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我目前正在上传文件通过HTTP Post,使用[body appendData: [NSData dataWithData:data]];
其中数据是我的文件的NSMutableData表示。NSMutableURLRequest:上传文件使用setHTTPBodyStream而不是setHTTPBody
// Set content type to be form data
NSString *boundary = [NSString stringWithString:@"---------------------------14737809831466499882746641449"];
NSString *contentType = [NSString stringWithFormat:@"multipart/form-data; boundary=%@", boundary];
[request addValue:contentType forHTTPHeaderField:@"Content-Type"];
// Set content type to be form data
NSString *boundary = [NSString stringWithString:@"---------------------------14737809831466499882746641449"];
NSString *contentType = [NSString stringWithFormat:@"multipart/form-data; boundary=%@", boundary];
[request addValue:contentType forHTTPHeaderField:@"Content-Type"];
// Set up web request with HTTP post headers for 1 form field which is the image
NSMutableData *body = [NSMutableData data];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithString:@"Content-Disposition: form-data; name=\"userfile\"; filename=\".jpg\"\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithString:@"Content-Type: application/octet-stream\r\n\r\n"] dataUsingEncoding: NSUTF8StringEncoding]];
[body appendData: [NSData dataWithData:data]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding: NSUTF8StringEncoding]];
// Set the body
[request setHTTPBody: body];
由于内存限制,我已阅读,最好使用setHTTPBodyStream
并通过在磁盘上的文件的位置上传 - 如使用这种方法的内容处置我将如何去设置其他属性?