/** 创建BeanFactory实例时，
  * 需要提供Spring所管理容器的详细配置信息，
  * 这些信息通常采用 XML 文件形式管理。
  */
BeanFactory beanFactory = new XmlBeanFactory(new FileSystemResource("D://applicationContext.xml"));

/** 该类从类路径ClassPath中寻找指定的XML配置文件，
  * 找到并装载完成ApplicationContext的实例化工作。
  */
ApplicationContext applicationContext = new ClassPathXmlApplicationContext(String configLocation);
// configLocation参数用于指定Spring配置文件的名称和位置，如applicationContext.xml

/** 该类从指定的文件系统路径中寻找指定的XML配置文件，
  * 找到并装载完成ApplicationContext的实例化工作。
  */
ApplicationContext applicationContext = new FileSystemXmlApplicationContext(String configLocation);
/** 它与ClassPathXmlApplicationContext的区别是：
  * 在读取 Spring 的配置文件时，
  * FileSystemXmlApplicationContext不再从类路径中读取配置文件，
  * 而是通过参数指定配置文件的位置，
  * 它可以获取类路径之外的资源，
  * 如“F：/workspaces/applicationContext.xml”。
  */

package com.spring.ioc;

public interface PersonDao {
    public void add();
}

package com.spring.ioc;

public class PersonDaoImpl implements PersonDao {
    @Override
    public void add() {
        System.out.println("add()执行了...");
    }
}

package com.spring.ioc;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class FirstTest {
    @Test
    public void test1() {
        // 定义Spring配置文件的路径
        String xmlPath = "applicationContext.xml";
        // 初始化Spring容器，加载配置文件
        ApplicationContext applicationContext = new ClassPathXmlApplicationContext(
                xmlPath);
        // 通过容器获取personDao实例
        PersonDao personDao = (PersonDao) applicationContext
                .getBean("personDao");
        personDao.add();
    }
}

package com.spring.ioc;

public interface PersonService {
    public void addPerson();
}

package com.spring.ioc;

public class PersonServiceImpl implements PersonService {
    // 定义接口声明
    private PersonDao personDao;
    // 提供set()方法，用于依赖注入
    public void setPersonDao(PersonDao personDao) {
        this.personDao = personDao;
    }
    // 实现PersonService接口的方法
    @Override
    public void addPerson() {
        personDao.add(); // 调用PersonDao中的add()方法
        System.out.println("addPerson()执行了...");
    }
}

  @Test
    public void test2() {
        // 定义Spring配置文件的路径
        String xmlPath = "applicationContext.xml";
        // 初始化Spring容器，加载   配置文件
        ApplicationContext applicationContext = new ClassPathXmlApplicationContext(
                xmlPath);
        // 通过容器获取personService实例
        PersonService personService = (PersonService) applicationContext
                .getBean("personService");
        // 调用personService的addPerson()方法
        personService.addPerson();
    }

package com.spring.instance.constructor;

public class Person1 {
}

package com.spring.instance.constructor;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class InstanceTest1 {
    @Test
    public void test() {
        // 定义Spring配置文件的路径
        String xmlPath = "com/spring/instance/constructor/ApplicationContext.xml";
        // 初始化Spring容器，加载配置文件，并对bean进行实例化
        ApplicationContext applicationContext = new ClassPathXmlApplicationContext(
                xmlPath);
        // 通过容器获取id为person1的实例
        System.out.println(applicationContext.getBean("person1"));
    }
}

package com.spring.instance.static_factory;

public class Person2 {
}

package com.spring.instance.static_factory;

public class MyBeanFactory {
    // 创建Bean实例的静态工厂方法
    public static Person2 createBean() {
        return new Person2();
    }
}

package com.spring.instance.static_factory;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class InstanceTest2 {
    @Test
    public void test() {
        // 定义Spring配置文件的路径
        String xmlPath = "com/spring/instance/static_factory/applicationContext.xml"; 
        // 初始化Spring容器，加载配置文件，并对bean进行实例化
        ApplicationContext applicationContext = new ClassPathXmlApplicationContext(
                xmlPath);
        // 通过容器获取id为person2实例
        System.out.println(applicationContext.getBean("person2"));
    }
}

package com.spring.instance.factory;

public class Person3 {
}

package com.spring.instance.factory;

public class MyBeanFactory {
    public MyBeanFactory() {
        System.out.println("person3工厂实例化中");
    }
    // 创建Bean的方法
    public Person3 createBean() {
        return new Person3();
    }
}

