摘要:
1、嵌套子查询 例如实现sql: select u.* from user where u.id in (select s.id from student s where s.status = 0) var query = from(user ) .where(user.id.`in`(JPAExp 阅读全文
摘要:
由于项目需要把jdk升级成为了jdk8,在eclipse中导入一个jdk1.6的项目,启动tomcat的时候,报错: AnnotationTransactionAttributeSource is only available on Java 1.5 and highe 想要解决这个错误,一般有两种 阅读全文