Javascript - 在Unicode字符串和ArrayBuffer之间进行转换 [英] Javascript - Converting between Unicode string and ArrayBuffer

问题描述

有人知道一个可以使用unicode编码将字符串转换为ArrayBuffer的脚本吗？

我创建了一个浏览器端等效的缓冲区 node.js.剩下的唯一编码是unicode。所有其他人都完成了。

感谢您的帮助。

解决方案

我自己找到了。

解码：

  var b = new Uint8Array（str.length * 2）; （var i = 0; i< b.length; i + = 2）的
 {
 var x = str.charCodeAt（i / 2）; 
 var a = x％256; 
 x  -  = a; 
 x / = 256; 
 b [i] = x; 
 b [i + 1] = a; 
} 
  

编码

  var s =; 
 for（var i = 0; i  s + = String.fromCharCode（this [i ++] * 256 + this [i ++]）; 
} 
  

Does somebody know a script that is able to convert a string to a ArrayBuffer using unicode encoding?

I´m creating a browser-side eqivalent of the "Buffer" of node.js. The only encoding that is left is unicode. All others are done.

Thanks for your help!

解决方案

I found it out by myself.

Decoding:

var b = new Uint8Array(str.length*2);
for(var i = 0; i < b.length; i+=2){
    var x = str.charCodeAt(i/2);
    var a = x%256;
    x -= a;
    x /= 256;
    b[i] = x;
    b[i+1] = a;
}

Encoding

var s = "";
for(var i = 0; i < this.length;){
    s += String.fromCharCode(this[i++]*256+this[i++]);
}

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