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我正在使用此代码将 Excel 文件中的值导入我的 Access 数据库。除了代码会读取所有单元格但不会将所有内容复制到访问表中之外，一切都运行良好。

（例如，-200 行读取成功，但只有 97 行进入数据库，代码停止，没有任何错误。）这里输入的描述是每行大约 100 个单词。

public class selector extends javax.swing.JFrame {

    final JFileChooser fc = new JFileChooser();
    File file;
    static String filename, query2, item;
    static String[][] itemss = new String[10000][10000];
    static double xxx;
    static datacon dc = new datacon();
    public static Statement st;

    static int i, j, rows = -1, p;

        private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {                                         
        try {
            try {
                // TODO add your handling code here:
                fileChose();
            } catch (SQLException ex) {
                Logger.getLogger(selector.class.getName()).log(Level.SEVERE, null, ex);
            } catch (FileNotFoundException ex) {
                Logger.getLogger(selector.class.getName()).log(Level.SEVERE, null, ex);
            }
        } catch (InvalidFormatException ex) {
            Logger.getLogger(selector.class.getName()).log(Level.SEVERE, null, ex);
        }

    }                                        
    public static String fileChose() throws InvalidFormatException, SQLException, FileNotFoundException {
        JFileChooser fc = new JFileChooser();
        FileNameExtensionFilter filter = new FileNameExtensionFilter("XLS files", "xls", "XLSX files", "xlsx");
        fc.setFileFilter(filter);
        int ret = fc.showOpenDialog(null);

        if (ret == JFileChooser.APPROVE_OPTION) {
            File file = fc.getSelectedFile();

            filename = file.getAbsolutePath();
            System.out.println(filename);

            work();
            return filename;
        } else {
            return null;
        }
    }

    static void work() throws InvalidFormatException, SQLException, FileNotFoundException {
        try {
            FileInputStream file = new FileInputStream(new File(filename));

            org.apache.poi.ss.usermodel.Workbook workbook = WorkbookFactory.create(file);
            org.apache.poi.ss.usermodel.Sheet sheet = workbook.getSheetAt(0);
            Iterator<Row> rowIterator = sheet.iterator();
            dc.connect();

            while (rowIterator.hasNext()) {
                Row row = rowIterator.next();
                rows++;
                i = 0;
                //For each row, iterate through all the columns 
                Iterator<Cell> cellIterator = row.cellIterator();
                while (cellIterator.hasNext()) {
                    Cell cell;
                    cell = cellIterator.next();

                    //Check the cell type and format accordingly 
                    switch (cell.getCellType()) {
                        case Cell.CELL_TYPE_NUMERIC:
                            xxx = cell.getNumericCellValue();
                            itemss[rows][i] = Double.toString(xxx);
                            break;
                        case Cell.CELL_TYPE_STRING:
                            item = "" + cell.getRichStringCellValue();
                            itemss[rows][i] = item;
                            break;
                        case Cell.CELL_TYPE_BLANK:
                            item = "" + cell.getRichStringCellValue();
                            itemss[rows][i] = item;
                            break;
                    }
                    System.out.println("coloumn " + i + " : " + itemss[rows][i]);
                    i++;
                }
            }
            file.close();

            for (j = 0; j < rows; j++) {
                String query = " INSERT INTO schedule ([counter],[description]) VALUES ('" + j + "','" + itemss[j][1] + "') ";
                st.executeUpdate(query);
                System.out.println(query);
            }

        } catch (Exception e) {
        }
    }
public static class datacon {

        public Connection con;
        // public Statement st;
        public ResultSet rs;

        public void connect() {
            try {
                Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
                con = DriverManager.getConnection("jdbc:odbc:database4");
                st = con.createStatement();

            } catch (Exception t) {
                System.out.println(t.toString());
            }

        }
    }
}

图片

4

2 回答 2

1

您的插入查询可能会引发异常。您没有记录它们：

    for (j = 0; j < rows; j++) {
            String query = " INSERT INTO schedule ([counter],[description]) VALUES ('" + j + "','" + itemss[j][1] + "') ";
            st.executeUpdate(query);
            System.out.println(query);
        }

    } catch (Exception e) {
        //no logging
    }

还work()声明了它可以抛出的异常，但整个实现都在 try catch

于 2014-07-01T11:22:40.950 回答
0

可能您的开关代码有问题。

添加一个默认值并检查代码是否在这部分通过以及单元格类型是什么。

像这样的东西：

default:
    System.out.println("Default case: "+ cell.getCellType());
于 2014-07-01T11:04:23.220 回答