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/// <summary>
/// Retrieve currency rates from an external site to be sure they are up to date.
/// In this case just checking the one currency (Australian Dollar) so no need to dynamically parse the site.
/// </summary>
/// <returns>currency rates or msg indicating an error</returns>
private String getCurrencyRates()
{
string strURL = @"http://www.x-rates.com/d/JPY/table.html";
HttpWebRequest txtRequest = (HttpWebRequest)WebRequest.Create(strURL);
txtRequest.Method = "GET";
txtRequest.ContentType = "application/x-www-form-urlencoded";
string response;
using (StreamReader streamReader = new StreamReader(txtRequest.GetResponse().GetResponseStream()))
{
response = streamReader.ReadToEnd();
if (response.IndexOf("Australian Dollar") > 0)
{
//parse the returned page for the two values of the currency rate based on the existing design
int ind_jpy = (response.IndexOf("/d/AUD/JPY/graph120.html") + 39);
int ind_aud = (response.IndexOf("/d/JPY/AUD/graph120.html") + 39);
String jpy_aud = response.Substring(ind_jpy, (response.IndexOf("</a>",ind_jpy) - ind_jpy) );
String aud_jpy = response.Substring(ind_aud, (response.IndexOf("</a>", ind_aud) - ind_aud));
Session["curr_rate"] = "set";
Session["JPY"] = jpy_aud;
Session["AUD"] = aud_jpy;
return aud_jpy + " / " + jpy_aud;
}
//else present msg to user that unable to obtain currency rates
}
return "";
}
/me пошел размещать вакансии
Это неявная ссылка на предыдущий говнокод.
Тема та же: парсинг вместо сервиса