index.htm

﻿<!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>
    <title></title>
</head>
<body>
    <div style="height: 300px">
        <textarea id="txt5" runat="server" style="width: 400px; height: 300px"></textarea>
        <input type="button" value="转换" onclick="ZH()" style="margin-bottom: 150px" />
        <textarea id="txt7" runat="server" style="width: 400px; height: 300px"></textarea>
    </div>
    <script type="text/javascript">
        function ZH() {
            var doc5 = document.getElementById("txt5");
            var doc7 = document.getElementById("txt7");
            if (doc5.value != "") {
                var s5 = doc5.value.ReplaceAll("，", ",").split(",");
                var n = "";
                for (var i = 0; i < s5.length; i++) {
                    if (i != s5.length - 1) {
                        var be = s5[i];
                        var en = s5[i + 1];
                        var res = Math.abs(Math.round((en - be) * 7 / 5));
                        n += res + ",";

                    }
                }
                doc7.value = n.trimEnd(',');
            }
        }
        String.prototype.trimEnd = function (c) {
            var str = this;
            var rg = new RegExp(c);
            var i = str.length;
            while (rg.test(str.charAt(--i)));
            return str.slice(0, i + 1);
        }
		String.prototype.ReplaceAll = function (sptr, sptr1){
			var str = this;
            while (str.indexOf(sptr) >= 0){
                str = str.replace(sptr, sptr1);
            }
            return str;
        }
    </script>
</body>
</html>