二维码内容支持写入中文_zh 引入utf.js文件

[KaapoMarcus]

用法:引入js
<script type="text/javascript" src="../normal/utf.js"></script>
二维码内容：
$('#qrcode').qrcode(utf16to8("中文字词Test"));
utf.js源码：

/* utf.js - UTF-8 <=> UTF-16 convertion
*

• Copyright (C) 1999 Masanao Izumo [email protected]
• Version: 1.0
• LastModified: Dec 25 1999
• This library is free. You can redistribute it and/or modify it.
  */

/*

• Interfaces:
• utf8 = utf16to8(utf16);
• utf16 = utf16to8(utf8);
  */

function utf16to8(str) {
var out, i, len, c;

out = "";
len = str.length;
for(i = 0; i < len; i++) {
c = str.charCodeAt(i);
if ((c >= 0x0001) && (c <= 0x007F)) {
    out += str.charAt(i);
} else if (c > 0x07FF) {
    out += String.fromCharCode(0xE0 | ((c >> 12) & 0x0F));
    out += String.fromCharCode(0x80 | ((c >>  6) & 0x3F));
    out += String.fromCharCode(0x80 | ((c >>  0) & 0x3F));
} else {
    out += String.fromCharCode(0xC0 | ((c >>  6) & 0x1F));
    out += String.fromCharCode(0x80 | ((c >>  0) & 0x3F));
}
}
return out;

}

function utf8to16(str) {
var out, i, len, c;
var char2, char3;

out = "";
len = str.length;
i = 0;
while(i < len) {
c = str.charCodeAt(i++);
switch(c >> 4)
{ 
  case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7:
    // 0xxxxxxx
    out += str.charAt(i-1);
    break;
  case 12: case 13:
    // 110x xxxx   10xx xxxx
    char2 = str.charCodeAt(i++);
    out += String.fromCharCode(((c & 0x1F) << 6) | (char2 & 0x3F));
    break;
  case 14:
    // 1110 xxxx  10xx xxxx  10xx xxxx
    char2 = str.charCodeAt(i++);
    char3 = str.charCodeAt(i++);
    out += String.fromCharCode(((c & 0x0F) << 12) |
				   ((char2 & 0x3F) << 6) |
				   ((char3 & 0x3F) << 0));
    break;
}
}

return out;

}

[wanqqq29]

感谢，这个办法有用！