在JSP页面,对数据库里的数据进行修改的代码

2025-03-18 03:56:00
推荐回答(5个)
回答1:

jsp页面进行数据库操作:
1. 插入数据库的是在同一个项目中,同一个server环境里,你应该专门为这个表的更新做一下保存,比如缓存一个list,等你ajax调用这些差别的数据后,清空这个list。
2.如果不在一个项目中,一般会有一些通用的消息中间件。
3. 如果实在就是为了简单,就是从数据库读取,可以尝试增加一个最后修改时间字段,每次记录自己ajax请求的时间,读取数据库的时候只读取在这个时间之后更改过的数据。

回答2:

首先链接数据库啊
Class.forName( "oracle.jdbc.driver.OracleDriver" );//oracle驱动
Connection con=DriverManager.getConnection("数据库地址");

然后写sql语句
conn.prepareStatement(“sql语句”);
OK了!

回答3:

不建议在jsp中直接操作数据库修改数据,如果非要这么干,其实就是写点java代码,jdbc连接数据库,然后sql弄起来。。

回答4:

网页链接

回答5:

就是你正常在类中写的 和在jsp中写的一样即可。

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