JS中GBK十六进制hex转字符串

Tags: /计算机文档/网页制作/ Date Created:
<html>

<body>
<div>
<textarea id="input" placeholder="输入主机HEX字符串">BAA3B2E220202020404040</textarea ><br/>
<button type="button" onclick="convert()">GBK转字符串</button>
<button type="button" onclick="urlDecode()">URL解码</button>
<button type="button" onclick="urlEncode()">URL编码</button>
<button type="button" onclick="strEscape()">Java转义</button>
<button type="button" onclick="encodeBase64()">Base64编码</button>
<br/><textarea id="result" placeholder="转换结果"></textarea ><br/>
</div>
<style>
   button {
      background-color: #4CAF50; /* Green */
      border: none;
      color: white;
      padding: 8px 10px;
      text-align: center;
      text-decoration: none;
      display: inline-block;
      font-size: 16px;
      margin-top: 10px;
      margin-bottom: 10px;
      margin-right: 10px;
   }
   textarea {
      width:600px;
      height:200px;
   }
</style>
<script>
   
function gbkconvert(gbkStr, callback) {
  var script = document.createElement('script');
  script.id = 'gbkconvert';
  script.src = 'data:text/javascript;charset=gbk,gbkconvertCb("' + gbkStr + '");';
  document.body.appendChild(script);
  window.gbkconvertCb = (res) => {
    callback && callback(res);
  };
}
 
function convert() {
   var src = document.getElementById("input").value;
   if (src.length % 2 != 0) return;
   var s = '';
   for (var i = 0; i < src.length; i+= 2) {
      s += '%' + src.charAt(i) + src.charAt(i+1);
   }
   gbkconvert(s,(res) => {
         document.getElementById("result").value = res;
      }
   )
}

function urlDecode() {
    var s = document.getElementById("input").value;
    document.getElementById("result").value = decodeURI(s);
}

function urlEncode() {
    var s = document.getElementById("input").value;
    document.getElementById("result").value = encodeURI(s);
}

function strEscape() {
    var s = document.getElementById("input").value;
    s = s.replace(/"/g, '\\"').replace(/\n/g, '\\n');
    document.getElementById("result").value = s;
}

function encodeBase64() {
    var s = document.getElementById("input").value;
    s = decodeURIComponent(escape(atob(s)));
    document.getElementById("result").value = s;
}

</script>
   
</body>
</html>