ssm框架搭建
结合前面文章,把spring ,springmvc,mybatis集成在一起。
新建maven项目ssm.
步骤:其中,先整合spring和mybatis,再整合springmvc
1,myecplise:new -web project,勾选 add maven support
2,pom.xml
<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>ssmTest</groupId> <artifactId>ssmTest</artifactId> <version>0.0.1-SNAPSHOT</version> <packaging>war</packaging> <name /> <description /> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> </properties> <dependencies> <dependency> <groupId>javax.servlet</groupId> <artifactId>jstl</artifactId> <version>1.2</version> <scope>provided</scope> </dependency> <dependency> <groupId>javax.servlet.jsp</groupId> <artifactId>jsp-api</artifactId> <version>2.1</version> <scope>provided</scope> </dependency> <dependency> <groupId>org.glassfish</groupId> <artifactId>javax.annotation</artifactId> <version>3.0.1</version> </dependency> <dependency> <groupId>org.glassfish</groupId> <artifactId>javax.ejb</artifactId> <version>3.0.1</version> </dependency> <dependency> <groupId>org.jboss.weld</groupId> <artifactId>weld-osgi-bundle</artifactId> <version>1.0.1-SP3</version> </dependency> <dependency> <groupId>org.glassfish</groupId> <artifactId>javax.servlet</artifactId> <version>3.0.1</version> </dependency> <!-- Spring Core --> <!-- http://mvnrepository.com/artifact/org.springframework/spring-core --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>4.1.4.RELEASE</version> </dependency> <!-- Spring Context --> <!-- http://mvnrepository.com/artifact/org.springframework/spring-context --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>4.1.4.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>4.1.4.RELEASE</version> </dependency> <!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.15</version> </dependency> <!-- https://mvnrepository.com/artifact/c3p0/c3p0 --> <dependency> <groupId>com.mchange</groupId> <artifactId>c3p0</artifactId> <version>0.9.5.2</version> </dependency> <!-- https://mvnrepository.com/artifact/com.alibaba/druid 版本太高会出错 --> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>1.0.28</version> </dependency> <!-- https://mvnrepository.com/artifact/commons-dbcp/commons-dbcp --> <!-- <dependency> <groupId>commons-dbcp</groupId> <artifactId>commons-dbcp</artifactId> <version>1.2.2</version> </dependency> --> <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> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-test</artifactId> <version>4.0.2.RELEASE</version> <scope>test</scope> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aop</artifactId> <version>4.1.4.Release</version> </dependency> <dependency> <groupId> org.aspectj</groupId> <artifactId> aspectjweaver</artifactId> <version> 1.8.7</version> </dependency> <!-- https://mvnrepository.com/artifact/org.mybatis/mybatis --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>3.4.6</version> </dependency> <!-- https://mvnrepository.com/artifact/log4j/log4j --> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.17</version> </dependency> <!-- https://mvnrepository.com/artifact/org.mybatis/mybatis-spring --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>1.3.2</version> </dependency> <!-- spirng mvc jar --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>4.1.4.RELEASE</version> <scope>compile</scope> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>4.1.4.RELEASE</version> <scope>compile</scope> </dependency> </dependencies> <build> <plugins> <plugin> <artifactId>maven-war-plugin</artifactId> </plugin> <plugin> <artifactId>maven-compiler-plugin</artifactId> <configuration> <source>1.6</source> <target>1.6</target> </configuration> </plugin> </plugins> </build> </project>
2,src下加入这些文件
applicationContext.xml:
