修改事务传播属性

mybatis_train/src/main/java/com/config/SpringConfig.java

@@ -0,0 +1,12 @@
+package com.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class SpringConfig {
+    @Bean
+    public String getUserName() {
+        return "zhang";
+    }
+}

mybatis_train/src/main/java/com/service/impl/AccountServiceImpl.java

@@ -4,4 +4,7 @@ import org.springframework.stereotype.Service;
 
 @Service
 public class AccountServiceImpl {
+    public void sayHello() {
+        System.out.println("say");
+    }
 }

mybatis_train/src/main/resources/SpringConfig.xml

@@ -1,23 +0,0 @@
-<?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:context="http://www.springframework.org/schema/context"
-       xsi:schemaLocation="http://www.springframework.org/schema/beans
-       http://www.springframework.org/schema/beans/spring-beans.xsd
-       http://www.springframework.org/schema/context
-       https://www.springframework.org/schema/context/spring-context.xsd">
-    <!--    <bean id="userService1" class="com.service.impl.UserServiceImpl">-->
-    <!--&lt;!&ndash;        <constructor-arg name="userDao" ref="UserDao"></constructor-arg>&ndash;&gt;-->
-    <!--    </bean>-->
-    <!--    加载外部 properties文件-->
-    <!--    <context:property-placeholder location="jdbc.properties"></context:property-placeholder>-->
-    <!--    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">-->
-    <!--        <property name="driverClassName" value="${jdbc.driver}"></property>-->
-    <!--        <property name="url" value="${jdbc.url}"></property>-->
-    <!--        <property name="username" value="${jdbc.username}"></property>-->
-    <!--        <property name="password" value="${jdbc.password}"></property>-->
-    <!--    </bean>-->
-    <!--    组件扫描-->
-    <context:component-scan base-package="com"></context:component-scan>
-</beans>

mybatis_train/src/test/java/Test2.java

@@ -7,11 +7,12 @@ import org.springframework.context.support.ClassPathXmlApplicationContext;
 public class Test2 {
     @Test
     public void testDemo() {
-//        ClassPathXmlApplicationContext classPathXmlApplicationContext =
-//                new ClassPathXmlApplicationContext("SpringConfig.xml");
-        AnnotationConfigApplicationContext annotationConfigApplicationContext = new AnnotationConfigApplicationContext();
+        AnnotationConfigApplicationContext annotationConfigApplicationContext
+                = new AnnotationConfigApplicationContext();
         annotationConfigApplicationContext.scan("com");
         annotationConfigApplicationContext.refresh();
         AccountServiceImpl bean = annotationConfigApplicationContext.getBean(AccountServiceImpl.class);
+        Object getUserName = annotationConfigApplicationContext.getBean("getUserName");
+        bean.sayHello();
     }
 }

spring_aop/pom.xml

@@ -32,6 +32,11 @@
             <version>4.12</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>log4j</groupId>
+            <artifactId>log4j</artifactId>
+            <version>1.2.17</version>
+        </dependency>
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>

spring_aop/src/main/java/com/TestTx.java

@@ -18,6 +18,6 @@ public class TestTx {
     @Test
     public void transformAnno() {
         // 交易测试
-        accountService.transfer(5,4,3.0);
+        accountService.transfer(16,17,3.0);
     }
 }

spring_aop/src/main/java/com/transaction_anno/service/impl/AccountServiceImpl.java

@@ -20,20 +20,27 @@ public class AccountServiceImpl implements AccountService {
         accountEntity.setBalance(300.0);
         int i = accountDao.saveAccount(accountEntity);
     }
-    @Transactional(rollbackFor = Exception.class)
+    @Transactional(rollbackFor = Exception.class,propagation = Propagation.REQUIRED)
     @Override
     public boolean transfer(Integer fromId, Integer toId, Double balance) {
         // 转账操作
-        boolean b;
         AccountEntity fromEntity = new AccountEntity();
         AccountEntity toEntity = new AccountEntity();
         fromEntity.setId(fromId).setBalance(balance);
         toEntity.setId(toId).setBalance(balance);
         // 开启事务
-        accountDao.incomeAccount(toEntity,"to");
+        try {
+            toAccount(toEntity);
+        }catch (Exception e) {
+            System.out.println(e.getMessage());
+        }
+        int in = accountDao.incomeAccount(fromEntity, "in");
         int i = 1/0;
-        accountDao.incomeAccount(fromEntity,"in");
         // 提交事务
         return false;
     }
+    public int toAccount(AccountEntity toEntity) {
+        int to = accountDao.incomeAccount(toEntity, "to");
+        return to;
+    }
 }

spring_aop/src/main/resources/context.xml

@@ -10,9 +10,10 @@
        https://www.springframework.org/schema/aop/spring-aop.xsd
        http://www.springframework.org/schema/context
        https://www.springframework.org/schema/context/spring-context.xsd
-
     ">
+
     <import resource="classpath:transaction_aop.xml"></import>
+
 <!--       1、配置目标对象 2、配置切面对象 3、配置织入告诉Spring 哪些方法（切点）需要增强 -->
     <bean id="target" class="com.aop.TargetImpl"></bean>
     <bean id="myaspect" class="com.aop.MyAspect">

spring_aop/src/main/resources/log4j.properties

@@ -0,0 +1,16 @@
+log4j.rootCategory=INFO, stdout , R
+log4j.appender.stdout=org.apache.log4j.ConsoleAppender
+log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
+log4j.appender.stdout.layout.ConversionPattern=%d-[HL] %p %t %c - %m%n
+
+log4j.appender.R=org.apache.log4j.RollingFileAppender
+log4j.appender.R.File=${\u5E94\u7528\u540D.root}/WEB-INF/logs/xx.log
+log4j.appender.R.MaxFileSize=1024KB
+log4j.appender.R.MaxBackupIndex=10
+log4j.appender.R.layout=org.apache.log4j.PatternLayout
+log4j.appender.R.layout.ConversionPattern=%d-[HL] %p %t %c - %m%n
+
+log4j.logger.org.springframework=DEBUG
+log4j.logger.org.hibernate=DEBUG
+log4j.logger.org.hibernate.ps.PreparedStatementCache=WARN
+log4j.logger.com.lagooo.as=DEBUG