Maven搭建SpringMVC+Mybatis项目详解
前言 最近比较闲，复习搭建一下项目，这次主要使用Spring+SpringMVC+Mybatis。项目持久层使用Mybatis3，控制层使用SpringMVC4.1，使用Spring4.1管理控制器，数据库连接池使用druid数据源，该项数据库暂使用MySQL。（如果是oracle需修改pom.xml） <!-- oracle连接 --> <dependency> <groupId>com.hynnet</groupId> <artifactId>oracle-driver-ojdbc6</artifactId> <version>12.1.0.1</version> </dependency> 1、 数据库表结构以及maven项目结构 数据表非常的简单（不是重点），如下： 创建maven项目，详细见上一篇maven创建（http://blog.csdn.net/fengshizty/article/details/43019561），创建Maven Project时，将Filter选择为org.apache.maven.archetypes。填写完相关项目坐标信息后项目结构如下： 注：若无src/main/java，src/test/java，src/test/resources时，创建这个几个Source Folder。 2、修改pom.xml添加对应的包依赖 这儿将全部使用的Maven依赖贴出了，对应什么作用上面都有解释，如下： pom.xml [html] view plain copy 在CODE上查看代码片派生到我的代码片 <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/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>org.andy.sm</groupId> <artifactId>springmvc_mybatis_demo</artifactId> <packaging>war</packaging> <version>0.0.1-SNAPSHOT</version> <name>springmvc_mybatis_demo Maven Webapp</name> <url>http://maven.apache.org</url> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <spring.version>4.1.4.RELEASE</spring.version> <jackson.version>2.5.0</jackson.version> </properties> <dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.12</version> <scope>test</scope> </dependency> <!-- spring --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-beans</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-tx</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-test</artifactId> <version>${spring.version}</version> <scope>test</scope> </dependency> <!-- mybatis 包 --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>3.2.8</version> </dependency> <!--mybatis spring 插件 --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>1.2.2</version> </dependency> <!-- mysql连接 --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.34</version> </dependency> <!-- 数据源 --> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>1.0.12</version> </dependency> <dependency> <groupId>org.aspectj</groupId> <artifactId>aspectjweaver</artifactId> <version>1.8.4</version> </dependency> <!-- log4j --> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.17</version> </dependency> <!-- servlet --> <dependency> <groupId>javax.servlet</groupId> <artifactId>servlet-api</artifactId> <version>3.0-alpha-1</version> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency> <!-- json --> <dependency> <groupId>org.codehaus.jackson</groupId> <artifactId>jackson-mapper-asl</artifactId> <version>1.9.13</version> </dependency> <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId> <version>1.2.3</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-annotations</artifactId> <version>${jackson.version}</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-core</artifactId> <version>${jackson.version}</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>${jackson.version}</version> </dependency> <!-- 文件上传 --> <dependency> <groupId>commons-io</groupId> <artifactId>commons-io</artifactId> <version>2.4</version> </dependency> <dependency> <groupId>commons-fileupload</groupId> <artifactId>commons-fileupload</artifactId> <version>1.2.2</version> </dependency> </dependencies> <build> <finalName>springmvc_mybatis_demo</finalName> <plugins> <!-- Run the JUnit unit tests in an isolated classloader --> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-surefire-plugin</artifactId> <version>2.4.2</version> <configuration> <skipTests>true</skipTests> </configuration> </plugin> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-war-plugin</artifactId> <version>2.3</version> <configuration> <webXml>src/main/webapp/WEB-INF/web.xml</webXml> </configuration> </plugin> <!-- generate java doc --> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-javadoc-plugin</artifactId> <version>2.9.1</version> <configuration> <javadocDirectory>target/javadoc</javadocDirectory> <reportOutputDirectory>target/javadoc</reportOutputDirectory> <charset>UTF-8</charset> <encoding>UTF-8</encoding> <docencoding>UTF-8</docencoding> <show>private</show> </configuration> </plugin> <!