/// <summary>根据指定的url下载并返回文本数据</summary>
/// <param name="det">获取字节流编码</param>
/// <param name="surl">指定的url</param>
/// <param name="cmode">页面编码获取模式,=0：自动,=1：每页自动,=2：自定义</param>
/// <param name="pencoding">返回文本编码</param>
/// <param name="pcoding">返回文本编码文本</param>
/// <param name="errs">下载失败则返回错误信息</param>
/// <returns>根据指定的url下载并返回文本数据</returns>
public static string GetHttp(ByteEncode det, string surl, int cmode, ref Encoding pencoding, ref string pcoding, ref string errs)
{
try
{
string s = "";
WebClient wclient = new WebClient();
wclient.Credentials = CredentialCache.DefaultCredentials;
byte[] bytes = wclient.DownloadData(Often.UrlEn(surl));
if (cmode == 0)
{
s = GetEncoding(det, bytes, ref pcoding).GetString(bytes);
}
else if (cmode == 1)
{
s = GetEncoding(det, bytes, ref pcoding).GetString(bytes);
}
else if (cmode == 2)
{
s = Encoding.GetEncoding(pcoding).GetString(bytes);
}
wclient.Dispose();
return(s);
}
catch (Exception ex)
{
errs = ex.Message;
return("");
}
}
/// <summary>根据指定的解码模式解码指定的字符串</summary>
/// <param name="s">指定的字符串</param>
/// <param name="cMode">解码模式,=0：不解码,=1：Html解码,=2：Url解码,=3：Escape解码,=4：EURI解码,=11：Html编码,=12：Url编码,=13：Escape编码,=14：EURI编码</param>
/// <returns>根据指定的解码模式解码指定的字符串</returns>
public static string GetUnCode(string s, int cMode)
{
if (cMode == 1)
{
return(Often.HtmlDecode(s));
}
else if (cMode == 2)
{
return(Often.UrlDes(s));
}
else if (cMode == 3)
{
return(Often.Unescape(s));
}
else if (cMode == 4)
{
return(Often.DecodeURI(s));
}
else if (cMode == 11)
{
return(Often.HtmlEncode(s));
}
else if (cMode == 12)
{
return(Often.UrlEn(s));
}
else if (cMode == 13)
{
return(Often.Escape(s));
}
else if (cMode == 14)
{
return(Often.EncodeURI(s));
}
return(s);
}
