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我想上传一个png文件到s3,然后将s3文件url存储为Firebase json格式。 s3部分工作正常,但Firebase函数以某种方式进入汇编代码并且不运行。将文件上传到s3然后将URL存储在Firebase中 - Swift 2.2
,我得到的消息是:
火力地堡被编译优化 - 步进可能行为古怪;变量可能不可用。
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")
}
感谢任何帮助!
TransferManager块中的任何内容是否被调用?即在该块中添加一条打印语句并查看它是否到达那里。另外,是否有某种期望的返回值(返回nil?)。最后,**这不运行**是什么意思?它永远不会到达那条线,或者它在*那条线上崩溃* – Jay
它被调用,“上传到:\ n \(self.s3URL)”被打印出来。 updateFirebase(url:NSURL)方法不运行,而是“Firebase编译为优化 - 步进可能表现异常;变量可能不可用”。打印出来在控制台 即让ref = self.userRef .......... 和ref.updateChildValues ........... –