01.NSString *post = @"username=win&password=win123";
02.NSData *postData = [post dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES];
03.
04.NSString *postLength = [NSString stringWithFormat:@"%d", [postData length]];
05.
06.NSMutableURLRequest *request = [[[NSMutableURLRequest alloc] init] autorelease];
08.
09.[request setHTTPMethod:@"POST"];
10.[request setValue:postLength forHTTPHeaderField:@"Content-Length"];
11.[request setValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"Content-Type"];
12. [request setHTTPBody:postData];
13.
14.NSURLResponse *response;
15.NSError *err;
16.NSData *responseData = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:&err];
ช่วยกันสนับสนุนรักษาเว็บไซต์ความรู้แห่งนี้ไว้ด้วยการสนับสนุน 
