使用AFNetworking的多部分PUT请求 [英] multipart PUT request using AFNetworking

问题描述

在iOS上使用AFNetworking对多部分PUT请求进行编码的正确方法是什么？ （仍然是Objective-C，而不是Swift）

What's the correct way to code a multipart PUT request using AFNetworking on iOS? (still Objective-C, not Swift)

我看起来好像AFNetworking可以做多部分 POST 但不是 PUT ，有什么解决方案？

I looked and seems like AFNetworking can do multipart POST but not PUT, what's the solution for that?

谢谢

推荐答案

您可以使用 multipartFormRequestWithMethod 创建包含所需数据的多部分 PUT 请求。

You can use multipartFormRequestWithMethod to create a multipart PUT request with desired data.

例如，在AFNetworking v3.x中：

For example, in AFNetworking v3.x:

AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];

NSError *error;
NSURLRequest *request = [manager.requestSerializer multipartFormRequestWithMethod:@"PUT" URLString:@"http://example.com/rest/api/" parameters:@{@"foo" : @"bar"} constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {
    NSString *value = @"qux";
    NSData *data = [value dataUsingEncoding:NSUTF8StringEncoding];
    [formData appendPartWithFormData:data name:@"baz"];
} error:&error];

NSURLSessionDataTask *task = [manager dataTaskWithRequest:request uploadProgress:nil downloadProgress:nil completionHandler:^(NSURLResponse * _Nonnull response, id  _Nullable responseObject, NSError * _Nullable error) {
    if (error) {
        NSLog(@"%@", error);
        return;
    }

    // if you want to know what the statusCode was

    if ([response isKindOfClass:[NSHTTPURLResponse class]]) {
        NSInteger statusCode = [(NSHTTPURLResponse *)response statusCode];
        NSLog(@"statusCode: %ld", statusCode);
    }

    NSLog(@"%@", responseObject);
}];
[task resume];

---

如果是AFNetworking 2.x，你可以使用 AFHTTPRequestOperationManager ：

AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];

NSError *error;
NSURLRequest *request = [manager.requestSerializer multipartFormRequestWithMethod:@"PUT" URLString:@"http://example.com/rest/api/" parameters:@{@"foo" : @"bar"} constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {
    NSString *value = @"qux";
    NSData *data = [value dataUsingEncoding:NSUTF8StringEncoding];
    [formData appendPartWithFormData:data name:@"baz"];
} error:&error];

AFHTTPRequestOperation *operation = [manager HTTPRequestOperationWithRequest:request success:^(AFHTTPRequestOperation *operation, id responseObject) {
    NSLog(@"%@", responseObject);
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
    NSLog(@"%@", error);
}];

[manager.operationQueue addOperation:operation];

---

说明了如何创建这样的请求，值得注意的是服务器可能无法解析它们。值得注意的是，PHP解析多部分 POST 请求，但不解析多部分 PUT 请求。

---

Having illustrated how one could create such a request, it's worth noting that servers may not be able to parse them. Notably, PHP parses multipart POST requests, but not multipart PUT requests.

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