自己封装缓存接口数据的类

#importtypedefvoid(^SuccessBlock)(NSDictionary*returnDic,NSString*msg);typedefvoid(^FailureBlock)(NSString*errorInfo);typedefvoid(^LoadProgress)(floatprogress);@interfaceCBCacheHttpRequet:NSObject/***Get请求不对数据进行缓存**@paramurlStrurl*@paramsuccess成功的回调*@paramfa