我对ion在iOs中收到的回复有疑问。 我不知道是不是因为有很多关于WebService的信息,但是Json的反应并不好。我收到一个答案,但是当我用变量NSMutableData * d检查数据字符串时,它是不完整的,而在*响应中,它不能用JSONObjectWithData初始化。
NSLog(@"Request: %@", bytes);
NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:10.0];
NSData *requestData = [NSData dataWithBytes:[bytes UTF8String] length:[bytes length]];
[request setHTTPMethod:@"POST"];
[request setValue:@"application/json" forHTTPHeaderField:@"Accept"];
[request setValue:@"application/json" forHTTPHeaderField:@"Content-Type"];
[request setValue:[NSString stringWithFormat:@"%d", [requestData length]] forHTTPHeaderField:@"Content-Length"];
[request setHTTPBody: requestData];
[NSURLConnection connectionWithRequest:request delegate:self];
答案是:
- (void) connection:(NSURLConnection *)connection didReceiveData:(NSData *)data
{
NSMutableData *d = [NSMutableData data];
[d appendData:data];
NSString *a = [[NSString alloc] initWithData:d encoding:NSASCIIStringEncoding];
NSError *error;
NSDictionary *response = [NSJSONSerialization JSONObjectWithData:d options:kNilOptions error:&error];
}
答案 0 :(得分:1)
只要收到一大块数据,就会调用saveAssociated
委托方法。我们无法保证您在第一次通话时会收到完整的回复。
正确的方法是收集connection:didReceiveData:
中的数据,然后在connection:didReceiveData:
处理
您的代码应如下所示:
connectionDidFinishLoading: