PHP與JavaScript之間中文base64碼轉換程式碼

//PHP base64_encode

function str_encode($str){
        return base64_encode(iconv('GB18030',strof-8,stro !');
?>

///////////////////////////////////////// /////////////////////////////////////////////

另附PHP的base64的加解密函數！

 {echo base64_encode($str)."
";    //加密

$ss='Z25pZD0yNSZncGljaT0x';

  echo base64_decode(ss// ////////////////////////////////////////////////// /////////////////////// UTF-8 UTF-16 convertion
*
* Copyright (C) 1999 Masanao Izumo
* Version: 1.0

* LastModified: Dec 25 19999

* This

* LastModified: Dec 25 1999 can redistribute it and/or modify it.

*/

/*
* Interfaces:
* utf8 = utf16to8(utf16);
* utf16 = utf16to8(utf8);
var out, i, len, c;

    out = "";
    len = str.length;

    for(i = 0; i = 0x0001) && (c             out += str.charAt(i);
if       out += String.fromCharCode(0xE0 | ((c > > 12) & 0x0F));
            out += String.fromCharCode(0x80 | ((c >>  6) & 0x3F));
  >>  0) & 0x3F) );
        } else {            out += String.fromCharCode(0xC0 | ((c >>  6) & 0x1F); CharCode(0x80 | ((c >>  0) & 0x3F));

        }
    }

    return out;

}

function utf8to16(str) {

    out = "";
    len = str.length;
    i = 0;
    while(i >4)
        { 
案例0:案例1: 案例2: 案例3: 案例4: 案例5: 案例6: 案例7:
            // 0xxxxxxx
           break;
          個案12: 個案13 :
           / / 110x xxxx   10xx xxxx
            char2 = str.charCodeAt(i++);
      3F));
            休息；
狀況14:
           / / 1110 xxxx  10xx xxxx  10xx xxxx
            char2 = str.charCodeAt(i++);
       out += String.fromCharCode (((c & 0x0F)                              
            中斷;
        }
    }

   .co.jp>
* 版本：1.0
* 最後修改時間：1999 年12 月25 日
* 該庫是免費的。  您可以重新分發和/或修改它。

*/

/*

* 介面：

* b64 = base64encode(data);
* data = base64decode(b64);
*/

var base64 z0123456789+ /";

var base64DecodeChars = new Array (
    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - 1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, -1, -1, 63,
    52, 53 , 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1,

    -1,  0, 1, 2, 3, 4, 5 , 6, 7, 8, 9, 10, 11, 12, 13, 14,

    15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25 , -1, - , -1, -1,
    -1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
45, 46, 47, 48, 49, 50, 51, -1, -1, -1, -1, -1);

function base64encode(str) {
    var out , i, len; c2, c3;

    len = str.length;
    i = 0;
    out = "";
    while(i         {
out += base64EncodeChars.charAt(c1 >> 2);
            out += base64EncodeChars.charAt((c1 & 0x3)         }
c2 = str.charCodeAt ( i++);
        if(i == len)
        {
            out += base64EncodeChars.charAt(((c1 & 0x3) )> 4));
            out += base64EncodeChars.charAt((c2 & 0xF)         }
        c3 = str.charCodeAt( i++ );
        out += base64EncodeChars.charAt(c1 >> 2);
        out += base64EncodeChars.charAt(((c1 & 0x3)    out + = base64EncodeChars.charAt(((c2 & 0xF) > 6));
out += base64EncodeChars.charAt(c3 & 0x3F);
 
function base64decode(str) {
    var c1, c2, c3, c4;
    var i, len, out;

    len = str.length;   while(i         /* c1 */
        do {
          } while(i         if(c1 ==- 1 )
            月;

        /* c2 */
      At(i++) & 0xff];
        } while(i         if(c2 = = -1)

           break;

        out += String.fromCharCode((c1 > 4)
        do {
            c3 = 海峽。 (i++) & 0xff;
            if(c3 == 61)
            
       } while(i         若(c3 == -1)
中斷;

        out += String.fromCharCode(((c2 & 0XF) > 2));

        /* c4 */
        do {
           4 == 61)
                返回;
            c4 = base64DecodeChars[cb]; = -1);
        if(c4 == -1)
           break;
      }
    return out;
}
//輸入base64編碼
函數strdecode(str){
        return utf8to16(base64decode(str));
}
document.write(strdecode('5L2g5a