var saveSelectColor = { 'Name': 'SelcetColor', 'Color': 'theme-white' } // 判断用户是否已有自己选择的模板风格 if (storageLoad('SelcetColor')) { $('body').attr('class', storageLoad('SelcetColor').Color) } else { storageSave(saveSelectColor); $('body').attr('class', 'theme-white') } // 本地缓存 function storageSave(objectData) { localStorage.setItem(objectData.Name, JSON.stringify(objectData)); } function storageLoad(objectName) { if (localStorage.getItem(objectName)) { return JSON.parse(localStorage.getItem(objectName)) } else { return false } }