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私は、特定のデータをExcelアーカイブに保存するプログラムを開発しています。私はExcelファイル、シートを作成し、それに書き込むコードを書いた。私のコードは以下の通りです。問題は、アーカイブに書き込むときに、情報を挿入する行を指定する必要があることです。とにかく、コードを次の新しい空の行に自動的に挿入するようにしていますか？Excel - 次の空の行への自動入力
package de.vogella.java.excel.writer;
import java.io.File;
import java.io.IOException;
import java.util.Locale;
import jxl.CellView;
import jxl.Workbook;
import jxl.WorkbookSettings;
import jxl.format.UnderlineStyle;
import jxl.write.Formula;
import jxl.write.Label;
import jxl.write.Number;
import jxl.write.WritableCellFormat;
import jxl.write.WritableFont;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;
import jxl.write.WriteException;
import jxl.write.biff.RowsExceededException;
public class WriteExcel {
private WritableCellFormat timesBoldUnderline;
private WritableCellFormat times;
private String inputFile;
public void setOutputFile(String inputFile) {
this.inputFile = inputFile;
}
public void write() throws IOException, WriteException {
File file = new File(inputFile);
WorkbookSettings wbSettings = new WorkbookSettings();
wbSettings.setLocale(new Locale("en", "EN"));
WritableWorkbook workbook = Workbook.createWorkbook(file, wbSettings);
workbook.createSheet("Report", 0);
WritableSheet excelSheet = workbook.getSheet(0);
createLabel(excelSheet);
createContent(excelSheet);
workbook.write();
workbook.close(); }
private void createLabel(WritableSheet sheet)
throws WriteException {
// Lets create a times font
WritableFont times10pt = new WritableFont(WritableFont.TIMES, 10);
// Define the cell format
times = new WritableCellFormat(times10pt);
// Lets automatically wrap the cells
times.setWrap(true);
// create create a bold font with unterlines
WritableFont times10ptBoldUnderline = new WritableFont(WritableFont.TIMES, 10, WritableFont.BOLD, false,
UnderlineStyle.SINGLE);
timesBoldUnderline = new WritableCellFormat(times10ptBoldUnderline);
// Lets automatically wrap the cells
timesBoldUnderline.setWrap(true);
CellView cv = new CellView();
cv.setFormat(times);
cv.setFormat(timesBoldUnderline);
cv.setAutosize(true);
// Write a few headers
addCaption(sheet, 0, 0, "type");
addCaption(sheet, 1, 0, "result");
addCaption(sheet, 2, 0, "time");
addCaption(sheet, 3, 0, "date");}
private void createContent(WritableSheet sheet) throws WriteException,
RowsExceededException {
// Write a few number
for (int i = 1; i < 10; i++) {
// First column
addLabel(sheet, 0, i, "Boring text " + i);
// Second column
addNumber(sheet, 1, i, i * i);
// third column
addNumber(sheet, 2, i, i + 10);
//furth column
addNumber(sheet, 3, i, i * i);} }
private void addCaption(WritableSheet sheet, int column, int row, String s)
throws RowsExceededException, WriteException {
Label label;
label = new Label(column, row, s, timesBoldUnderline);
sheet.addCell(label); }
private void addNumber(WritableSheet sheet, int column, int row,
Integer integer) throws WriteException, RowsExceededException {
Number number;
number = new Number(column, row, integer, times);
sheet.addCell(number); }
private void addLabel(WritableSheet sheet, int column, int row, String s)
throws WriteException, RowsExceededException {
Label label;
label = new Label(column, row, s, times);
sheet.addCell(label);}
public static void main(String[] args) throws WriteException, IOException {
WriteExcel test = new WriteExcel();
test.setOutputFile("D:ghada.xls");
test.write();
System.out.println("Please check the result file under c:/temp/lars.xls "); }}