把大数据数字口语化

def fn(num):
 '''
 把数字口语化
 '''
 
 ret = ''
 num = int(num)
 if num/10000 == 0:
 ret = str(num)
 else:
 if num/10**8 == 0:
 if num%10000 != 0:
 ret = str(num/10000) + '万' + str(num % 10000)
 else:
 ret = str(num/10000) + '万'
 else:
 n2 = num%10**8
 if n2%10000 != 0 and n2/10000 != 0:
 ret = str(num/10**8) + '亿' + str(n2/10000) + '万' + str(n2%10000)
 elif n2%10000 != 0 and n2/10000 == 0:
 ret = str(num/10**8) + '亿' + str(n2%10000)
 elif n2%10000 == 0 and n2/10000 != 0:
 ret = str(num/10**8) + '亿' + str(n2/10000) + '万'
 elif n2%10000 == 0 and n2/10000 == 0:
 ret = str(num/10**8) + '亿'
 return ret

function int2string(num) {
 num = Number(num);
 if (num/10000 < 1){
 ret = num;
 }else{
 if (num/Math.pow(10,8) < 1) {
 if (num%10000 != 0) {
 ret = parseInt(num/10000) + '万' + num % 10000;
 }else{
 ret = parseInt(num/10000) + '万';
 }
 }else{
 n2 = num%Math.pow(10,8);
 if (n2%10000 != 0 & n2/10000 != 0) {
 ret = parseInt(num/Math.pow(10,8)) + '亿' + parseInt(n2/10000) + '万' + (n2%10000);
 }else if(n2%10000 != 0 & n2/10000 == 0){
 ret = parseInt(num/Math.pow(10,8)) + '亿' + parseInt(n2%10000);
 }else if(n2%10000 == 0 & n2/10000 != 0){
 ret = parseInt(num/Math.pow(10,8)) + '亿' + parseInt(n2/10000) + '万';
 }else if(n2%10000 == 0 & n2/10000 == 0){
 ret = (num/Math.pow(10,8)) + '亿';
 }
 }
 }
 return ret
}