javascript 10进制和62进制的相互转换
functionstring10to62(number){
varchars='0123456789abcdefghigklmnopqrstuvwxyzABCDEFGHIGKLMNOPQRSTUVWXYZ'.split(''),
radix=chars.length,
qutient=+number,
arr=[];
do{
mod=qutient%radix;
qutient=(qutient-mod)/radix;
arr.unshift(chars[mod]);
}while(qutient);
returnarr.join('');
}
functionstring62to10(number_code){
varchars='0123456789abcdefghigklmnopqrstuvwxyzABCDEFGHIGKLMNOPQRSTUVWXYZ',
radix=chars.length,
number_code=String(number_code),
len=number_code.length,
i=0,
origin_number=0;
while(i<len){
origin_number+=Math.pow(radix,i++)*chars.indexOf(number_code.charAt(len-i)||0);
}
returnorigin_number;
}热门推荐
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