package com.spring.instance.factory;

import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class InstanceTest3 {
    @Test
    public void test() {
        // 定义Spring配置文件的路径
        String xmlPath = "com/spring/instance/factory/applicationContext.xml"; 
        // 初始化Spring容器，加载配置文件，并对bean进行实例化
        ApplicationContext applicationContext = new ClassPathXmlApplicationContext(
                xmlPath);
        // 通过容器获取id为person3实例
        System.out.println(applicationContext.getBean("person3"));
    }
}

package com.spring.scope;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class PersonTest {
    @Test
    public void test() {
        // 定义Spring配置文件路径
        String xmlPath = "com/spring/scope/applicationContext.xml";
        // 初始化Spring容器，加载配置文件，并对bean进行实例化
        ApplicationContext applicationContext = new ClassPathXmlApplicationContext(
                xmlPath);
        // 输出获得实例
        System.out.println(applicationContext.getBean("person"));
        System.out.println(applicationContext.getBean("person"));
    }
}

package com.spring.assembly;

public class Person {
    private String name;
    private int age;
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public int getAge() {
        return age;
    }
    public void setAge(int age) {
        this.age = age;
    }
    // 重写toString()方法
    public String toString() {
        return "Person[name=" + name + ",age=" + age + "]";
    }
    // 默认无参的构造方法
    public Person() {
        super();
    }
    // 有参的构造方法
    public Person(String name, int age) {
        super();
        this.name = name;
        this.age = age;
    }
}

package com.spring.assembly;

import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class XmlBeanAssemblyTest {
    @Test
    public void test() {
        // 定义Spring配置文件路径
        String xmlPath = "com/spring/assembly/applicationContext.xml";
        // 初始化Spring容器，加载配置文件，并对bean进行实例化
        ApplicationContext applicationContext = new ClassPathXmlApplicationContext(
                xmlPath);
        // 设值方式输出结果
        System.out.println(applicationContext.getBean("person1"));
        // 构造方式输出结果
        System.out.println(applicationContext.getBean("person2"));
    }
}

package com.spring.annotation;

public interface PersonDao {
    public void add();
}

package com.spring.annotation;

import org.springframework.stereotype.Repository;
@Repository("personDao")
public class PersonDaoImpl implements PersonDao {
    @Override
    public void add() {
        System.out.println("Dao层的add()方法执行了...");
    }
}

package com.spring.annotation;
public interface PersonService {
    public void add();
}

package com.spring.annotation;
import javax.annotation.Resource;
import org.springframework.stereotype.Service;
@Service("personService")
public class PersonServiceImpl implements PersonService {
    @Resource(name = "personDao")
    private PersonDao personDao;
    public PersonDao getPersonDao() {
        return personDao;
    }
    @Override
    public void add() {
        personDao.add();// 调用personDao中的add()方法
        System.out.println("Service层的add()方法执行了...");
    }
}

package com.spring.annotation;

import javax.annotation.Resource;
import org.springframework.stereotype.Controller;
@Controller("personAction")
public class PersonAction {
    @Resource(name = "personService")
    private PersonService personService;
    public PersonService getPersonService() {
        return personService;
    }
    public void add() {
        personService.add(); // 调用personService中的add()方法
        System.out.println("Action层的add()方法执行了...");
    }
}

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xmlns:p="http://www.springframework.org/schema/p"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:context="http://www.springframework.org/schema/context"
       xsi:schemaLocation="
            http://www.springframework.org/schema/beans
            http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
            http://www.springframework.org/schema/aop
            http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
            http://www.springframework.org/schema/tx
            http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
            http://www.springframework.org/schema/context
            http://www.springframework.org/schema/context/spring-context.xsd">
    <!--使用context命名空间，通知spring扫描指定目录，进行注解的解析-->
    <context:component-scan base-package="com.spring.annotation"/>
</beans>

package com.spring.annotation;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class AnnotationTest {
    @Test
    public void test() {
        // 定义Spring配置文件路径
        String xmlPath = "com/spring/annotation/applicationContext.xml";
        // 初始化Spring容器，加载配置文件，并对bean进行实例化
        ApplicationContext applicationContext = new ClassPathXmlApplicationContext(
                xmlPath);
        // 获得personAction实例
        PersonAction personAction = (PersonAction) applicationContext
                .getBean("personAction");
        // 调用personAction中的add()方法
        personAction.add();
    }
}

package com.spring.autowire;

import org.springframework.stereotype.Controller;
import javax.annotation.Resource;

