iscas.tca.ake.demoapp.mvc.module.tools.fileoperator.ExcelWriter2.java Source code

Java tutorial

Introduction

Here is the source code for iscas.tca.ake.demoapp.mvc.module.tools.fileoperator.ExcelWriter2.java

Source

package iscas.tca.ake.demoapp.mvc.module.tools.fileoperator;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;

import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;

/**
 * <>
 * @author zn
 * @CreateTime 2014-8-2411:32:38
 */
/*
 * Copyright (c) 20014-2041 Institute Of Software Chinese Academy Of Sciences
 * All rights reserved.
 *
 * Permission is hereby granted, free  of charge, to any person obtaining
 * a  copy  of this  software  and  associated  documentation files  (the
 * "Software"), to  deal in  the Software without  restriction, including
 * without limitation  the rights to  use, copy, modify,  merge, publish,
 * distribute,  sublicense, and/or sell  copies of  the Software,  and to
 * permit persons to whom the Software  is furnished to do so, subject to
 * the following conditions:
 *
 * The  above  copyright  notice  and  this permission  notice  shall  be
 * included in all copies or substantial portions of the Software.
 *
 * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
 * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
 * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * @Organization: http://tca.iscas.ac.cn/
 * @author: Nan Zhou
 * @Aknowledge: Tutor Liwu Zhang , Alumnus Yan Zhang, Zhigang Gao
 * @Email: changchangge123@qq.com
 */
public class ExcelWriter2 extends IfcExcelWriter {

    @Override
    public void saveData() {
        // TODO Auto-generated method stub
        try {
            FileOutputStream fos = new FileOutputStream(this.filePath);
            this.workbook.write(fos);
            fos.flush();
        } catch (Exception e) {
            System.out.println("saveData error:" + this.filePath);
            e.printStackTrace();
        }
    }

    /**
     * TODO:<sheet>
     * @return sheet
     */
    public int getLastRowNum() {
        return this.sheet.getLastRowNum();
    }

    /**
     * TODO:<row>
     * @param row
     * @return -1col
     */
    public int getLastColNum(int row) {
        Row sheetRow = this.sheet.getRow(row);
        if (sheetRow == null) {
            return 0;
        } else {
            return sheetRow.getLastCellNum();
        }
    }

    @Override
    public void writeToCell(String s) {
        // TODO Auto-generated method stub
        System.out.print("ignore(not implements)");
    }

    @Override
    public void writeToCell(int row, int col, String s) {
        // TODO Auto-generated method stub
        if (isInit()) {
            Row sheetRow = this.sheet.getRow(row);
            //Row
            if (sheetRow == null) {
                sheetRow = this.sheet.createRow(row);
            }
            sheetRow.createCell(col).setCellValue(s);
        } else {
            System.out.print("\n");
        }
    }

    @Override
    public void openWorkbook(String filePath) {
        // TODO Auto-generated method stub
        if (filePath.trim().toLowerCase().endsWith("xlsx")) {
            this.filePath = filePath;//
            try {
                File file = new File(filePath);
                if (file.exists()) {//
                    this.workbook = new XSSFWorkbook(new FileInputStream(filePath));
                    this.sheet = this.workbook.getSheet(defaultSheet);
                } else {//
                    this.workbook = new XSSFWorkbook();
                    this.sheet = this.workbook.createSheet(defaultSheet);

                }
            } catch (Exception e) {
                System.out.println("openWorkbook Error:" + filePath);
                e.printStackTrace();
            }
        } else {
            System.out.println(":" + filePath);
        }

    }

    @Override
    public boolean isInit() {
        // TODO Auto-generated method stub
        return super.isInit();
    }

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        ExcelWriter2 ew2 = new ExcelWriter2();
        ew2.openWorkbook("F:\\data.xlsx");
        ew2.writeToCell(2, 2, "excelwriter2");
        ew2.saveData();
    }

}