-- 部署至本机 --> <plugin> <groupId>org.codehaus.cargo</groupId> <artifactId>cargo-maven2-plugin</artifactId> <version>1.0</version> <configuration> <container> <containerId>tomcat6x</containerId> <home>D:\WebServer\apache-tomcat-6.0.39</home> </container> <configuration> <type>existing</type> <home>D:\WebServer\apache-tomcat-6.0.39</home> </configuration> </configuration> </plugin> </plugins> </build> </project> 3、使用Generator自动生成Mybatis相关表信息 自动生成表的Model，Mapping，Dao文件，先关使用见文章 http://blog.csdn.net/fengshizty/article/details/43086833 并将其导入到项目的src/main/java包中。 其中生成的Model中UserInfo如下： UserInfo.java（其中List<CourseInfo> courseInfos手动添加的） [java] view plain copy 在CODE上查看代码片派生到我的代码片 package org.andy.shop.model; import java.util.List; public class UserInfo { private Integer id; private String uname; private Integer unumber; private List<CourseInfo> courseInfos; public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } public String getUname() { return uname; } public void setUname(String uname) { this.uname = uname == null ? null : uname.trim(); } public Integer getUnumber() { return unumber; } public void setUnumber(Integer unumber) { this.unumber = unumber; } public List<CourseInfo> getCourseInfos() { return courseInfos; } } Dao包中的UserInfoMapper.java [java] view plain copy 在CODE上查看代码片派生到我的代码片 package org.andy.shop.dao; import java.util.List; import org.andy.shop.model.UserInfo; public interface UserInfoMapper { int deleteByPrimaryKey(Integer id); int insert(UserInfo record); int insertSelective(UserInfo record); UserInfo selectByPrimaryKey(Integer id); int updateByPrimaryKeySelective(UserInfo record); int updateByPrimaryKey(UserInfo record); List<UserInfo> selectAll(); } mapping 中的配置文件UserInfoMapper.xml [html] view plain copy 在CODE上查看代码片派生到我的代码片 <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" > <mapper namespace="org.andy.shop.dao.UserInfoMapper"> <resultMap id="BaseResultMap" type="org.andy.shop.model.UserInfo"> <id column="id" property="id" jdbcType="INTEGER" /> <result column="uname" property="uname" jdbcType="VARCHAR" /> <result column="unumber" property="unumber" jdbcType="INTEGER" /> </resultMap> <sql id="Base_Column_List"> id, uname, unumber </sql> <select id="selectByPrimaryKey" resultMap="BaseResultMap" parameterType="java.lang.Integer"> select <include refid="Base_Column_List" /> from user_info where id = #{id,jdbcType=INTEGER} </select> <delete id="deleteByPrimaryKey" parameterType="java.lang.Integer"> delete from user_info where id = #{id,jdbcType=INTEGER} </delete> <insert id="insert" parameterType="org.andy.shop.model.UserInfo"> insert into user_info (id, uname, unumber ) values (#{id,jdbcType=INTEGER}, #{uname,jdbcType=VARCHAR}, #{unumber,jdbcType=INTEGER} ) </insert> <insert id="insertSelective" parameterType="org.andy.shop.model.UserInfo"> insert into user_info <trim prefix="(" suffix=")" suffixOverrides=","> <if test="id != null"> id, </if> <if test="uname != null"> uname, </if> <if test="unumber != null"> unumber, </if> </trim> <trim prefix="values (" suffix=")" suffixOverrides=","> <if test="id != null"> #{id,jdbcType=INTEGER}, </if> <if test="uname != null"> #{uname,jdbcType=VARCHAR}, </if> <if test="unumber != null"> #{unumber,jdbcType=INTEGER}, </if> </trim> </insert> <update id="updateByPrimaryKeySelective" parameterType="org.andy.shop.model.UserInfo"> update user_info <set> <if test="uname != null"> uname = #{uname,jdbcType=VARCHAR}, </if> <if test="unumber != null"> unumber = #{unumber,jdbcType=INTEGER}, </if> </set> where id = #{id,jdbcType=INTEGER} </update> <update id="updateByPrimaryKey" parameterType="org.andy.shop.model.UserInfo"> update user_info set uname = #{uname,jdbcType=VARCHAR}, unumber = #{unumber,jdbcType=INTEGER} where id = #{id,jdbcType=INTEGER} </update> <resultMap type="org.andy.shop.model.UserInfo" id="UserCourseMap" extends="BaseResultMap"> <collection property="courseInfos" javaType="list" ofType="org.andy.shop.model.CourseInfo"> <id property="id" column="course_id" jdbcType="INTEGER" /> <result property="cname" column="cname" jdbcType="VARCHAR" /> <result property="caddress" column="caddress" jdbcType="VARCHAR" /> </collection> </resultMap> <select id="selectAll" resultMap="UserCourseMap"> select u.id, u.uname, u.unumber, c.id course_id, c.cname, c.caddress from user_info u left join course_user_info cu on u.id = cu.uid left join course_info c on cu.cid = c.id </select> </mapper> 4、引入Spring并配置相关属性 在src/main/resources创建spring的配置文件，这里创建了spring.xml，信息如下： [html] view plain copy 在CODE上查看代码片派生到我的代码片 <?