java导出Excel（非模板）可导出多个sheet

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我是靠谱客的博主儒雅乌龟，这篇文章主要介绍java导出Excel（非模板）可导出多个sheet，现在分享给大家，希望可以做个参考。

当初为了写导出也是废了不少劲，今天突然想起来就将此方法上传，之前也写过模板导出所以这个是非模板的。

拥有方法：

1.导出excel（单标题，单sheet）
2.含多个sheet 每个sheet中的标题一致
3.含多个sheet 每个sheet中的标题不一致
并且还有两个其他导出格式。

注意事项：将PageData换成Map即可！！！

复制代码

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 <!--依赖-->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.0.1</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>3.17</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>3.17</version>
</dependency>
<dependency>
<groupId> org.apache.httpcomponents </groupId>
<artifactId> httpclient </artifactId>
<version>4.5.9</version>
</dependency>
<!--json-lib -->
<dependency>
<groupId>net.sf.json-lib</groupId>
<artifactId>json-lib</artifactId>
<version>2.4</version>
<classifier>jdk15</classifier>
</dependency>
<dependency>
<groupId>net.sf.jxls</groupId>
<artifactId>jxls-core</artifactId>
<version>1.0-RC-1</version>
</dependency>

复制代码

import net.sf.jxls.transformer.XLSTransformer;
import org.apache.poi.hssf.usermodel.*;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.xssf.usermodel.XSSFCellStyle;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.*;
import java.net.URLEncoder;
import java.text.SimpleDateFormat;
import java.util.*;
/**
* @Auther: sjj
* @Date: 2019/5/29 16:50
* @ClassName: ExcelUtil
* @Description: 导出excel
*/
public class ExcelUtil {
/**
* 导出excel
* @param pds 需要导出的数据
* @param pd 导出excel公用数据，需包含title（标题）、headers（逗号隔开，为导出表头），fileName(文件名，只须写上名字，这里会进行处理拼接)
* @param request
* @param response
* @return
*/
public static void
exportData(List<LinkedHashMap<Object,Object>> pds, PageData pd, HttpServletRequest request, HttpServletResponse response) {
if(pds.size()<1){
//
return StatusCode.IS_NULL;
return;
}
try {
HSSFWorkbook workbook = new HSSFWorkbook();
//设置标题
HSSFSheet sheet = workbook.createSheet(pd.getString("title"));
//headers表示excel表中第一行的表头
String[] headers=pd.getString("headers").split(",");
//表头字体
Font headerFont = workbook.createFont();
headerFont.setFontName("微软雅黑");
headerFont.setColor(HSSFFont.COLOR_NORMAL);
headerFont.setBold(true);
//创建单元格，并设置值表头 设置表头居中
HSSFCellStyle styleMain = workbook.createCellStyle();
//水平居中
styleMain.setAlignment(HorizontalAlignment.CENTER);
styleMain.setFont(headerFont);
//导出样式
HSSFCellStyle cellStyle_C = workbook.createCellStyle();
// 自动换行
cellStyle_C.setWrapText(true);
cellStyle_C.setAlignment(HorizontalAlignment.CENTER);
//创建标题行
HSSFRow row = sheet.createRow(0);
//在excel表中添加表头
for(int i=0;i<headers.length;i++){
HSSFCell cell = row.createCell(i);
HSSFRichTextString text = new HSSFRichTextString(headers[i]);
cell.setCellValue(text);
cell.setCellStyle(styleMain);
}
int rowNum = 1;
//遍历集合数据
for(LinkedHashMap<Object,Object> p
:pds){
//依次创建行
HSSFRow row1 = sheet.createRow(rowNum);
int i=0;
//遍历数据
for (Object key: p.keySet()){
//创建行中列 并放入数据
HSSFCell cell = row1.createCell(i);
String value=String.valueOf(p.get(key));
cell.setCellValue(value!=null?value:"");
if("null".equals(value)){
cell.setCellValue("");
}
cell.setCellStyle(cellStyle_C);
i++;
}
row1.setHeight((short) (26*10));
rowNum++;
}
//自动调整列宽
for (int i = 0;i <headers.length;i++){
if(i==headers.length-2){
sheet.setColumnWidth(i, 20 * 256);
break;
}
if(i==3){
sheet.setColumnWidth(i, 20 * 256);
continue;
}
sheet.autoSizeColumn(i, true);
}
//取得输出流
OutputStream out = response.getOutputStream();
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy年MM月dd日HH时mm分ss秒");
//清空缓存
response.reset();
//设置相应内容的编码格式
response.setCharacterEncoding("UTF-8");
//1.导出名称
String fileName =pd.getString("fileName")+dateFormat.format(new Date());
//文件名乱码
//获得浏览器信息并转换为大写
String agent = request.getHeader("User-Agent").toUpperCase();
