<script type="text/javascript">

        function JavaDe() {

            var monyer = new Array();

            var s = document.getElementById('code').value.split("\\");

            for (i = 1; i < s.length; i++) {

                s[i] = s[i].replace('x', '');

                monyer += String.fromCharCode(parseInt(s[i], 16))

            }

            document.getElementById('code').value = monyer;

        }

        function JavaEn() {

            var txt = document.getElementById("code");

            var hex = document.getElementById("true");

            var monyer = new Array(); var i, s;

            for (i = 0; i < txt.value.length; i++) {

                s = txt.value.charCodeAt(i).toString(16);

                if (hex.checked) {

                    monyer += "\\x" + s;

                } else {

                    monyer += new Array(5 - String(s).length).join("0") + s;

                }

            }

            txt.value = monyer;

        }

        function hexToString(str) {

            var monyer = new Array();

            var s = str.split(",");

            for (i = 0; i < s.length; i++) {

                monyer += String.fromCharCode(parseInt(s[i], 16))

            }

            document.getElementById('code').value = monyer;

        }

        function stringToHex(str) {

            var val = "";

            for (var i = 0; i < str.length; i++) {

                if (val == "")

                    val = str.charCodeAt(i).toString(16);

                else

                    val += "," + str.charCodeAt(i).toString(16);

            }

            document.getElementById('code').value = val;

        }

    </script>

    <textarea id="code" rows="10" cols="50">\x65\x76\x61\x6c</textarea><input type="checkbox"

        checked id="true">是否启用\x加密<br>

    <input onclick="JavaDe()" type="button" value='16进制解密"\x"'><input onclick="JavaEn()"

        type="button" value='16进制加密'><br>

    <br>

    <input onclick="hexToString(document.getElementById('code').value)" type="button"

        value='16进制解密","'><input onclick="stringToHex(document.getElementById('code').value)"

            type="button" value='16进制加密","'>