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-4.1.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.1.xsd"> <!--引入配置属性文件 --> <context:property-placeholder location="classpath:config.properties" /> <!--自动扫描含有@Service将其注入为bean --> <context:component-scan base-package="org.andy.shop.service" /> </beans> 5、引入Mybatis并配置数据连接池等信息 5.1、数据连接池druid配置信息 配置连接池配置信息在config.properties中，如下： [plain] view plain copy 在CODE上查看代码片派生到我的代码片 #mysql version database druid setting validationQuery=SELECT 1 jdbc.url=jdbc:mysql://localhost:3306/shop?useUnicode=true&characterEncoding=utf-8 jdbc.username=root jdbc.password=12345 5.2、配置Mybatis相关信息 以下是mybatis的配置信息：spring-mybatis.xml（ps：名字可随便起） [html] view plain copy 在CODE上查看代码片派生到我的代码片 <?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:aop="http://www.springframework.org/schema/aop" xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.1.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.1.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.1.xsd "> <!-- 配置数据源 使用的是Druid数据源 --> <bean name="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close"> <property name="url" value="${jdbc.url}" /> <property name="username" value="${jdbc.username}" /> <property name="password" value="${jdbc.password}" /> <!-- 初始化连接大小 --> <property name="initialSize" value="0" /> <!-- 连接池最大使用连接数量 --> <property name="maxActive" value="20" /> <!-- 连接池最小空闲 --> <property name="minIdle" value="0" /> <!-- 获取连接最大等待时间 --> <property name="maxWait" value="60000" /> <property name="poolPreparedStatements" value="true" /> <property name="maxPoolPreparedStatementPerConnectionSize" value="33" /> <!-- 用来检测有效sql --> <property name="validationQuery" value="${validationQuery}" /> <property name="testOnBorrow" value="false" /> <property name="testOnReturn" value="false" /> <property name="testWhileIdle" value="true" /> <!-- 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒 --> <property name="timeBetweenEvictionRunsMillis" value="60000" /> <!-- 配置一个连接在池中最小生存的时间，单位是毫秒 --> <property name="minEvictableIdleTimeMillis" value="25200000" /> <!-- 打开removeAbandoned功能 --> <property name="removeAbandoned" value="true" /> <!-- 1800秒，也就是30分钟 --> <property name="removeAbandonedTimeout" value="1800" /> <!-- 关闭abanded连接时输出错误日志 --> <property name="logAbandoned" value="true" /> <!-- 监控数据库 --> <property name="filters" value="mergeStat" /> </bean> <!-- myBatis文件 --> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <property name="dataSource" ref="dataSource" /> <!-- 自动扫描entity目录, 省掉Configuration.xml里的手工配置 --> <property name="mapperLocations" value="classpath:org/andy/shop/mapping/*.xml" /> </bean> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <property name="basePackage" value="org.andy.shop.dao" /> <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory" /> </bean> <!-- 配置事务管理器 --> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource" /> </bean> <!-- 注解方式配置事物 --> <!-- <tx:annotation-driven transaction-manager="transactionManager" /> --> <!-- 拦截器方式配置事物 --> <tx:advice id="transactionAdvice" transaction-manager="transactionManager"> <tx:attributes> <tx:method name="insert*" propagation="REQUIRED" /> <tx:method name="update*" propagation="REQUIRED" /> <tx:method name="delete*" propagation="REQUIRED" /> <tx:method name="get*" propagation="SUPPORTS" read-only="true" /> <tx:method name="find*" propagation="SUPPORTS" read-only="true" /> <tx:method name="select*" propagation="SUPPORTS" read-only="true" /> </tx:attributes> </tx:advice> <!-- Spring aop事务管理 --> <aop:config> <aop:pointcut id="transactionPointcut" expression="execution(* org.andy.shop.service..*Impl.*(..))" /> <aop:advisor pointcut-ref="transactionPointcut" advice-ref="transactionAdvice" /> </aop:config> </beans> 主要配置数据连接池，事务管理， mybatis关联映射等，事务采用aop的声明式事务。 