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上传图像从iOS应用程序到PHP – 不能完全正确 – 我错过了什么?

首先,我知道这个问题已经被问了上千次了。 我又问了一遍,因为我试过其他例子中的解决scheme,他们不为我工作,我不知道为什么。 每个人似乎都有一个稍微不同的方法。 NSData *imageData = UIImagePNGRepresentation(form.image); NSURL *url = [NSURL URLWithString:@"myscript.php"]; NSMutableString *postParams = [[NSMutableString alloc] initWithFormat:@"&image=%@", imageData]]; NSData *postData = [postParams dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES]; NSString *postLength = [[NSString alloc] initWithFormat:@"%d", [postData length]]; NSMutableURLRequest *connectRequest = [[NSMutableURLRequest alloc] init]; [connectRequest setURL:url]; [connectRequest setHTTPMethod:@"POST"]; [connectRequest setValue:postLength forHTTPHeaderField:@"Content-Length"]; [connectRequest setValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"Content-Type"]; //[connectRequest setValue:@"image/png" forHTTPHeaderField:@"Content-Type"]; [connectRequest setHTTPBody:postData]; NSData […]