HttpManager

isExistData == true

isCache == true

DiskCache.writeData()dealWithData()returnValue(value)

HTTPManager

id delegate

func request()func returnValue(value:AnyObject)

time over

Controller

RequestEntityi *requestEntity

func returnValue(value)

DiskCache

func writeData()func readData()func removeData()

request()

DiskCache.removeData()

RequestEntity

isExistData:boolisCache:boolparamatersurltime

DiskCache.readData()dealWithData()returnValue(value)