从服务器上导出excel文件到本地
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在一个excel工作簿中,有5个工单表,每个工作表有1万行数据。
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使用的jar包在附件中。
效果如图:
- <%@ page language="java" pageEncoding="GBK"%>
- <%
- String path = request.getContextPath();
- String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
- %>
- <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
- <html>
- <head>
- <title>导出excel</title>
- <meta http-equiv="pragma" content="no-cache">
- <meta http-equiv="cache-control" content="no-cache">
- <meta http-equiv="expires" content="0">
- <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
- <meta http-equiv="description" content="This is my page">
- </head>
- <body>
- 导出excel
- <form action="excel" method="post">
- <input type="submit" name="" value="导出">
- </form>
- </body>
- </html>
- <servlet>
- <servlet-name>outPutExcel</servlet-name>
- <servlet-class>output.OutputExcel</servlet-class>
- </servlet>
- <servlet-mapping>
- <servlet-name>outPutExcel</servlet-name>
- <url-pattern>/excel</url-pattern>
- </servlet-mapping>
- package output;
- import java.io.File;
- import java.io.FileNotFoundException;
- import java.io.FileOutputStream;
- import java.io.IOException;
- 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.apache.poi.hssf.util.HSSFColor;
- import org.apache.poi.hssf.util.Region;
- /**
- * EXCEL报表工具类.
- *
- * @author sun
- * @version
- */
- public class ExportExcel {
- private HSSFWorkbook wb = null;
- private HSSFSheet sheet = null;
- /**
- * @param wb
- * @param sheet
- */
- public ExportExcel(HSSFWorkbook wb, HSSFSheet sheet) {
- //super();
- this.wb = wb;
- this.sheet = sheet;
- }
- /**
- * 创建通用EXCEL头部
- *
- * @param headString 头部显示的字符
- * @param colSum 该报表的列数
- */
- public void createNormalHead(String headString, int colSum) {
- HSSFRow row = sheet.createRow(0);
- // 设置第一行
- HSSFCell cell = row.createCell(0);
- //row.setHeight((short) 1000);
- // 定义单元格为字符串类型
- cell.setCellType(HSSFCell.ENCODING_UTF_16);// 中文处理
- cell.setCellValue(new HSSFRichTextString(headString));
- // 指定合并区域
- /**
- * public Region(int rowFrom,
- * short colFrom,
- * int rowTo,
- * short colTo)
- */
- sheet.addMergedRegion(new Region(0, (short) 0, 0, (short) colSum));
- //定义单元格格式,添加单元格表样式,并添加到工作簿
- HSSFCellStyle cellStyle = wb.createCellStyle();
- //设置单元格水平对齐类型
- cellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER); // 指定单元格居中对齐
- cellStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);// 指定单元格垂直居中对齐
- cellStyle.setWrapText(true);// 指定单元格自动换行
- // 设置单元格字体
- HSSFFont font = wb.createFont();
- //font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);
- //font.setFontName("宋体");
- //font.setFontHeight((short) 600);
- //cellStyle.setFont(font);
- cell.setCellStyle(cellStyle);
- }
- /**
- * 创建通用报表第二行
- *
- * @param params 统计条件数组
- * @param colSum 需要合并到的列索引
- */
- public void createNormalTwoRow(String[] params, int colSum) {
- //创建第二行
- HSSFRow row1 = sheet.createRow(1);
- row1.setHeight((short) 400);
- HSSFCell cell2 = row1.createCell(0);
- cell2.setCellType(HSSFCell.ENCODING_UTF_16);
- cell2.setCellValue(new HSSFRichTextString("时间:" + params[0] + "至" + params[1]));
- // 指定合并区域
- /**
- * public Region(int rowFrom,
- short colFrom,
- int rowTo,
- short colTo)
- */
- sheet.addMergedRegion(new Region(1, (short) 0, 1, (short) colSum));
- HSSFCellStyle cellStyle = wb.createCellStyle();
- cellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER); // 指定单元格居中对齐
- cellStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);// 指定单元格垂直居中对齐
- cellStyle.setWrapText(true);// 指定单元格自动换行
- // 设置单元格字体
- HSSFFont font = wb.createFont();
- font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);
- font.setFontName("宋体");
- font.setFontHeight((short) 250);
- cellStyle.setFont(font);
- cell2.setCellStyle(cellStyle);
- }
- /**
- * 设置报表标题
- *
- * @param columHeader 标题字符串数组
- */
- public void createColumHeader(String[] columHeader) {
- // 设置列头 在第三行
- HSSFRow row2 = sheet.createRow(2);
- // 指定行高
- row2.setHeight((short) 600);
- HSSFCellStyle cellStyle = wb.createCellStyle();
- cellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER); // 指定单元格居中对齐
- cellStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);// 指定单元格垂直居中对齐
- cellStyle.setWrapText(true);// 指定单元格自动换行
- // 单元格字体
- HSSFFont font = wb.createFont();
- font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);
- font.setFontName("宋体");
- font.setFontHeight((short) 250);
- cellStyle.setFont(font);
- /*cellStyle.setBorderBottom(HSSFCellStyle.BORDER_THIN); // 设置单无格的边框为粗体
- cellStyle.setBottomBorderColor(HSSFColor.BLACK.index); // 设置单元格的边框颜色.
