SYN GET:
NSURL *url = [NSURL URLWithString:@"http://xx?yy=zz"];
NSURLRequest *request = [[NSURLRequest alloc]initWithURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:10];
NSData *received = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];
NSString *str = [[NSStringalloc]initWithData:received encoding:NSUTF8StringEncoding];
self.textView.text = str;
SYN POST:
NSURL *url = [NSURLURLWithString:@"xx"];
NSMutableURLRequest *request = [[NSMutableURLRequestalloc]initWithURL:url cachePolicy:NSURLRequestUseProtocolCachePolicytimeoutInterval:10];
[request setHTTPMethod:@"POST"];
NSString *str = @"yy=zz";
NSData *data = [str dataUsingEncoding:NSUTF8StringEncoding];
[request setHTTPBody:data];
NSData *received = [NSURLConnectionsendSynchronousRequest:request returningResponse:nilerror:nil];
NSString *str1 = [[NSStringalloc]initWithData:received encoding:NSUTF8StringEncoding];
self.textView.text = str1;
ASYN GET:
NSURL *url = [NSURLURLWithString:@"http://xx?yy=zz"];
NSURLRequest *request = [[NSURLRequestalloc]initWithURL:url cachePolicy:NSURLRequestUseProtocolCachePolicytimeoutInterval:10];
NSURLConnection *connection = [[NSURLConnection alloc]initWithRequest:request delegate:self];
ASYN POST:
NSURL *url = [NSURLURLWithString:@"http://xx"];
NSMutableURLRequest *request = [[NSMutableURLRequestalloc]initWithURL:url cachePolicy:NSURLRequestUseProtocolCachePolicytimeoutInterval:10];
[request setHTTPMethod:@"POST"];
NSString *str = @"yy=zz";
NSData *data = [str dataUsingEncoding:NSUTF8StringEncoding];
[request setHTTPBody:data];
NSURLConnection *connection = [[NSURLConnection alloc]initWithRequest:request delegate:self];
参考:http://blog.csdn.net/liulala16/article/details/8271673