iOS: NSURLConnection代碼實例

NSString *URLGetString(NSString* URL, NSStringEncoding encoding)
{
    NSData *data = nil;
    @autoreleasepool {
        NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init];
        [request setURL: [NSURL URLWithString:URL]];
        [request setHTTPMethod:@"GET"];
        data = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];
    }
    if (data) {
        return [[NSString alloc] initWithData:data encoding:encoding];
    }
    return nil;
}