- cellStyle.setBorderLeft(HSSFCellStyle.BORDER_THIN);
- cellStyle.setLeftBorderColor(HSSFColor.BLACK.index);
- cellStyle.setBorderRight(HSSFCellStyle.BORDER_THIN);
- cellStyle.setRightBorderColor(HSSFColor.BLACK.index);
- cellStyle.setBorderTop(HSSFCellStyle.BORDER_THIN);
- cellStyle.setTopBorderColor(HSSFColor.BLACK.index);*/
- // 设置单元格背景色
- cellStyle.setFillForegroundColor(HSSFColor.GREY_25_PERCENT.index);
- cellStyle.setFillPattern(HSSFCellStyle.SOLID_FOREGROUND);
- HSSFCell cell3 = null;
- for (int i = 0; i < columHeader.length; i++) {
- cell3 = row2.createCell(i);
- cell3.setCellType(HSSFCell.ENCODING_UTF_16);
- cell3.setCellStyle(cellStyle);
- cell3.setCellValue(new HSSFRichTextString(columHeader[i]));
- }
- }
- /**
- * 创建内容单元格
- *
- * @param wb HSSFWorkbook
- * @param row HSSFRow
- * @param col short型的列索引
- * @param align 对齐方式
- * @param val 列值
- */
- public void cteateCell(HSSFWorkbook wb, HSSFRow row, int col,short align, String val) {
- HSSFCell cell = row.createCell(col);
- cell.setCellType(HSSFCell.ENCODING_UTF_16);
- cell.setCellValue(new HSSFRichTextString(val));
- HSSFCellStyle cellstyle = wb.createCellStyle();
- cellstyle.setAlignment(align);
- cell.setCellStyle(cellstyle);
- }
- /**
- * 创建合计行
- * @param colSum 需要合并到的列索引
- * @param cellValue
- */
- public void createLastSumRow(int colSum, String[] cellValue) {
- HSSFCellStyle cellStyle = wb.createCellStyle();
- cellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER); // 指定单元格居中对齐
- cellStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);// 指定单元格垂直居中对齐
- cellStyle.setWrapText(true);// 指定单元格自动换行
- // 单元格字体
- HSSFFont font = wb.createFont();
- font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);
- font.setFontName("宋体");
- font.setFontHeight((short) 250);
- cellStyle.setFont(font);
- //获取工作表最后一行
- HSSFRow lastRow = sheet.createRow((short) (sheet.getLastRowNum() + 1));
- HSSFCell sumCell = lastRow.createCell(0);
- sumCell.setCellValue(new HSSFRichTextString("合计"));
- sumCell.setCellStyle(cellStyle);
- //合并 最后一行的第零列-最后一行的第一列
- sheet.addMergedRegion(new Region(sheet.getLastRowNum(), (short) 0,sheet.getLastRowNum(), (short) colSum));// 指定合并区域
- for (int i = 2; i < (cellValue.length + 2); i++) {
- //定义最后一行的第三列
- sumCell = lastRow.createCell(i);
- sumCell.setCellStyle(cellStyle);
- //定义数组 从0开始。
- sumCell.setCellValue(new HSSFRichTextString(cellValue[i-2]));
- }
- }
- /**
- * 输入EXCEL文件
- *
- * @param fileName 文件名
- */
- public void outputExcel(String fileName) {
- FileOutputStream fos = null;
- try {
- fos = new FileOutputStream(new File(fileName));
- wb.write(fos);
- fos.close();
- } catch (FileNotFoundException e) {
- e.printStackTrace();
- } catch (IOException e) {
- e.printStackTrace();
- }
- }
- //*****************************************************
- // set && get
- //*****************************************************
- /**
- * @return the sheet
- */
- public HSSFSheet getSheet() {
- return sheet;
- }
- /**
- * @param sheet the sheet to set
- */
- public void setSheet(HSSFSheet sheet) {
- this.sheet = sheet;
- }
- /**
- * @return the wb
- */
- public HSSFWorkbook getWb() {
- return wb;
- }
- /**
- * @param wb the wb to set
- */
- public void setWb(HSSFWorkbook wb) {
- this.wb = wb;
- }
- }
- package output;
- public class Domain {
