Java框架搭建之Maven、Mybatis、Spring MVC整合搭建(图文)

<!-- 导入java ee jar 包 -->   <dependency>     <groupId>javax</groupId>     <artifactId>javaee-api</artifactId>     <version>7.0</version>   </dependency>

<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>com.cjt</groupId> <artifactId>MyMaven</artifactId> <packaging>war</packaging> <version>0.0.1-SNAPSHOT</version> <name>TestMaven01 Maven Webapp</name> <url>http://maven.apache.org</url> <properties>     <!-- spring版本号 -->     <spring.version>4.0.2.RELEASE</spring.version>     <!-- mybatis版本号 -->     <mybatis.version>3.2.6</mybatis.version>     <!-- log4j日志文件管理包版本 -->     <slf4j.version>1.7.7</slf4j.version>     <log4j.version>1.2.17</log4j.version>  </properties>  <dependencies>  <dependency>   <groupId>junit</groupId>   <artifactId>junit</artifactId>   <version>3.8.1</version>   <scope>test</scope>   </dependency>  <!-- 导入java ee jar 包 -->   <dependency>     <groupId>javax</groupId>     <artifactId>javaee-api</artifactId>     <version>7.0</version>   </dependency>  <!-- spring核心包 -->   <dependency>     <groupId>org.springframework</groupId>     <artifactId>spring-core</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-oxm</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-jdbc</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-aop</artifactId>     <version>${spring.version}</version>   </dependency>   <dependency>     <groupId>org.springframework</groupId>     <artifactId>spring-context-support</artifactId>     <version>${spring.version}</version>   </dependency>   <dependency>     <groupId>org.springframework</groupId>     <artifactId>spring-test</artifactId>     <version>${spring.version}</version>   </dependency>   <!-- mybatis核心包 -->   <dependency>     <groupId>org.mybatis</groupId>     <artifactId>mybatis</artifactId>     <version>${mybatis.version}</version>   </dependency>   <!-- mybatis/spring包 -->   <dependency>     <groupId>org.mybatis</groupId>     <artifactId>mybatis-spring</artifactId>     <version>1.2.2</version>   </dependency>   <!-- 导入java ee jar 包 -->   <dependency>     <groupId>javax</groupId>     <artifactId>javaee-api</artifactId>     <version>7.0</version>   </dependency>   <!-- 导入Mysql数据库链接jar包 -->   <dependency>     <groupId>mysql</groupId>     <artifactId>mysql-connector-java</artifactId>     <version>5.1.30</version>   </dependency>   <!-- 导入dbcp的jar包，用来在applicationContext.xml中配置数据库 -->   <dependency>     <groupId>commons-dbcp</groupId>     <artifactId>commons-dbcp</artifactId>     <version>1.2.2</version>   </dependency>   <!-- JSTL标签类 -->   <dependency>     <groupId>jstl</groupId>     <artifactId>jstl</artifactId>     <version>1.2</version>   </dependency>   <!-- 日志文件管理包 -->   <!-- log start -->   <dependency>     <groupId>log4j</groupId>     <artifactId>log4j</artifactId>     <version>${log4j.version}</version>   </dependency>         <!-- 格式化对象，方便输出日志 -->   <dependency>     <groupId>com.alibaba</groupId>     <artifactId>fastjson</artifactId>     <version>1.1.41</version>   </dependency>   <dependency>     <groupId>org.slf4j</groupId>     <artifactId>slf4j-api</artifactId>     <version>${slf4j.version}</version>   </dependency>   <dependency>     <groupId>org.slf4j</groupId>     <artifactId>slf4j-log4j12</artifactId>     <version>${slf4j.version}</version>   </dependency>   <!-- log end -->   <!-- 映入JSON -->   <dependency>     <groupId>org.codehaus.jackson</groupId>     <artifactId>jackson-mapper-asl</artifactId>     <version>1.9.13</version>   </dependency>   <!-- 上传组件包 -->   <dependency>     <groupId>commons-fileupload</groupId>     <artifactId>commons-fileupload</artifactId>     <version>1.3.1</version>   </dependency>   <dependency>     <groupId>commons-io</groupId>     <artifactId>commons-io</artifactId>     <version>2.4</version>   </dependency>   <dependency>     <groupId>commons-codec</groupId>     <artifactId>commons-codec</artifactId>     <version>1.9</version>   </dependency>     </dependencies> <build>  <finalName>TestMaven01</finalName> </build></project>

driver=com.mysql.jdbc.Driverurl=jdbc:mysql://localhost:3306/testusername=rootpassword=#定义初始连接数 initialSize=1#定义最大连接数 maxActive=20#定义最大空闲 maxIdle=20#定义最小空闲 minIdle=1#定义最长等待时间 maxWait=60000

