我正在努力使用 Alamofire 将多张图片发送到后端。我在 NSMutableArray 中添加了 base64 图像字符串。现在,我正在尝试将这个字符串数组发送到服务器,但它不起作用。
我试过通过这种方式上传单张图片,效果非常好,但为什么不上传一组图片。
图像选取-
func imagePickerController(picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String : AnyObject])
{
if let pickedImage = info[UIImagePickerControllerOriginalImage] as? UIImage
{
imageView.contentMode = .ScaleAspectFit
imageView.image = pickedImage
slctdImage = pickedImage
}
dismissViewControllerAnimated(true, completion: nil)
uploadImage(slctdImage)
}
正在上传
func uploadImage( image:UIImage)
{
let pic :NSData = UIImageJPEGRepresentation(image, 0.5)!
let str = pic.base64EncodedStringWithOptions(NSDataBase64EncodingOptions(rawValue: 0))
//imageArray is declared as var imageArray = NSMutableArray()
imageArray.addObject(str)
//when imageArray count reaches 3 I send the images
if imageArray.count==3
{
let parameters = [
"task": "doNotification",
"image" : imageArray,
"select_category" : "exams",
"select_type" : "quarterly",
"class" : "1",
"repliable" : "0",
"select_students" : ["25","26"],
"select_group" : "Super Users",
"title" : "Hello",
"text" : "asdfsdf",
"date" : "2015-12-15",
"time" : "10:50 AM"]
Alamofire.request(.POST, UrlClass.baseUrl, parameters:parameters ) .response {
(request, response, data, error) in
// self.startParsing(data!)
print(response)
}
}
}
那么如何解决这个问题呢?请建议修改代码或其他一些方法。
最佳答案
使用以下代码将图片上传到服务器
let image = UIImage(named:"testImage")
Alamofire.upload(
.POST,
URL,
multipartFormData: { multipartFormData in
multipartFormData.appendBodyPart(data: UIImageJPEGRepresentation(image, 1)!, name: "imageFile",
fileName: "image.jpg", mimeType: "image/jpeg")
},
encodingCompletion: { encodingResult in
switch encodingResult {
case .Success(let upload, _, _):
upload.progress { bytesWritten, totalBytesWritten, totalBytesExpectedToWrite in
dispatch_async(dispatch_get_main_queue()) {
let percent = (Float(totalBytesWritten) / Float(totalBytesExpectedToWrite))
//progress(percent: percent)
print(percent)
}
}
upload.validate()
upload.responseJSON { response in
if response.result.error != nil {
// failure
} else {
// success
}
}
case .Failure(let encodingError):
print(encodingError)
//failure
}
}
)
}
对于多张图片
Alamofire.upload(
.POST,
urlString,
multipartFormData: { multipartFormData in
multipartFormData.appendBodyPart(data: "122222".dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false)!, name :"Id")
multipartFormData.appendBodyPart(data: "test1111".dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false)!, name :"sId")
multipartFormData.appendBodyPart(data: "", name :"ContractorIds")
multipartFormData.appendBodyPart(data:date.dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false)!, name :"ExpectedOn")
multipartFormData.appendBodyPart(data:date.dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false)!, name :"ExpiresOn")
multipartFormData.appendBodyPart(data: data.dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false)!, name :"Notes")
for image in images {
if let imageData = UIImageJPEGRepresentation(image, 0.05) {
multipartFormData.appendBodyPart(data: imageData, name: "file", fileName: "file.jpeg", mimeType: "image/jpeg")
}
}
},
关于ios - 使用 Alamofire 上传具有 base64String 编码的多个图像的数组,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/36396575/