<!-- test mybatis-spring --> <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" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:mvc="http://www.springframework.org/schema/mvc" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.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.aluo"> </context:component-scan> <!-- 引入外部属性文件 --> <context:property-placeholder location="classpath:jdbc.properties" /> <!-- 配置c3p0连接池 --> <!-- <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"> <property name="driverClass" value="${jdbc.driverClass}" /> <property name="jdbcUrl" value="${jdbc.url}" /> <property name="user" value="${jdbc.username}" /> <property name="password" value="${jdbc.password}" /> </bean> --> <!-- 配置数据源druid --> <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" destroy-method="close"> <property name="driverClassName" value="${jdbc.driverClass}" /> <property name="url" value="${jdbc.url}" /> <property name="username" value="${jdbc.username}" /> <property name="password" value="${jdbc.password}" /> <property name="maxActive" value="10" /> <property name="minIdle" value="5" /> </bean> <!-- 配置事务管理器 --> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource" /> </bean> <!-- 配置事务的增强 --> <tx:advice id="transactionAdvice" transaction-manager="transactionManager"> <tx:attributes> <tx:method name="add*" propagation="REQUIRED" /> <tx:method name="append*" propagation="REQUIRED" /> <tx:method name="insert*" propagation="REQUIRED" /> <tx:method name="save*" propagation="REQUIRED" /> <tx:method name="update*" propagation="REQUIRED" /> <tx:method name="modify*" propagation="REQUIRED" /> <tx:method name="edit*" propagation="REQUIRED" /> <tx:method name="delete*" propagation="REQUIRED" /> <tx:method name="remove*" propagation="REQUIRED" /> <tx:method name="repair" propagation="REQUIRED" /> <tx:method name="delAndRepair" propagation="REQUIRED" /> <tx:method name="get*" propagation="SUPPORTS" /> <tx:method name="find*" propagation="SUPPORTS" /> <tx:method name="load*" propagation="SUPPORTS" /> <tx:method name="search*" propagation="SUPPORTS" /> <tx:method name="datagrid*" propagation="SUPPORTS" /> <tx:method name="*" propagation="SUPPORTS" /> </tx:attributes> </tx:advice> <!-- 配置切面 --> <aop:config> <!-- 配置切点 --> <aop:pointcut expression="execution(* com.aluo.service.*.*(..))" id="pointcut1" /> <!-- 配置切面 --> <aop:advisor advice-ref="transactionAdvice" pointcut-ref="pointcut1" /> </aop:config> <!-- 开启注解事务 --> <tx:annotation-driven transaction-manager="transactionManager" /> <!-- myBatis文件 --> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <property name="dataSource" ref="dataSource" /> <!-- 配置数据库表对应的java实体类 --> <property name="typeAliasesPackage" value="com.aluo.domain.User" /> <!-- 自动扫描entity目录, 省掉Configuration.xml里的手工配置 --> <property name="mapperLocations" value="classpath:com/aluo/mybatis/*.xml" /> </bean> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <property name="basePackage" value="com.aluo.mybatis" /> <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory" /> </bean> </beans>
jdbc.properties:
jdbc.driverClass=com.mysql.jdbc.Driver
jdbc.url = jdbc:mysql://localhost:3306/luo
jdbc.username=root
jdbc.password=123456
log4j.properties:
log4j.rootLogger=INFO,Console,File
#\u5B9A\u4E49\u65E5\u5FD7\u8F93\u51FA\u76EE\u7684\u5730\u4E3A\u63A7\u5236\u53F0
log4j.appender.Console=org.apache.log4j.ConsoleAppender
log4j.appender.Console.Target=System.out
#\u53EF\u4EE5\u7075\u6D3B\u5730\u6307\u5B9A\u65E5\u5FD7\u8F93\u51FA\u683C\u5F0F\uFF0C\u4E0B\u9762\u4E00\u884C\u662F\u6307\u5B9A\u5177\u4F53\u7684\u683C\u5F0F
log4j.appender.Console.layout = org.apache.log4j.PatternLayout
log4j.appender.Console.layout.ConversionPattern=[%c] - %m%n
#\u6587\u4EF6\u5927\u5C0F\u5230\u8FBE\u6307\u5B9A\u5C3A\u5BF8\u7684\u65F6\u5019\u4EA7\u751F\u4E00\u4E2A\u65B0\u7684\u6587\u4EF6
log4j.appender.File = org.apache.log4j.RollingFileAppender
#\u6307\u5B9A\u8F93\u51FA\u76EE\u5F55
log4j.appender.File.File = logs/ssm.log
#\u5B9A\u4E49\u6587\u4EF6\u6700\u5927\u5927\u5C0F
log4j.appender.File.MaxFileSize = 10MB
# \u8F93\u51FA\u6240\u4EE5\u65E5\u5FD7\uFF0C\u5982\u679C\u6362\u6210DEBUG\u8868\u793A\u8F93\u51FADEBUG\u4EE5\u4E0A\u7EA7\u522B\u65E5\u5FD7
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
ssm-servlet.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: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.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd"> <!-- 自动扫描controller包下的所有类,使其认为是spring mvc的控制器 路径即为类路径 --> <context:component-scan base-package="com.aluo.control"> </context:component-scan> <!-- 配置视图解析器 如何把handler 方法返回值解析为实际的物理视图 根据控制器返回的字符串拼接成jsp路径:/WEB-INF/jsp/xx.jsp --> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="prefix" value="/WEB-INF/jsp/"></property> <property name="suffix" value=".jsp"></property> </bean> </beans>
