将UTF-8 HEX转换为表情符号表示 [英] convert UTF-8 HEX into emoji representation
本文介绍了将UTF-8 HEX转换为表情符号表示的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我们如何将UTF-8 HEX: EE 94 93 转换为等效的Emoji表示形式:1f1e8,1f1f3
How do we convert UTF-8 HEX: EE 94 93 into equivalent Emoji representation: 1f1e8, 1f1f3
取自这里:< a href =http://www.iemoji.com/view/emoji/175/places/regional-indicator-symbol-letters-cn =nofollow> http://www.iemoji.com/view/ emoji / 175 / places / regional-indicator-symbol-letters-cn
推荐答案
public static string ConvertEmoji2UnicodeHex(string emoji)
{
if (string.IsNullOrWhiteSpace(emoji))
return emoji;
byte[] bytes = Encoding.UTF8.GetBytes(emoji);
string firstItem = Convert.ToString(bytes[0], 2);
int iv;
if (bytes.Length == 1)
{
iv = Convert.ToInt32(firstItem, 2);
}
else
{
StringBuilder sbBinary = new StringBuilder();
sbBinary.Append(firstItem.Substring(bytes.Length + 1).TrimStart('0'));
for (int i = 1; i < bytes.Length; i++)
{
string item = Convert.ToString(bytes[i], 2);
item = item.Substring(2);
sbBinary.Append(item);
}
iv = Convert.ToInt32(sbBinary.ToString(), 2);
}
return Convert.ToString(iv, 16).PadLeft(4, '0');
}
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