JavaScript代码

 

Code var Storage = new Class({       initialize: function(name){   this.name = name || 'storage';   if (window.ie) {   this.storage = new Element('span').setStyle("behavior","url('#default#userData')").injectInside(document.body);           } else if (globalStorage) {   this.storage = globalStorage[location.hostname];           }       },       get: function(key) {   if (window.ie) {   this.storage.load('storage');   return Json.evaluate('(' + this.storage.getAttribute(key) + ')');           } else if (this.storage) {   var data = Json.evaluate('(' + this.storage.getItem(this.name) + ')');   return (data) ? data[key] : null;           } else {   return false;           }       },       set: function(key, value) {   if (window.ie) {   this.storage.setAttribute(key, Json.toString(value));   this.storage.save('storage');           } else if (this.storage) {   var data = Json.evaluate('(' + this.storage.getItem(this.name) + ')');   if (!data) data = {};               data[key] = value;   this.storage.setItem(this.name, Json.toString(data));           } else {   return false;           }   return true;       },       clear: function(key) {   if (window.ie) {   this.storage.removeAttribute(key);   this.storage.save('storage');           } else if (this.storage) {   var data = Json.evaluate('(' + this.storage.getItem(this.name) + ')');   if (data) data[key] = undefined;   this.storage.setItem(this.name, Json.toString(data));           } else {   return false;           }   return true;       }   });