缓存模块

清除缓存

		function fnClearCache() {
			api.showProgress({
				title : "清除缓存中...",
			});
			api.clearCache(function() {
				setTimeout(function() {
					api.hideProgress();
					fnGetCacheSize();
				}, 500)
			});
		}

获取缓存

function fnGetCacheSize() {
			api.getCacheSize(function(ret) {
				if (ret) {
					var size = parseInt(ret.size / 1024 / 1024 * 100) / 100 + " MB";
					var cacheSize = $api.byId("cacheSize");
					cacheSize.innerHTML = size;
				}else{
					var cacheSize = $api.byId("cacheSize");
					cacheSize.innerHTML = "0MB";
				
				}
			});
		}