前台：
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="Test_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>获取汉字拼音首字母</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
<asp:Button ID="Button1" runat="server" Text="Button" OnClick="Button1_Click" /></div>
<div>
<asp:TextBox ID="TextBox2" runat="server"></asp:TextBox>
</div>
</form>
</body>
</html>
后台代码：
protected void Button1_Click(object sender, EventArgs e)
{
string strText = TextBox1.Text.ToString().Trim();
TextBox2.Text = GetChineseSpell(strText);
}
//这个方法是用来获得一个字符串的每个字的拼音首字母组成所需的字符串
private string GetChineseSpell(string strText)
{
int len = strText.Length;
string myStr = "";
for (int i = 0; i < len; i++)
{
myStr += getSpell(strText.Substring(i, 1));
}
return myStr;
}
//用来获得一个字的拼音首字母
private string getSpell(string cnChar)
{
//将汉字转化为ASNI码,二进制序列
byte[] arrCN = Encoding.Default.GetBytes(cnChar);
if (arrCN.Length > 1)
{
int area = (short)arrCN[0];
int pos = (short)arrCN[1];
int code = (area << 8) + pos;
int[] areacode = {45217,45253,45761,46318,46826,47010,47297,47614,48119,48119,49062,
49324,49896,50371,50614,50622,50906,51387,51446,52218,52698,52698,52698,52980,53689,
54481};
for (int i = 0; i < 26; i++)
{
int max = 55290;
if (i != 25) max = areacode[i + 1];
if (areacode[i] <= code && code < max)
{
return Encoding.Default.GetString(new byte[] { (byte)(65 + i) });
}
}
return "*";
}
else return cnChar;
}