3,加入以下类:
User:
package com.aluo.domain; public class User { public User(int id, String phone, String password) { super(); this.id = id; this.phone = phone; this.password = password; } private int id; private String phone; private String password; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getPhone() { return phone; } public void setPhone(String phone) { this.phone = phone; } public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } }
接口UserMapper:
package com.aluo.mybatis; import java.util.List; import com.aluo.domain.User; public interface UserMapper { User selectUser(int id); List<User> selectUserList(); void insertUser(User user); void deleteUserById(int id); }
UserMapper.xml:
<?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="com.aluo.mybatis.UserMapper"> <select id="selectUser" resultType="com.aluo.domain.User"> select * from user where id = #{id} </select> <select id="selectUserList" resultType="com.aluo.domain.User"> select * from user </select> <insert id="insertUser"> insert into user (phone,password) values (#{phone},#{password}) </insert> <delete id="deleteUserById"> delete from user where id = #{id} </delete> </mapper>
接口UserDao:
package com.aluo.dao; import java.util.List; import com.aluo.domain.User; public interface UserDao { User selectUser(int id); List<User> selectUserList(); void inserttUser(User user); void deleteUserById(int id); }
实现类UserDaoImpl:
package com.aluo.dao.Impl; import java.util.List; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Repository; import com.aluo.dao.UserDao; import com.aluo.domain.User; import com.aluo.mybatis.UserMapper; @Repository public class UserDaoImpl implements UserDao { @Autowired UserMapper userMapper; @Override public User selectUser(int id) { return userMapper.selectUser(id); } @Override public List<User> selectUserList() { return userMapper.selectUserList(); } @Override public void inserttUser(User user) { userMapper.insertUser(user); } @Override public void deleteUserById(int id) { userMapper.deleteUserById(id); } }
接口UserService:
package com.aluo.service; import java.util.List; import com.aluo.domain.User; public interface UserService { User selectUser(int id); List<User> selectUserList(); void insertUser(User user); void deleteUserById(int id); }
实现类:UserServiceImpl:
package com.aluo.service.impl; import java.util.List; import org.apache.log4j.Logger; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Propagation; import org.springframework.transaction.annotation.Transactional; import com.aluo.dao.UserDao; import com.aluo.domain.User; import com.aluo.service.UserService; import com.aluo.test.ssmTest; @Service //@Transactional (propagation = Propagation.REQUIRED, rollbackFor = Throwable.class) public class UserServiceImpl implements UserService { @Autowired UserDao userDao; @Override public User selectUser(int id) { return userDao.selectUser(id); } @Override public List<User> selectUserList() { return userDao.selectUserList(); } @Override public void insertUser(User user) { userDao.inserttUser(user); // int a = 12/0; } @Override public void deleteUserById(int id) { userDao.deleteUserById(id); } }
Controller类UserController:
package com.aluo.control; import javax.annotation.Resource; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.ModelMap; import org.springframework.web.bind.annotation.RequestMapping; import com.aluo.domain.User; import com.aluo.service.UserService; @Controller public class UserController { @Autowired UserService userService; @RequestMapping("/getUsser") public String getUser(ModelMap model) { model.addAttribute("user", userService.selectUser(3)); return "user"; } @RequestMapping("/selectUserList") public String selectUserList(ModelMap model) { model.addAttribute("userList", userService.selectUserList()); return "userList"; } @RequestMapping("/insertUser") public String insertUser(ModelMap model) { User user = new User(7, "7777", "777"); userService.insertUser(user); model.addAttribute("message","insert success" ); return "message"; } @RequestMapping("/deleteUserById") public String deleteUserById(ModelMap model) { userService.deleteUserById(3); model.addAttribute("message", "delete success"); return "message"; } }
