<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Unicode编码转换为中文</title>
</head>
<body>
    <input type="text" id="inputBox">
    <button onclick="convert()">转换</button>
    <script>
        function convert() {
            var input = document.getElementById("inputBox").value;
            var output = "";
            for (var i = 0; i < input.length; i++) {
                if (input.charCodeAt(i) > 127) {
                    output += "\\u" + input.charCodeAt(i).toString(16);
                } else {
                    output += input.charAt(i);
                }
            }
            document.getElementById("inputBox").value = unescape(output.replace(/\\/g, "%"));
        }
    </script>
</body>
</html>