如何检查日期是否超过七天

时间:2015-05-13 06:55:41

标签: java date compare

我想检查两个日期是否超过一周,例如,检查两个日期是否有七天,

此时数据范围应仅在一周内(7天)。

我尝试过这样的事情,

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

public class IsDateRangeExceedsWeek 
{
    public static void main( String[] args ) 
    {
        try{

            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
            Date fromDate = sdf.parse("2015-05-01");
            Date toDate = sdf.parse("2015-05-07");

            System.out.println(sdf.format(fromDate));
            System.out.println(sdf.format(toDate));

            if(fromDate.compareTo(toDate)>0){
                System.out.println("From Date should be less than To Date");
            } else if(fromDate.compareTo(toDate)==0){
                System.out.println("From Date is equal to To Date");
            } 

        }catch(ParseException ex){
            ex.printStackTrace();
        }
    }
}

有人能帮忙吗?

3 个答案:

答案 0 :(得分:9)

使用Java 8及更高版本中内置的 java.time 类:

LocalDate from = LocalDate.parse("2015-05-01");
LocalDate to = LocalDate.parse("2015-05-07");

long days = ChronoUnit.DAYS.between(from, to);    // 6 days
long weeks = ChronoUnit.WEEKS.between(from, to);  // 0 weeks

答案 1 :(得分:7)

最简单的方法是使用Jodatime并使用

-seconds

另一种解决方案是使用日历,添加7天并再次进行比较。

Days.daysBetween(start, end).getDays()

答案 2 :(得分:5)

您可以尝试这样:

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle"
>


    <corners
android:bottomLeftRadius="8dp"
android:bottomRightRadius="8dp"
android:topLeftRadius="8dp"
android:topRightRadius="8dp" />
    <padding

        android:left="8dp"
        android:top="8dp"
        android:right="8dp"
        android:bottom="8dp" />
</shape>

检查JodaTime API