- private String one;
- private String two;
- private String three;
- private String four;
- private String five;
- private String six;
- private String seven;
- private String eight;
- private String nine;
- private String ten;
- public String getOne() {
- return one;
- }
- public void setOne(String one) {
- this.one = one;
- }
- public String getTwo() {
- return two;
- }
- public void setTwo(String two) {
- this.two = two;
- }
- public String getThree() {
- return three;
- }
- public void setThree(String three) {
- this.three = three;
- }
- public String getFour() {
- return four;
- }
- public void setFour(String four) {
- this.four = four;
- }
- public String getFive() {
- return five;
- }
- public void setFive(String five) {
- this.five = five;
- }
- public String getSix() {
- return six;
- }
- public void setSix(String six) {
- this.six = six;
- }
- public String getSeven() {
- return seven;
- }
- public void setSeven(String seven) {
- this.seven = seven;
- }
- public String getEight() {
- return eight;
- }
- public void setEight(String eight) {
- this.eight = eight;
- }
- public String getNine() {
- return nine;
- }
- public void setNine(String nine) {
- this.nine = nine;
- }
- public String getTen() {
- return ten;
- }
- public void setTen(String ten) {
- this.ten = ten;
- }
- }
- package output;
- import java.io.BufferedOutputStream;
- import java.io.IOException;
- import java.io.OutputStream;
- import java.util.ArrayList;
- import java.util.List;
- import javax.servlet.ServletException;
- import javax.servlet.http.HttpServlet;
- import javax.servlet.http.HttpServletRequest;
- import javax.servlet.http.HttpServletResponse;
- 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;
- public class OutputExcel extends HttpServlet{
- private static final long serialVersionUID = 1L;
- protected void doGet(HttpServletRequest request, HttpServletResponse response)
- throws ServletException, IOException {
- this.doPost(request, response);
- }
- protected void doPost(HttpServletRequest request, HttpServletResponse response)
- throws ServletException, IOException {
- System.out.println("helloworld");
- List<Domain> list = new ArrayList<Domain>();
- int max = 10000;
- String str = "测试长度";
- for(int i=0; i<max; i++){
- Domain domain = new Domain();
- domain.setOne(str+"1");
- domain.setTwo(str+"2");
- domain.setThree(str+"3");
- domain.setFour(str+"4");
- domain.setFive(str+"5");
- domain.setSix(str+"6");
- domain.setSeven(str+"7");
- domain.setEight(str+"8");
- domain.setNine(str+"9");
- domain.setTen(str+"10");
- list.add(domain);
- }
- String fileName = "导出Excel.xls";
- fileName = new String(fileName.getBytes("GBK"),"iso8859-1");
- response.reset();
- response.setHeader("Content-Disposition","attachment;filename="+fileName);//指定下载的文件名
- response.setContentType("application/vnd.ms-excel");
- response.setHeader("Pragma", "no-cache");
- response.setHeader("Cache-Control", "no-cache");
- response.setDateHeader("Expires", 0);
- OutputStream output = response.getOutputStream();
- BufferedOutputStream bufferedOutPut = new BufferedOutputStream(output);
- //定义单元格报头
- String worksheetTitle = "Excel导出";
- HSSFWorkbook wb = new HSSFWorkbook();
- //创建列标头LIST
- List<String> fialList = new ArrayList<String>();
