NSNumber格式化转换为NSString添加千位分隔符

将数字“1234567”格式化为“1,234,567”。

 
  1 NSNumberFormatter* numberFormatter = [[NSNumberFormatter alloc] init]; 
  
 
  2 [numberFormatter setFormatterBehavior: NSNumberFormatterBehavior10_4]; 
  
 
  3 [numberFormatter setNumberStyle: NSNumberFormatterDecimalStyle]; 
  
 
  4 NSString *numberString = [numberFormatter stringFromNumber: [NSNumber numberWithInteger: 1234567]];