>3.8.1</version> <scope>test</scope> </dependency> <!-- spring begin --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aop</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-test</artifactId> <version>${spring.version}</version> </dependency> <!-- spring end --> <!-- web jar --> <dependency> <groupId>javax.servlet</groupId> <artifactId>javax.servlet-api</artifactId> <version>3.0.1</version> <scope>provided</scope> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>jstl</artifactId> <version>1.1.2</version> <scope>provided</scope> </dependency> <dependency> <groupId>javax.servlet.jsp</groupId> <artifactId>javax.servlet.jsp-api</artifactId> <version>2.3.1</version> <scope>provided</scope> </dependency> <!-- jackson jar --> <dependency> <groupId>org.codehaus.jackson</groupId> <artifactId>jackson-jaxrs</artifactId> <version>1.9.11</version> </dependency> <!-- commons jar --> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-lang3</artifactId> <version>3.3.2</version> </dependency> <dependency> <groupId>commons-io</groupId> <artifactId>commons-io</artifactId> <version>2.4</version> </dependency> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-collections4</artifactId> <version>4.0</version> </dependency> <dependency> <groupId>commons-logging</groupId> <artifactId>commons-logging</artifactId> <version>1.1.3</version> </dependency> <dependency> <groupId>commons-codec</groupId> <artifactId>commons-codec</artifactId> <version>1.8</version> </dependency> <dependency> <groupId>commons-beanutils</groupId> <artifactId>commons-beanutils</artifactId> <version>1.8.3</version> </dependency> <dependency> <groupId>commons-chain</groupId> <artifactId>commons-chain</artifactId> <version>1.2</version> </dependency> <dependency> <groupId>commons-fileupload</groupId> <artifactId>commons-fileupload</artifactId> <version>1.3.1</version> </dependency> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-math3</artifactId> <version>3.3</version> </dependency> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-pool2</artifactId> <version>2.2</version> </dependency> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-digester3</artifactId> <version>3.2</version> </dependency> <dependency> <groupId>commons-net</groupId> <artifactId>commons-net</artifactId> <version>3.3</version> </dependency> <dependency> <groupId>commons-dbutils</groupId> <artifactId>commons-dbutils</artifactId> <version>1.5</version> </dependency> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-email</artifactId> <version>1.3.3</version> </dependency> <dependency> <groupId>commons-dbcp</groupId> <artifactId>commons-dbcp</artifactId> <version>1.4</version> </dependency> </dependencies> </project>
2.修改web.xml
用上面的方式创建的maven项目,在src/main/webapp文件夹下是没有web.xml的,需要手动添加WEB-INF文件夹及web.xml文件;
然后修改web.xml,配置前端控制器及相关参数:
<!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> <!-- ================spring mvc================ --> <servlet> <servlet-name>springmvc</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath*:/spring_mvc.xml</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>springmvc</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping> <!-- ================================================== --> </web-app>
3.配置spring_mvc.xml
在src/mian/resources文件夹下,创建spring_mvc.xml文件;
并配置相关参数:
<?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: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-3.2.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.2.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.2.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd"> <context:component-scan base-package="controller"/> <mvc:annotation-driven/> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="prefix" value="/WEB-INF/jsp/"/> <property name="suffix" value=".jsp"/> </bean> </beans>
三、编写Controller类,添加成功页success.jsp
1.在src/mian/java下创建文件夹controller,这个文件夹是与上一步spring_mvc.xml中配置的扫描包的路径吻合的;
2.创建DemoController类;
3.具体实现
package controller; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.servlet.ModelAndView; @Controller public class DemoController { @RequestMapping("/test.do") public ModelAndView testController(){ ModelAndView mv = new ModelAndView(); mv.setViewName("success"); return mv; } }
说明:
a.因为我们在web.xml中配置了url-pattern为"/",所以@RequestMapping中的"test.do"写成任意值都可以,只要请求url中与之一致即可;
b.因为在web项目中更多返回一个视图,所以方法返回值写的ModelAndView,在此测试方法中,可以直接返回String
@RequestMapping("/test2.do") public String testController2(){ return "success"; }
c.因为我们在spring_mvc.xml中配置了视图跳转的前缀和后缀,所以此处的"success"会拼装成"/WEB-INF/jsp/success.jsp";
4.添加成功页,在WEB-INF下添加jsp文件夹,及success.jsp页面
在页面中简单写一句话以显示成功即可:
<%@ 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 SpringMvc Project Starts Successfully! </body> </html>
四、部署项目并测试
1.将项目部署到tomcat上,并启动;
2.在浏览器中输入访问url:
http://localhost:8080/springMvcDemo/test.do
3.成功页;
五、以上就是简单的springmvc项目的搭建,成功。