Javascript输入汉字自动转换为首字母的拼音码

<script language="javascript" type="text/javascript">
function getPYCode(str) {
    var result = "";
    for (var i = 0; i < str.length; i++) {
        result += getPY(str.charAt(i).toString())
    }
    document.getElementById("lblResult").innerHTML = result
}
function getPY(s) {
    if (s != "") {
        execScript("tmp=asc(\"" + s + "\")", "vbscript");
        tmp = 65536 + tmp;
        var py = "";
        if (tmp >= 45217 && tmp <= 45252) {
            py = "A"
        } else if (tmp >= 45253 && tmp <= 45760) {
            py = "B"
        } else if (tmp >= 45761 && tmp <= 46317) {
            py = "C"
        } else if (tmp >= 46318 && tmp <= 46825) {
            py = "D"
        } else if (tmp >= 46826 && tmp <= 47009) {
            py = "E"
        } else if (tmp >= 47010 && tmp <= 47296) {
            py = "F"
        } else if ((tmp >= 47297 && tmp <= 47613) || (tmp == 63193)) {
            py = "G"
        } else if (tmp >= 47614 && tmp <= 48118) {
            py = "H"
        } else if (tmp >= 48119 && tmp <= 49061) {
            py = "J"
        } else if (tmp >= 49062 && tmp <= 49323) {
            py = "K"
        } else if (tmp >= 49324 && tmp <= 49895) {
            py = "L"
        } else if (tmp >= 49896 && tmp <= 50370) {
            py = "M"
        } else if (tmp >= 50371 && tmp <= 50613) {
            py = "N"
        } else if (tmp >= 50614 && tmp <= 50621) {
            py = "O"
        } else if (tmp >= 50622 && tmp <= 50905) {
            py = "P"
        } else if (tmp >= 50906 && tmp <= 51386) {
            py = "Q"
        } else if (tmp >= 51387 && tmp <= 51445) {
            py = "R"
        } else if (tmp >= 51446 && tmp <= 52217) {
            py = "S"
        } else if (tmp >= 52218 && tmp <= 52697) {
            py = "T"
        } else if (tmp >= 52698 && tmp <= 52979) {
            py = "W"
        } else if (tmp >= 52980 && tmp <= 53688) {
            py = "X"
        } else if (tmp >= 53689 && tmp <= 54480) {
            py = "Y"
        } else if (tmp >= 54481 && tmp <= 62289) {
            py = "Z"
        } else {
            py = s.charAt(0)
        }
        return py
    }
}
</script>  

HTML: <input type="text" onkeydown="getPYCode(this.value)" onkeyup="getPYCode(this.value)" />

<label id="lblResult" style="color:Red"></label>

Javascript输入汉字自动转换为首字母的拼音码本篇文章来源于深山行者个人网站 http://www.qwbm.com 原文出处：http://www.qwbm.com/new.asp?id=534