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excel导出

//输出类
package em.util;

import java.io.*;

import jxl.LabelCell;
import jxl.Workbook;
import jxl.write.Label;
import jxl.write.WritableCellFormat;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;
import jxl.write.WriteException;
import jxl.write.biff.RowsExceededException;
import jxl.write.Number;
import jxl.write.Boolean;
import jxl.write.DateTime;
import jxl.write.DateFormats;
import java.util.Date;
import java.util.List;

import java.io.IOException;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import jxl.Workbook;
import jxl.format.Alignment;
import jxl.format.Border;
import jxl.format.BorderLineStyle;
import jxl.format.Colour;
import jxl.format.VerticalAlignment;
import jxl.write.Label;
import jxl.write.WritableCellFormat;
import jxl.write.WritableFont;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;

import jxl.write.NumberFormats;
import java.util.Calendar;
import java.text.SimpleDateFormat;
import java.io.*;
import java.util.*;

public class ComplexDataExcelWrite {

 private WritableFont NormalFont, BoldFont, tableFont, baodanFont;
 private WritableCellFormat wcf_title, wcf_tabletitle, wcf_baodan, wcf_left, wcf_center;
 private WritableCellFormat wcf_merge, wcf_right, wcf_table, dtCellFormat;
 private static ComplexDataExcelWrite instance = null;

 private ComplexDataExcelWrite() {

 }

 public static synchronized ComplexDataExcelWrite getInstance() throws WriteException, IOException {

  try {
   if (instance == null) {
    instance = new ComplexDataExcelWrite();
    instance.formatFont();
    instance.formatTableCell();

   }
   return instance;
  } catch (Exception e) {
   return null;
  }

 }

 private void formatFont() {
  /** ************设置单元格字体************** */
  // 字体
  NormalFont = new WritableFont(WritableFont.ARIAL, 10);
  BoldFont = new WritableFont(WritableFont.ARIAL, 14, WritableFont.BOLD);
  tableFont = new WritableFont(WritableFont.ARIAL, 12, WritableFont.NO_BOLD);
  baodanFont = new WritableFont(WritableFont.ARIAL, 10, WritableFont.BOLD);
 }

 private void formatTableCell() throws WriteException, IOException {
  /** ************以下设置几种格式的单元格************ */
  try {
   // 用于标题
   wcf_title = new WritableCellFormat(BoldFont);
   wcf_title.setBorder(Border.NONE, BorderLineStyle.THIN); // 线条
   wcf_title.setVerticalAlignment(VerticalAlignment.CENTRE); // 垂直对齐
   wcf_title.setAlignment(Alignment.CENTRE); // 水平对齐
   wcf_title.setWrap(true); // 是否换行

   // 用于标题
   wcf_tabletitle = new WritableCellFormat(tableFont);
   wcf_tabletitle.setBorder(Border.NONE, BorderLineStyle.THIN); // 线条
   wcf_tabletitle.setVerticalAlignment(VerticalAlignment.CENTRE); // 垂直对齐
   wcf_tabletitle.setAlignment(Alignment.CENTRE); // 水平对齐
   wcf_tabletitle.setWrap(true); // 是否换行

   // 用于保单标题
   wcf_baodan = new WritableCellFormat(baodanFont);
   wcf_baodan.setBorder(Border.ALL, BorderLineStyle.THIN); // 线条
   wcf_baodan.setVerticalAlignment(VerticalAlignment.CENTRE); // 垂直对齐
   wcf_baodan.setAlignment(Alignment.CENTRE);
   wcf_baodan.setWrap(true); // 是否换行

   // 用于正文左
   wcf_left = new WritableCellFormat(NormalFont);
   wcf_left.setBorder(Border.ALL, BorderLineStyle.THIN); // 线条
   wcf_left.setVerticalAlignment(VerticalAlignment.CENTRE); // 垂直对齐
   wcf_left.setAlignment(Alignment.LEFT);
   wcf_left.setWrap(true); // 是否换行