### set log levels ####log4j.rootLogger = debug , stdout , D , Elog4j.rootLogger = debug , stdout , D### output to the console ###log4j.appender.stdout = org.apache.log4j.ConsoleAppenderlog4j.appender.stdout.Target = System.outlog4j.appender.stdout.layout = org.apache.log4j.PatternLayout#log4j.appender.stdout.layout.ConversionPattern = %d{ABSOLUTE} %5p %c{ 1 }:%L - %m%nlog4j.appender.stdout.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss} [%c]-[%p] %m%n### Output to the log file ###log4j.appender.D = org.apache.log4j.DailyRollingFileAppenderlog4j.appender.D.File = ${springmvc.root}/WEB-INF/logs/log.loglog4j.appender.D.Append = truelog4j.appender.D.Threshold = DEBUG log4j.appender.D.layout = org.apache.log4j.PatternLayoutlog4j.appender.D.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss} [ %t:%r ] - [ %p ] %m%n### Save exception information to separate file ###log4j.appender.D = org.apache.log4j.DailyRollingFileAppenderlog4j.appender.D.File = ${springmvc.root}/WEB-INF/logs/error.log log4j.appender.D.Append = truelog4j.appender.D.Threshold = ERROR log4j.appender.D.layout = org.apache.log4j.PatternLayoutlog4j.appender.D.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss} [ %t:%r ] - [ %p ] %m%n

<?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:p="http://www.springframework.org/schema/p"   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-3.1.xsd              http://www.springframework.org/schema/context              http://www.springframework.org/schema/context/spring-context-3.1.xsd              http://www.springframework.org/schema/mvc              http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">   <!-- 自动扫描该包，使SpringMVC认为包下用了@controller注解的类是控制器 -->   <context:component-scan base-package="com.cjt.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.MappingJacksonHttpMessageConverter">     <property name="supportedMediaTypes">       <list>         <value>text/html;charset=UTF-8</value>       </list>     </property>   </bean>   <!-- 启动SpringMVC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>         <ref bean="mappingJacksonHttpMessageConverter" /> <!-- JSON转换器 -->       </list>     </property>   </bean>   <!-- 定义跳转的文件的前后缀 ，视图模式配置-->   <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">     <!-- 这里的配置我的理解是自动给后面action的方法return的字符串加上前缀和后缀，变成一个 可用的url地址 -->     <property name="prefix" value="/WEB-INF/jsp/" />     <property name="suffix" value=".jsp" />   </bean>      <!-- 配置文件上传，如果没有使用文件上传可以不用配置，当然如果不配，那么配置文件中也不必引入上传组件包 -->   <bean id="multipartResolver"      class="org.springframework.web.multipart.commons.CommonsMultipartResolver">      <!-- 默认编码 -->     <property name="defaultEncoding" value="utf-8" />      <!-- 文件大小最大值 -->     <property name="maxUploadSize" value="10485760000" />      <!-- 内存中的最大值 -->     <property name="maxInMemorySize" value="40960" />    </bean>   </beans>

<?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:p="http://www.springframework.org/schema/p"   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-3.1.xsd              http://www.springframework.org/schema/context              http://www.springframework.org/schema/context/spring-context-3.1.xsd              http://www.springframework.org/schema/mvc              http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">   <!-- 自动扫描 -->   <context:component-scan base-package="com.cjt.service" />   <!-- 引入配置文件 -->   <bean id="propertyConfigurer"     class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">     <property name="location" value="classpath:jdbc.properties" />   </bean>    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"     destroy-method="close">     <property name="driverClassName" value="${driver}" />     <property name="url" value="${url}" />     <property name="username" value="${username}" />     <property name="password" value="${password}" />     <!-- 初始化连接大小 -->     <property name="initialSize" value="${initialSize}"></property>     <!-- 连接池最大数量 -->     <property name="maxActive" value="${maxActive}"></property>     <!-- 连接池最大空闲 -->     <property name="maxIdle" value="${maxIdle}"></property>     <!-- 连接池最小空闲 -->     <property name="minIdle" value="${minIdle}"></property>     <!-- 获取连接最大等待时间 -->     <property name="maxWait" value="${maxWait}"></property>   </bean>    <!-- spring和MyBatis完美整合，不需要mybatis的配置映射文件 -->   <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">     <property name="dataSource" ref="dataSource" />     <!-- 自动扫描mapping.xml文件 -->     <property name="mapperLocations" value="classpath:com/cjt/mapping/*.xml"></property>   </bean>    <!-- DAO接口所在包名，Spring会自动查找其下的类 -->   <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">     <property name="basePackage" value="com.cjt.dao" />     <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>   </bean>    <!-- (事务管理)transaction manager, use JtaTransactionManager for global tx -->   <bean id="transactionManager"     class="org.springframework.jdbc.datasource.DataSourceTransactionManager">     <property name="dataSource" ref="dataSource" />   </bean>  </beans>

