C#中Unicode转汉字

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方法一

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string s = "u767bu5f55u6210u529fuff0cu6b63u5728u8df3u8f6c...";
System.Text.UnicodeEncoding encodingUNICODE = new System.Text.UnicodeEncoding();
encodingUNICODE.GetString(new UnicodeEncoding().GetBytes(s));

方法二:

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Regex.Unescape(s);

方法三:

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public string FromUnicodeString(string str, string SplitString = "u")
{
string regexCode = SplitString == "u" ? "\\u(\w{1,4})" : SplitString + "(\w{1,4})";
string reString = str;
System.Text.RegularExpressions.Regex reg = new System.Text.RegularExpressions.Regex(regexCode);
System.Text.RegularExpressions.MatchCollection mc = reg.Matches(reString);
for (int i = 0; i < mc.Count; i++)
{
try
{
var outs = (char)int.Parse(mc[i].Groups[1].Value, System.Globalization.NumberStyles.HexNumber);
str = str.Replace(mc[i].Groups[0].Value, outs.ToString());
}
catch
{
continue;
}
}
return str;
}