游标while循环返回除最后一个值以外的每个值

moveToNext（）具有两个功能。它返回一个布尔值，这标志着有 是 下一个，但在同一时间它会开始移动光标。

public void loadTrack() {SQLiteDatabase db1 = waypoints.getWritableDatabase();Cursor trackCursor = db1.query(TABLE_NAME, FROM, "trackidfk=1", null, null, null,ORDER_BY);    trackCursor.moveToFirst();    do {        Double lat = trackCursor.getDouble(2);        Double lon = trackCursor.getDouble(1);        //overlay.addGeoPoint( new GeoPoint( (int)(lat*1E6),  (int)(lon*1E6)));        System.out.println(lon);        System.out.println(lat);    } while (trackCursor.moveTonext());}