相关疑难解决方法(0)

我用这个把头撞在墙上.我想UIImage从库中选择并将其上传到服务器,就像可以做到的那样<form action="http://blabla.request.cfm" method="post" enctype="multipart/form-data">.而不是成功我得到了这个错误:

error = Error Domain = NSCocoaErrorDomain Code = 3840"操作无法完成.(Cocoa error 3840.)"(JSON文本不是以数组或对象开头,而是选项允许未设置片段.)UserInfo = 0x145e5d90 {NSDebugDescription = JSON文本不以数组或对象和选项开头,以允许未设置片段.}

我试过这种方式:

-(void)uploadPhoto{
NSString *path = @"http://blabla.request.cfm";
NSData *imageData = UIImageJPEGRepresentation(self.imageView.image, 0.9);
int priv = self.isPrivate ? 1 : 0;
NSDictionary *parameters = @{@"username": self.username, @"password" : self.password, @"private" : @(priv), @"photo" : imageData};
AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
[manager POST:path parameters:parameters constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {
    if(self.imageView.image){
        [formData appendPartWithFileData:imageData name:@"avatar" fileName:@"avatar.jpg" mimeType:@"image/jpeg"];
    }
} success:^(AFHTTPRequestOperation *operation, id responseObject) …