//IE浏览器和Edge浏览器
if (agent.indexOf("MSIE") > 0 || (agent.indexOf("GECKO")>0 && agent.indexOf("RV:11")>0)) {
fileName = URLEncoder.encode(fileName, "UTF-8");
} else {
//其他浏览器
fileName = new String(fileName.getBytes("UTF-8"), "iso-8859-1");
}
response.setHeader("Content-Disposition", "attachment;filename=" + fileName + ".xls");
//定义输出类型
response.setContentType("application/msexcel");
//保存Excel文件
workbook.write(out);
//关闭文件流
out.close();
} catch (Exception e) {
e.printStackTrace();
//
return StatusCode.ERROR;
}
//
return StatusCode.SUCCESS;
}
/**
* 导出excel
含多个sheet 每个sheet中的标题一致
* @param pds 需要导出的数据
* @param titles 导出excel公用数据，需包含title（标题）、headers（逗号隔开，为导出表头）
* @param fileName (文件名，只须写上名字，这里会进行处理拼接)
* @param request
* @param response
* 注意 titles里面的数据顺序要与pds中一致
不然导出时会出现标题与内容不符
* @return
*/
public static void exportSheetData(Map<String,List<List<LinkedHashMap<Object,Object>>>> pds, List<PageData> titles,
String fileName,HttpServletRequest request, HttpServletResponse response) throws IOException {
if(pds.size()<1){
//
return StatusCode.IS_NULL;
return;
}
HSSFWorkbook workbook = new HSSFWorkbook();
//取得输出流
OutputStream out = response.getOutputStream();
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy年MM月dd日HH时mm分ss秒");
//重命名
fileName+=dateFormat.format(new Date());;
//清空缓存
response.reset();
//设置相应内容的编码格式
response.setCharacterEncoding("UTF-8");
//文件名乱码
//获得浏览器信息并转换为大写
String agent = request.getHeader("User-Agent").toUpperCase();
//IE浏览器和Edge浏览器
if (agent.indexOf("MSIE") > 0 || (agent.indexOf("GECKO")>0 && agent.indexOf("RV:11")>0)) {
fileName = URLEncoder.encode(fileName, "UTF-8");
} else {
//其他浏览器
fileName = new String(fileName.getBytes("UTF-8"), "iso-8859-1");
}
response.setHeader("Content-Disposition", "attachment;filename=" + fileName + ".xls");
//定义输出类型
response.setContentType("application/msexcel");
int sheetNum=0;
for(String nameKey:pds.keySet()){
List<List<LinkedHashMap<Object,Object>>> data=pds.get(nameKey);
//设置标题
HSSFSheet sheet = workbook.createSheet();
//工地/消纳场名作为sheet名
workbook.setSheetName(sheetNum,nameKey);
//表头字体
Font headerFont = workbook.createFont();
headerFont.setFontName("微软雅黑");
headerFont.setColor(HSSFFont.COLOR_NORMAL);
headerFont.setBold(true);
//创建单元格，并设置值表头 设置表头居中
HSSFCellStyle styleMain = workbook.createCellStyle();
//水平居中
styleMain.setAlignment(HorizontalAlignment.CENTER);
styleMain.setFont(headerFont);
//导出样式
HSSFCellStyle cellStyle_C = workbook.createCellStyle();
// 自动换行
cellStyle_C.setWrapText(true);
cellStyle_C.setAlignment(HorizontalAlignment.CENTER);
int titleNum=0;
int rowNum = 1;
int startRow=0;
for(List<LinkedHashMap<Object,Object>> list:data){
//放入数据
//创建标题行
//主标题
HSSFRow title = null;
//行标题
HSSFRow row = null;
//为了避免标题对内容进行覆盖
if(rowNum==1){
title=sheet.createRow(0);
row = sheet.createRow(rowNum);
rowNum++;
}else{
//让标题与上一行内容存在两个空行
startRow=rowNum+2;
title=sheet.createRow(startRow);
row = sheet.createRow(rowNum+3);
rowNum+=4;
}
PageData pd=titles.get(titleNum);
//headers表示excel表中第一行的表头
String[] headers=pd.getString("headers").split(",");
//创建主标题
HSSFCell tieleCell = title.createCell(0);
tieleCell.setCellValue(pd.getString("title"));
tieleCell.setCellStyle(styleMain);
for(int i=1;i<=headers.length;i++){
HSSFCell cell = title.createCell(i);
//
HSSFRichTextString text = new HSSFRichTextString(headers[i]);
cell.setCellValue("");
cell.setCellStyle(styleMain);
}
// 合并日期占两行(4个参数，分别为起始行，结束行，起始列，结束列)
// 行和列都是从0开始计数，且起始结束都会合并
// 这里是合并excel中日期的两行为一行
CellRangeAddress region = new CellRangeAddress(startRow, startRow, 0, headers.length-1);
sheet.addMergedRegion(region);
//主标题创建结束
//在excel表中添加表头
for(int i=0;i<headers.length;i++){
HSSFCell cell = row.createCell(i);
HSSFRichTextString text = new HSSFRichTextString(headers[i]);
