我有一个将一些数据插入到表中的程序。
在我的表格中,我显示了如下输出的日期和星期数(丹麦语)
至乌格 42
TO 是当天的名称
Uge 是星期
42 是周数。
我想做的是让 TO 成为 TOR(Torsdag 的缩写,这是星期四的丹麦语)
我的代码目前看起来像这样:
"DY' || ' ' || '\"Uge\" '|| 'IW";
Orcle 中是否有任何 whay 可以将日期作为 3 个字母的字符串获取,还是我必须制作字符串的子字符串并更改它?
更新我的程序中添加的 SQL 代码
String sql =
"SELECT " +
" TO_CHAR(MIN(TIDSPUNKT),'"+getDateDescriptionFormat(when)+"') AS PERIOD, " +
" NVL(QUEUE,' ') AS QUEUE, " +
" NVL(SUM(ANTAL_KALD),0) AS CALLS, " +
" NVL(SUM(ANTAL_BESVARET),0) AS ANSWERED_CALLS, " +
" NVL(SUM(BESVARET_25_SEK),0) AS ANSWERED_CALLS_25_SEC, " +
" NVL(SUM(INTERN_KALD),0) AS INTERNAL_CALLS " +
"FROM " +
" KS_DRIFT.PERO_NKM_KØ_OVERSIGT " +
"WHERE " +
" TIDSPUNKT >= '"+getStartDate(start,when)+"' AND " +
" TIDSPUNKT <= '"+ slut+"' AND " +
" TO_CHAR(TIDSPUNKT,'DY') NOT IN ('AB') " +
"GROUP BY " +
" TRUNC(TIDSPUNKT,'"+getDateFormatString(when)+"'), " +
" QUEUE " +
"ORDER BY " +
" PERIOD
获取日期描述格式:
private String getDateDescriptionFormat(char when){
if (when == 'D')return "DY' || ' ' || '\"Uge\" '|| 'IW";
if (when == 'W')return "\"Uge\" '||'IW";
if (when == 'M')return "Mon.' || ' ' || 'YYYY";
if (when == 'Y')return "YYYY";
return null;
}
请注意,我没有让我的前同事做这个代码,它很乱!