进制转换-2进制~62进制与10进制的转换
//var?str="AZ";?
//for(var?i=0;i62???62?:?d;?
??var?s,?e?=?"";?
??while?(N>0)?{?
????s?=?N%d;?
????if?(s>35)?{?
??????//36至62的数用a-z字符表示(s-36+97)?
??????s?=?String.fromCharCode(s+61);?
????}?else?if?(s>9)?{?
??????//10至35的数用A-Z字符表示(s-10+65)?
??????s?=?String.fromCharCode(s+55);?
????}?
????e?=?s+e;?
????N?=?Math.floor(N/d);?
??}?
??e?=?e?!=?""???e?:?"0";?
??return?e;?
}?
//将d进制数转换为10进制?
function?jh_Dto10(str,?d)?{?
??d?=?Math.floor(Number(d));?
??d?=?d62???62?:?d;?
??var?code?=?0,?num?=?0;?
??for?(var?i?=?0;?i96)?{?
??????code?-=?61;?
????}?else?if?(code>64)?{?
??????code?-=?55;?
????}?else?{?
??????code?-=?48;?
????}?
????num?+=?code*Math.pow(d,?str.length-1-i);?
??}?
??return?num;?
}?
//测试：?
in_D?=?62;?
num1?=?"15000";?
num2?=?jh_10toD(num1,?in_D);?
bt1.onRelease?=?function()?{?
??num2?=?jh_10toD(num1,?in_D);?
};?
bt2.onRelease?=?function()?{?
??num1?=?jh_Dto10(num2,?in_D);?
};?
本文转自：http://www.5uflash.com/flashjiaocheng/Flashaschengxu/310.html