cell.setCellValue(text);
cell.setCellStyle(styleMain);
}
//表头添加结束
//遍历集合数据
for(LinkedHashMap<Object,Object> p
:list){
//依次创建行
HSSFRow row1 = sheet.createRow(rowNum);
int i=0;
//遍历数据
for (Object key: p.keySet()){
//创建行中列 并放入数据
HSSFCell cell = row1.createCell(i);
String value=String.valueOf(p.get(key));
cell.setCellValue(value!=null?value:"");
if("null".equals(value)){
cell.setCellValue("");
}
cell.setCellStyle(cellStyle_C);
i++;
}
row1.setHeight((short) (26*10));
rowNum++;
}
//自动调整列宽
for (int i = 0;i <headers.length;i++){
if(i==headers.length-2){
sheet.setColumnWidth(i, 20 * 256);
break;
}
if(i==3){
sheet.setColumnWidth(i, 20 * 256);
continue;
}
sheet.autoSizeColumn(i, true);
}
titleNum++;
//
}
}
sheetNum++;
}
//保存Excel文件
workbook.write(out);
//关闭文件流
out.close();
}
/**
* 导出excel
含多个sheet 每个sheet中的标题不一致
* @param pds 需要导出的数据
* @param titles 导出excel公用数据，需包含title（标题）、headers（逗号隔开，为导出表头）,可以List<PageData>不一致
* @param fileName (文件名，只须写上名字，这里会进行处理拼接)
* @param request
* @param response
* 注意 titles里面的数据顺序要与pds中一致
不然导出时会出现标题与内容不符
* @return
*/
public static void exportSheetTitle(LinkedHashMap<String,List<List<LinkedHashMap<Object,Object>>>> pds, LinkedList<List<PageData>> titles,
String fileName,HttpServletRequest request, HttpServletResponse response) throws IOException {
if(pds.size()<1){
//
return StatusCode.IS_NULL;
return;
}
HSSFWorkbook workbook = new HSSFWorkbook();
//取得输出流
OutputStream out = response.getOutputStream();
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy年MM月dd日HH时mm分ss秒");
//重命名
fileName+=dateFormat.format(new Date());;
//清空缓存
response.reset();
//设置相应内容的编码格式
response.setCharacterEncoding("UTF-8");
//文件名乱码
//获得浏览器信息并转换为大写
String agent = request.getHeader("User-Agent").toUpperCase();
//IE浏览器和Edge浏览器
if (agent.indexOf("MSIE") > 0 || (agent.indexOf("GECKO")>0 && agent.indexOf("RV:11")>0)) {
fileName = URLEncoder.encode(fileName, "UTF-8");
} else {
//其他浏览器
fileName = new String(fileName.getBytes("UTF-8"), "iso-8859-1");
}
response.setHeader("Content-Disposition", "attachment;filename=" + fileName + ".xls");
//定义输出类型
response.setContentType("application/msexcel");
int sheetNum=0;
for(String nameKey:pds.keySet()){
List<List<LinkedHashMap<Object,Object>>> data=pds.get(nameKey);
//设置标题
HSSFSheet sheet = workbook.createSheet();
//工地/消纳场名作为sheet名
workbook.setSheetName(sheetNum,nameKey);
//表头字体
Font headerFont = workbook.createFont();
headerFont.setFontName("微软雅黑");
headerFont.setColor(HSSFFont.COLOR_NORMAL);
headerFont.setBold(true);
//创建单元格，并设置值表头 设置表头居中
HSSFCellStyle styleMain = workbook.createCellStyle();
//水平居中
styleMain.setAlignment(HorizontalAlignment.CENTER);
styleMain.setFont(headerFont);
//导出样式
HSSFCellStyle cellStyle_C = workbook.createCellStyle();
// 自动换行
cellStyle_C.setWrapText(true);
cellStyle_C.setAlignment(HorizontalAlignment.CENTER);
int titleNum=0;
int rowNum = 1;
int startRow=0;
for(List<LinkedHashMap<Object,Object>> list:data){
//放入数据
//创建标题行
//主标题
HSSFRow title = null;
//行标题
HSSFRow row = null;
//为了避免标题对内容进行覆盖
if(rowNum==1){
title=sheet.createRow(0);
row = sheet.createRow(rowNum);
rowNum++;
}else{
//让标题与上一行内容存在两个空行
startRow=rowNum+2;
title=sheet.createRow(startRow);
row = sheet.createRow(rowNum+3);
rowNum+=4;
}
//遍历每个sheet中的标题
for(PageData pd:titles.get(sheetNum)){
//headers表示excel表中第一行的表头
String[] headers=pd.getString("headers").split(",");
//创建主标题
HSSFCell tieleCell = title.createCell(0);
tieleCell.setCellValue(pd.getString("title"));
tieleCell.setCellStyle(styleMain);
for(int i=1;i<=headers.length;i++){
HSSFCell cell = title.createCell(i);
//
HSSFRichTextString text = new HSSFRichTextString(headers[i]);
cell.setCellValue("");
cell.setCellStyle(styleMain);
}
// 合并日期占两行(4个参数，分别为起始行，结束行，起始列，结束列)
// 行和列都是从0开始计数，且起始结束都会合并
// 这里是合并excel中日期的两行为一行
