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  • js 字符串和16进制的互相转换

    字符串转16进制

    function strToHexCharCode(str) {
      if(str === "")
        return "";
      var hexCharCode = [];
      hexCharCode.push("0x"); 
      for(var i = 0; i < str.length; i++) {
        hexCharCode.push((str.charCodeAt(i)).toString(16));
      }
      return hexCharCode.join("");
    }

    16进制转字符串

    function hexCharCodeToStr(hexCharCodeStr) {
      var trimedStr = hexCharCodeStr.trim();
      var rawStr = 
      trimedStr.substr(0,2).toLowerCase() === "0x"
      ? 
      trimedStr.substr(2) 
      : 
      trimedStr;
      var len = rawStr.length;
      if(len % 2 !== 0) {
        alert("Illegal Format ASCII Code!");
        return "";
      }
      var curCharCode;
      var resultStr = [];
      for(var i = 0; i < len;i = i + 2) {
        curCharCode = parseInt(rawStr.substr(i, 2), 16); // ASCII Code Value
        resultStr.push(String.fromCharCode(curCharCode));
      }
      return resultStr.join("");
    }

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  • 原文地址:https://www.cnblogs.com/wangsai-666/p/14790651.html
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