IOS URLRequest

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