CellRangeAddress region = new CellRangeAddress(startRow, startRow, 0, headers.length-1);
sheet.addMergedRegion(region);
//主标题创建结束
//在excel表中添加表头
for(int i=0;i<headers.length;i++){
HSSFCell cell = row.createCell(i);
HSSFRichTextString text = new HSSFRichTextString(headers[i]);
cell.setCellValue(text);
cell.setCellStyle(styleMain);
}
//表头添加结束
//遍历集合数据
for(LinkedHashMap<Object,Object> p
:list){
//依次创建行
HSSFRow row1 = sheet.createRow(rowNum);
int i=0;
//遍历数据
for (Object key: p.keySet()){
//创建行中列 并放入数据
HSSFCell cell = row1.createCell(i);
String value=String.valueOf(p.get(key));
cell.setCellValue(value!=null?value:"");
if("null".equals(value)){
cell.setCellValue("");
}
cell.setCellStyle(cellStyle_C);
i++;
}
row1.setHeight((short) (26*10));
rowNum++;
}
//自动调整列宽
for (int i = 0;i <headers.length;i++){
if(i==headers.length-2){
sheet.setColumnWidth(i, 20 * 256);
break;
}
if(i==3){
sheet.setColumnWidth(i, 20 * 256);
continue;
}
sheet.autoSizeColumn(i, true);
}
}
titleNum++;
//
}
}
sheetNum++;
}
//保存Excel文件
workbook.write(out);
//关闭文件流
out.close();
}
/**
* 导出excel
* @qkp
*
* @param pds 需要导出的数据
* @param pd 导出excel公用数据，需包含templateFile（模板文件），fileName(文件名，只须写上名字，这里会进行处理拼接)
* @param mergeCells 合并单元格数组【firstRow,lastRow,firstCol,lastCol】
* @param request
* @param response
* @return
*/
public static void
exportData(Map<Object,Object> pds, PageData pd,int []mergeCells, HttpServletRequest request, HttpServletResponse response) {
if(pds.size()<1){
return;
}
try {
XLSTransformer transformer = new XLSTransformer();
InputStream in = new FileInputStream(new File(pd.getString("templateFile")));
XSSFWorkbook workbook =(XSSFWorkbook)transformer.transformXLS(in, pds);
Sheet sheet = workbook.getSheetAt(0);
//合并单元格需要的逻辑
sheet.addMergedRegion(new CellRangeAddress(mergeCells[0], mergeCells[1], mergeCells[2], mergeCells[3]));//合并单元格的函数
//表头字体
Font headerFont = workbook.createFont();
headerFont.setFontName("微软雅黑");
headerFont.setColor(HSSFFont.COLOR_NORMAL);
headerFont.setBold(true);
//创建单元格，并设置值表头 设置表头居中
//导出样式
XSSFCellStyle cellStyle_C = workbook.createCellStyle();
// 自动换行
cellStyle_C.setWrapText(true);
cellStyle_C.setAlignment(HorizontalAlignment.CENTER);
//取得输出流
OutputStream out = response.getOutputStream();
//清空缓存
response.reset();
//设置相应内容的编码格式
response.setCharacterEncoding("UTF-8");
//1.导出名称
String fileName =pd.getString("fileName");
//文件名乱码
//获得浏览器信息并转换为大写
String agent = request.getHeader("User-Agent").toUpperCase();
//IE浏览器和Edge浏览器
if (agent.indexOf("MSIE") > 0 || (agent.indexOf("GECKO")>0 && agent.indexOf("RV:11")>0)) {
fileName = URLEncoder.encode(fileName, "UTF-8");
} else {
//其他浏览器
fileName = new String(fileName.getBytes("UTF-8"), "iso-8859-1");
}
response.setHeader("Content-Disposition", "attachment;filename=" + fileName + ".xlsx");
//定义输出类型
//response.setContentType("application/msexcel");
response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
//保存Excel文件
workbook.write(out);
//关闭文件流
out.close();
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 导出excel
* @author qkp
* @param pds 需要导出的数据
* @param pd 导出excel公用数据，需包含title（标题）、headers（逗号隔开，为导出表头），fileName(文件名，只须写上名字，这里会进行处理拼接)
* @param request
* @param response
* @return
*/
public static void
exportData2(List<LinkedHashMap<Object,Object>> pds, PageData pd, HttpServletRequest request, HttpServletResponse response) {
if(pds.size()<1){
return;
}
try {
HSSFWorkbook workbook = new HSSFWorkbook();
//设置标题
HSSFSheet sheet = workbook.createSheet();
//headers表示excel表中第一行的表头
String[] headers=pd.getString("headers").split(",");
//表头字体
Font headerFont = workbook.createFont();
headerFont.setFontName("微软雅黑");
headerFont.setColor(HSSFFont.COLOR_NORMAL);
headerFont.setBold(true);
//创建单元格，并设置值表头 设置表头居中
HSSFCellStyle styleMain = workbook.createCellStyle();
//水平居中
