SSM10.2【Spring：基于XML的声明式事务控制】

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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  1 <?xml version="1.0" encoding="UTF-8"?>
  2 <project xmlns="http://maven.apache.org/POM/4.0.0"
  3          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  4          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  5     <modelVersion>4.0.0</modelVersion>
  6 
  7     <groupId>com.haifei</groupId>
  8     <artifactId>SSM10_spring_tx</artifactId>
  9     <version>1.0-SNAPSHOT</version>
 10     <packaging>war</packaging>
 11 
 12 
 13     <dependencies>
 14         <dependency>
 15             <groupId>mysql</groupId>
 16             <artifactId>mysql-connector-java</artifactId>
 17             <version>5.1.32</version>
 18         </dependency>
 19         <dependency>
 20             <groupId>c3p0</groupId>
 21             <artifactId>c3p0</artifactId>
 22             <version>0.9.1.2</version>
 23         </dependency>
 24         <dependency>
 25             <groupId>com.alibaba</groupId>
 26             <artifactId>druid</artifactId>
 27             <version>1.1.10</version>
 28         </dependency>
 29 
 30         <dependency>
 31             <groupId>junit</groupId>
 32             <artifactId>junit</artifactId>
 33             <version>4.12</version>
 34             <scope>test</scope>
 35         </dependency>
 36 
 37         <dependency>
 38             <groupId>org.springframework</groupId>
 39             <artifactId>spring-context</artifactId>
 40             <version>5.0.5.RELEASE</version>
 41         </dependency>
 42         <dependency>
 43             <groupId>org.springframework</groupId>
 44             <artifactId>spring-test</artifactId>
 45             <version>5.0.5.RELEASE</version>
 46         </dependency>
 47         <dependency>
 48             <groupId>org.springframework</groupId>
 49             <artifactId>spring-web</artifactId>
 50             <version>5.0.5.RELEASE</version>
 51         </dependency>
 52         <dependency>
 53             <groupId>org.springframework</groupId>
 54             <artifactId>spring-webmvc</artifactId>
 55             <version>5.0.5.RELEASE</version>
 56         </dependency>
 57         <dependency>
 58             <groupId>org.springframework</groupId>
 59             <artifactId>spring-jdbc</artifactId>
 60             <version>5.0.5.RELEASE</version>
 61         </dependency>
 62         <!--spring事务-->
 63         <dependency>
 64             <groupId>org.springframework</groupId>
 65             <artifactId>spring-tx</artifactId>
 66             <version>5.0.5.RELEASE</version>
 67         </dependency>
 68         <!--spring AOP-->
 69         <dependency>
 70             <groupId>org.aspectj</groupId>
 71             <artifactId>aspectjweaver</artifactId>
 72             <version>1.8.4</version>
 73         </dependency>
 74 
 75         <dependency>
 76             <groupId>javax.servlet</groupId>
 77             <artifactId>javax.servlet-api</artifactId>
 78             <version>3.0.1</version>
 79             <scope>provided</scope>
 80         </dependency>
 81         <dependency>
 82             <groupId>javax.servlet.jsp</groupId>
 83             <artifactId>javax.servlet.jsp-api</artifactId>
 84             <version>2.2.1</version>
 85             <scope>provided</scope>
 86         </dependency>
 87         <dependency>
 88             <groupId>jstl</groupId>
 89             <artifactId>jstl</artifactId>
 90             <version>1.2</version>
 91         </dependency>
 92 
 93         <dependency>
 94             <groupId>com.fasterxml.jackson.core</groupId>
 95             <artifactId>jackson-core</artifactId>
 96             <version>2.9.0</version>
 97         </dependency>
 98         <dependency>
 99             <groupId>com.fasterxml.jackson.core</groupId>
100             <artifactId>jackson-databind</artifactId>
101             <version>2.9.0</version>
102         </dependency>
103         <dependency>
104             <groupId>com.fasterxml.jackson.core</groupId>
105             <artifactId>jackson-annotations</artifactId>
106             <version>2.9.0</version>
107         </dependency>
108 
109         <dependency>
110             <groupId>commons-fileupload</groupId>
