小编HOe*_*ald的帖子

好的,这是我的代码

public static ArrayList getMaterialerFraOrdreNr(String s_date, String e_date) throws SQLException, InterruptedException {
    int tal = 0;

    ArrayList nameOfColumns = getNameOfColumns();                     // name of columns
    ArrayList orderNumber = getOrdre_Nr_FromDB(s_date, e_date);           // order number 

    //første loop kører gennem number of columns
    //anden loop kører gennem name of column
    ResultSet rs = null;
    Connection con = null;

    try {
        Class.forName(DB.driver);
        con = DriverManager.getConnection(DB.URL, DB.ID, DB.PW);

        for (int i = 1; i < orderNumber.size(); i++) {
            for (int j = 1; j < nameOfColumns.size(); …