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[Java教程]Spring 一二事(10)


先贴出POM的内容,这个毕竟是用的maven来简单构建的

 1 <project ="http://maven.apache.org/POM/4.0.0" ="http://www.w3.org/2001/ 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>

关于AOP的配置,我个人还是喜欢用

applicationContext.

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>

ITeacherDAO.java

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

TeacherDAOImpl.java

 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 }

Transaction.java

 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 }

 

github地址:https://github.com/leechenxiang/maven-spring002-aop