formatFromString static method

String? formatFromString(
  1. String formattedString, [
  2. String formatString = 'yyyy-MM-dd HH:mm:ss'
])

通过字符串获得格式化的字符串

如果字符串不合法，返回null

Implementation

static String? formatFromString(String formattedString,
    [String formatString = 'yyyy-MM-dd HH:mm:ss']) {
  final dt = DateTime.tryParse(formattedString);

  if (dt == null) return null;

  return DateFormat(formatString, "zh_CN").format(dt);
}