6、引入日志 在src/main/resources中添加log4j日志配置信息： log4j.properties [plain] view plain copy 在CODE上查看代码片派生到我的代码片 ### set log levels ### log4j.rootLogger = INFO , C , D , E ### console ### log4j.appender.C = org.apache.log4j.ConsoleAppender log4j.appender.C.Target = System.out log4j.appender.C.layout = org.apache.log4j.PatternLayout log4j.appender.C.layout.ConversionPattern = [springmvc_mybatis_demo][%p] [%-d{yyyy-MM-dd HH:mm:ss}] %C.%M(%L) | %m%n ### log file ### log4j.appender.D = org.apache.log4j.DailyRollingFileAppender log4j.appender.D.File = ../logs/springmvc-mybatis-demo.log log4j.appender.D.Append = true log4j.appender.D.Threshold = INFO log4j.appender.D.layout = org.apache.log4j.PatternLayout log4j.appender.D.layout.ConversionPattern = [springmvc_mybatis_demo][%p] [%-d{yyyy-MM-dd HH:mm:ss}] %C.%M(%L) | %m%n ### exception ### log4j.appender.E = org.apache.log4j.DailyRollingFileAppender log4j.appender.E.File = ../logs/springmvc-mybatis-demo_error.log log4j.appender.E.Append = true log4j.appender.E.Threshold = ERROR log4j.appender.E.layout = org.apache.log4j.PatternLayout log4j.appender.E.layout.ConversionPattern = [sspringmvc_mybatis_demo][%p] [%-d{yyyy-MM-dd HH:mm:ss}] %C.%M(%L) | %m%n 7、创建Service 在src/main/java中创建相关的org.andy.shop.service包和org.andy.shop.service.Impl包。 UserService接口： [java] view plain copy 在CODE上查看代码片派生到我的代码片 package org.andy.shop.service; import java.util.List; import org.andy.shop.model.UserInfo; /** * 创建时间：2015-1-27 下午5:15:03 * @author andy * @version 2.2 */ public interface UserService { UserInfo getUserById(int id); List<UserInfo> getUsers(); int insert(UserInfo userInfo); } UserServiceImpl实现Service： [java] view plain copy 在CODE上查看代码片派生到我的代码片 package org.andy.shop.service.impl; import java.util.List; import org.andy.shop.dao.UserInfoMapper; import org.andy.shop.model.UserInfo; import org.andy.shop.service.UserService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; /** * 创建时间：2015-1-27 下午5:22:59 * * @author andy * @version 2.2 */ @Service("userService") public class UserServiceImpl implements UserService { @Autowired private UserInfoMapper userInfoMapper; @Override public UserInfo getUserById(int id) { return userInfoMapper.selectByPrimaryKey(id); } @Override public List<UserInfo> getUsers() { return userInfoMapper.selectAll(); } @Override public int insert(UserInfo userInfo) { int result = userInfoMapper.insert(userInfo); System.out.println(result); return result; } } 8、测试Spring和Mybatis配置 在src/test/java中写测试类，检测是否能够读出数据，若能读出则证明Spring+Mybatis整合成功。 TestUserService测试类： [java] view plain copy 在CODE上查看代码片派生到我的代码片 package org.andy.shop.service; import java.util.List; import org.andy.shop.model.UserInfo; import org.apache.log4j.Logger; import org.junit.Test; import org.junit.runner.RunWith; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.test.context.ContextConfiguration; import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; import com.alibaba.fastjson.JSON; /** * 创建时间：2015-1-27 下午10:45:38 * * @author andy * @version 2.2 */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(locations = { "classpath:spring.xml", "classpath:spring-mybatis.xml" }) public class TestUserService { private static final Logger LOGGER = Logger .getLogger(TestUserService.class); @Autowired private UserService userService; @Test public void testQueryById1() { UserInfo userInfo = userService.getUserById(1); LOGGER.info(JSON.toJSON(userInfo)); } @Test public void testQueryAll() { List<UserInfo> userInfos = userService.getUsers(); LOGGER.info(JSON.toJSON(userInfos)); } @Test public void testInsert() { UserInfo userInfo = new UserInfo(); userInfo.setUname("xiaoming"); userInfo.setUnumber(4); int result = userService.insert(userInfo); System.out.println(result); } } 若是测试成功，那证明已经成功了一半了。 9、引入SpringMVC 9.1 配置SpringMVC配置信息 SpringMVC的配置信息主要包括控制层Controller的bean管理，视图层和控制层配置等等，下面是spring-mvc.xml信息： [html] view plain copy 在CODE上查看代码片派生到我的代码片 <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.1.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.1.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.1.xsd"> <!