我们如何在Swift中上传嵌套JSON参数的多部分表单数据？ [英] How can we upload multipart form data with nested JSON parameters in Swift?

问题描述

我需要将图像上传到服务器端点，其结构必须如下：

I need to upload an image to the server endpoint where the structure has to be as following:

 { "image": { "file": imageData }, "access_token": access_token }

我该如何发送这样的请求使用NSURLSession（或者甚至是Alamofire或AFNetworking）？

How can I send such a request using NSURLSession (or maybe even Alamofire or AFNetworking)?

推荐答案

在https://stackoverflow.com/a/11092052/3871476

其他人寻找解决方案。

let manager = AFHTTPRequestOperationManager(baseURL: NSURL(string: url))
let request = manager.POST(url, parameters: param, constructingBodyWithBlock: {(formData: AFMultipartFormData!) -> Void in
    formData.appendPartWithFileData(imgdata, name: "image[file]", fileName: "photo.jpeg", mimeType: "image/jpeg")
    }, success: {(operation: AFHTTPRequestOperation!, responseObject: AnyObject!) -> Void in
        //Success
    }, failure: {(operation: AFHTTPRequestOperation!, error: NSError!) -> Void in
        //Failure
        println(error.localizedDescription)
})

诀窍是使用image [file]参数。

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