styleMain.setAlignment(HorizontalAlignment.CENTER);
styleMain.setFont(headerFont);
styleMain.setBorderBottom(BorderStyle.THIN);
styleMain.setBottomBorderColor(IndexedColors.BLACK.getIndex());
styleMain.setBorderTop(BorderStyle.THIN);
styleMain.setTopBorderColor(IndexedColors.BLACK.getIndex());
styleMain.setBorderLeft(BorderStyle.THIN);
styleMain.setLeftBorderColor(IndexedColors.BLACK.getIndex());
styleMain.setBorderRight(BorderStyle.THIN);
styleMain.setRightBorderColor(IndexedColors.BLACK.getIndex());
//导出样式
HSSFCellStyle cellStyle_C = workbook.createCellStyle();
// 自动换行
cellStyle_C.setWrapText(true);
cellStyle_C.setAlignment(HorizontalAlignment.CENTER);
cellStyle_C.setBorderBottom(BorderStyle.THIN);
cellStyle_C.setBottomBorderColor(IndexedColors.BLACK.getIndex());
cellStyle_C.setBorderTop(BorderStyle.THIN);
cellStyle_C.setTopBorderColor(IndexedColors.BLACK.getIndex());
cellStyle_C.setBorderLeft(BorderStyle.THIN);
cellStyle_C.setLeftBorderColor(IndexedColors.BLACK.getIndex());
cellStyle_C.setBorderRight(BorderStyle.THIN);
cellStyle_C.setRightBorderColor(IndexedColors.BLACK.getIndex());
//创建列标题行
HSSFRow row = sheet.createRow(0);
//标题行样式
HSSFCellStyle titleStyle = workbook.createCellStyle();
//表头字体
Font titleFont = workbook.createFont();
titleFont.setFontName("微软雅黑");
titleFont.setColor(HSSFFont.COLOR_NORMAL);
titleFont.setBold(true);
titleFont.setFontHeightInPoints((short)18);
titleStyle.setFont(titleFont);
titleStyle.setAlignment(HorizontalAlignment.CENTER);
HSSFCell titleCell =row.createCell(0);
titleCell.setCellValue(pd.getString("title"));
titleCell.setCellStyle(titleStyle);
//合并单元格需要的逻辑
sheet.addMergedRegion(new CellRangeAddress(0, 0, 0,headers.length-1 ));//合并单元格的函数
row.setRowStyle(titleStyle);
row.setHeightInPoints(56);
//列表题
row = sheet.createRow(1);
row.setHeightInPoints(39);
//在excel表中添加表头
for(int i=0;i<headers.length;i++){
HSSFCell cell = row.createCell(i);
HSSFRichTextString text = new HSSFRichTextString(headers[i]);
cell.setCellValue(text);
cell.setCellStyle(styleMain);
}
int rowNum = 2;
//遍历集合数据
for(LinkedHashMap<Object,Object> p
:pds){
//依次创建行
HSSFRow row1 = sheet.createRow(rowNum);
int i=0;
//遍历数据
for (Object key: p.keySet()){
//创建行中列 并放入数据
HSSFCell cell = row1.createCell(i);
String value=String.valueOf(p.get(key));
cell.setCellValue(value!=null?value:"");
if("null".equals(value)){
cell.setCellValue("");
}
cell.setCellStyle(cellStyle_C);
i++;
}
//row1.setHeight((short) (26*10));
rowNum++;
}
//自动调整列宽
for (int i = 0;i <headers.length;i++){
if(i==headers.length-2){
sheet.setColumnWidth(i, 20 * 256);
break;
}
if(i==3){
sheet.setColumnWidth(i, 20 * 256);
continue;
}
sheet.autoSizeColumn(i);
//sheet.autoSizeColumn(i, true);
}
//取得输出流
OutputStream out = response.getOutputStream();
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy年MM月dd日HH时mm分ss秒");
//清空缓存
response.reset();
//设置相应内容的编码格式
response.setCharacterEncoding("UTF-8");
//1.导出名称
String fileName =pd.getString("fileName")+dateFormat.format(new Date());
//文件名乱码
//获得浏览器信息并转换为大写
String agent = request.getHeader("User-Agent").toUpperCase();
//IE浏览器和Edge浏览器
if (agent.indexOf("MSIE") > 0 || (agent.indexOf("GECKO")>0 && agent.indexOf("RV:11")>0)) {
fileName = URLEncoder.encode(fileName, "UTF-8");
} else {
//其他浏览器
fileName = new String(fileName.getBytes("UTF-8"), "iso-8859-1");
}
response.setHeader("Content-Disposition", "attachment;filename=" + fileName + ".xls");
//定义输出类型
response.setContentType("application/msexcel");
//保存Excel文件
workbook.write(out);
//关闭文件流
out.close();
} catch (Exception e) {
e.printStackTrace();
//
return StatusCode.ERROR;
}
//
return StatusCode.SUCCESS;
}
}

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import net.sf.jxls.transformer.XLSTransformer;
