java - 以特定格式打印java日期

Question

嗨，我想在 android textview 中以“4 月 23 日星期一”的格式打印日期，我也想打印前几天的日期。例如:“4 月 22 日星期日”、“4 月 21 日星期六”。我发现了很多，但无法得到任何可以以相同格式工作的东西。提前致谢。

Answer 1

看看: SimpleDateFormat

PS:回答乔恩·斯基特的问题:

private static final String DATE_FORMAT_ND  = "EEE d'nd' MMMM";
private static final String DATE_FORMAT_RD  = "EEE d'rd' MMMM";
private static final String DATE_FORMAT_ST  = "EEE d'st' MMMM";
private static final String DATE_FORMAT_TH  = "EEE d'th' MMMM";
private static final String DATE_DAY_NUMBER = "d";

public static String FormatDate( Date date_ )
{
    String              format          = null;
    SimpleDateFormat    dayNumberFormat = new SimpleDateFormat( DATE_DAY_NUMBER );
    String              daySource       = dayNumberFormat.format( date_ );
    int                 day             = Integer.parseInt( daySource );

    switch( day )
    {
    case 1:
    case 21:
    case 31:
        format  = DATE_FORMAT_ST;
        break;

    case 2:
    case 22:
        format  = DATE_FORMAT_ND;
        break;

    case 3:
    case 23:
        format  = DATE_FORMAT_RD;
        break;

    case 4:
    case 24:
    case 5:
    case 25:
    case 6:
    case 26:
    case 7:
    case 27:
    case 8:
    case 28:
    case 9:
    case 29:
    case 10:
    case 30:
        format  = DATE_FORMAT_TH;
        break;

    }

    SimpleDateFormat    dateFormat  = new SimpleDateFormat( format );
    String              result      = dateFormat.format( date_ );

    return result;

}

只有简单的日期格式和一点点编码......

Call it like this for yesterdays date :- date.setText(FormatDate(new Date(new Date().getTime()-86400000)));