iOS之数据请求NSURLConnection

NSString *lcsUrl =
@"http://192.168.1.1:8080/lcsUrl";

//如果网址中有汉字，需要先转码

NSString *word = [NSString
stringWithUTF8String:"汉字"];//注意此处到字符串要求传一个c的字符串，没有@

NSString *finaUrl = [NSString
stringWithFormat:@"http://192.168.1.1:8080/lcsUrl= %@",word];

NSURL *url = [NSURL
URLWithString:lcsUrl];

NSMutableURLRequest *request = [[NSMutableURLRequest
alloc]
initWithURL:url];

request.HTTPMethod =
@"GET";

request.timeoutInterval =
60;

NSURLConnection *connection = [NSURLConnection
connectionWithRequest:request
delegate:self];

[connection
start];

请求出错

- (void)connection:(NSURLConnection *)connection didFailWithError:(NSError
*)error

{

NSLog(@"请求出错");

}

请求中接收到数据

- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData
*)data

{

[_data
appendData:data];

}

请求完毕

- (void)connectionDidFinishLoading:(NSURLConnection *)connection

{

NSString *str = [[NSString
alloc] initWithData:_data
encoding:NSUTF8StringEncoding];

//在这里处理你收到的数据

}