本文整理汇总了Java中java.time.LocalDateTime.minusNanos方法的典型用法代码示例。如果您正苦于以下问题：Java LocalDateTime.minusNanos方法的具体用法？Java LocalDateTime.minusNanos怎么用？Java LocalDateTime.minusNanos使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类java.time.LocalDateTime的用法示例。
在下文中一共展示了LocalDateTime.minusNanos方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: test_for_issue
import java.time.LocalDateTime; //导入方法依赖的package包/类
public void test_for_issue() throws Exception {
TestBean test = new TestBean();
String stime2 = "2017-09-22 15:08:56";
LocalDateTime time1 = LocalDateTime.now();
time1 = time1.minusNanos(10L);
System.out.println(time1.getNano());
LocalDateTime time2 = LocalDateTime.parse(stime2, DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss", Locale.CHINA));
test.setTime1(time1);
test.setTime2(time2);
String t1 = JSON.toJSONString(time1, SerializerFeature.WriteDateUseDateFormat);
String json = JSON.toJSONString(test, SerializerFeature.WriteDateUseDateFormat);
Assert.assertEquals("{\"time1\":"+t1+",\"time2\":\""+stime2+"\"}",json);
//String default_format = JSON.DEFFAULT_LOCAL_DATE_TIME_FORMAT;
//JSON.DEFFAULT_LOCAL_DATE_TIME_FORMAT = "yyyy-MM-dd HH:mm:ss";
//String stime1 = DateTimeFormatter.ofPattern(JSON.DEFFAULT_LOCAL_DATE_TIME_FORMAT, Locale.CHINA).format(time1);
json = JSON.toJSONString(test, SerializerFeature.WriteDateUseDateFormat);
Assert.assertEquals("{\"time1\":"+ JSON.toJSONString(time1, SerializerFeature.WriteDateUseDateFormat) +",\"time2\":\""+stime2+"\"}",json);
String pattern = "yyyy-MM-dd HH:mm:ss";
String stime1 = DateTimeFormatter.ofPattern(pattern, Locale.CHINA).format(time1);
json = JSON.toJSONStringWithDateFormat(test, "yyyy-MM-dd HH:mm:ss", SerializerFeature.WriteDateUseDateFormat);
Assert.assertEquals("{\"time1\":\""+stime1+"\",\"time2\":\""+stime2+"\"}",json);
//JSON.DEFFAULT_LOCAL_DATE_TIME_FORMAT = default_format;
}
示例2: test_minusNanos_halfABillion
import java.time.LocalDateTime; //导入方法依赖的package包/类
@Test
public void test_minusNanos_halfABillion() {
LocalDateTime t = TEST_2007_07_15_12_30_40_987654321.with(LocalTime.MIDNIGHT);
LocalDate d = t.toLocalDate().minusDays(1);
int hour = 0;
int min = 0;
int sec = 0;
int nanos = 0;
for (long i = 0; i < 3700 * 1000000000L; i+= 500000000) {
t = t.minusNanos(500000000);
nanos -= 500000000;
if (nanos < 0) {
sec--;
nanos += 1000000000;
if (sec == -1) {
min--;
sec += 60;
if (min == -1) {
hour--;
min += 60;
if (hour == -1) {
hour += 24;
}
}
}
}
assertEquals(t.toLocalDate(), d);
assertEquals(t.getHour(), hour);
assertEquals(t.getMinute(), min);
assertEquals(t.getSecond(), sec);
assertEquals(t.getNano(), nanos);
}
}
示例3: test_minusNanos_fromZero
import java.time.LocalDateTime; //导入方法依赖的package包/类
@Test(dataProvider="minusNanos_fromZero")
public void test_minusNanos_fromZero(long nanoseconds, LocalDate date, int hour, int min, int sec, int nanos) {
LocalDateTime base = TEST_2007_07_15_12_30_40_987654321.with(LocalTime.MIDNIGHT);
LocalDateTime t = base.minusNanos(nanoseconds);
assertEquals(date, t.toLocalDate());
assertEquals(hour, t.getHour());
assertEquals(min, t.getMinute());
assertEquals(sec, t.getSecond());
assertEquals(nanos, t.getNano());
}
示例4: testClac
import java.time.LocalDateTime; //导入方法依赖的package包/类
/**
* 时间计算,减法操作
*/
@Test
public void testClac(){
LocalDateTime ldt = LocalDateTime.now();
System.out.println(ldt);
// 减: 天
LocalDateTime days = ldt.minusDays(1);
System.out.println("day: " + days);
// 减: 小时
LocalDateTime hours = ldt.minusHours(1);
System.out.println("hours: " + hours);
// 减: 分钟
LocalDateTime minutes = ldt.minusMinutes(1);
System.out.println("minutes: " + minutes);
// 减: 月
LocalDateTime months = ldt.minusMonths(1);
System.out.println("months: " + months);
// 减: 纳秒
LocalDateTime nanos = ldt.minusNanos(1);
System.out.println("nanos: " + nanos);
// 减: 秒
LocalDateTime seconds = ldt.minusSeconds(1);
System.out.println("seconds: " + seconds);
// 减: 周
LocalDateTime weeks = ldt.minusWeeks(1);
System.out.println("weeks: " + weeks);
// 减: 年
LocalDateTime years = ldt.minusYears(1);
System.out.println("years: " + years);
System.out.println(ldt);
}