toTimeStampString method
Implementation
String toTimeStampString() {
///时间戳转日期
DateTime dateTime = DateTime.now();
///如果是十三位时间戳返回这个
if (toString().length == 13) {
dateTime = DateTime.fromMillisecondsSinceEpoch(this);
} else if (toString().length == 16) {
///如果是十六位时间戳
dateTime = DateTime.fromMicrosecondsSinceEpoch(this);
}
String dateTimeStr = dateTime.toString();
///去掉时间后面的:秒数.000
return dateTimeStr.substring(0, dateTimeStr.length - 7);
}