import org.apache.poi.hssf.usermodel.*;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.xssf.usermodel.XSSFCellStyle;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.*;
import java.net.URLEncoder;
import java.text.SimpleDateFormat;
import java.util.*;
/**
* @Auther: sjj
* @Date: 2019/5/29 16:50
* @ClassName: ExcelUtil
* @Description: 导出excel
*/
public class ExcelUtil {
/**
* 导出excel
* @param pds 需要导出的数据
* @param pd 导出excel公用数据，需包含title（标题）、headers（逗号隔开，为导出表头），fileName(文件名，只须写上名字，这里会进行处理拼接)
* @param request
* @param response
* @return
*/
public static void
exportData(List<LinkedHashMap<Object,Object>> pds, PageData pd, HttpServletRequest request, HttpServletResponse response) {
if(pds.size()<1){
//
return StatusCode.IS_NULL;
return;
}
try {
HSSFWorkbook workbook = new HSSFWorkbook();
//设置标题
HSSFSheet sheet = workbook.createSheet(pd.getString("title"));
//headers表示excel表中第一行的表头
String[] headers=pd.getString("headers").split(",");
//表头字体
Font headerFont = workbook.createFont();
headerFont.setFontName("微软雅黑");
headerFont.setColor(HSSFFont.COLOR_NORMAL);
headerFont.setBold(true);
//创建单元格，并设置值表头 设置表头居中
HSSFCellStyle styleMain = workbook.createCellStyle();
//水平居中
styleMain.setAlignment(HorizontalAlignment.CENTER);
styleMain.setFont(headerFont);
//导出样式
HSSFCellStyle cellStyle_C = workbook.createCellStyle();
// 自动换行
cellStyle_C.setWrapText(true);
cellStyle_C.setAlignment(HorizontalAlignment.CENTER);
//创建标题行
HSSFRow row = sheet.createRow(0);
//在excel表中添加表头
for(int i=0;i<headers.length;i++){
HSSFCell cell = row.createCell(i);
HSSFRichTextString text = new HSSFRichTextString(headers[i]);
cell.setCellValue(text);
cell.setCellStyle(styleMain);
}
int rowNum = 1;
//遍历集合数据
for(LinkedHashMap<Object,Object> p
:pds){
//依次创建行
HSSFRow row1 = sheet.createRow(rowNum);
int i=0;
//遍历数据
for (Object key: p.keySet()){
//创建行中列 并放入数据
HSSFCell cell = row1.createCell(i);
String value=String.valueOf(p.get(key));
cell.setCellValue(value!=null?value:"");
if("null".equals(value)){
cell.setCellValue("");
}
cell.setCellStyle(cellStyle_C);
i++;
}
row1.setHeight((short) (26*10));
rowNum++;
}
//自动调整列宽
for (int i = 0;i <headers.length;i++){
if(i==headers.length-2){
sheet.setColumnWidth(i, 20 * 256);
break;
}
if(i==3){
sheet.setColumnWidth(i, 20 * 256);
continue;
}
sheet.autoSizeColumn(i, true);
}
//取得输出流
OutputStream out = response.getOutputStream();
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy年MM月dd日HH时mm分ss秒");
//清空缓存
response.reset();
//设置相应内容的编码格式
response.setCharacterEncoding("UTF-8");
//1.导出名称
String fileName =pd.getString("fileName")+dateFormat.format(new Date());
//文件名乱码
//获得浏览器信息并转换为大写
String agent = request.getHeader("User-Agent").toUpperCase();
//IE浏览器和Edge浏览器
if (agent.indexOf("MSIE") > 0 || (agent.indexOf("GECKO")>0 && agent.indexOf("RV:11")>0)) {
fileName = URLEncoder.encode(fileName, "UTF-8");
} else {
//其他浏览器
fileName = new String(fileName.getBytes("UTF-8"), "iso-8859-1");
}
response.setHeader("Content-Disposition", "attachment;filename=" + fileName + ".xls");
//定义输出类型
response.setContentType("application/msexcel");
//保存Excel文件
workbook.write(out);
//关闭文件流
out.close();
} catch (Exception e) {
e.printStackTrace();
//
return StatusCode.ERROR;
}
//
return StatusCode.SUCCESS;
}
/**
* 导出excel
含多个sheet 每个sheet中的标题一致
* @param pds 需要导出的数据
* @param titles 导出excel公用数据，需包含title（标题）、headers（逗号隔开，为导出表头）
* @param fileName (文件名，只须写上名字，这里会进行处理拼接)
* @param request
* @param response
* 注意 titles里面的数据顺序要与pds中一致
不然导出时会出现标题与内容不符
* @return
*/
public static void exportSheetData(Map<String,List<List<LinkedHashMap<Object,Object>>>> pds, List<PageData> titles,
String fileName,HttpServletRequest request, HttpServletResponse response) throws IOException {
if(pds.size()<1){
//
return StatusCode.IS_NULL;
return;
}
