formatPercent static method

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

解析数字，转化为百分比 num 数字 locale 地域 解析结果：0.1234 -> 12.34%

Implementation

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