   // 用于正文左
   wcf_center = new WritableCellFormat(NormalFont);
   wcf_center.setBorder(Border.ALL, BorderLineStyle.THIN); // 线条
   wcf_center.setVerticalAlignment(VerticalAlignment.CENTRE); // 垂直对齐
   wcf_center.setAlignment(Alignment.CENTRE);
   wcf_center.setWrap(true); // 是否换行

   // 用于正文右
   wcf_right = new WritableCellFormat(NormalFont);
   wcf_right.setBorder(Border.ALL, BorderLineStyle.THIN); // 线条
   wcf_right.setVerticalAlignment(VerticalAlignment.CENTRE); // 垂直对齐
   wcf_right.setAlignment(Alignment.RIGHT);
   wcf_right.setWrap(false); // 是否换行

   // 用于跨行
   wcf_merge = new WritableCellFormat(NormalFont);
   wcf_merge.setBorder(Border.ALL, BorderLineStyle.THIN); // 线条
   wcf_merge.setVerticalAlignment(VerticalAlignment.TOP); // 垂直对齐
   wcf_merge.setAlignment(Alignment.LEFT);
   wcf_merge.setWrap(true); // 是否换行

   wcf_table = new WritableCellFormat(NormalFont);
   wcf_table.setBorder(Border.ALL, BorderLineStyle.THIN); // 线条
   wcf_table.setVerticalAlignment(VerticalAlignment.CENTRE); // 垂直对齐
   wcf_table.setAlignment(Alignment.CENTRE);
   wcf_table.setBackground(Colour.GRAY_25);
   wcf_table.setWrap(true); // 是否换行

   // 时间格式
   dtCellFormat = new WritableCellFormat(DateFormats.FORMAT1);
   dtCellFormat.setBorder(Border.ALL, BorderLineStyle.THIN); // 线条
   dtCellFormat.setVerticalAlignment(VerticalAlignment.CENTRE); // 垂直对齐
   dtCellFormat.setAlignment(Alignment.CENTRE);
   dtCellFormat.setBackground(Colour.GRAY_25);
   dtCellFormat.setWrap(true); // 是否换行
  } catch (Exception e) {

  }
 }

 private void formatSheetColView(WritableSheet sheet) throws WriteException, IOException {
  try {
   /** *********设置列宽**************** */
   sheet.setColumnView(0, 15); // 第1列
   sheet.setColumnView(1, 15); // 第2列
   sheet.setColumnView(2, 15);
   sheet.setColumnView(3, 15);
   sheet.setColumnView(4, 15);
   sheet.setColumnView(5, 15);

   // 设置页边距
   sheet.getSettings().setRightMargin(0.5);
  } catch (Exception e) {
   // TODO: handle exception
  }
 }

 public void creatExcel(List list, OutputStream os) throws WriteException, IOException {
  try {
   WritableWorkbook workbook = Workbook.createWorkbook(os);

   WritableSheet sheet = workbook.createSheet("first sheet", 0);

   formatSheetColView(sheet);
   // 添加主体
   int rowNum = 0;
   for (Iterator it = list.iterator(); it.hasNext();) {

    rowNum += 1;
    // 设置行高
    sheet.setRowView(rowNum, 400, false);
    String[] str = (String[]) it.next();
    for (int i = 0; i < str.length; i++) {
     Label example = new Label(i, rowNum, str[i], wcf_table);
     sheet.addCell(example);
    }
   }

   workbook.write();
   workbook.close();
   os.close();
  } catch (Exception e) {

  }
 }

 public void creatExcel(String sheetName, String[] title, List list, OutputStream os) throws WriteException, IOException {
  try {
   WritableWorkbook workbook = Workbook.createWorkbook(os);

   WritableSheet sheet = workbook.createSheet(sheetName, 0);

   formatSheetColView(sheet);
   formatFont();
   formatTableCell();
   /** ****** 填充数据 ******** */

