js小工具.字符串&16进制数值字符串&互转
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2、测试代码：
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<script type="text/javascript" >
<!--
window.onload = function()
{
// var strTest = "1234567";
// strTest = strTest.substr(2);
// console.log("strTest : " + strTest);
// var str ="GET / HTTP/1.1\r\n"
// +"Host: www.google.com\r\n"
// +"User-Agent: curl/7.43.0\r\n"
// +"Accept: */*\r\n"
// +"\r\n";
var str ="GET / HTTP/1.1\r\n"
+"Host: www.baidu.com\r\n"
+"User-Agent: curl/7.43.0\r\n"
+"Accept: */*\r\n"
+"\r\n";
var strHex = strToHexCharCode(str);
console.log(str);
console.log("字符串 转为 16进制数值的字符串：\n");
console.log(strHex);
console.log("");
// strHex = "474554202f20485454502f312e310d0a486f73743a"
// +"207777772e676f6f676c652e636f6d0d0a55736572"
// +"2d4167656e743a206375726c2f372e34332e300d0a"
// +"4163636570743a202a2f2a0d0a0d0a";
strHex = "474554202f20485454502f312e310d0a486f73743a207777772e62616964752e636f6d0d0a557365722d4167656e743a206375726c2f372e34332e300d0a4163636570743a202a2f2a0d0a0d0a";
console.log(strHex);
console.log("16进制数值的字符串 转为 字符串：\n");
str = hexCharCodeToStr(strHex);
console.log(str);
};
//字符串转16进制
function strToHexCharCode(_str)
{
if(_str === "")
return "";
var hexCharCode = [];
hexCharCode.push("0x\n");
for(var i = 0; i < _str.length; i++) {
var str = _str.charCodeAt(i).toString(16);
str = LeftPad_2(str);
hexCharCode.push(str);
}
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("");
}
function LeftPad_2(_str)
{
if (_str.length == 1)
return "0"+_str;
return _str;
}
-->
</script>
</head>
<body>
</body>
</html>
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