@Controller("personAction")
public class PersonAction {
    @Resource(name = "personService")
    private PersonService personService;
    public PersonService getPersonService() {
        return personService;
    }

    public void setPersonService(PersonService personService) {
        this.personService = personService;
    }

    public void add() {
        personService.add(); // 调用personService中的add()方法
        System.out.println("Action层的add()方法执行了...");
    }
}

package com.spring.autowire;

import org.springframework.stereotype.Service;
import javax.annotation.Resource;

@Service("personService")
public class PersonServiceImpl implements PersonService {
    @Resource(name = "personDao")
    private PersonDao personDao;
    public PersonDao getPersonDao() {
        return personDao;
    }

    public void setPersonDao(PersonDao personDao) {
        this.personDao = personDao;
    }

    @Override
    public void add() {
        personDao.add();// 调用personDao中的add()方法
        System.out.println("Service层的add()方法执行了...");
    }

}

package com.spring.dao;

public interface CustomerDao {
    public void add(); // 添加
    public void update(); // 修改
    public void delete(); // 删除
    public void find(); // 查询
}

package com.spring.dao;

public class CustomerDaoImpl implements CustomerDao {
    @Override
    public void add() {
        System.out.println("添加客户...");
    }
    @Override
    public void update() {
        System.out.println("修改客户...");
    }
    @Override
    public void delete() {
        System.out.println("删除客户...");
    }
    @Override
    public void find() {
        System.out.println("修改客户...");
    }
}

package com.spring.jdk;
public class MyAspect {
    public void myBefore() {
        System.out.println("方法执行之前");
    }
    public void myAfter() {
        System.out.println("方法执行之后");
    }
}

package com.spring.jdk;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import com.spring.dao.CustomerDao;
import com.spring.dao.CustomerDaoImpl;
public class MyBeanFactory {
    public static CustomerDao getBean() {
        // 准备目标类
        final CustomerDao customerDao = new CustomerDaoImpl();
        // 创建切面类实例
        final MyAspect myAspect = new MyAspect();
        // 使用代理类，进行增强
        return (CustomerDao) Proxy.newProxyInstance(
                MyBeanFactory.class.getClassLoader(),
                new Class[] { CustomerDao.class }, new InvocationHandler() {
                    public Object invoke(Object proxy, Method method,
                                         Object[] args) throws Throwable {
                        myAspect.myBefore(); // 前增强
                        Object obj = method.invoke(customerDao, args);
                        myAspect.myAfter(); // 后增强
                        return obj;
                    }
                });
                
/** 使用代理类对创建的实例 customerDao 中的方法进行增强，
  * 其中 Proxy 的 newProxyInstance()方法的  
  * 第一个参数是当前类的类加载器，
  * 第二参数是所创建实例的实现类的接口，
  * 第三个参数就是需要增强的方法。
  */
    }
}

package com.spring.jdk;
import org.junit.Test;
import com.spring.dao.CustomerDao;
public class JDKProxyTest {
    @Test
    public void test() {
        // 从工厂获得指定的内容（相当于spring获得，但此内容时代理对象）
        CustomerDao customerDao = MyBeanFactory.getBean();
        // 执行方法
        customerDao.add();
        customerDao.update();
        customerDao.delete();
        customerDao.find();
    }
}

package com.spring.dao;
public class GoodsDao {
    public void add() {
        System.out.println("添加商品...");
    }
    public void update() {
        System.out.println("修改商品...");
    }
    public void delete() {
        System.out.println("删除商品...");
    }
    public void find() {
        System.out.println("修改商品...");
    }
}

package com.spring.cglib;
import java.lang.reflect.Method;
import org.springframework.cglib.proxy.Enhancer;
import org.springframework.cglib.proxy.MethodInterceptor;
import org.springframework.cglib.proxy.MethodProxy;
import com.spring.dao.GoodsDao;
import com.spring.jdk.MyAspect;
public class MyBeanFactory {
    public static GoodsDao getBean() {
        // 准备目标类
        final GoodsDao goodsDao = new GoodsDao();
        // 创建切面类实例
        final MyAspect myAspect = new MyAspect();
        // 生成代理类，CGLIB在运行时，生成指定对象的子类，增强
        Enhancer enhancer = new Enhancer();
        // 确定需要增强的类
        enhancer.setSuperclass(goodsDao.getClass());
        // 添加回调函数
        enhancer.setCallback(new MethodInterceptor() {
            // intercept 相当于 jdk invoke，前三个参数与 jdk invoke—致
            @Override
            public Object intercept(Object proxy, Method method, Object[] args,
                                    MethodProxy methodProxy) throws Throwable {
                myAspect.myBefore(); // 前增强
                Object obj = method.invoke(goodsDao, args); // 目标方法执行
                myAspect.myAfter(); // 后增强
                return obj;
            }
        });
        // 创建代理类
        GoodsDao goodsDaoProxy = (GoodsDao) enhancer.create();
        return goodsDaoProxy;
    }
}