-- 自动扫描controller包下的所有类，如果@Controller注入为bean --> <context:component-scan base-package="org.andy.shop.controller" /> <!-- 避免IE执行AJAX时,返回JSON出现下载文件 --> <bean id="mappingJacksonHttpMessageConverter" class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter"> <property name="supportedMediaTypes"> <list> <value>text/html;charset=UTF-8</value> </list> </property> </bean> <!-- 启动Spring MVC的注解功能，完成请求和注解POJO的映射 --> <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter"> <property name="messageConverters"> <list> <!-- json转换器 --> <ref bean="mappingJacksonHttpMessageConverter" /> </list> </property> </bean> <!-- 对模型视图名称的解析，即在模型视图名称添加前后缀 --> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="viewClass" value="org.springframework.web.servlet.view.JstlView" /> <property name="prefix" value="/WEB-INF/views" /> <property name="suffix" value=".jsp" /> </bean> <!-- 配置多文件上传 --> <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver"> <property name="defaultEncoding"> <value>UTF-8</value> </property> <property name="maxUploadSize"> <!-- 上传文件大小限制为31M，31*1024*1024 --> <value>32505856</value> </property> <property name="maxInMemorySize"> <value>4096</value> </property> </bean> </beans> 自动扫描org.andy.shop.controller报下还有@Controller的控制层，注入为bean。 9.2、Web容器web.xml配置 web容器配置启动加载的配置文件，设置SpringMVC拦截的请求（此处拦截.htmls结尾的url请求） [html] view plain copy 在CODE上查看代码片派生到我的代码片 <?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" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5"> <display-name>springmvc_mybatis_demo</display-name> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:spring.xml,classpath:spring-mybatis.xml</param-value> </context-param> <filter> <filter-name>encodingFilter</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> <init-param> <param-name>forceEncoding</param-name> <param-value>true</param-value> </init-param> </filter> <filter-mapping> <filter-name>encodingFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <!-- 防止spring内存溢出监听器 --> <listener> <listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class> </listener> <servlet> <description>spring mvc servlet</description> <servlet-name>rest</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>rest</servlet-name> <url-pattern>*.htmls</url-pattern> </servlet-mapping> <!-- 配置session超时时间，单位分钟 --> <session-config> <session-timeout>30</session-timeout> </session-config> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> </web-app> 9.3、Controller控制层 在org.andy.shop.controller创建控制层，如UserController.java [java] view plain copy 在CODE上查看代码片派生到我的代码片 package org.andy.shop.controller; import java.util.List; import org.andy.shop.model.UserInfo; import org.andy.shop.service.UserService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.ModelMap; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.ResponseBody; /** * 创建时间：2015-1-28 下午1:17:27 * @author andy * @version 2.2 */ @Controller @RequestMapping("/user") public class UserController { @Autowired private UserService userService; @RequestMapping("/showInfo/{userId}") public String showUserInfo(ModelMap modelMap, @PathVariable int userId){ UserInfo userInfo = userService.getUserById(userId); modelMap.addAttribute("userInfo", userInfo); return "/user/showInfo"; } @RequestMapping("/showInfos") public @ResponseBody Object showUserInfos(){ List<UserInfo> userInfos = userService.getUsers(); return userInfos; } } 9.4、视图层 在WEB-INF创建视图总目录views(为了安全起见一般都在WEB-INF下创建)，创建/user/showInfo.jsp视图文件。 [html] view plain copy 在CODE上查看代码片派生到我的代码片 <%@ 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.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>userInfo</title> </head> <body> 姓名： ${userInfo.uname} </body> </html> 9.5、项目总目录结构 到此为demo以及基本创建完成总目录如下： 10、项目测试 将项目编译，Maven build...输入clean compile package，部署到Tomcat服务器，启动项目。 测试1：测试第一个url， http://localhost:8080/springmvc_mybatis_demo/user/showInfo/1.htmls 测试2：测试第二个json数据返回的url， http://localhost:8080/springmvc_mybatis_demo/user/showInfos.htmls
引用原文链接：https://blog.csdn.net/u011424470/article/details/52067766 写博客是为了记住自己容易忘记的东西，另外也是对自己工作的总结，文章可以转载，无需版权。希望尽自己的努力，做到更好，大家一起努力进步！ 如果有什么问题，欢迎大家一起探讨，代码如有问题，欢迎各位大神指正！
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