NSNUmbel

#//千分位
1.

• (void)setAmount:(NSNumber )amount
  {
  _amount = amount;
  NSNumberFormatter formatter = [[NSNumberFormatter alloc] init];
  formatter.numberStyle = NSNumberFormatterDecimalStyle;
  NSString *finish = [formatter stringFromNumber:amount];
  self.amountLabel.text = finish;
  }

1. +(NSString )setAmount:(NSString )string
   {
   NSString numberString= [NSString stringWithFormat:@”%.2f”,[string doubleValue]];
   NSNumberFormatter numberFormatter = [[NSNumberFormatter alloc] init];
   [numberFormatter setPositiveFormat:@”###,##0.00;”];
   NSString *formattedNumberString = [numberFormatter stringFromNumber:[NSNumber numberWithDouble:[numberString doubleValue]]];
   return formattedNumberString;
   }