public static async System.Threading.Tasks.Task <string> GetHtml(this HttpClient httpClient, string url)
{
var content = string.Empty;
var data = await httpClient.GetByteArrayAsync(url);
var ide = new IdentifyEncoding();
var encodingName = ide.GetEncodingString(IdentifyEncoding.ToSByteArray(data));
var encoding = System.Text.Encoding.GetEncoding(encodingName);
content = encoding.GetString(data);
return(content);
}
/// <summary>
/// 从指定位置开始读取数据,直到接收到停止消息。
/// </summary>
public void Read(int offset)
{
//下面这句话保证，每次都从OneTimeRead的倍数位置读取数据
offset = offset / OneTimeRead * OneTimeRead;
byte[] bytes = new byte[OneTimeRead];
TotalLen = _cacheBuffer.Read(offset, bytes);
StartedOffset = offset;
string encodingName = identifyEncoding.GetEncodingName(IdentifyEncoding.ToSByteArray(bytes));
string text = Encoding.GetEncoding(encodingName).GetString(bytes, 0, TotalLen);
Text = text;
}
public string GetString(string encodingName, byte[] bytes, int count)
{
if (string.IsNullOrWhiteSpace(encodingName))
{
try
{
string autoCheckName = _identifyEncoding.GetEncodingName(IdentifyEncoding.ToSByteArray(bytes));
string text = Encoding.GetEncoding(autoCheckName).GetString(bytes, 0, count);
return(text);
}
catch (Exception)
{
encodingName = "Hex";
}
}
if (encodingName == "Hex")
{
string text = BytesToHexString(bytes, count);
return(text);
}
return(string.Empty);
}
