Created
May 14, 2014 07:46
-
-
Save hao-ji-xing/4e825815eb8e82f5ce0b to your computer and use it in GitHub Desktop.
QQ 冲掉缓存
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> | |
| <html xmlns="http://www.w3.org/1999/xhtml"> | |
| <head> | |
| <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> | |
| <title>更新文件--Ptlogin</title> | |
| <script> | |
| //判断浏览器类型 | |
| function browser_version(){ | |
| var ua = navigator.userAgent.toLowerCase(); | |
| return ua.match(/msie ([\d.]+)/)? 1 : | |
| ua.match(/firefox\/([\d.]+)/) ? 3 : | |
| ua.match(/chrome\/([\d.]+)/) ? 5 : | |
| ua.match(/opera.([\d.]+)/) ? 9 : | |
| ua.match(/version\/([\d.]+).*safari/) ? 7 : 1; | |
| } | |
| function cleanCache(f){ | |
| var xmlHttp = false; | |
| try { | |
| xmlHttp = new XMLHttpRequest(); | |
| } catch (trymicrosoft) { | |
| try { | |
| xmlHttp = new ActiveXObject("Msxml2.XMLHTTP"); | |
| } catch (othermicrosoft) { | |
| try { | |
| xmlHttp = new ActiveXObject("Microsoft.XMLHTTP"); | |
| } catch (failed) { | |
| xmlHttp = false; | |
| } | |
| } | |
| } | |
| if (!xmlHttp){ | |
| alert("请按F5刷新页面"); | |
| return; | |
| } | |
| xmlHttp.open('GET', f); | |
| var version=browser_version(); | |
| switch(version){ | |
| case 1://ie | |
| xmlHttp.setRequestHeader('If-Modified-Since', '0'); | |
| xmlHttp.setRequestHeader('Cache-Control', 'no-cache,no-store'); | |
| xmlHttp.setRequestHeader('Pragma', 'no-cache'); | |
| break; | |
| case 3://firfox 还发不出请求 | |
| xmlHttp.open('POST', f); | |
| xmlHttp.setRequestHeader('Cache-Control', 'no-cache,no-store'); | |
| break; | |
| case 5://chrome | |
| xmlHttp.setRequestHeader('Cache-Control', 'no-cache'); | |
| xmlHttp.setRequestHeader('Pragma', 'no-cache'); | |
| break | |
| case 7://safari | |
| xmlHttp.setRequestHeader('Cache-Control', 'max-age=0'); | |
| break; | |
| case 9://opera | |
| } | |
| xmlHttp.send(); | |
| } | |
| if (location.hash){ | |
| //var file = location.hash.substring(1,location.href.length); | |
| var file = location.href.substring(location.href.indexOf("#")+1, location.href.length); | |
| cleanCache(file); | |
| } | |
| </script> | |
| </head> | |
| <body> | |
| </body> | |
| </html> | |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment