JSP分页显示数据库中的表格内容

2025年03月23日 07:51
有3个网友回答
网友(1):

处理方式:
一:首先sql语句,使用not in的方式处理,
在dao类里写一个方法
public List<> getAllByPage(int pageSize,pageNum){
......
String sql="select top"+pageSize +" * from 表名x where 字段A not in (select top "+pageSize*(pageNum-1)+" 字段A from 表名x)";
.......
rerun list;
}
其中,pageSize是页面要显示的条数,pageNum是要显示的页码,sql语句是固定的,返回一个list对象。
二:在Biz里写一个方法,调用Dao里的getAllByPage方法,传入两个参数,返回list结果集。
三:在jsp页面以url传参的方式进行页面处理和数据的显示。
使用request对象获取传入的值,进行强制类型转作为参数,传入到Biz业务类的方法中处理,返回list结果集,使用表达式的方式在页面中进行显示。

网友(2):

public List getDataByPage(int curpage, int pagesize, Class clazz) {
Session session = HibernateSessionFactory.getSession();
List list = new ArrayList();
try {
list = session.createQuery("from " + clazz.getName() + " as pojo")
.setFirstResult((curpage - 1) * pagesize).setMaxResults(
pagesize).list();
return list;
} catch (Exception e) {
logger.error("get data by page",e);
return null;
}
}
这是关键代码,curpage是当前的页数,pagesize是页大小,也就是显示的行数

网友(3):

js脚本能作到嘛?可以不用Hibernate,如果只是少量数据,而不是来自数据库的数据。

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