HSSFWorkbook workbook = new HSSFWorkbook();
//取得输出流
OutputStream out = response.getOutputStream();
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy年MM月dd日HH时mm分ss秒");
//重命名
fileName+=dateFormat.format(new Date());;
//清空缓存
response.reset();
//设置相应内容的编码格式
response.setCharacterEncoding("UTF-8");
//文件名乱码
//获得浏览器信息并转换为大写
String agent = request.getHeader("User-Agent").toUpperCase();
//IE浏览器和Edge浏览器
if (agent.indexOf("MSIE") > 0 || (agent.indexOf("GECKO")>0 && agent.indexOf("RV:11")>0)) {
fileName = URLEncoder.encode(fileName, "UTF-8");
} else {
//其他浏览器
fileName = new String(fileName.getBytes("UTF-8"), "iso-8859-1");
}
response.setHeader("Content-Disposition", "attachment;filename=" + fileName + ".xls");
//定义输出类型
response.setContentType("application/msexcel");
int sheetNum=0;
for(String nameKey:pds.keySet()){
List<List<LinkedHashMap<Object,Object>>> data=pds.get(nameKey);
//设置标题
HSSFSheet sheet = workbook.createSheet();
//工地/消纳场名作为sheet名
workbook.setSheetName(sheetNum,nameKey);
//表头字体
Font headerFont = workbook.createFont();
headerFont.setFontName("微软雅黑");
headerFont.setColor(HSSFFont.COLOR_NORMAL);
headerFont.setBold(true);
//创建单元格，并设置值表头 设置表头居中
HSSFCellStyle styleMain = workbook.createCellStyle();
//水平居中
styleMain.setAlignment(HorizontalAlignment.CENTER);
styleMain.setFont(headerFont);
//导出样式
HSSFCellStyle cellStyle_C = workbook.createCellStyle();
// 自动换行
cellStyle_C.setWrapText(true);
cellStyle_C.setAlignment(HorizontalAlignment.CENTER);
int titleNum=0;
int rowNum = 1;
int startRow=0;
for(List<LinkedHashMap<Object,Object>> list:data){
//放入数据
//创建标题行
//主标题
HSSFRow title = null;
//行标题
HSSFRow row = null;
//为了避免标题对内容进行覆盖
if(rowNum==1){
title=sheet.createRow(0);
row = sheet.createRow(rowNum);
rowNum++;
}else{
//让标题与上一行内容存在两个空行
startRow=rowNum+2;
title=sheet.createRow(startRow);
row = sheet.createRow(rowNum+3);
rowNum+=4;
}
PageData pd=titles.get(titleNum);
//headers表示excel表中第一行的表头
String[] headers=pd.getString("headers").split(",");
//创建主标题
HSSFCell tieleCell = title.createCell(0);
tieleCell.setCellValue(pd.getString("title"));
tieleCell.setCellStyle(styleMain);
for(int i=1;i<=headers.length;i++){
HSSFCell cell = title.createCell(i);
//
HSSFRichTextString text = new HSSFRichTextString(headers[i]);
cell.setCellValue("");
cell.setCellStyle(styleMain);
}
// 合并日期占两行(4个参数，分别为起始行，结束行，起始列，结束列)
// 行和列都是从0开始计数，且起始结束都会合并
// 这里是合并excel中日期的两行为一行
CellRangeAddress region = new CellRangeAddress(startRow, startRow, 0, headers.length-1);
sheet.addMergedRegion(region);
//主标题创建结束
//在excel表中添加表头
for(int i=0;i<headers.length;i++){
HSSFCell cell = row.createCell(i);
HSSFRichTextString text = new HSSFRichTextString(headers[i]);
cell.setCellValue(text);
cell.setCellStyle(styleMain);
}
//表头添加结束
//遍历集合数据
for(LinkedHashMap<Object,Object> p
:list){
//依次创建行
HSSFRow row1 = sheet.createRow(rowNum);
int i=0;
//遍历数据
for (Object key: p.keySet()){
//创建行中列 并放入数据
HSSFCell cell = row1.createCell(i);
String value=String.valueOf(p.get(key));
cell.setCellValue(value!=null?value:"");
if("null".equals(value)){
cell.setCellValue("");
}
cell.setCellStyle(cellStyle_C);
i++;
}
row1.setHeight((short) (26*10));
rowNum++;
}
//自动调整列宽
for (int i = 0;i <headers.length;i++){
if(i==headers.length-2){
sheet.setColumnWidth(i, 20 * 256);
break;
}
if(i==3){
sheet.setColumnWidth(i, 20 * 256);
continue;
}
sheet.autoSizeColumn(i, true);
}
titleNum++;
//
}
}
sheetNum++;
}
//保存Excel文件
workbook.write(out);
//关闭文件流
out.close();
}
/**
* 导出excel
含多个sheet 每个sheet中的标题不一致
* @param pds 需要导出的数据
* @param titles 导出excel公用数据，需包含title（标题）、headers（逗号隔开，为导出表头）,可以List<PageData>不一致
* @param fileName (文件名，只须写上名字，这里会进行处理拼接)
* @param request
* @param response
* 注意 titles里面的数据顺序要与pds中一致
不然导出时会出现标题与内容不符
* @return
*/