- fialList.add("列1");
- fialList.add("列2");
- fialList.add("列3");
- fialList.add("列4");
- fialList.add("列5");
- fialList.add("列6");
- fialList.add("列7");
- fialList.add("列8");
- fialList.add("列9");
- fialList.add("列10");
- // 计算该报表的列数
- int number = fialList.size()-1;
- //==================================================================
- // 创建单元格样式
- HSSFCellStyle cellStyleTitle = wb.createCellStyle();
- // 指定单元格居中对齐
- cellStyleTitle.setAlignment(HSSFCellStyle.ALIGN_CENTER);
- // 指定单元格垂直居中对齐
- cellStyleTitle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);
- // 指定当单元格内容显示不下时自动换行
- cellStyleTitle.setWrapText(true);
- //------------------------------------------------------------------
- HSSFCellStyle cellStyle = wb.createCellStyle();
- // 指定单元格居中对齐
- cellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);
- // 指定单元格垂直居中对齐
- cellStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);
- // 指定当单元格内容显示不下时自动换行
- cellStyle.setWrapText(true);
- //------------------------------------------------------------------
- // 设置单元格字体
- HSSFFont font = wb.createFont();
- font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);
- font.setFontName("宋体");
- font.setFontHeight((short) 200);
- cellStyleTitle.setFont(font);
- for(int z=0; z<5; z++){
- //工作表名
- String worksheet = "表"+(z+1);
- HSSFSheet sheet = wb.createSheet(worksheet);
- ExportExcel exportExcel = new ExportExcel(wb, sheet);
- // 创建报表头部
- exportExcel.createNormalHead(worksheetTitle, number);
- //定义第一行
- HSSFRow row1 = sheet.createRow(1);
- HSSFCell cell1 = null;
- for(int i = 0; i < fialList.size(); i++) {
- cell1 = row1.createCell(i);
- cell1.setCellStyle(cellStyleTitle);
- cell1.setCellValue(new HSSFRichTextString(worksheet+fialList.get(i).toString()));
- }
- HSSFRow row = sheet.createRow(2);
- HSSFCell cell = row.createCell(1);
- Domain domain = new Domain();
- for(int i=0; i<list.size(); i++){
- domain = list.get(i);
- row = sheet.createRow(i+2);
- cell = row.createCell(0);
- cell.setCellStyle(cellStyle);
- cell.setCellValue(new HSSFRichTextString(worksheet+domain.getOne()));
- cell = row.createCell(1);
- cell.setCellValue(new HSSFRichTextString(worksheet+domain.getTwo()));
- cell = row.createCell(2);
- cell.setCellValue(new HSSFRichTextString(worksheet+domain.getThree()));
- cell = row.createCell(3);
- cell.setCellValue(new HSSFRichTextString(worksheet+domain.getFour()));
- cell = row.createCell(4);
- cell.setCellValue(new HSSFRichTextString(worksheet+domain.getFive()));
- cell = row.createCell(5);
- cell.setCellValue(new HSSFRichTextString(worksheet+domain.getSix()));
- cell = row.createCell(6);
- cell.setCellValue(new HSSFRichTextString(worksheet+domain.getSeven()));
- cell = row.createCell(7);
- cell.setCellValue(new HSSFRichTextString(worksheet+domain.getEight()));
- cell = row.createCell(8);
- cell.setCellValue(new HSSFRichTextString(worksheet+domain.getNine()));
- cell = row.createCell(9);
- cell.setCellValue(new HSSFRichTextString(worksheet+domain.getTen()));
- }
- }
- try {
- bufferedOutPut.flush();
- wb.write(bufferedOutPut);
- bufferedOutPut.close();
- } catch (IOException e) {
- e.printStackTrace();
- System.out.println( "Output is closed ");
- } finally {
- list.clear();
- }
- }
- }
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