package com.spring.cglib;
import org.junit.Test;
import com.spring.dao.GoodsDao;
public class CGLIBProxyTest {
    @Test
    public void test() {
        // 从工厂获得指定的内容（相当于spring获得，但此内容时代理对象）
        GoodsDao goodsDao = MyBeanFactory.getBean();
        // 执行方法
        goodsDao.add();
        goodsDao.update();
        goodsDao.delete();
        goodsDao.find();
    }
}

package com.spring.factorybean;
import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;
//需要实现接口，确定哪个通知，及告诉Spring应该执行哪个方法
public class MyAspect implements MethodInterceptor {
    public Object invoke(MethodInvocation mi) throws Throwable {
        System.out.println("方法执行之前");
        // 执行目标方法
        Object obj = mi.proceed();
        System.out.println("方法执行之后");
        return obj;
    }
}

package com.spring.factorybean;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import com.spring.dao.CustomerDao;
public class FactoryBeanTest {
    @Test
    public void test() {
        String xmlPath = "com/spring/factorybean/applicationContext.xml";
        ApplicationContext applicationContext = new ClassPathXmlApplicationContext(
                xmlPath);
        CustomerDao customerDao = (CustomerDao) applicationContext
                .getBean("customerDaoProxy");
        customerDao.add();
        customerDao.update();
        customerDao.delete();
        customerDao.find();
    }
}

package com.spring.aspectj.xml;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.ProceedingJoinPoint;
//切面类
public class MyAspect {
    // 前置通知
    public void myBefore(JoinPoint joinPoint) {
        System.out.print("前置通知，目标：");
        System.out.print(joinPoint.getTarget() + "方法名称:");
        System.out.println(joinPoint.getSignature().getName());
    }
    // 后置通知
    public void myAfterReturning(JoinPoint joinPoint) {
        System.out.print("后置通知，方法名称：" + joinPoint.getSignature().getName());
    }
    // 环绕通知
    public Object myAround(ProceedingJoinPoint proceedingJoinPoint)
            throws Throwable {
        System.out.println("环绕开始"); // 开始
        Object obj = proceedingJoinPoint.proceed(); // 执行当前目标方法
        System.out.println("环绕结束"); // 结束
        return obj;
    }
    // 异常通知
    public void myAfterThrowing(JoinPoint joinPoint, Throwable e) {
        System.out.println("异常通知" + "出错了" + e.getMessage());
    }
    // 最终通知
    public void myAfter() {
        System.out.println("最终通知");
    }
}

package com.spring.aspectj.xml;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import com.spring.dao.CustomerDao;
public class XMLTest {
    @Test
    public void test() {
        String xmlPath = "com/spring/aspectj/xml/applicationContext.xml";
        ApplicationContext applicationContext = new ClassPathXmlApplicationContext(
                xmlPath);
        // 从spring容器获取实例
        CustomerDao customerDao = (CustomerDao) applicationContext
                .getBean("customerDao");
        // 执行方法
        customerDao.add();
    }
}

