摘要:
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> <head> <!-- 设定页面内容不缓存 --> <meta http-equiv="pragma" content="no-cache" 阅读全文
摘要:
jsp页面禁止缓存设置1.客户端缓存要在<head>中加入类似如下内容: <META HTTP-EQUIV="pragma" CONTENT="no-cache"> <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate"> <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT" 阅读全文
摘要:
-- Oracle 分页 -- 20 = (currentPage-1) * pageSize + pageSize 每页显示几条-- 10 = (currentPage-1) * pageSize 当前页数SELECT*FROM (SELECT o.*, ROWNUM rn FROM tb_phone o WHERE ROWNUM 10 --mysql分页 select * from tableName where 条件 limit起始位置(0开始算), 每页显示条数; eg、SELECT * FROM tb_phone limit 2, 4--起始位置写的是2... 阅读全文