<?xml version="1.0" encoding="UTF-8"?>  <!DOCTYPE generatorConfiguration   PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN"   "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd">  <generatorConfiguration>  <!-- 数据库驱动-->    <classPathEntry location="mysql-connector-java-5.1.39-bin.jar"/>    <context id="DB2Tables" targetRuntime="MyBatis3">      <commentGenerator>        <property name="suppressDate" value="true"/>         <!-- 是否去除自动生成的注释 true：是 ： false:否 -->        <property name="suppressAllComments" value="true"/>      </commentGenerator>      <!--数据库链接URL，用户名、密码 -->      <jdbcConnection driverClass="com.mysql.jdbc.Driver" connectionURL="jdbc:mysql://localhost:3306/test" userId="root" password="">      </jdbcConnection>      <javaTypeResolver>        <property name="forceBigDecimals" value="false"/>      </javaTypeResolver>       <!-- 生成模型的包名和位置-->      <javaModelGenerator targetPackage="com.cjt.domain" targetProject="src">        <property name="enableSubPackages" value="true"/>        <property name="trimStrings" value="true"/>      </javaModelGenerator>       <!-- 生成映射文件的包名和位置-->        <sqlMapGenerator targetPackage="com.cjt.mapping" targetProject="src">        <property name="enableSubPackages" value="true"/>      </sqlMapGenerator>       <!-- 生成DAO的包名和位置-->     <javaClientGenerator type="XMLMAPPER" targetPackage="com.cjt.dao" targetProject="src">        <property name="enableSubPackages" value="true"/>      </javaClientGenerator>      <!-- 要生成的表 tableName是数据库中的表名或视图名 domainObjectName是实体类名-->       <table tableName="user_t" domainObjectName="User" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false"></table>   </context>  </generatorConfiguration>

public interface IUserService {  public User getUserById(int id);  }

@Servicepublic class UserServiceImpl implements IUserService {  @Autowired  private IUserDao userDao;    public UserServiceImpl() {    System.out.println("UserServiceImpl");  }    public User getUserById(int id) {    return userDao.selectByPrimaryKey(id);  }}

@Controller@RequestMapping("/user")public class UserController {    public UserController() {    System.out.println("UserController");  }  @Resource  private IUserService userService;    @RequestMapping("/showUser")  public String toIndex(HttpServletRequest request,Model model) {    System.out.println("UserController showUser");    int id = Integer.parseInt(request.getParameter("id"));     User user = userService.getUserById(id);     model.addAttribute("user", user);     return "showUser";   }  }

<%@ page language="java" contentType="text/html; charset=utf-8"  pageEncoding="utf-8" import="java.util.*,com.cjt.domain.*"%><!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>Insert title here</title></head><body> ${user.userName}</body></html>

<?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"   xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"   version="3.0">   <display-name>Archetype Created Web Application</display-name>   <!-- Spring和mybatis的配置文件 -->   <context-param>     <param-name>contextConfigLocation</param-name>     <param-value>classpath:spring-mybatis.xml</param-value>   </context-param>   <!-- 编码过滤器 -->   <filter>     <filter-name>encodingFilter</filter-name>     <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>     <async-supported>true</async-supported>     <init-param>       <param-name>encoding</param-name>       <param-value>UTF-8</param-value>     </init-param>   </filter>   <filter-mapping>     <filter-name>encodingFilter</filter-name>     <url-pattern>/*</url-pattern>   </filter-mapping>   <!-- Spring监听器 -->   <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>    <!-- Spring MVC servlet -->   <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>     <async-supported>true</async-supported>   </servlet>   <servlet-mapping>     <servlet-name>SpringMVC</servlet-name>     <!-- 此处可以可以配置成*.do，对应struts的后缀习惯 -->     <url-pattern>/</url-pattern>   </servlet-mapping>   <welcome-file-list>     <welcome-file>/index.jsp</welcome-file>   </welcome-file-list>  </web-app>