Created
August 17, 2011 08:10
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Clint Side Caching
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| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> | |
| <html> | |
| <head> | |
| <title>Clint Side Caching</title> | |
| </head> | |
| <body> | |
| <div id="iframe"></div> | |
| </body> | |
| <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.min.js"></script> | |
| <script> | |
| // Cache Leeren | |
| // window['name'] = ''; | |
| var cacheObj = {"array_elm1":"content_array_elm1", | |
| "array_elm2":"content_array_elm2", | |
| "array_elm3":"content_array_elm3", | |
| "array_elm4":"content_array_elm4" | |
| }; | |
| //var cacheObj = 'Chache me'; | |
| // Timestamp erzeugen | |
| var timeStamp = new Date(); | |
| // WindowCache einschalten | |
| var windowCache = true; | |
| if(windowCache == true){ | |
| // WindowCache Optionen | |
| var windowCacheLifetime = 36000; | |
| var windowCacheName = 'myCache'; | |
| // WindowCache abrufen | |
| cacheData = jQuery.parseJSON(window.name); | |
| console.debug(cacheData); | |
| /* | |
| * Prüfen ob bereits Daten im WindowCache vorhanden sind. | |
| * Wenn Daten im WindowCache vorhanden sind, werden diese in enstprechende | |
| * Variablen zwischen gespeichert | |
| */ | |
| if(cacheData){ | |
| cacheData = cacheData.windowCache[windowCacheName]; | |
| if(!cacheData) cacheData = false; | |
| data = cacheData.cacheData; | |
| cacheTimeStamp = parseInt(cacheData.timeStamp); | |
| nowTimeStamp = parseInt(timeStamp.getTime()); | |
| lifeTime = cacheData.LifeTime; | |
| } | |
| /* | |
| * Prüfen ob bereits Daten im WindowCache vorhanden sind und ob die Cache | |
| * Lifetime abglaufen ist | |
| */ | |
| if(!cacheData || nowTimeStamp - cacheTimeStamp > windowCacheLifetime){ | |
| // json-String im window.name Objekt ablegen | |
| window['name'] = '{"windowCache":{"'+windowCacheName+'":{"lifeTime":"'+windowCacheLifetime+'","timeStamp":"'+timeStamp.getTime()+'","cacheData":'+JSON.stringify(cacheObj)+'}}}' ; | |
| } | |
| } | |
| </script> | |
| </html> |
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