用于iOS的AWSS3TransferUtility不工作(但AWSS3TransferManager不工作)
我以前使用AWSS3TransferManager将图像上传到我的s3存储桶中,一切都很正常,但我决定后台上传是必要的,所以决定切换到AWSS3TransferuitilityManager。我已经完全按照指南中所示实现了代码,但上载从未启动: 实例化AWS代码(应用程序内委托-didFinishLaunching…): 设置临时目录以将图像保存到以供上载:用于iOS的AWSS3TransferUtility不工作(但AWSS3TransferManager不工作),ios,swift,amazon-s3,aws-sdk,Ios,Swift,Amazon S3,Aws Sdk,我以前使用AWSS3TransferManager将图像上传到我的s3存储桶中,一切都很正常,但我决定后台上传是必要的,所以决定切换到AWSS3TransferuitilityManager。我已经完全按照指南中所示实现了代码,但上载从未启动: 实例化AWS代码(应用程序内委托-didFinishLaunching…): 设置临时目录以将图像保存到以供上载: //Set up and potentially clear temporary image directory befo
//Set up and potentially clear temporary image directory before uploading
let path = (NSTemporaryDirectory() as NSString).stringByAppendingPathComponent("image.png")
let thumbnailUrl = NSURL(fileURLWithPath: path)
var error: NSError? = nil
if NSFileManager.defaultManager().fileExistsAtPath(thumbnailUrl.path!) {
do {
try NSFileManager.defaultManager().removeItemAtPath(thumbnailUrl.path!)
print("Successfully cleared temporary directory")
} catch let fileError as NSError {
error = fileError
print("Error clearing temporary image directory")
}
}
设置传输实用程序表达式:
let expression:AWSS3TransferUtilityUploadExpression = AWSS3TransferUtilityUploadExpression()
进度更新代码:
//-------------------------
//Progress Bar Update
expression.progressBlock = { (task: AWSS3TransferUtilityTask,progress: NSProgress) -> Void in
dispatch_async(dispatch_get_main_queue(),{
print("Image upload progress update: \(progress.fractionCompleted)")
})
}
将ACL标记为公共
//Mark ACL as public
expression.setValue("public-read", forRequestParameter: "x-amz-acl")
expression.setValue("public-read", forRequestHeader: "x-amz-acl" )
完成处理程序代码:
//-------------------------
//Completion handler
self.imageUploadCompletionHandler = { (task:AWSS3TransferUtilityUploadTask, error:NSError?) -> Void in
print("Image upload complete")
dispatch_async(dispatch_get_main_queue(), {
if(error != nil){
print("Failure uploading thumbnail")
}else{
print("Success uploading thumbnail")
}
})
}
上传:
//--------------------------
//Upload Thumbnail
AWSS3TransferUtility.defaultS3TransferUtility().uploadFile(thumbnailUrl, bucket: "exampleBucket", key: "exampleKey", contentType: "image/jpeg", expression: expression, completionHander: self.imageUploadCompletionHandler).continueWithBlock({ (task:AWSTask) -> AnyObject? in
if(task.error != nil){
print("Error uploading thumbnail: \(task.error)")
s3RequestSuccessful = false
}
if(task.exception != nil){
print("Exception uploading thumbnail: \(task.exception)")
s3RequestSuccessful = false
}
if(task.result != nil){
print("Starting upload...")
}
return nil
})
所以我的bucket在US-West-1,identity pool在US-East-1,我知道有一些帖子是关于确保bucket和identity pool在同一个区域的,但我已经实现了以下几行:
let configuration = AWSServiceConfiguration(region: AWSRegionType.USWest1, credentialsProvider: credentialsProvider)
我得到的行为是从不调用完成处理程序和进度块代码。我错过了什么?再一次,使用AWSS3TransferManager,上传在同一个存储桶上工作得非常完美。通过反复试验和AWS论坛的一些灵感,找到了答案。显然,AWSS3TransferuitilityManager不能处理名称中有特殊字符的存储桶(在我的例子中是破折号)。令人沮丧,因为这不是AWSS3TransferManager的问题。尝试了您的代码,对我来说似乎工作正常
task.exception != nil
但不起作用,所以把它去掉
task.exception != nil