formatPermillage static method

String formatPermillage(
  1. num num, [
  2. String locale = 'en_US'
])

解析数字，转化为千分比 num 数字 locale 地域 解析结果：0.1234 -> 123.4‰

Implementation

static String formatPermillage(num num, [String locale = 'en_US']) {
  String pattern = '#.##‰';
  NumberFormat format = NumberFormat(pattern, locale);
  return format.format(num);
}