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我被困在使用Alamofire分段上传多个图像的过程中。谁能帮我？提前致谢！！

有关更多详细信息，我正在使用以下代码创建图像数据的主体部分：

func imageArrayToNSData(array: [UIImage],boundary:String) -> NSData {
    let body = NSMutableData()
    var i = 0;
    for image in array{
        let filename = "image\(i).jpg"
        let data = UIImageJPEGRepresentation(image,0.8);
        let mimetype = "image/jpeg"
        let key = "product_images"
        body.appendData("--\(boundary)\r\n".dataUsingEncoding(NSUTF8StringEncoding)!)
        body.appendData("--\(boundary)\r\n".dataUsingEncoding(NSUTF8StringEncoding)!)
        body.appendData("Content-Disposition: form-data; name=\"\(key)\"; filename=\"\(filename)\"\r\n".dataUsingEncoding(NSUTF8StringEncoding)!)
        body.appendData("Content-Type: \(mimetype)\r\n\r\n".dataUsingEncoding(NSUTF8StringEncoding)!)
        body.appendData(data!)
        body.appendData("\r\n".dataUsingEncoding(NSUTF8StringEncoding)!)
        i += 1
    }

    body.appendData("--\(boundary)--\r\n".dataUsingEncoding(NSUTF8StringEncoding)!)
    return body
}

上传我正在使用：

        Alamofire.upload(.POST, EDIT_PRODUCT_URL, headers: ["Accept": "application/json","Content-Type":"application/json"], multipartFormData: { (formData) in

        if productImages.count>0{
            let boundary = generateBoundaryString()
            let imageData = CommonClass.imageArrayToNSData(productImages,boundary: boundary)
            formData.appendBodyPart(data: imageData, name: "product_images", mimeType: …