Java 如何获取今天日期的所有条目?
嗨,我正在获取今天的所有条目。我为此编写了查询,但没有得到正确的条目。请解决我的问题。下面我写下我的代码。谢谢Java 如何获取今天日期的所有条目?,java,android,sql,Java,Android,Sql,嗨,我正在获取今天的所有条目。我为此编写了查询,但没有得到正确的条目。请解决我的问题。下面我写下我的代码。谢谢 public ArrayList<groups> fetchByTodayDate(){ String selectQuery = "SELECT * FROM " + DatabaseHelper.TABLE + " WHERE "+ DatabaseHelper.DATETIME + "<=date('now')"; Cursor cursor
public ArrayList<groups> fetchByTodayDate(){
String selectQuery = "SELECT * FROM " + DatabaseHelper.TABLE + " WHERE "+ DatabaseHelper.DATETIME + "<=date('now')";
Cursor cursor = database.rawQuery(selectQuery,null);
ArrayList<groups> all = new ArrayList<groups>();
if (cursor != null && cursor.moveToFirst()) {
do {
groups data = new groups();
smsdata.setMsgtext(cursor.getString(cursor.getColumnIndex(DatabaseHelper.TEXTMSG)));
smsdata.setSmsId(cursor.getString(cursor.getColumnIndex(DatabaseHelper._ID)));
all.add(data);
} while (cursor.moveToNext());
}
cursor.close();
return all;
}
public ArrayList fetchByTodayDate(){
String selectQuery=“SELECT*FROM”+DatabaseHelper.TABLE+”其中“+DatabaseHelper.DATETIME+”(“SELECT*FROM”+TABLE_name+”其中“+KEY_DATE+”=”“+DATE+””,null);请尝试此解决方案,用于今天的条目:-
String selectQuery = "SELECT * FROM " + DatabaseHelper.TABLE + " WHERE date(datetime("+ DatabaseHelper.DATETIME+"/1000, 'unixepoch','localtime'))=date('now')";
试试这个
public ArrayList<groups> fetchByTodayDate()
{
SQLiteDatabase db = this.getReadableDatabase();
ArrayList<groups> all = new ArrayList<>();
String selectQuery = "SELECT * FROM " + DatabaseHelper.TABLE;
Cursor cursor = db.rawQuery(selectQuery,null);
cursor.moveToFirst ();
while (!cursor.isAfterLast())
{
all.add(new groups (
cursor.getString(cursor.getColumnIndex(DatabaseHelper.TEXTMSG)),
cursor.getString(cursor.getColumnIndex(DatabaseHelper._ID))
));
cursor.moveToNext ();
}
cursor.close();
db.close();
return all;
}
public ArrayList fetchByTodayDate()
{
SQLiteDatabase db=this.getReadableDatabase();
ArrayList all=新的ArrayList();
String selectQuery=“SELECT*FROM”+DatabaseHelper.TABLE;
Cursor Cursor=db.rawQuery(selectQuery,null);
cursor.moveToFirst();
而(!cursor.isAfterLast())
{
全部。添加(新组)(
cursor.getString(cursor.getColumnIndex(DatabaseHelper.TEXTMSG)),
cursor.getString(cursor.getColumnIndex(DatabaseHelper.\u ID))
));
cursor.moveToNext();
}
cursor.close();
db.close();
全部归还;
}
hi我尝试了这个,但没有得到条目。在我的问题字符串中提到查询之前,selectQuery=“SELECT*FROM”+DatabaseHelper.TABLE+“WHERE”+DatabaseHelper.DATETIME+”只有今天的条目或少于今天的条目?只有今天的条目下面回答..@drkalin更改查询后,它还会提供今天日期和未来日期的记录,但我只需要今天的记录。