說明：
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從服務器上導出excel文件到本地
在一個excel工作簿中，有5個工單表，每個工作表有1萬行數據。
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使用的jar包在附件中。
效果如圖：
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從服務器上導出excel文件到本地
在一個excel工作簿中，有5個工單表，每個工作表有1萬行數據。
--------------------------------------------------------------------------------------------
使用的jar包在附件中。
效果如圖：
<%@ 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>導出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>
導出excel
<form action="excel" method="post">
<input type="submit" name="" value="導出">
</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報表工具類.
*
* @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;
}
/**
* 創建通用EXCEL頭部
*
* @param headString 頭部顯示的字符
* @param colSum 該報表的列數
*/
public void createNormalHead(String headString, int colSum) {
HSSFRow row = sheet.createRow(0);
// 設置第一行
HSSFCell cell = row.createCell(0);
//row.setHeight((short) 1000);
// 定義單元格為字符串類型
cell.setCellType(HSSFCell.ENCODING_UTF_16);// 中文處理
cell.setCellValue(new HSSFRichTextString(headString));
// 指定合并區域
/**
* public Region(int rowFrom,
* short colFrom,
* int rowTo,
* short colTo)
*/
sheet.addMergedRegion(new Region(0, (short) 0, 0, (short) colSum));
//定義單元格格式，添加單元格表樣式，并添加到工作簿
HSSFCellStyle cellStyle = wb.createCellStyle();
//設置單元格水平對齊類型
cellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER); // 指定單元格居中對齊
cellStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);// 指定單元格垂直居中對齊
cellStyle.setWrapText(true);// 指定單元格自動換行
// 設置單元格字體
HSSFFont font = wb.createFont();
//font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);
//font.setFontName("宋體");
//font.setFontHeight((short) 600);
//cellStyle.setFont(font);
cell.setCellStyle(cellStyle);
}
/**
* 創建通用報表第二行
*
* @param params 統計條件數組
* @param colSum 需要合并到的列索引
*/
public void createNormalTwoRow(String[] params, int colSum) {
//創建第二行
HSSFRow row1 = sheet.createRow(1);
row1.setHeight((short) 400);
HSSFCell cell2 = row1.createCell(0);
cell2.setCellType(HSSFCell.ENCODING_UTF_16);
cell2.setCellValue(new HSSFRichTextString("時間：" + params[0] + "至" + params[1]));
// 指定合并區域
/**
* 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); // 指定單元格居中對齊
cellStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);// 指定單元格垂直居中對齊
cellStyle.setWrapText(true);// 指定單元格自動換行
// 設置單元格字體
HSSFFont font = wb.createFont();
font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);
font.setFontName("宋體");
font.setFontHeight((short) 250);
cellStyle.setFont(font);
cell2.setCellStyle(cellStyle);
}
/**
* 設置報表標題
*
* @param columHeader 標題字符串數組
*/
public void createColumHeader(String[] columHeader) {
// 設置列頭 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); // 指定單元格居中對齊
cellStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);// 指定單元格垂直居中對齊
cellStyle.setWrapText(true);// 指定單元格自動換行
// 單元格字體
HSSFFont font = wb.createFont();
font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);
font.setFontName("宋體");
font.setFontHeight((short) 250);
cellStyle.setFont(font);
/*cellStyle.setBorderBottom(HSSFCellStyle.BORDER_THIN); // 設置單無格的邊框為粗體
cellStyle.setBottomBorderColor(HSSFColor.BLACK.index); // 設置單元格的邊框顏色．
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);*/
// 設置單元格背景色
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]));
}
}
/**
* 創建內容單元格
*
* @param wb HSSFWorkbook
* @param row HSSFRow
* @param col short型的列索引
* @param align 對齊方式
* @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);
}
/**
* 創建合計行
* @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); // 指定單元格居中對齊
cellStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);// 指定單元格垂直居中對齊
cellStyle.setWrapText(true);// 指定單元格自動換行
// 單元格字體
HSSFFont font = wb.createFont();
font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);
font.setFontName("宋體");
font.setFontHeight((short) 250);
cellStyle.setFont(font);
//獲取工作表最后一行
HSSFRow lastRow = sheet.createRow((short) (sheet.getLastRowNum() + 1));
HSSFCell sumCell = lastRow.createCell(0);
sumCell.setCellValue(new HSSFRichTextString("合計"));
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));// 指定合并區域
for (int i = 2; i < (cellValue.length + 2); i++) {
//定義最后一行的第三列
sumCell = lastRow.createCell(i);
sumCell.setCellStyle(cellStyle);
//定義數組 從0開始。
sumCell.setCellValue(new HSSFRichTextString(cellValue[i-2]));
}
}
/**
* 輸入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 = "測試長度";
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 = "導出Excel.xls";
fileName = new String(fileName.getBytes("GBK"),"iso8859-1");
response.reset();
response.setHeader("Content-Disposition","attachment;filename="+fileName);//指定下載的文件名
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);
//定義單元格報頭
String worksheetTitle = "Excel導出";
HSSFWorkbook wb = new HSSFWorkbook();
//創建列標頭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");
// 計算該報表的列數
int number = fialList.size()-1;
//==================================================================
// 創建單元格樣式
HSSFCellStyle cellStyleTitle = wb.createCellStyle();
// 指定單元格居中對齊
cellStyleTitle.setAlignment(HSSFCellStyle.ALIGN_CENTER);
// 指定單元格垂直居中對齊
cellStyleTitle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);
// 指定當單元格內容顯示不下時自動換行
cellStyleTitle.setWrapText(true);
//------------------------------------------------------------------
HSSFCellStyle cellStyle = wb.createCellStyle();
// 指定單元格居中對齊
cellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);
// 指定單元格垂直居中對齊
cellStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);
// 指定當單元格內容顯示不下時自動換行
cellStyle.setWrapText(true);
//------------------------------------------------------------------
// 設置單元格字體
HSSFFont font = wb.createFont();
font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);
font.setFontName("宋體");
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);
// 創建報表頭部
exportExcel.createNormalHead(worksheetTitle, number);
//定義第一行
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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