/// <summary>
/// 根据编码类型获取请求参数。对于POST不解码，因为POST可以传递中文。
/// 通常使用此方法。
/// </summary>
/// <remarks>
/// 2009.8.18 zhineng.li created
/// </remarks>
/// <param name="request">当前请求的request对象</param>
/// <param name="encode">编码枚举值</param>
/// <returns>键为参数名,值为参数值的NameValue集合</returns>
public static NameValueCollection GetRequestParameters(HttpRequest request, EEncodingType encoding)
{
NameValueCollection result = null;
Encoding destEncode = null;
//获取指定编码格式的Encoding对象
try
{
//获取指定的编码格式
destEncode = Encoding.GetEncoding((int)encoding);
}
catch
{
//如果获取指定编码格式失败,则使用默认的编码类型
destEncode = Encoding.GetEncoding(0);
}
//根据不同的HttpMethod方式,获取请求的参数.如果是POST则不进行编码。
if (request.HttpMethod == "POST")
{
result = request.Form;
}
else
{
result = System.Web.HttpUtility.ParseQueryString(request.Url.Query, destEncode);
}
//返回结果
return(result);
}
public static Encoding Get(EEncodingType type)
{
return(type switch
{
EEncodingType.Ascii => AsciiEncoding,
EEncodingType.Latin1 => Latin1Encoding,
EEncodingType.Utf8 => Utf8Encoding,
_ => throw new ArgumentOutOfRangeException(nameof(type), type, null)
});
public static int Write(this EndianBinaryWriter writer, string str, EEncodingType encodingType, bool nullTerminated = false)
{
var buffer = Enc.Enc.Get(encodingType).GetBytes(str);
if (nullTerminated)
{
Array.Resize(ref buffer, buffer.Length + 1);
}
writer.Write(buffer);
return(buffer.Length);
}
public static BeamAtomsChunk Read(EndianBinaryReader reader, EEncodingType encodingType)
{
var atomsCount = reader.ReadUInt32();
var atoms = new string[atomsCount];
for (int i = 0; i < atomsCount; i++)
{
var atomLen = reader.ReadByte();
atoms[i] = reader.ReadString(atomLen, encodingType);
}
return(new BeamAtomsChunk()
{
Atoms = atoms,
EncodingType = encodingType
});
}
public static TermAtom Read(BinaryReader reader, EEncodingType encType, ETermSize size)
{
var enc = Enc.Enc.Get(encType);
var len = size switch
{
ETermSize.Small => reader.ReadByte(),
ETermSize.Large => reader.ReadUInt16(),
_ => throw new NotSupportedException(),
};
var atomBytes = reader.ReadBytes(len);
var atom = enc.GetString(atomBytes);
return(new TermAtom()
{
EncodingType = encType,
Atom = atom
});
}
public static NameValueCollection GetParameters(string _requestString, EEncodingType encoding)
{
NameValueCollection result = null;
Encoding destEncode = null;
//获取指定编码格式的Encoding对象
try
{
//获取指定的编码格式
destEncode = Encoding.GetEncoding((int)encoding);
}
catch
{
//如果获取指定编码格式失败,则使用默认的编码类型
destEncode = Encoding.GetEncoding(0);
}
//按照指定编码类型进行解码
result = System.Web.HttpUtility.ParseQueryString(_requestString, destEncode);
return(result);
}
public static string ReadString(this EndianBinaryReader reader, int bytesCount, EEncodingType encodingType)
{
var enc = Enc.Enc.Get(encodingType);
var bytes = reader.ReadBytes(bytesCount);
return(enc.GetString(bytes));
}
/// <summary>
/// 根据编码类型获取请求参数。对于POST请求同样解码。
/// </summary>
/// <remarks>
/// 2009.8.18 zhineng.li created
/// </remarks>
/// <param name="request">当前请求的request对象</param>
/// <param name="encode">编码枚举值</param>
/// <returns>键为参数名,值为参数值的NameValue集合</returns>
public static NameValueCollection GetRequestParametersDecode(HttpRequest request, EEncodingType encoding)
{
NameValueCollection result = null;
Encoding destEncode = null;
//获取指定编码格式的Encoding对象
try
{
//获取指定的编码格式
destEncode = Encoding.GetEncoding((int)encoding);
}
catch
{
//如果获取指定编码格式失败,则使用默认的编码类型
destEncode = Encoding.GetEncoding(0);
}
//根据不同的HttpMethod方式,获取请求的参数.如果没有Encoding对象则使用服务器端默认的编码.
if (request.HttpMethod == "POST")
{
Stream resStream = request.InputStream;
byte[] filecontent = new byte[resStream.Length];
resStream.Read(filecontent, 0, filecontent.Length);
string postquery = destEncode.GetString(filecontent);
result = HttpUtility.ParseQueryString(postquery, destEncode);
}
else
{
result = System.Web.HttpUtility.ParseQueryString(request.Url.Query, destEncode);
}
//返回结果
return(result);
}
