在Android的日期比较 [英] Date comparison in android

问题描述

我现在面临在比较当前日期一些问题，这是从Database.I检索刚刚从检索数据库的日期，并存储在像这样的日期变量的日期

I'm facing some problems in comparing the current date and the date which is retrieved from Database.I just retrieved date from DataBase and Stored in a Date variable like this

String due_date_task = cursor.getString(cursor.getColumnIndex(dueDateOfTask));

SimpleDateFormat currentFormater = new SimpleDateFormat("dd/MM/yyyy");
Date date1 = currentFormater.parse(due_date_task);

现在，我想是应该检查这是从数据库中检索日期是否等于或的currentdate没有。

Now,what i want is should check whether date which is retrieved from DataBase is Equivalent to CurrentDate or not.

Calendar currentDate = Calendar.getInstance();
Date date2 = currentDate.getTime();

if(date1.equals(date2)) 

的System.out.println（今天的任务）;

System.out.println("Today Task");

我只是想检查像this.Thanks提前

i just want to check like this.Thanks in advance

推荐答案

您可以使用此功能：

private boolean compareDates(Calendar objCal1, Calendar objCal2) {

  return ((objCal1.get(Calendar.YEAR) == objCal2.get(Calendar.YEAR))
    && (objCal1.get(Calendar.DAY_OF_YEAR) == objCal2.get(Calendar.DAY_OF_YEAR)));
}

创建日历对象：

Calendar objCal1 = new GregorianCalendar().setTime(date);
Calendar objCal2 = new GregorianCalendar().setTime(date1);

这篇关于在Android的日期比较的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！