111             <artifactId>commons-fileupload</artifactId>
112             <version>1.3.1</version>
113         </dependency>
114         <dependency>
115             <groupId>commons-io</groupId>
116             <artifactId>commons-io</artifactId>
117             <version>2.3</version>
118         </dependency>
119 
120         <dependency>
121             <groupId>commons-logging</groupId>
122             <artifactId>commons-logging</artifactId>
123             <version>1.2</version>
124         </dependency>
125         <dependency>
126             <groupId>org.slf4j</groupId>
127             <artifactId>slf4j-log4j12</artifactId>
128             <version>1.7.7</version>
129         </dependency>
130         <dependency>
131             <groupId>log4j</groupId>
132             <artifactId>log4j</artifactId>
133             <version>1.2.17</version>
134         </dependency>
135     </dependencies>
136 
137 
138     <build>
139         <plugins>
140             <!--jdk编译插件-->
141             <plugin>
142                 <groupId>org.apache.maven.plugins</groupId>
143                 <artifactId>maven-compiler-plugin</artifactId>
144                 <version>3.1</version>
145                 <configuration>
146                     <target>1.8</target>
147                     <source>1.8</source>
148                     <encoding>UTF-8</encoding> <!--防止sout内部输出中文乱码-->
149                 </configuration>
150             </plugin>
151             <!--tomcat7插件-->
152             <plugin>
153                 <groupId>org.apache.tomcat.maven</groupId>
154                 <artifactId>tomcat7-maven-plugin</artifactId>
155                 <version>2.1</version>
156                 <configuration>
157                     <port>8080</port>
158                     <path>/ssm10</path>
159                     <uriEncoding>UTF-8</uriEncoding> <!--防止get请求url中中文参数乱码-->
160                 </configuration>
161             </plugin>
162         </plugins>
163     </build>
164 
165 
166 </project>
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 1 package com.haifei.domain;
 2 
 3 public class Account {
 4 
 5     private String name;
 6     private double money;
 7 
 8     public String getName() {
 9         return name;
10     }
11 
12     public void setName(String name) {
13         this.name = name;
14     }
15 
16     public double getMoney() {
17         return money;
18     }
19 
20     public void setMoney(double money) {
21         this.money = money;
22     }
23 
24 }
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 1 package com.haifei.controller;
 2 
 3 import com.haifei.service.AccountService;
 4 import org.springframework.context.ApplicationContext;
 5 import org.springframework.context.support.ClassPathXmlApplicationContext;
 6 
 7 public class AccountController {
 8 
 9     public static void main(String[] args) {
10         ApplicationContext app = new ClassPathXmlApplicationContext("applicationContext.xml");
11         AccountService accountService = app.getBean(AccountService.class);
12         accountService.transfer("tom","lucy",500);
13     }
14 
15 }
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1 package com.haifei.service;
2 
3 public interface AccountService {
4 
5     public void transfer(String outMan,String inMan,double money);
6 
7 }
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 1 package com.haifei.service;
 2 
 3 import com.haifei.dao.AccountDao;
 4 
 5 /**
 6  * 声明式事务控制明确事项：
 7  * 谁是切点？   transfer()
 8  * 谁是通知？   事务控制
 9  * 配置切面？   AOP配置
10  */
11 public class AccountServiceImpl implements AccountService{
12 
13     private AccountDao accountDao;
14     public void setAccountDao(AccountDao accountDao) {
15         this.accountDao = accountDao;
16     }
17 
18     public void transfer(String outMan,String inMan,double money){
19         //开启事务 。。。
20         accountDao.out(outMan,money); //调用事务1-转出钱
21 //        int i = 1/0; //java.lang.ArithmeticException: / by zero
22         accountDao.in(inMan,money); //调用事务2-转入钱
23         //提交事务 。。。
24     }
25 
26 }
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1 package com.haifei.dao;
2 
3 public interface AccountDao {
4 
5     public void out(String outMan,double money);
6     public void in(String inMan,double money);
7 
8 }
