Spring4-AOP切面-注解方式

1.创建Maven项目,项目名称springdemo51,如图所示

2.配置Maven,修改项目中的pom.xml文件,修改内容如下

  1.0.0
  shequ
  springdemo13
  0.0.1-SNAPSHOT
  
  
  	1.7
  	UTF-8
  	UTF-8
  
  
  
  	
  		codelds
  		https://code.lds.org/nexus/content/groups/main-repo
  	
  
  
  
  	
  		org.aspectj
  		aspectjweaver
  		1.8.3
  	
  	
  	
  		org.aspectj
  		aspectjrt
  		1.8.3
  	
  	
  	
  		javax.annotation
  		jsr250-api
  		1.0
  	
  	
  	
  		org.springframework
  		spring-test
  		4.1.4.RELEASE
  	
  	
  	
  		junit
  		junit
  		4.10
  	
  	
  	
  		org.springframework
  		spring-core
  		4.1.4.RELEASE
  	
  	
  	
        org.springframework
        spring-context
        4.1.4.RELEASE
    
    
    
        org.springframework
        spring-jdbc
        4.1.4.RELEASE
    
    
    
        mysql
        mysql-connector-java
        5.1.34
    
       
       
  
  

3.在src/main/java下创建实体Bean Customer,包名(com.mycompany.shequ.bean)如图所示

4.实体Bean Customer的内容如下

package com.mycompany.shequ.bean;

public class Customer {
	private String name;
	private String email;
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public String getEmail() {
		return email;
	}
	public void setEmail(String email) {
		this.email = email;
	}
}

5.在src/main/java下创建接口ICustomerDao,包名(com.mycompany.shequ.dao)如图所示

6.ICustomerDao的内容如下

package com.mycompany.shequ.dao;

import com.mycompany.shequ.bean.Customer;

public interface ICustomerDao {
	public void save(Customer customer);
}

7.在src/main/java下创建ICustomerDao的实现类CustomerDaoImpl,包名

8.ICustomerDao的实现类CustomerDaoImpl的内容如下

package com.mycompany.shequ.dao.impl;

import org.springframework.stereotype.Component;

import com.mycompany.shequ.bean.Customer;
import com.mycompany.shequ.dao.ICustomerDao;

@Component("customerDao")
public class CustomerDaoImpl implements ICustomerDao {

	public void save(Customer customer) {
		System.out.println("customer saved success");
	}
}

9.在src/main/java下创建业务Bean ICustomerService接口,包名(com.mycompany.shequ.service)如图所示

10.ICustomerService接口的内容如下

package com.mycompany.shequ.service;

import com.mycompany.shequ.bean.Customer;

public interface ICustomerService {
	public void save(Customer customer);
}

11.在src/main/java下创建业务Bean ICustomerService接口的实现类CustomerServiceImpl,包名(com.mycompany.shequ.service.impl)如图所示

12.业务Bean ICustomerService接口的实现类CustomerServiceImpl的内容如下

package com.mycompany.shequ.service.impl;

import javax.annotation.Resource;

import org.springframework.stereotype.Component;

import com.mycompany.shequ.bean.Customer;
import com.mycompany.shequ.dao.ICustomerDao;
import com.mycompany.shequ.service.ICustomerService;

@Component("customerServiceImpl")
public class CustomerServiceImpl implements ICustomerService {
	
	private ICustomerDao customerDao;

	public ICustomerDao getCustomerDao() {
		return customerDao;
	}

	@Resource(name="customerDao")
	public void setCustomerDao(ICustomerDao customerDao) {
		this.customerDao = customerDao;
	}
	
	public void init(){
		System.out.println("init");
	}
	
	public void destroy(){
		System.out.println("destroy");
	}

	public void save(Customer customer) {
		customerDao.save(customer);
	}

}

13.在src/main/java下创建aop切面类CustomerInterceptor,包名(com.mycompany.shequ.aop)如图所示

14.aop切面类CustomerInterceptor的内容如下

package com.mycompany.shequ.aop;

import org.aspectj.lang.annotation.After;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.AfterThrowing;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.springframework.stereotype.Component;

//切面类
@Aspect
@Component
public class CustomerInterceptor {
	//从com.mycompany.shequ.service.impl.CustomerServiceImpl.save方法切入
	@Pointcut("execution(public * com.mycompany.shequ.service..*.save(..))")
	public void myMethod(){
		
	}
	
	@Before("myMethod()")
	public void before(){
		System.out.println("method before");
	}
	
	@After("myMethod()")
	public void after(){
		System.out.println("method after");
	}
	
	@AfterReturning("execution(public * com.mycompany.shequ.dao..*.*(..))")
	public void AfterReturning(){
		System.out.println("method afterreturning");
	}
	
	@AfterThrowing("execution(public * com.mycompany.shequ.dao..*.*(..))")
	public void AfterThrowing(){
		System.out.println("method afterThrowing");
	}
}

15.在src/main/resource下创建核心的配置文件applicationContext.xml,如图所示

16.配置文件applicationContext.xml,如图所示

17.在src/test/java下创建测试文件AppTest,包名(com.mycompany.shequ.test)如图所示

18.测试文件AppTest的内容如下

package com.mycompany.shequ.test;

import org.junit.Test;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import com.mycompany.shequ.bean.Customer;
import com.mycompany.shequ.service.ICustomerService;

public class AppTest {
	
	@Test
	public void beanTest(){
	    ClassPathXmlApplicationContext context = new 
	    ClassPathXmlApplicationContext("applicationContext.xml");
		ICustomerService customerService = (ICustomerService) 
		context.getBean("customerServiceImpl");
		customerService.save(new Customer());
		context.destroy();
	}
}

19.在测试类AppTest的beanTest方法上右键运行,输出结果如图所示