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我想上傳一個png文件到s3,然後將s3文件url存儲爲Firebase json格式。 s3部分工作正常,但Firebase函數以某種方式進入彙編代碼並且不運行。將文件上傳到s3然後將URL存儲在Firebase中 - Swift 2.2
,我得到的消息是:
火力地堡被編譯優化 - 步進可能行爲古怪;變量可能不可用。
func uploadToS3(writePath: NSURL) {
let ext = "png"
let uploadRequest = AWSS3TransferManagerUploadRequest()
uploadRequest.body = writePath
uploadRequest.key = NSProcessInfo.processInfo().globallyUniqueString + "." + ext
uploadRequest.bucket = S3BucketName
self.s3URL = NSURL(string: "http://s3.amazonaws.com/\(S3BucketName)/\(uploadRequest.key!)")!
uploadRequest.contentType = "image/" + ext
let transferManager = AWSS3TransferManager.defaultS3TransferManager()
transferManager.upload(uploadRequest).continueWithBlock { (task) -> AnyObject! in
if let error = task.error {
print("Upload failed ❌ (\(error))")
}
if let exception = task.exception {
print("Upload failed ❌ (\(exception))")
}
if task.result != nil {
print("Uploaded to:\n\(self.s3URL)")
updateFirebase(self.s3URL) **this doesn't run**
}
else {
print("Unexpected empty result.")
}
return nil
}
}
func updateFirebase(url: NSURL){
let ref = self.userRef.childByAppendingPath(self.uid).childByAppendingPath("photos")
ref.updateChildValues([url.absoluteString: true])
print("updated firebase")
}
感謝任何幫助!
TransferManager塊中的任何內容是否被調用?即在該塊中添加一條打印語句並查看它是否到達那裏。另外,是否有某種期望的返回值(返回nil?)。最後,**這不運行**是什麼意思?它永遠不會到達那條線,或者它在*那條線上崩潰* – Jay
它被調用,「上傳到:\ n \(self.s3URL)」被打印出來。 updateFirebase(url:NSURL)方法不運行,而是「Firebase編譯爲優化 - 步進可能表現異常;變量可能不可用」。打印出來在控制檯 即讓ref = self.userRef .......... 和ref.updateChildValues ........... –