驱动:org.gjt.mm.mysql.Driver
MySQL 4
在执行select后,关闭statement,然后返回rs
执行rs.next()出错:Operation not allowed after ResultSet closed
如果不关闭statement则无错
为什么关闭statement了会出错
点解????
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关闭statement错误
驱动:org.gjt.mm.mysql.Driver MySQL 4 在执行select后,关闭statement,然后返回rs 执行rs.next()出错:Operation not allowed after ResultSet closed 如果不关闭statement则无错 为什么关闭statement了会出错 点解????
事情是这样,statement and PreparedStatement, 在执行Close()以后,与他对应的ResultSet对象就一并销毁了
When a Statement object is closed, its current ResultSet object, if one exists, is also closed.
详情参见sun官方文档