【ssm】ssm的maven工程整合(超详细步骤)

来源:互联网 发布:积分编排软件 编辑:程序博客网 时间:2024/06/16 18:43

spring、SpringMVC和Mybatis

使用框架都是较新的版本:

Spring 4.0.2 RELEASESpring MVC 4.0.2 RELEASEMyBatis 3.2.6

项目基本安排
这里写图片描述
1.1、Maven引入需要的JAR包
pom.xml

<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>4.11</version>              <!-- 表示开发的时候引入,发布的时候不会加载此包 -->              <scope>test</scope>          </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>  

1.2、Spring与MyBatis的整合
所有需要的JAR包都引入以后,首先进行Spring与MyBatis的整合,然后再进行JUnit测试,先看一个项目结构图:

1.2.1、建立JDBC属性文件
jdbc.properties(文件编码修改为utf-8)

driver=com.mysql.jdbc.Driver  url=jdbc:mysql://127.0.0.1:3306/ssm  username=root  password=root  #定义初始连接数  initialSize=0  #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  

1.2.2、建立spring-mybatis.xml配置文件
这个文件就是用来完成spring和mybatis的整合的。这里面也没多少行配置,主要的就是自动扫描,自动注入,配置数据库。注释也很详细,大家看看就明白了。
spring-mybatis.xml

<?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.yjq.ssm" />      <!-- 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/yjq/ssm/mapper/*.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.yjq.ssm.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>

1.2.3、Log4j的配置
log4j.properties

#定义LOG输出级别  log4j.rootLogger=INFO,Console,File  #定义日志输出目的地为控制台  log4j.appender.Console=org.apache.log4j.ConsoleAppender  log4j.appender.Console.Target=System.out  #可以灵活地指定日志输出格式,下面一行是指定具体的格式  log4j.appender.Console.layout = org.apache.log4j.PatternLayout  log4j.appender.Console.layout.ConversionPattern=[%c] - %m%n  #文件大小到达指定尺寸的时候产生一个新的文件  log4j.appender.File = org.apache.log4j.RollingFileAppender  #指定输出目录  log4j.appender.File.File = logs/ssm.log  #定义文件最大大小  log4j.appender.File.MaxFileSize = 10MB  # 输出所以日志,如果换成DEBUG表示输出DEBUG以上级别日志  log4j.appender.File.Threshold = ALL  log4j.appender.File.layout = org.apache.log4j.PatternLayout  log4j.appender.File.layout.ConversionPattern =[%p] [%d{yyyy-MM-dd HH\:mm\:ss}][%c]%m%n  

1.2.4、JUnit测试
经过以上步骤(到4.2.2,log4j不配也没影响),已经完成了Spring和mybatis的整合,这样我们就可以编写一段测试代码来试试是否成功了。

4.2.4.1、创建测试用表
既然需要测试,那么就需要建立在数据库中建立一个测试表,_t是为了体现mybatis的自动驼峰命名。SQL语句为:

DROP TABLE IF EXISTS `user_t`;  CREATE TABLE `user_t` (    `id` int(11) NOT NULL AUTO_INCREMENT,    `user_name` varchar(40) NOT NULL,    `password` varchar(255) NOT NULL,    `age` int(4) NOT NULL,    PRIMARY KEY (`id`)  ) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8;  /*Data for the table `user_t` */  insert  into `user_t`(`id`,`user_name`,`password`,`age`) values (1,'测试','sfasgfaf',24);  

1.2.4.2、利用MyBatis Generator自动创建代码
这个可根据表自动创建实体类、MyBatis映射文件以及DAO接口,当然,我习惯将生成的接口名改为IUserDao,而不是直接用它生成的UserMapper。如果不想麻烦就可以不改。完成后将文件复制到工程中。如图:

1.2.4.3、建立Service接口和实现类
IUserService.jave

package com.yjq.ssm.service;import com.yjq.ssm.model.UserT;public interface UserTService {      public UserT getUserById(int userId);  }

UserServiceImpl.java

package com.yjq.ssm.service.impl;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Service;import com.yjq.ssm.dao.UserTMapper;import com.yjq.ssm.model.UserT;import com.yjq.ssm.service.UserTService;@Servicepublic class UserTServiceImpl implements UserTService {      @Autowired    private UserTMapper userTDao;      public UserT getUserById(int userId) {          return this.userTDao.selectByPrimaryKey(userId);      }  }

1.2.4.4、建立测试类

package com.yjq.ssm.test;  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;import com.yjq.ssm.model.UserT;import com.yjq.ssm.service.UserTService;  @RunWith(SpringJUnit4ClassRunner.class)     //表示继承了SpringJUnit4ClassRunner类  @ContextConfiguration(locations = {"classpath:spring.xml"})  public class TestMyBatis {      private static Logger logger = Logger.getLogger(TestMyBatis.class);  //  private ApplicationContext ac = null;   未引入spring,则需要getbean方式测试    @Autowired      private UserTService userTService = null;  //  @Before  //  public void before() {  //      ac = new ClassPathXmlApplicationContext("applicationContext.xml");  //      userService = (IUserService) ac.getBean("userService");  //  }      @Test      public void test1() {          UserT user = userTService.getUserById(1);          // System.out.println(user.getUserName());          // logger.info("值:"+user.getUserName());          logger.info(JSON.toJSONString(user));      }  }

至此,完成Spring和mybatis这两大框架的整合,下面在继续进行SpringMVC的整合。

1.3、整合SpringMVC

1.3.1、配置spring-mvc.xml

<?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.yjq.ssm.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>  

1.3.2、配置web.xml文件
web.xml

<?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>  

1.3.3、测试

1.3.3.1、新建jsp页面
showUser.jsp
此页面仅输出一下用户名,完成一个完整的简单流程。

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>  <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">  <html>    <head>      <title>测试</title>    </head>    <body>      ${user.userName}    </body>  </html>  

1.3.3.2、建立UserController类
UserController.java 控制器

package com.yjq.ssm.controller;import javax.servlet.http.HttpServletRequest;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Controller;import org.springframework.ui.Model;import org.springframework.web.bind.annotation.RequestMapping;import com.yjq.ssm.model.UserT;import com.yjq.ssm.service.UserTService;@Controller@RequestMapping("/user")public class UserTController {    @Autowired    private UserTService userTService;      @RequestMapping("/showUser")      public String toIndex(HttpServletRequest request,Model model){          int userId = Integer.parseInt(request.getParameter("id"));          UserT user = this.userTService.getUserById(userId);          model.addAttribute("user", user);          return "showUser";      } }

1.3.3.3、部署项目
输入地址:localhost:8080/项目名称/user/showUser?id=1
原文地址:http://blog.csdn.net/zhshulin/article/details/37956105

原创粉丝点击