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 1 package com.haifei.dao;
 2 
 3 import org.springframework.jdbc.core.JdbcTemplate;
 4 
 5 public class AccountDaoImpl implements AccountDao{
 6 
 7     private JdbcTemplate template = new JdbcTemplate();
 8     public void setTemplate(JdbcTemplate template) {
 9         this.template = template;
10     }
11 
12     //事务1-转出钱
13     public void out(String outMan, double money) {
14         template.update("update account set money=money-? where name=?",money,outMan);
15     }
16 
17     //事务2-转入钱
18     public void in(String inMan, double money) {
19         template.update("update account set money=money+? where name=?",money,inMan);
20     }
21 
22 }
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 1 <?xml version="1.0" encoding="UTF-8"?>
 2 <beans xmlns="http://www.springframework.org/schema/beans"
 3        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4        xmlns:context="http://www.springframework.org/schema/context"
 5        xmlns:aop="http://www.springframework.org/schema/aop"
 6        xmlns:tx="http://www.springframework.org/schema/tx"
 7        xsi:schemaLocation="
 8             http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
 9             http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
10             http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd
11             http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd
12 ">
13 
14     <!--加载外部的properties文件-->
15     <context:property-placeholder location="classpath:jdbc.properties"/>
16     <!--配置数据源（数据库连接池）-->
17     <bean id="dataSource_c3p0" class="com.mchange.v2.c3p0.ComboPooledDataSource">
18         <property name="driverClass" value="${jdbc.driver}"></property>
19         <property name="jdbcUrl" value="${jdbc.url}"></property>
20         <property name="user" value="${jdbc.username}"></property>
21         <property name="password" value="${jdbc.password}"></property>
22     </bean>
23     <bean id="dataSource_druid" class="com.alibaba.druid.pool.DruidDataSource">
24         <property name="driverClassName" value="${jdbc.driver}"></property>
25         <property name="url" value="${jdbc.url}"></property>
26         <property name="username" value="${jdbc.username}"></property>
27         <property name="password" value="${jdbc.password}"></property>
28     </bean>
29     <!--配置spring jdbcTemplate-->
30     <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
31         <property name="dataSource" ref="dataSource_c3p0"/>  <!--数据源可选c3p0和druid-->
32     </bean>
33 
34 
35     <bean id="accountDao" class="com.haifei.dao.AccountDaoImpl">
36         <property name="template" ref="jdbcTemplate"/>
37     </bean>
38     <!--目标对象，其内部的方法transfer()就是切点-->
39     <bean id="accountService" class="com.haifei.service.AccountServiceImpl">
40         <property name="accountDao" ref="accountDao"/>
41     </bean>
42 
43 
44     <!--配置平台事务管理器-->
45     <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
46         <property name="dataSource" ref="dataSource_c3p0"/>
47     </bean>
48     <!--配置通知-事务的增强-->
49     <tx:advice id="txAdvice" transaction-manager="transactionManager">
50         <!--设置事务的属性信息-->
51         <tx:attributes>
52             <!--<tx:method name="*" />-->  <!--哪些方法被增强-->
53             <tx:method name="transfer" isolation="REPEATABLE_READ" propagation="REQUIRED" timeout="1" read-only="false"/>
54             <!--<tx:method name="save" isolation="REPEATABLE_READ" propagation="REQUIRED" read-only="false"/>
55             <tx:method name="findAll" isolation="REPEATABLE_READ" propagation="REQUIRED" read-only="true"/>
56             <tx:method name="update*" isolation="REPEATABLE_READ" propagation="REQUIRED" read-only="true"/>-->
57         </tx:attributes>
58     </tx:advice>
59 
60 
61     <!--配置事务的AOP织入--> <!--注意：在aop声明切面时，配置事务用aop:advisor，配置一般增强用aop:aspect-->
62     <aop:config>
63         <!--<aop:advisor advice-ref="txAdvice" pointcut="execution(* com.haifei.service.*.*(..))" />-->
64         <aop:pointcut id="txPointcut" expression="execution(* com.haifei.service.*.*(..))" />
65         <aop:advisor advice-ref="txAdvice" pointcut-ref="txPointcut" />
66     </aop:config>
67 
68 </beans>
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