MyEclipse2014高速配置Spring & Spring Testing, Spring AOP简单使用

Posted 2020-09-23 cxchanpin

1.新建项目

2.右击项目,如图,利用myeclipse自己主动导入spring

3.在弹出的对话框中一直next到最后,在最后的页面中勾选Spring Testing,完毕.

4.在src下的applicationContext.xml里,点击namespaces,勾选aop和context

5.在上图的底部分别进入aop和context界面,

    5.1在aop界面右击beans,加入<aop:aspectj-autoproxy>,这个的作用是启用aspectj类型的aop功能.

    5.2 在context界面右击beans,加入<context:component-scan>,并在右边的elemen details识图中填写base-package和选择annotation-config

base-package的作用是,让spring自己主动扫描存在注解的包并注冊为spring beans.(我这里的包均以glut开头)

annotation-config的作用大概是启用注解.(doc里面大致的意思......)

6.创建UserService接口,UserServiceImp实现类还有MyTest測试类.

文件夹结构:

package glut.service;

public interface UserService {
	void login(String username);
}

package glut.serviceImp;

import org.springframework.stereotype.Service;

import glut.service.UserService;

@Service
public class UserServiceImp implements UserService {

	@Override
	public void login(String username) {
		// TODO Auto-generated method stub
		System.out.println(username + " has login");
	}

}

package glut.test;

import javax.annotation.Resource;

import glut.service.UserService;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

//启用Spring JUnit
@RunWith(SpringJUnit4ClassRunner.class)
//载入指定的配置文件
@ContextConfiguration(locations = "classpath:applicationContext.xml")
public class MyTest {
	@Resource
	private UserService userService;

	@Test
	public void test() {
		userService.login("leo");
	}
}

測试结果:

7.接下来測试AOP功能,新建一个切面类

package glut.aspect;

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

//声明为切面
@Aspect
//切面也要作为component识别
@Component
public class MyAspect {
	//execution(随意类型  glut..随意包.随意类(随意參数)
	@Pointcut("execution(* glut..*.*(..))")
	public void myPointCut() {
	};

	//调用poincut指定的方法前运行beforeMethod
	@Before("myPointCut()")
	public void beforeMethod() {
		System.out.println("This is before method");
	}

	//调用poincut指定的方法后运行afterMethod
	@After("myPointCut()")
	public void afterMethod() {
		System.out.println("This is after method");
	}
}

最后再看一次測试结果:

MyEclipse2014,你值得拥有.