package com.zhen.highlights_spring4.ch1.di;

import org.springframework.stereotype.Service;

/**

 * @author zhen

 * @Date 2018/6/12 10:05

 */

@Service

public class FunctionService {

    public String sayHello(String word){

        return "Hello " + word + " !";

    }

}

package com.zhen.highlights_spring4.ch1.di;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.stereotype.Service;

/**

 * @author zhen

 * @Date 2018/6/12 10:07

 */

@Service

public class UseFunctionService {

    @Autowired

    private FunctionService functionService;

    public String sayHello(String word){

        return functionService.sayHello(word);

    }

}

package com.zhen.highlights_spring4.ch1.di;

import org.springframework.context.annotation.ComponentScan;

import org.springframework.context.annotation.Configuration;

/**

 * @author zhen

 * @Date 2018/6/12 10:09

 */

@Configuration

@ComponentScan("com.zhen.highlights_spring4.ch1.di")

public class DiConfig {

}

package com.zhen.highlights_spring4.ch1.di;

import org.springframework.context.annotation.AnnotationConfigApplicationContext;

/**

 * @author zhen

 * @Date 2018/6/12 10:10

 */

public class Main {

    public static void main(String[] args){

        AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(DiConfig.class);

        UseFunctionService useFunctionService = context.getBean(UseFunctionService.class);

        System.out.println(useFunctionService.sayHello("di"));

        context.close();

    }

}

package com.zhen.highlights_spring4.ch1.aop;

import java.lang.annotation.*;

/**

 * @author zhen

 * @Date 2018/6/12 10:45

 */

@Target(ElementType.METHOD)

@Retention(RetentionPolicy.RUNTIME)

@Documented

public @interface Action {

    String name();

}

package com.zhen.highlights_spring4.ch1.aop;

import org.springframework.stereotype.Service;

/**

 * @author zhen

 * @Date 2018/6/12 10:48

 */

@Service

public class DemoAnnotationService {

    @Action(name = "注解式拦截的aop操作")

    public void add(){}

}

package com.zhen.highlights_spring4.ch1.aop;

import org.springframework.stereotype.Service;

/**

 * @author zhen

 * @Date 2018/6/12 10:49

 */

@Service

public class DemoMethodService {

    public void add(){}

}

package com.zhen.highlights_spring4.ch1.aop;

import org.aspectj.lang.JoinPoint;

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.aspectj.lang.reflect.MethodSignature;

import org.springframework.stereotype.Component;

import java.lang.reflect.Method;

/**

 * @author zhen

 * @Date 2018/6/12 10:54

 */

@Aspect

@Component

public class LogAspect {

    @Pointcut("@annotation(com.zhen.highlights_spring4.ch1.aop.Action)")

    public void annotationPointCut(){}

    @After("annotationPointCut()")

    public void after(JoinPoint joinPoint) {

        MethodSignature signature = (MethodSignature) joinPoint.getSignature();

        Method method = signature.getMethod();

        Action action = method.getAnnotation(Action.class);

        System.out.println("注解式拦截 " + action.name());

    }

    @Before("execution(* com.zhen.highlights_spring4.ch1.aop.DemoMethodService.*(..))")

    public void before(JoinPoint joinPoint){

        MethodSignature signature = (MethodSignature)joinPoint.getSignature();

        Method method = signature.getMethod();

        System.out.println("方法规则式拦截 " + method.getName());

    }

}

package com.zhen.highlights_spring4.ch1.aop;

import org.springframework.context.annotation.ComponentScan;

import org.springframework.context.annotation.Configuration;

import org.springframework.context.annotation.EnableAspectJAutoProxy;

/**

 * @author zhen

 * @Date 2018/6/12 11:31

 */

@Configuration

@ComponentScan("com.zhen.highlights_spring4.ch1.aop")

@EnableAspectJAutoProxy

public class AopConfig {

}

package com.zhen.highlights_spring4.ch1.aop;

import org.springframework.context.annotation.AnnotationConfigApplicationContext;

/**

 * @author zhen

 * @Date 2018/6/12 11:33

 */

public class Main {

    public static void main(String[] args){

        AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(AopConfig.class);

        DemoAnnotationService demoAnnotationService = context.getBean(DemoAnnotationService.class);

        DemoMethodService demoMethodService = context.getBean(DemoMethodService.class);

        demoAnnotationService.add();

        demoMethodService.add();

        context.close();

    }

}

package com.zhen.highlights_spring4.ch1.javaconfig;

/**

 * @author zhen

 * @Date 2018/6/12 10:14

 */

public class FunctionService {

    public String sayHello(String word){

        return "Hello " + word + " !";

    }

}

package com.zhen.highlights_spring4.ch1.javaconfig;

/**

 * @author zhen

 * @Date 2018/6/12 10:15

 */

public class UseFunctionService {

    private FunctionService functionService;

    public String sayHello(String word){

        return functionService.sayHello(word);

    }

    public FunctionService getFunctionService() {

        return functionService;

    }

    public void setFunctionService(FunctionService functionService) {

        this.functionService = functionService;

    }

}

package com.zhen.highlights_spring4.ch1.javaconfig;

import org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.Configuration;

/**

 * @author zhen

 * @Date 2018/6/12 10:17

 */

@Configuration

public class JavaConfig {

    @Bean

    public FunctionService functionService(){

        return new FunctionService();

    }

    @Bean

    public UseFunctionService useFunctionService(){

        UseFunctionService useFunctionService = new UseFunctionService();

        useFunctionService.setFunctionService(functionService());

        return useFunctionService;

    }

}

package com.zhen.highlights_spring4.ch1.javaconfig;

import org.springframework.context.annotation.AnnotationConfigApplicationContext;

/**

 * @author zhen

 * @Date 2018/6/12 10:22

 */

public class Main {

    public static void main(String[] args){

        AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(JavaConfig.class);

        UseFunctionService useFunctionService = context.getBean(UseFunctionService.class);

        System.out.println(useFunctionService.sayHello("config"));

    }

}