public static void textToDate() {
String s1="2018-05-08";
String s2="2018-8-9";
String s3="2018-10-12";
LocalDate d1 = LocalDate.parse(s1);
//使用自定義的格式可以對上面三種類型的格式通用,都可以轉成localdate格式;
DateTimeFormatter ofPattern = DateTimeFormatter.ofPattern("yyyy-M-d");
LocalDate d2 = LocalDate.parse(s1,ofPattern);
LocalDate d3 = LocalDate.parse(s2,ofPattern);
LocalDate d4 = LocalDate.parse(s3,ofPattern);
System.out.println(d1);
System.out.println(d2);
System.out.println(d3);
System.out.println(d4);
// 2018-05-08
// 2018-05-08
// 2018-08-09
// 2018-10-12
}
public static void textToDateTime() {
String t1="2018-2-1 1:1:1";
String t2="2018-11-11 11:11:11";
String t3="2018-8-9 11:11:11";
String t4="2018-12-11T11:11:11";
DateTimeFormatter ofPattern = DateTimeFormatter.ofPattern("yyyy-M-d H:m:s");
LocalDateTime parse1 = LocalDateTime.parse(t1,ofPattern);
System.out.println(parse1);
LocalDateTime parse2 = LocalDateTime.parse(t2,ofPattern);
System.out.println(parse2);
LocalDateTime parse3 = LocalDateTime.parse(t3,ofPattern);
System.out.println(parse3);
LocalDateTime parse4 = LocalDateTime.parse(t4);
System.out.println(parse4);
// 2018-02-01T01:01:01
// 2018-11-11T11:11:11
// 2018-08-09T11:11:11
// 2018-12-11T11:11:11
}