4,新建测试类SsmTest:
package com.aluo.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.aluo.dao.UserDao; import com.aluo.domain.User; import com.aluo.mybatis.UserMapper; import com.aluo.service.UserService; @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration("classpath:applicationContext.xml") public class SsmTest { private static Logger logger = Logger.getLogger(SsmTest.class); @Autowired private UserService userService; @Test public void test() { System.out.println("begin"); System.out.println(userService.selectUser(3)); // User user = new User(2, "999", "999"); // userService.insertUser(user); // logger.info("value:" + userMapper.selectUser(3)); } }
output: com.aluo.domain.User@5aacc14
至此,spring和mybatis整合成功。接下来,再整合springmvc
5,web.xml:
<?xml version="1.0" encoding="UTF-8"?> <web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"> <!-- 配置SpringMVC下的配置文件位置及名称 --> <display-name>Spring MVC Application</display-name> <!-- Spring和mybatis的配置文件 --> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:applicationContext.xml</param-value> </context-param> <!-- Springmvc的配置文件 --> <servlet> <servlet-name>ssm</servlet-name> <servlet-class> org.springframework.web.servlet.DispatcherServlet </servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:ssm-servlet.xml</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>ssm</servlet-name> <url-pattern>/</url-pattern> </servlet-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> </web-app>
6,web-inf下面新建文件夹jsp,再新建user.jsp,message.jsp,userList.jsp,贴出关键部分:
<body> This is my JSP page. <br> ${user } </body> <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%> <body> This is my JSP page. <br> <table align='center' border='1' cellspacing='0'> <tr> <td>id</td> <td>phone</td> <td>password</td> </tr> <c:forEach items="${userList}" var="c" varStatus="st"> <tr> <td>${c.id}</td> <td>${c.phone}</td> <td>${c.password}</td> </tr> </c:forEach> </table> </body> <body> This is my JSP page. <br> ${message } </body>
7,项目运行在tomcat7服务器。
访问http://localhost:8080/ssm/getUsser,如图:
访问:http://localhost:8080/ssm/selectUserList,如图:
访问:http://localhost:8080/ssm/insertUser,如图:
至此,基本搭建完成。
加上事务:
有两种,一种是注解,二是xml配置aop.
一,注解
1,applicationContext.xml加上以下代码
<!-- 开启注解事务 -->
<tx:annotation-driven transaction-manager="transactionManager" />
2,类UserServiceImpl的方法insertUser加上出错代码
int a = 12/0;
3,UserServiceImpl加上
@Transactional (propagation = Propagation.REQUIRED, rollbackFor = Throwable.class)
如图;
4,再运行http://localhost:8080/ssm/insertUser,提示出错,事务回滚。
二,xml配置aop
1,,applicationContext.xml加上以下代码
<!-- 配置事务管理器 --> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource" /> </bean> <!-- 配置事务的增强 --> <tx:advice id="transactionAdvice" transaction-manager="transactionManager"> <tx:attributes> <tx:method name="add*" propagation="REQUIRED" /> <tx:method name="append*" propagation="REQUIRED" /> <tx:method name="insert*" propagation="REQUIRED" /> <tx:method name="save*" propagation="REQUIRED" /> <tx:method name="update*" propagation="REQUIRED" /> <tx:method name="modify*" propagation="REQUIRED" /> <tx:method name="edit*" propagation="REQUIRED" /> <tx:method name="delete*" propagation="REQUIRED" /> <tx:method name="remove*" propagation="REQUIRED" /> <tx:method name="repair" propagation="REQUIRED" /> <tx:method name="delAndRepair" propagation="REQUIRED" /> <tx:method name="get*" propagation="SUPPORTS" /> <tx:method name="find*" propagation="SUPPORTS" /> <tx:method name="load*" propagation="SUPPORTS" /> <tx:method name="search*" propagation="SUPPORTS" /> <tx:method name="datagrid*" propagation="SUPPORTS" /> <tx:method name="*" propagation="SUPPORTS" /> </tx:attributes> </tx:advice> <!-- 配置切面 --> <aop:config> <!-- 配置切点 --> <aop:pointcut expression="execution(* com.aluo.service.*.*(..))" id="pointcut1" /> <!-- 配置切面 --> <aop:advisor advice-ref="transactionAdvice" pointcut-ref="pointcut1" /> </aop:config> <!-- 开启注解事务 --> <tx:annotation-driven transaction-manager="transactionManager" />
2,类UserServiceImpl的方法insertUser加上出错代码
int a = 12/0;
3,再运行http://localhost:8080/ssm/insertUser,提示出错,事务回滚。