> 2);
out += base64EncodeChars.charAt((c1 & 0x3) << 4);
out += "==";
break;
}
c2 = str.charCodeAt(i++);
if(i == len) {
out += base64EncodeChars.charAt(c1 >> 2);
out += base64EncodeChars.charAt(((c1 & 0x3)<< 4) | ((c2 & 0xF0) >> 4));
out += base64EncodeChars.charAt((c2 & 0xF) << 2);
out += "=";
break;
}
c3 = str.charCodeAt(i++);
out += base64EncodeChars.charAt(c1 >> 2);
out += base64EncodeChars.charAt(((c1 & 0x3)<< 4) | ((c2 & 0xF0) >> 4));
out += base64EncodeChars.charAt(((c2 & 0xF) << 2) | ((c3 & 0xC0) >>6));
out += base64EncodeChars.charAt(c3 & 0x3F);
}
return out;
}
function base64decode(str) {
var c1, c2, c3, c4;
var i, len, out;
len = str.length;
i = 0;
out = "";
while(i < len) {
do {
c1 = base64DecodeChars[str.charCodeAt(i++) & 0xff];
} while(i < len && c1 == -1);
if (c1 == -1) break;
do {
c2 = base64DecodeChars[str.charCodeAt(i++) & 0xff];
} while(i < len && c2 == -1);
if (c2 == -1) break;
out += String.fromCharCode((c1 << 2) | ((c2 & 0x30) >> 4));
do {
c3 = str.charCodeAt(i++) & 0xff;
if (c3 == 61) return out;
c3 = base64DecodeChars[c3];
} while(i < len && c3 == -1);
if(c3 == -1) break;
out += String.fromCharCode(((c2 & 0XF) << 4) | ((c3 & 0x3C) >> 2));
do {
c4 = str.charCodeAt(i++) & 0xff;
if(c4 == 61) return out;
c4 = base64DecodeChars[c4];
} while(i < len && c4 == -1);
if(c4 == -1) break;
out += String.fromCharCode(((c3 & 0x03) << 6) | c4);
}
return out;
}
function jiami() {
var str=input.value.replace(/ +$/g,"");
if (str.search(/^thunder|^flashget/i)==-1) {
var thunder="AA"+str+"ZZ";
thunder="thunder://"+base64encode(thunder);
var flashget="[FLASHGET]"+str+"[FLASHGET]";
flashget="flashget://"+base64encode(flashget)+"&abc;";
x.innerHTML="迅雷地址：
"+thunder+"<\/a>
快车地址：
"+flashget+"<\/a>";
}
}
function jiemi() {
var str=input.value.replace(/ +$|\/$/g,"");
if (str.search(/^thunder/i)!=-1) {
str=str.replace("thunder://","");
str=base64decode(str).replace(/^AA|ZZ$/gi,"");
x.innerHTML="原始地址：
"+str+"<\/a>";
}
else if (str.search(/^flashget/i)!=-1) {
str=str.replace("flashget://","");
str=str.replace(/&.*$/,"");
str=base64decode(str).replace(/^\[FLASHGET\]|\[FLASHGET\]$/gi,"");
x.innerHTML="原始地址：
"+str+"<\/a>";
}
else x.innerHTML="地址格式不正确，无法解密。";
}
输入：
输出：