Spring 一二事（十）

 1 <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"> 2   <modelVersion>4.0.0</modelVersion> 3   <groupId>org.springframework.samples</groupId> 4   <artifactId>maven-spring002-aop</artifactId> 5   <version>0.0.1-SNAPSHOT</version> 6    7   <properties> 8  9         <!-- Generic properties -->10         <java.version>1.7</java.version>11         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>12         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>13 14         <!-- Spring -->15         <spring-framework.version>3.2.3.RELEASE</spring-framework.version>16 17         <!-- Logging -->18         <logback.version>1.0.13</logback.version>19         <slf4j.version>1.7.7</slf4j.version>20 21         <!-- Test -->22         <junit.version>4.11</junit.version>23         24         <!-- aspectj -->25 <!--         <aspectj.version>1.8.7</aspectj.version> -->26         <aspectj.version>1.6.6</aspectj.version>27 28     </properties>29     30     <dependencies>31         <!-- Spring and Transactions -->32         <dependency>33             <groupId>org.springframework</groupId>34             <artifactId>spring-context</artifactId>35             <version>${spring-framework.version}</version>36         </dependency>37         <dependency>38             <groupId>org.springframework</groupId>39             <artifactId>spring-tx</artifactId>40             <version>${spring-framework.version}</version>41         </dependency>42 43         <!-- Logging with SLF4J & LogBack -->44         <dependency>45             <groupId>org.slf4j</groupId>46             <artifactId>slf4j-api</artifactId>47             <version>${slf4j.version}</version>48             <scope>compile</scope>49         </dependency>50         <dependency>51             <groupId>ch.qos.logback</groupId>52             <artifactId>logback-classic</artifactId>53             <version>${logback.version}</version>54             <scope>runtime</scope>55         </dependency>56 57         <!-- Test Artifacts -->58         <dependency>59             <groupId>org.springframework</groupId>60             <artifactId>spring-test</artifactId>61             <version>${spring-framework.version}</version>62             <scope>test</scope>63         </dependency>64         <dependency>65             <groupId>junit</groupId>66             <artifactId>junit</artifactId>67             <version>${junit.version}</version>68             <scope>test</scope>69         </dependency>70 71         <dependency>72             <groupId>org.aspectj</groupId>73             <artifactId>aspectjweaver</artifactId>74             <version>${aspectj.version}</version>75         </dependency>76 77     </dependencies>78 79     <build>80         <plugins>81             <plugin>82                 <groupId>org.apache.maven.plugins</groupId>83                 <artifactId>maven-compiler-plugin</artifactId>84                 <configuration>85                     <source>1.7</source>86                     <target>1.7</target>87                 </configuration>88             </plugin>89         </plugins>90     </build> 91 92 </project>

1 　  <context:component-scan base-package="com.lee.spring003.aop.annotation"></context:component-scan>2     3     <!-- 自动创建代理 -->4     <aop:aspectj-autoproxy></aop:aspectj-autoproxy>

1 package com.lee.spring003.aop.annotation;2 3 public interface ITeacherDAO {4     public String saveTeacher();5 }

 1 package com.lee.spring003.aop.annotation; 2  3 import org.springframework.stereotype.Repository; 4  5 @Repository("teacherDAO") 6 public class TeacherDAOImpl implements ITeacherDAO { 7  8     @Override 9     public String saveTeacher() {10         System.out.println("TeacherDAOImpl - saveTeacher()");11         return "save successfully";12     }13 14 }

 1 package com.lee.spring003.aop.annotation; 2  3 import org.aspectj.lang.annotation.AfterReturning; 4 import org.aspectj.lang.annotation.Aspect; 5 import org.aspectj.lang.annotation.Before; 6 import org.aspectj.lang.annotation.Pointcut; 7 import org.springframework.stereotype.Component; 8  9 @Component("transaction")10 @Aspect11 public class Transaction {12     13     @Pointcut("execution(* com.lee.spring003.aop.annotation.TeacherDAOImpl.*(..))")14     public void beginTransactionPointCut() {    // 方法签名15     };16     17     @Before("beginTransactionPointCut()")18     public void beginTransaction() {19         System.out.println("Begin transaction...");20     }21     22     @AfterReturning("beginTransactionPointCut()")23     public void commit() {24         System.out.println("Transaction commit...");25     } 26     27 }