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取汉字首字母(完全示例demo下载)

Posted on 2010-09-01 17:55  达奇  阅读(325)  评论(0编辑  收藏  举报

新建一般处理程序

ajax.ashx

 

<%@ WebHandler Language="C#" Class="ajax" %>

using System;
using System.Web;

public class ajax : IHttpHandler {
    public void ProcessRequest (HttpContext context) {
        context.Response.ContentType = "text/plain";
        if (!string.IsNullOrEmpty(context.Request.QueryString["key"]))
        {
            context.Response.Write(GetPYString(context.Request.QueryString["key"]));
        }
    }

    /// <summary>
    /// /// 取单个字符的拼音声母/// Code By MuseStudio@hotmail.com
    /// /// 2004-11-30/// </summary>/// <param name="c">要转换的单个汉字</param>
    /// /// <returns>拼音声母</returns>
    public static string GetPYChar(string c)
    {
        byte[] array = new byte[2];
        array = System.Text.Encoding.Default.GetBytes(c);
        int i = (short)(array[0] - '\0') * 256 + ((short)(array[1] - '\0'));
        if (i < 0xB0A1) return "*";
        if (i < 0xB0C5) return "a";
        if (i < 0xB2C1) return "b";
        if (i < 0xB4EE) return "c";
        if (i < 0xB6EA) return "d";
        if (i < 0xB7A2) return "e";
        if (i < 0xB8C1) return "f";
        if (i < 0xB9FE) return "g";
        if (i < 0xBBF7) return "h";
        if (i < 0xBFA6) return "j";
        if (i < 0xC0AC) return "k";
        if (i < 0xC2E8) return "l";
        if (i < 0xC4C3) return "m";
        if (i < 0xC5B6) return "n";
        if (i < 0xC5BE) return "o";
        if (i < 0xC6DA) return "p";
        if (i < 0xC8BB) return "q";
        if (i < 0xC8F6) return "r";
        if (i < 0xCBFA) return "s";
        if (i < 0xCDDA) return "t";
        if (i < 0xCEF4) return "w";
        if (i < 0xD1B9) return "x";
        if (i < 0xD4D1) return "y";
        if (i < 0xD7FA) return "z";
        return "*";
    }

    /// <summary>
    /// 汉字转拼音缩写(调用这个)
    /// /// Code By MuseStudio@hotmail.com
    /// /// 2004-11-30/// </summary>/// <param name="str">要转换的汉字字符串</param>
    /// /// <returns>拼音缩写</returns>
    public static string GetPYString(string str)
    {
        string tempStr = "";
        foreach (char c in str)
        {
            if ((int)c >= 33 && (int)c <= 126)
            {//字母和符号原样保留
                tempStr += c.ToString();
            }
            else
            {//累加拼音声母    
                tempStr += GetPYChar(c.ToString());
            }
        }
        return tempStr;
    }
    public bool IsReusable {
        get {
            return false;
        }
    }

}

 

 

 

 

新建 Default.aspx

 

 

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_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></title>

    <script language="javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.min.js"></script>
    <script language="javascript" type="text/javascript">
// <!CDATA[

        function getPY() {
            $.ajax({
                type: "get",
                url: "ajax.ashx",
                data: { key: $('#TextBox1').val() },
                cache: false,
                async: true,
                success: function(html) {
                    $("#TextBox2").val("");
                    $("#TextBox2").val(html);
                }
            });
        }

// ]]>
    </script>

</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:TextBox ID="TextBox1" runat="server" onkeyup="getPY();"></asp:TextBox>
        <br />
        <asp:TextBox ID="TextBox2" runat="server"></asp:TextBox>
        <br />
    </div>
    </form>
</body>
</html>

 

两个页面搞定!!