MAC解析HTML

- (void)fetchOneHtmlwithUrl:(NSURL *)url withCode:(NSString *)code withValueIn:(double)valueIn withMoneyIn:(double)moneyIn
{
    NSError *error;
    NSData *dataGB2312 = [[NSData alloc] initWithContentsOfURL:url options:NSDataReadingMappedIfSafe error:&error];
    NSStringEncoding gb2312Encoding =CFStringConvertEncodingToNSStringEncoding(kCFStringEncodingGB_18030_2000);
    NSString *htmlGB2312 = [[NSString alloc] initWithData:dataGB2312 encoding:gb2312Encoding];
    NSString *utf8HtmlStr = [htmlGB2312 stringByReplacingOccurrencesOfString:@"charset=gb2312"
                                                               withString:@"charset=utf-8"];
    NSData *dataUTF8 = [utf8HtmlStr dataUsingEncoding:NSUTF8StringEncoding];
    
    ParseResultBean *bean = [ParseResultBean alloc];
    TFHpple *xpathParser = [[TFHpple alloc] initWithHTMLData:dataUTF8];
    
    NSArray *eArrayCode  = [xpathParser searchWithXPathQuery:@"/html/body/div[1]/div[7]/div[2]/div[1]/div[1]/div[1]/span[2]"];
    TFHppleElement *eCode = [eArrayCode objectAtIndex:0];
    bean->code = [[eCode attributes] objectForKey:@"title"];
    
    [allRows addObject:bean];
}