public static string DataTable2Json(DataTable dt, int page, convertType type, string formatDateTime = "yyyy-MM-dd")
{
var jsonString = string.Empty;
switch (type)
{
case convertType.Default:
jsonString = DataTable2Default(dt, formatDateTime);
break;
case convertType.Table:
jsonString = DataTable2Table(dt, page, -1, formatDateTime);
break;
}
return(jsonString);
}
public static string byteArrayToHexStr(byte[] bytes, convertType type)
{
StringBuilder sb = new StringBuilder();
switch (type)
{
case convertType.littleEndian:
for (int i = 0; i < bytes.Length; i = i + 2)
{
sb.Append(bytes[i + 1].ToString("X2"));
sb.Append(" ");
sb.Append(bytes[i].ToString("X2"));
sb.Append(" ");
}
break;
case convertType.EachByte:
foreach (byte bt in bytes)
{
sb.Append(bt.ToString("X2"));
sb.Append(" ");
}
break;
}
return sb.ToString();
}
public static string fileToHexStr(string filePath, convertType type)
{
byte[] tmpBytes = File.ReadAllBytes(filePath);
return byteArrayToHexStr(tmpBytes, type);
}
public static string hexToStr(string strHex, convertType type)
{
strHex = strHex.Replace(" ", "");
if (strHex == string.Empty)
{
return string.Empty;
}
byte[] byteArray = new byte[strHex.Length / 2]; //两个字节转回一个字符，长度减半
switch (type)
{
case convertType.littleEndian:
for (int i = 0; i < strHex.Length; i = i + 2)
{
//尝试将数字的字符串表示形式转换为它的等效 Byte，并返回一个指示转换是否成功的值
//每次从mhex取两个byte转换存储到vbyte中
//if (!byte.TryParse(mHex.Substring(i, 2), System.Globalization.NumberStyles.HexNumber, null, out vBytes[i / 2]))
//{
// vBytes[i / 2] = 0;
//}
byteArray[i / 2] = byte.Parse(strHex.Substring(i, 2), System.Globalization.NumberStyles.HexNumber);
}
break;
case convertType.EachByte:
for (int i = 0; i < strHex.Length / 2; i = i + 2)
{
byteArray[i / 2] = Convert.ToByte("0x" + strHex.Substring(i, 2), 16);
}
break;
}
return System.Text.Encoding.Unicode.GetString(byteArray);
}
