如何获取日期格式，如yyyy-mm-dd am in java [英] how to get date format like yyyy-mm-dd am in java

问题描述

我需要获得如下日期格式：

I need to get date format like:

"yyyy-mm-dd am"

或

"yyyy-mm-dd pm"

在Java for Android中

In Java for Android

我不需要当前时间，只需 yyyy-mm-dd 加上午 / 下午

I do not need current time, only yyyy-mm-dd plus am/pm

如何直接制作？

我使用以下方法获取当前日期：

i use the method below to get current date:

    private static String getDate(){
        Calendar c = Calendar.getInstance();
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-mm-dd");
        return sdf.format(c.getTime());
    }

推荐答案

您应该使用以下这些行代码... SimpleDateFormat 只有一个问题，就是当你将设备语言改为另一种语言而不是 SimpleDateFormat 时，字符串也会随着语言的变化而变化可以在您的应用程序中创建问题。因此，如果您不希望根据应用程序语言更改而不是使用更改日期字符串，建议您使用下面对你有帮助的概念或者只是简单地使用 SimpleDateFormat 来不将应用程序语言更改为另一个语言。

You should use these below lines of code...There is only one problem with the SimpleDateFormat is that when ever you change the device language to another language than SimpleDateFormat's string also changes with the language which can create problem in yours application..Therefore i suggest you if you do not want to change the date string according the application language changes than Use below concept which become helpful for you Or Just simply use SimpleDateFormat for not changing the application language to another langauge.

     Calendar ci = Calendar.getInstance();
     String AM_PM;

      if(ci.get(Calendar.AM_PM)==0)
        {
             AM_PM ="AM";
        }
        else
        {
             AM_PM ="PM";
        }
        String CiDateTime = "" + ci.get(Calendar.YEAR) + "-" + 
            (ci.get(Calendar.MONTH) + 1) + "-" +
            ci.get(Calendar.DAY_OF_MONTH)+" "+AM_PM;

         System.out.println("time=========================================="+CiDateTime);

输出： -

 time==========================================2015-5-20 PM

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