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package com.atguigu.spring.aop;public interface ArithmeticCalculator { int add(int i, int j); int sub(int i, int j); int mul(int i, int j); int div(int i, int j); }package com.atguigu.sprin...

package com.atguigu.spring.aop;public interface ArithmeticCalculator { int add(int i, int j); int sub(int i, int j); int mul(int i, int j); int div(int i, int j); }package com.atguigu.spri...

package com.atguigu.spring.aop.xml;public interface ArithmeticCalculator { int add(int i, int j); int sub(int i, int j); int mul(int i, int j); int div(int i, int j); }package com.atguigu....

<?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.springfram

需求图：使用注解配置事务：package com.atguigu.spring.tx;public interface BookShopDao { //根据书号获取书的单价 public int findBookPriceByIsbn(String isbn); //更新数的库存. 使书号对应的库存 - 1 public void updateBookStock(String i...

<?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.springframe