摘要:
● 删除表中的重复记录 DELETE FROM people WHERE peopleName IN ( SELECT peopleName FROM people GROUP BY peopleName HAVING count(peopleName) > 1 ) AND peopleId NOT 阅读全文
摘要:
● 注入属性 //根据bean的类型注入 @AutoWired //根据bean的id注入 @Resource ● component-scan标签只能用一个,扫描多个包要用逗号分隔 <context:component-scan base-package="cn.e3mall.service,cn 阅读全文