从NSURLRequest返回一个字符串

Question

有人能帮我从iPhone应用程序上获取NSURLRequest返回的字符串吗？我必须将一些用户凭据发送到URL,它将返回一个客户ID号.这就是我需要作为字符串引入的内容,我不习惯使用服务器或HTTP请求,所以任何帮助都会很棒.我已经阅读过关于它的Apple Docs,并且在这方面有点迷失.

Answer 1

这是标准模式异步下载器:

在.h文件中:

NSMutableData *responseData;

和.m文件:

-(void) execute {
    NSString *urlString = @"http://www.google.com";
    responseData = [[NSMutableData data] retain];
    NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:urlString]];
    [[NSURLConnection alloc] initWithRequest:request delegate:self];
}

-(void) connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response{
    [responseData setLength:0];
}

-(void) connection:(NSURLConnection *)connection didReceiveData:(NSData *)data{
    [responseData appendData:data];
}

-(void) connectionDidFinishLoading:(NSURLConnection *)connection{
    [connection release];
    NSString *data = [[[NSString alloc] initWithData:responseData encoding:NSASCIIStringEncoding] autorelease];
    NSLog(@"%@", data);
    [responseData release];
}

这将下载Google并打印内容.