本文介绍了在JavaScript上将整数数组转换为字符串的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
这是php代码:
$arr=array(228,184,173,230,150,135,99,104,105,110,101,115,101);
$str='';
foreach ($arr as $i){
$str.=chr($i);
}
print $str;
输出为:中文chinese
这是JavaScript代码:
Here is javascript code:
var arr=[228,184,173,230,150,135,99,104,105,110,101,115,101];
var str='';
for (i in arr){
str+=String.fromCharCode(arr[i]);
}
console.log(str);
输出为:ä¸æchinese
那么我应该如何使用javascript处理数组?
So how should I process the array at javascript?
推荐答案
JavaScript字符串由 UTF- 16 代码单元,但是数组中的数字是 UTF-8 字符串.这是一种转换字符串的方法,该方法使用 decodeURIComponent() 函数:
JavaScript strings consist of UTF-16 code units, yet the numbers in your array are the bytes of a UTF-8 string. Here is one way to convert the string, which uses the decodeURIComponent() function:
var i, str = '';
for (i = 0; i < arr.length; i++) {
str += '%' + ('0' + arr[i].toString(16)).slice(-2);
}
str = decodeURIComponent(str);
以传统方式执行从UTF-8到UTF-16的转换可能会更高效,但需要更多代码.
Performing the UTF-8 to UTF-16 conversion in the conventional way is likely to be more efficient but would require more code.
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