timeStampToString static method
时间戳转换格式
Implementation
static String timeStampToString(timestamp, format) {
assert(timestamp != null);
int time = 0;
if (timestamp is int) {
time = timestamp;
} else {
time = int.parse(timestamp.toString());
}
if (format == null) {
format = 'yyyy-MM-dd HH:mm:ss';
}
DateFormat dateFormat = new DateFormat(format);
var date = new DateTime.fromMillisecondsSinceEpoch(time);
return dateFormat.format(date);
}