   // 添加标题,第一行
   sheet.mergeCells(0, 0, title.length - 1, 0);
   Label titleLabel;
   if (sheetName == null) {
    titleLabel = new Label(0, 0, "sheetName", wcf_baodan);

   } else {
    titleLabel = new Label(0, 0, sheetName, wcf_baodan);
   }
   // 设置行高
   sheet.setRowView(0, 400, false);

   sheet.addCell(titleLabel);

   // 添加表头
   for (int i = 0; i < title.length; i++) {
    Label formate = new Label(i, 1, title[i], wcf_tabletitle);
    sheet.addCell(formate);

   }

   // 添加主体
   int rowNum = 1;
   for (Iterator it = list.iterator(); it.hasNext();) {

    rowNum += 1;
    // 设置行高
    sheet.setRowView(rowNum, 400, false);
    String[] str = (String[]) it.next();
    for (int i = 0; i < str.length; i++) {
     Label example = new Label(i, rowNum, str[i], wcf_table);
     sheet.addCell(example);
    }
   }

   workbook.write();
   workbook.close();

   workbook = null;
   sheet = null;
  } catch (RuntimeException e) {
   e.printStackTrace();
  }
 }
}


//调用类
try {

   List resultItems = new ArrayList();
   resultItems.clear();
   String[] title = { "第一列", "第二列", "第三列", "第四列" };
   String[] s1 = { "11", "12", "13", "14" };
   String[] s2 = { "21", "22", "23", "24" };
   resultItems.add(s1);
   resultItems.add(s2);

   OutputStream os = response.getOutputStream();

   response.reset();
   String fname = "学校专业竞争力情况";
   response.setCharacterEncoding("UTF-8");
   fname = URLEncoder.encode(fname, "UTF-8");
   response.setHeader("Content-Disposition", "attachment;filename=" + new String(fname.getBytes("UTF-8"), "GBK") + ".XLS");
   response.setContentType("application/msexcel");
   ComplexDataExcelWrite.getInstance().creatExcel("标题", title, resultItems, os);

   //ComplexDataExcelWrite sw=new ComplexDataExcelWrite();
  // sw.creatExcel("标题", title, resultItems, os);

  } catch (Exception e) {
   // TODO: handle exception
  }
  return null;

//如果用jsp直接调用,注意out的处理方法,用他屏蔽一个getOutputStream() has already been called for this response
//异常
<%@ page language="java" import="java.util.*" pageEncoding="gbk"%>
<%@ page import="java.io.*"%>
<%@page import="java.net.URLEncoder"%>
<%@page import="em.util.ComplexDataExcelWrite"%>
<%
 List resultItems = new ArrayList();
 resultItems.clear();
 String[] title = { "第一列", "第二列", "第三列", "第四列" };
 String[] s1 = { "11", "12", "13", "14" };
 String[] s2 = { "21", "22", "23", "24" };
 resultItems.add(s1);
 resultItems.add(s2);

 OutputStream os = response.getOutputStream();
 response.reset();
 String fname = "学校专业竞争力情况";
 response.setCharacterEncoding("UTF-8");
 fname = URLEncoder.encode(fname, "UTF-8");
 response.setHeader("Content-Disposition", "attachment;filename=" + new String(fname.getBytes("UTF-8"), "GBK") + ".XLS");
 response.setContentType("application/msexcel");

 ComplexDataExcelWrite.getInstance().creatExcel("标题", title, resultItems, os);
 out.clear();
 out = pageContext.pushBody();

 //ComplexDataExcelWrite sw=new ComplexDataExcelWrite();
 // sw.creatExcel("标题", title, resultItems, os);
%>
<html>
 <head>
  <META HTTP-EQUIV="Pragma" CONTENT="no-cache">
  <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache">
  <META HTTP-EQUIV="Expires" CONTENT="0">
 </head>
</html>

posted on 2008-07-17 09:23 火炏炎焱燚 阅读(781) 评论(0)  编辑 收藏 引用

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