Question

我试图重构我在Phonegap Javascript中使用的一些代码，这些代码正在将音频文件上传到IOS Objective C而我有点迷失。

JavaScript中的代码如下：

function uploadToClypit(file){
    console.log(file);

    var options = new FileUploadOptions();
    options.name = file.fullPath.substr(file.fullPath.lastIndexOf('/')+ 1);
    options.audioFile = file.nativeURL;
    options.fileName = file.nativeURL;
    options.mimeType = "audio/wav";
    options.headers = {
        Connection: "close"
    }
    options.chunkedMode = false;
    console.log(options);

    var ft = new FileTransfer();
    console.log(file.nativeURL);
    ft.upload(file.nativeURL, encodeURI("http://upload.clyp.it/upload"), win, failUpload, options);

}

响应的处理如下：

var win = function(r){
    var jsontext = r.response;
    var json = JSON.parse(jsontext);
    console.log(json);

}

所以在IOS中我尝试创建HTTP Post请求，将音频文件附加到HTTP Body，发送一些其他文本参数然后处理响应。

到目前为止我已经完成了这件事。

设置我的控制器以实现
设置NSMutableData变量* _responseData以保存响应

我通过执行以下操作来创建HTTP请求：

    NSMutableURLRequest *request = [[NSMutableURLRequest alloc]
                                    initWithURL:[NSURL URLWithString:[NSString stringWithFormat:@"http://upload.clyp.it/upload"]]];

    [request setHTTPMethod:@"POST"];

    NSString *stringBoundary = @"0xKhTmLbOuNdArY---This_Is_ThE_BoUnDaRyy---pqo";
    NSString *headerBoundary = [NSString stringWithFormat:@"multipart/form-data; boundary=%@",stringBoundary];
    [request addValue:headerBoundary forHTTPHeaderField:@"Content-Type"];

     NSMutableData *postBody = [NSMutableData data];

    [postBody appendData:[[NSString stringWithFormat:@"--%@\r\n", stringBoundary] dataUsingEncoding:NSUTF8StringEncoding]];

    [postBody appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"file upload\"; filename=\"uploadaudio.mp3\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
    [postBody appendData:[@"Content-Type: audio/m4a\r\n" dataUsingEncoding:NSUTF8StringEncoding]];

    NSIndexPath *cellIndexPath = [self.tableView indexPathForCell:cell];
    NSFileManager *fileManager = [NSFileManager defaultManager];
    NSString *documentsPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)objectAtIndex:0];




    UITableViewCell *cell = [self.tableView cellForRowAtIndexPath:cellIndexPath];
    ICIRecordingCell *c = (ICIRecordingCell *)cell;
    NSString *fileName = c.title.text;
    NSString *filePath = [documentsPath stringByAppendingPathComponent:fileName];

    NSData *audioData;

    audioData = [[NSData alloc] initWithContentsOfFile:filePath];
    [postBody appendData:audioData];
     [postBody appendData:[@"\r\n" dataUsingEncoding:NSUTF8StringEncoding]];

     [postBody appendData:[[NSString stringWithFormat:@"--%@--\r\n", stringBoundary] dataUsingEncoding:NSUTF8StringEncoding]];


    [request setHTTPBody:postBody];
    [[NSURLConnection alloc] initWithRequest:request delegate:self];

然后我尝试设置委托方法来处理响应：

    #pragma mark NSURLConnection Delegate Methods

- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response {
    // A response has been received, this is where we initialize the instance var you created
    // so that we can append data to it in the didReceiveData method
    // Furthermore, this method is called each time there is a redirect so reinitializing it
    // also serves to clear it
    _responseData = [[NSMutableData alloc] init];
}

- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data {
    // Append the new data to the instance variable you declared
    [_responseData appendData:data];
}

- (NSCachedURLResponse *)connection:(NSURLConnection *)connection
                  willCacheResponse:(NSCachedURLResponse*)cachedResponse {
    // Return nil to indicate not necessary to store a cached response for this connection
    return nil;
}

- (void)connectionDidFinishLoading:(NSURLConnection *)connection {
    // The request is complete and data has been received
    // You can parse the stuff in your instance variable now
    NSString *d = (NSString *)_responseData;
    NSLog(d);

}

- (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error {
    // The request has failed for some reason!
    // Check the error var
}

当我查看_responseData中返回的内容时，我不确定该怎么做＆gt;

打印自我＆gt; _responseData的描述：＆lt; 7b224d65 73736167 65223a22 416e2065 72726f72 20686173 206f6363 75727265 642e227d＆gt;

我也不确定我是否正确设置了请求 - 我刚刚借用了我在StackOverflow上找到的代码而未完全理解它。

任何指针方向都超过欢迎

IOS HTTP Post创建和处理响应

0 个答案: