org.openurp.edu.other.service.impl.OtherExamExportServiceImpl.java Source code

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Here is the source code for org.openurp.edu.other.service.impl.OtherExamExportServiceImpl.java

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/*
 * OpenURP, Agile Development Scaffold and Toolkit
 *
 * Copyright (c) 2005-2015, OpenURP Software.
 *
 * OpenURP is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * OpenURP is distributed in the hope that it will be useful.
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with OpenURP.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.openurp.edu.other.service.impl;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Iterator;
import java.util.List;

import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFCellStyle;
import org.apache.poi.hssf.usermodel.HSSFFont;
import org.apache.poi.hssf.usermodel.HSSFRichTextString;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.openurp.edu.other.service.OtherExamExportService;

public class OtherExamExportServiceImpl extends OtherExamExportService {

    // ?
    private String xlsTemplatePath;

    // 
    private List<String> titles;

    // ?
    private List<Object[]> datas;

    // ?
    private OutputStream ofs;

    // ?,9
    private HSSFCellStyle style_hirizonal_common;

    // ?,9
    private HSSFCellStyle style_hirizonal_bold;

    // 
    public synchronized void exportExcel() throws IOException {
        ClassLoader classLoader = this.getClass().getClassLoader();
        InputStream ifs = classLoader.getResourceAsStream(xlsTemplatePath);

        // workbook,xls
        HSSFWorkbook workbook = prepareWorkbook(ifs);
        HSSFSheet sheet = workbook.getSheetAt(0);
        // 
        prepareStyleAndFont(workbook);
        // 
        xlsTitle(sheet);
        // 
        xlsDatas(sheet);

        workbook.write(ofs);
        ifs.close();
        ofs.close();
    }

    /**
     * 
     * 
     * @param sheet
     */
    private void xlsTitle(HSSFSheet sheet) {
        HSSFRow titleRow = sheet.createRow(0);
        for (int i = 0; i < titles.size(); i++) {
            HSSFCell cell = titleRow.createCell((short) i);
            cell.setCellValue(new HSSFRichTextString((String) titles.get(i)));
            cell.setCellStyle(style_hirizonal_bold);
        }
    }

    private void xlsDatas(HSSFSheet sheet) {
        int startRow = 1;
        for (Iterator<Object[]> iterator = datas.iterator(); iterator.hasNext();) {
            Object[] data = iterator.next();
            HSSFRow row = sheet.createRow(startRow);
            int cellCol = 0;
            for (int i = 0; i < data.length; i++) {
                HSSFCell cell = row.createCell((short) cellCol);
                cell.setCellStyle(style_hirizonal_common);
                if (null != data[i]) {
                    String object = data[i].toString();
                    cell.setCellValue(new HSSFRichTextString(object));
                } else {
                    cell.setCellValue(new HSSFRichTextString(""));
                }
                cellCol++;
            }
            startRow++;
        }
    }

    private void prepareStyleAndFont(HSSFWorkbook workbook) {
        HSSFFont font_common = xlsFont(workbook, "", (short) 11);
        style_hirizonal_common = xlsBorderStyle(workbook, "", 0);
        style_hirizonal_common.setAlignment(HSSFCellStyle.ALIGN_CENTER);
        style_hirizonal_common.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);
        style_hirizonal_common.setFont(font_common);
        style_hirizonal_common.setWrapText(true);

        HSSFFont font_bold = xlsFont(workbook, "", (short) 11);
        font_bold.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);
        style_hirizonal_bold = xlsBorderStyle(workbook, "", 0);
        style_hirizonal_bold.setAlignment(HSSFCellStyle.ALIGN_CENTER);
        style_hirizonal_bold.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);
        style_hirizonal_bold.setFont(font_bold);
    }

    public String getXlsTemplatePath() {
        return xlsTemplatePath;
    }

    public void setXlsTemplatePath(String xlsTemplatePath) {
        this.xlsTemplatePath = xlsTemplatePath;
    }

    public List<String> getTitles() {
        return titles;
    }

    public void setTitles(List<String> titles) {
        this.titles = titles;
    }

    public OutputStream getOfs() {
        return ofs;
    }

    public void setOfs(OutputStream ofs) {
        this.ofs = ofs;
    }

    public List<Object[]> getDatas() {
        return datas;
    }

    public void setDatas(List<Object[]> datas) {
        this.datas = datas;
    }

}