package com.spring.aspectj.annotation;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.After;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.AfterThrowing;
import org.aspectj.lang.annotation.Around;
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 MyAspect {
    // 用于取代：<aop:pointcut
    // expression="execution(*com.mengma.dao..*.*(..))" id="myPointCut"/>
    // 要求：方法必须是private，没有值，名称自定义，没有参数
    @Pointcut("execution(*com.mengma.dao..*.*(..))")
    private void myPointCut() {
    }
    // 前置通知
    @Before("myPointCut()")
    public void myBefore(JoinPoint joinPoint) {
        System.out.print("前置通知，目标：");
        System.out.print(joinPoint.getTarget() + "方法名称:");
        System.out.println(joinPoint.getSignature().getName());
    }
    // 后置通知
    @AfterReturning(value = "myPointCut()")
    public void myAfterReturning(JoinPoint joinPoint) {
        System.out.print("后置通知，方法名称：" + joinPoint.getSignature().getName());
    }
    // 环绕通知
    @Around("myPointCut()")
    public Object myAround(ProceedingJoinPoint proceedingJoinPoint)
            throws Throwable {
        System.out.println("环绕开始"); // 开始
        Object obj = proceedingJoinPoint.proceed(); // 执行当前目标方法
        System.out.println("环绕结束"); // 结束
        return obj;
    }
    // 异常通知
    @AfterThrowing(value = "myPointCut()", throwing = "e")
    public void myAfterThrowing(JoinPoint joinPoint, Throwable e) {
        System.out.println("异常通知" + "出错了" + e.getMessage());
    }
    // 最终通知
    @After("myPointCut()")
    public void myAfter() {
        System.out.println("最终通知");
    }
}

package com.spring.aspectj.annotation;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import com.spring.dao.CustomerDao;
public class AnnotationTest {
    @Test
    public void test() {
        String xmlPath = "com/spring/aspectj/xml/applicationContext.xml";
        ApplicationContext applicationContext = new ClassPathXmlApplicationContext(
                xmlPath);
        // 从spring容器获取实例
        CustomerDao customerDao = (CustomerDao) applicationContext
                .getBean("customerDao");
        // 执行方法
        customerDao.add();
    }
}

jdbc.driverClass = com.mysql.cj.jdbc.Driver
jdbc.jdbcUrl = jdbc:mysql://localhost:3306/spring?serverTimezone=UTC
jdbc.user = root
jdbc.password = root

package com.spring.dao;
public interface AccountDao {
    // 汇款
    public void out(String outUser, int money);
    // 收款
    public void in(String inUser, int money);
}

package com.spring.dao.impl;
import org.springframework.jdbc.core.JdbcTemplate;
import com.spring.dao.AccountDao;
public class AccountDaoImpl implements AccountDao {
    private JdbcTemplate jdbcTemplate;
    public void setJdbcTemplate(JdbcTemplate jdbcTemplate) {
        this.jdbcTemplate = jdbcTemplate;
    }
    // 汇款的实现方法
    public void out(String outUser, int money) {
        this.jdbcTemplate.update("UPDATE account SET money = money-? WHERE username = ?", money, outUser);
    }
    // 收款的实现方法
    public void in(String inUser, int money) {
        this.jdbcTemplate.update("UPDATE account SET money = money+? WHERE username = ?", money, inUser);
    }
}

package com.spring.service;
public interface AccountService {
    // 转账
    public void transfer(String outUser, String inUser, int money);
}

package com.spring.service.impl;

import com.spring.dao.AccountDao;
import com.spring.service.AccountService;

public class AccountServiceImpl implements AccountService {
    private AccountDao accountDao;
    public void setAccountDao(AccountDao accountDao) {
        this.accountDao = accountDao;
    }
    public void transfer(String outUser, String inUser, int money) {
        this.accountDao.out(outUser, money);
        this.accountDao.in(inUser, money);
    }
}

package com.spring.test;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import com.spring.service.AccountService;
public class AccountTest {
    @Test
    public void test() {
        // 获得Spring容器，并操作
        String xmlPath = "applicationContext.xml";
        ApplicationContext applicationContext = new ClassPathXmlApplicationContext(
                xmlPath);
        AccountService accountService = (AccountService) applicationContext
                .getBean("accountService");
        accountService.transfer("zhangsan", "lisi", 100);
    }
}

public void transfer(String outUser, String inUser, int money) {
    this.accountDao.out(outUser, money);
    //模拟断电
    int i = 1/0;
    this.accountDao.in(inUser, money);
}

package com.spring.service.impl;

import com.spring.dao.AccountDao;
import com.spring.service.AccountService;
import org.springframework.transaction.annotation.Isolation;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;

@Transactional(propagation = Propagation.REQUIRED, isolation = Isolation.DEFAULT, readOnly = false)
public class AccountServiceImpl implements AccountService {
    private AccountDao accountDao;
    public void setAccountDao(AccountDao accountDao) {
        this.accountDao = accountDao;
    }

    public void transfer(String outUser, String inUser, int money) {
        this.accountDao.out(outUser, money);
        int i = 1/0;
        this.accountDao.in(inUser, money);
    }
}