Spring MVC（入门）
pom.xml 文件
<?xml version="1.0" encoding="UTF-8"?> <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.zbj01</groupId> <artifactId>spring01</artifactId> <version>1.0</version> <packaging>war</packaging> <name>spring01</name> <!--依赖--> <dependencies> <!--Spring MVC--> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>5.1.1.RELEASE</version> </dependency> <!--单元测试--> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.12</version> <scope>test</scope> </dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.2</version>
<scope>provided</scope>
</dependency>
<!--servlet-->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>4.0.1</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>2.2</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp.jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
</dependencies>
<build>
<finalName>${project.artifactId}</finalName>
<testSourceDirectory>src/test/java</testSourceDirectory>
<sourceDirectory>src/main/java</sourceDirectory>
<!-- 处理无法加载资源配置文件-->
<resources>
<resource>
<directory>src/main/java</directory>
<includes>
<include>**/*.xml</include>
<include>**/*.properties</include>
</includes>
</resource>
<resource>
<directory>src/main/resources</directory>
<includes>
<include>**/*.xml</include>
<include>**/*.properties</include>
</includes>
</resource>
</resources>
<!--配置jetty servlet服务器-->
<plugins>
<!--配置maven编译插件-->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.0</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
<encoding>UTF-8</encoding>
</configuration>
</plugin>
<plugin>
<groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-maven-plugin</artifactId>
<version>9.4.12.v20180830</version>
<configuration>
<stopKey>exit</stopKey>
<stopPort>8989</stopPort>
<scanIntervalSeconds>10</scanIntervalSeconds>
<reload>manual</reload>
<webAppConfig>
<contextPath></contextPath>
</webAppConfig>
<httpConnector>
<port>80</port>
</httpConnector>
</configuration>
<executions>
<execution>
<id>jetty-run</id>
<phase>test</phase>
<goals>
<goal>run</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
web.xml 文件
<?xml version="1.0" encoding="UTF-8"?> <web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd" version="4.0"> <display-name>spring01</display-name> <!--配置springmvc servlet--> <servlet> <servlet-name>smvc</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <!--如下配置，指定修改springmvc文件的名称和位置，classpath* resources 目录--> <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>smvc</servlet-name> <url-pattern>*.do</url-pattern> <url-pattern>*.action</url-pattern> </servlet-mapping> <welcome-file-list> <welcome-file>index.html</welcome-file> <welcome-file>index.jsp</welcome-file> </welcome-file-list> </web-app>
建立resources目录/ springmvc.xml 文件
<?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"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
<!-- 配置handerAdapter 适配器 -->
<bean class="org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter"/>
<!-- 处理映射器 根据bean name 名称进行查找 -->
<bean class="org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping"/>
<!-- 配置视图渲染器 -->
<bean id="jspViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/>
<!-- 将视图名 渲染后视图的前缀 -->
<property name="prefix" value="/WEB-INF/template/"/>
<!-- 渲染后视图的后缀 -->
<property name="suffix" value=".jsp"/>
</bean>
<bean class="com.zbj.controller.UserController" name="/user.action"></bean>
<!-- 引入其它配置文件 -->
<import resource="user.xml"/>
</beans>
编写控制器类
package com.zbj.controller;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.Controller;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class UserController implements Controller {
@Override
public ModelAndView handleRequest(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) throws Exception {
ModelAndView mv = new ModelAndView("user");// 项目根目录下 /WEB-INF/user.jsp
mv.addObject("name","张三丰");
mv.addObject("addr",new String[]{"郑州","北京","天津"});
// mv.setViewName("WEB-INF/show"); //找/WEB-INF/show.jsp 渲染 /WEB-INF/show.jsp
return mv;
}
}
建立template目录/user.jsp
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
</head>
<body>
<h3>${name}</h3>
<c:forEach items="${addr}" var="addr">
<p>${addr}</p>
</c:forEach>
</body>
</html>
启动服务器访问 localhost/user.action
