AppTest.java
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package com.java110.user;
import com.java110.doc.annotation.Java110HeaderDoc;
import com.java110.doc.annotation.Java110ParamsDoc;
import com.java110.user.cmd.login.PcUserLoginCmd;
import com.java110.utils.util.DateUtil;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.springframework.core.annotation.AnnotationUtils;
import java.lang.annotation.Annotation;
import java.math.BigDecimal;
import java.util.Calendar;
import java.util.Date;
/**
* Unit test for simple App.
*/
public class AppTest
extends TestCase
{
/**
* Create the test case
*
* @param testName name of the test case
*/
public AppTest( String testName )
{
super( testName );
}
/**
* @return the suite of tests being tested
*/
public static Test suite()
{
return new TestSuite( AppTest.class );
}
public void testSplit(){
Class clazz = PcUserLoginCmd.class;
Java110ParamsDoc java110ParamsDoc = AnnotationUtils.findAnnotation(clazz,Java110ParamsDoc.class);
Java110HeaderDoc[] java110HeaderDocs = java110ParamsDoc.headers();
System.out.println(123);
}
/**
* Rigourous Test :-)
*/
public void testApp()
{
Date startTime = DateUtil.getDateFromStringA("2023-12-02 22:00:00");
Date endTime = DateUtil.getDateFromStringB("2024-03-01");
double month = dayCompare(startTime,endTime);
System.out.println(month * 129.13 * 2.4);
}
public static double dayCompare(Date fromDate, Date toDate) {
//todo 需要计算三端时间 相加即可
Date fromDateFirstDate = fromDate; // 第一个1日
Date toDateFirstDate = toDate; // 最后一个1日
boolean firstDay = true;
//todo 1.0 计算 fromDateFirstDate
Calendar fromDateCal = Calendar.getInstance();
fromDateCal.setTime(fromDate);
fromDateCal.set(Calendar.DAY_OF_MONTH, 1);
fromDateCal.set(Calendar.HOUR_OF_DAY,0);
fromDateCal.set(Calendar.MINUTE,0);
if (fromDate.getTime() > fromDateCal.getTime().getTime()) {
fromDateCal.add(Calendar.MONTH, 1);
firstDay = false;
fromDateFirstDate = fromDateCal.getTime();
}
//todo 2.0 计算 toDateFirstDate
Calendar toDateCal = Calendar.getInstance();
toDateCal.setTime(toDate);
toDateCal.set(Calendar.DAY_OF_MONTH, 1);
toDateCal.set(Calendar.HOUR_OF_DAY,0);
toDateCal.set(Calendar.MINUTE,0);
if (toDate.getTime() > toDateCal.getTime().getTime()) {
toDateFirstDate = toDateCal.getTime();
}
// todo 3.0 计算整数月 fromDateFirstDate ---> toDateFirstDate
Calendar from = Calendar.getInstance();
from.setTime(fromDateFirstDate);
Calendar to = Calendar.getInstance();
to.setTime(toDateFirstDate);
//比较月份差 可能有整数 也会负数
int result = to.get(Calendar.MONTH) - from.get(Calendar.MONTH);
//比较年差
int month = (to.get(Calendar.YEAR) - from.get(Calendar.YEAR)) * 12;
//真实 相差月份
result = result + month;
//todo 3.1 如果 fromDate 和toDate 是同一天 则直接返回整月，不再计算 4.0 和5.0
if (DateUtil.sameMonthDay(fromDate, toDate)) {
return firstDay ? result : result + 1;
}
// todo 4.0 计算 fromDate ---> fromDateFirstDate 的月份
double days = (fromDateFirstDate.getTime() - fromDate.getTime()) * 1.00 / (24 * 60 * 60 * 1000);
BigDecimal tmpDays = new BigDecimal(days); //相差天数
BigDecimal monthDay = new BigDecimal(DateUtil.getMonthDay(fromDate));
BigDecimal resMonth = tmpDays.divide(monthDay, 4, BigDecimal.ROUND_HALF_UP).add(new BigDecimal(result));
// todo 5.0 计算 toDateFirstDate ----> toDate 月份
days = (toDate.getTime() - toDateFirstDate.getTime()) * 1.00 / (24 * 60 * 60 * 1000);
tmpDays = new BigDecimal(days); //相差天数
monthDay = new BigDecimal(DateUtil.getMonthDay(toDate));
resMonth = tmpDays.divide(monthDay, 4, BigDecimal.ROUND_HALF_UP).add(resMonth);
return resMonth.doubleValue();
}
/**
* 计算 两个时间点月份
*
* @param fromDate 开始时间
* @param toDate 结束时间
* @return
*/
public double dayCompare1(Date fromDate, Date toDate) {
double resMonth = 0.0;
Calendar from = Calendar.getInstance();
from.setTime(fromDate);
Calendar to = Calendar.getInstance();
to.setTime(toDate);
//比较月份差 可能有整数 也会负数
int result = to.get(Calendar.MONTH) - from.get(Calendar.MONTH);
//比较年差
int month = (to.get(Calendar.YEAR) - from.get(Calendar.YEAR)) * 12;
//真实 相差月份
result = result + month;
//开始时间 2021-06-01 2021-08-05 result = 2 2021-08-01
Calendar newFrom = Calendar.getInstance();
newFrom.setTime(fromDate);
newFrom.add(Calendar.MONTH, result);
//如果加月份后 大于了当前时间 默认加 月份 -1 情况 12-19 21-01-10
//这个是神的逻辑一定好好理解
if (newFrom.getTime().getTime() > toDate.getTime()) {
newFrom.setTime(fromDate);
result = result - 1;
newFrom.add(Calendar.MONTH, result);
}
// t1 2021-08-01 t2 2021-08-05
long t1 = newFrom.getTime().getTime();
long t2 = to.getTime().getTime();
//相差毫秒
double days = (t2 - t1) * 1.00 / (24 * 60 * 60 * 1000);
BigDecimal tmpDays = new BigDecimal(days); //相差天数
BigDecimal monthDay = null;
Calendar newFromMaxDay = Calendar.getInstance();
newFromMaxDay.set(newFrom.get(Calendar.YEAR), newFrom.get(Calendar.MONTH), 1, 0, 0, 0);
newFromMaxDay.add(Calendar.MONTH, 1); //下个月1号
//在当前月中 这块有问题
if (toDate.getTime() < newFromMaxDay.getTime().getTime()) {
monthDay = new BigDecimal(newFrom.getActualMaximum(Calendar.DAY_OF_MONTH));
return tmpDays.divide(monthDay, 4, BigDecimal.ROUND_HALF_UP).add(new BigDecimal(result)).doubleValue();
}
// 上月天数
days = (newFromMaxDay.getTimeInMillis() - t1) * 1.00 / (24 * 60 * 60 * 1000);
tmpDays = new BigDecimal(days);
monthDay = new BigDecimal(newFrom.getActualMaximum(Calendar.DAY_OF_MONTH));
BigDecimal preRresMonth = tmpDays.divide(monthDay, 4, BigDecimal.ROUND_HALF_UP);
//下月天数
days = (t2 - newFromMaxDay.getTimeInMillis()) * 1.00 / (24 * 60 * 60 * 1000);
tmpDays = new BigDecimal(days);
monthDay = new BigDecimal(newFromMaxDay.getActualMaximum(Calendar.DAY_OF_MONTH));
resMonth = tmpDays.divide(monthDay, 4, BigDecimal.ROUND_HALF_UP).add(new BigDecimal(result)).add(preRresMonth).doubleValue();
return resMonth;
}
}