JavaScript | hex to utf8 javascript
在我的客户机/服务器应用程序中,我从服务器获取十六进制格式的字符串,我需要将其转换为UTF8。然后,在进行一些操作之后,我需要将字符串编码回编码,从UTF8到Hex,然后返回服务器。我已经构建了将该函数解析为UTF8的十六进制字符串。但是,当我尝试逆转该算法时,我得到的却是另外一些东西。这是我的测试:functionhexToUtf8(s){returndecodeURIComponent(s.replace(/s+/g,)//removespaces.replace(/[0-9a-f]{2}/g,%$&)//add%beforeeach2characters);}functionutf8ToHex(s){returnencodeURIComponent(s).replace(/%/g,"");//rem...
在我的客户机/服务器应用程序中,我从服务器获取十六进制格式的字符串,我需要将其转换为UTF8。然后,在进行一些操作之后,我需要将字符串编码回编码,从UTF8到Hex,然后返回服务器。
我已经构建了将该函数解析为UTF8的十六进制字符串。但是,当我尝试逆转该算法时,我得到的却是另外一些东西。
这是我的测试:
function hexToUtf8(s) { return decodeURIComponent( s.replace(/s+/g, ) // remove spaces .replace(/[0-9a-f]{2}/g, %$&) // add % before each 2 characters ); } function utf8ToHex(s) { return encodeURIComponent(s).replace(/%/g, ""); // remove all % characters } var hex = "52656c6179204f4e214f706572617465642062792030353232"; var utf8 = hexToUtf8(hex); // result: "Relay ON!Operated by 0522" (correct value) var hex2 = utf8ToHex(utf8); // result: "Relay20ON!Operated20by200522" (some junk) console.log("Hex: " + hex); console.log("UTF8: " + utf8); console.log("Hex2: " + hex2); console.log("Is conversion OK: " + (hex == hex2)); // false您的utf8toHex正在使用encodeURIComponent,这不会使所有内容都变成十六进制。
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