public static void exportSheetTitle(LinkedHashMap<String,List<List<LinkedHashMap<Object,Object>>>> pds, LinkedList<List<PageData>> titles,
String fileName,HttpServletRequest request, HttpServletResponse response) throws IOException {
if(pds.size()<1){
//
return StatusCode.IS_NULL;
return;
}
HSSFWorkbook workbook = new HSSFWorkbook();
//取得输出流
OutputStream out = response.getOutputStream();
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy年MM月dd日HH时mm分ss秒");
//重命名
fileName+=dateFormat.format(new Date());;
//清空缓存
response.reset();
//设置相应内容的编码格式
response.setCharacterEncoding("UTF-8");
//文件名乱码
//获得浏览器信息并转换为大写
String agent = request.getHeader("User-Agent").toUpperCase();
//IE浏览器和Edge浏览器
if (agent.indexOf("MSIE") > 0 || (agent.indexOf("GECKO")>0 && agent.indexOf("RV:11")>0)) {
fileName = URLEncoder.encode(fileName, "UTF-8");
} else {
//其他浏览器
fileName = new String(fileName.getBytes("UTF-8"), "iso-8859-1");
}
response.setHeader("Content-Disposition", "attachment;filename=" + fileName + ".xls");
//定义输出类型
response.setContentType("application/msexcel");
int sheetNum=0;
for(String nameKey:pds.keySet()){
List<List<LinkedHashMap<Object,Object>>> data=pds.get(nameKey);
//设置标题
HSSFSheet sheet = workbook.createSheet();
//工地/消纳场名作为sheet名
workbook.setSheetName(sheetNum,nameKey);
//表头字体
Font headerFont = workbook.createFont();
headerFont.setFontName("微软雅黑");
headerFont.setColor(HSSFFont.COLOR_NORMAL);
headerFont.setBold(true);
//创建单元格，并设置值表头 设置表头居中
HSSFCellStyle styleMain = workbook.createCellStyle();
//水平居中
styleMain.setAlignment(HorizontalAlignment.CENTER);
styleMain.setFont(headerFont);
//导出样式
HSSFCellStyle cellStyle_C = workbook.createCellStyle();
// 自动换行
cellStyle_C.setWrapText(true);
cellStyle_C.setAlignment(HorizontalAlignment.CENTER);
int titleNum=0;
int rowNum = 1;
int startRow=0;
for(List<LinkedHashMap<Object,Object>> list:data){
//放入数据
//创建标题行
//主标题
HSSFRow title = null;
//行标题
HSSFRow row = null;
//为了避免标题对内容进行覆盖
if(rowNum==1){
title=sheet.createRow(0);
row = sheet.createRow(rowNum);
rowNum++;
}else{
//让标题与上一行内容存在两个空行
startRow=rowNum+2;
title=sheet.createRow(startRow);
row = sheet.createRow(rowNum+3);
rowNum+=4;
}
//遍历每个sheet中的标题
for(PageData pd:titles.get(sheetNum)){
//headers表示excel表中第一行的表头
String[] headers=pd.getString("headers").split(",");
//创建主标题
HSSFCell tieleCell = title.createCell(0);
tieleCell.setCellValue(pd.getString("title"));
tieleCell.setCellStyle(styleMain);
for(int i=1;i<=headers.length;i++){
HSSFCell cell = title.createCell(i);
//
HSSFRichTextString text = new HSSFRichTextString(headers[i]);
cell.setCellValue("");
cell.setCellStyle(styleMain);
}
// 合并日期占两行(4个参数，分别为起始行，结束行，起始列，结束列)
// 行和列都是从0开始计数，且起始结束都会合并
// 这里是合并excel中日期的两行为一行
CellRangeAddress region = new CellRangeAddress(startRow, startRow, 0, headers.length-1);
sheet.addMergedRegion(region);
//主标题创建结束
//在excel表中添加表头
for(int i=0;i<headers.length;i++){
HSSFCell cell = row.createCell(i);
HSSFRichTextString text = new HSSFRichTextString(headers[i]);
cell.setCellValue(text);
cell.setCellStyle(styleMain);
}
//表头添加结束
//遍历集合数据
for(LinkedHashMap<Object,Object> p
:list){
//依次创建行
HSSFRow row1 = sheet.createRow(rowNum);
int i=0;
//遍历数据
for (Object key: p.keySet()){
//创建行中列 并放入数据
HSSFCell cell = row1.createCell(i);
String value=String.valueOf(p.get(key));
cell.setCellValue(value!=null?value:"");
if("null".equals(value)){
cell.setCellValue("");
}
cell.setCellStyle(cellStyle_C);
i++;
}
row1.setHeight((short) (26*10));
rowNum++;
}
//自动调整列宽
for (int i = 0;i <headers.length;i++){
if(i==headers.length-2){
sheet.setColumnWidth(i, 20 * 256);
break;
}
if(i==3){
sheet.setColumnWidth(i, 20 * 256);
continue;
}
sheet.autoSizeColumn(i, true);
}
}
titleNum++;
//
}
}
sheetNum++;
}
//保存Excel文件
workbook.write(out);
//关闭文件流
out.close();
}
/**
* 导出excel
* @qkp
*
* @param pds 需要导出的数据
* @param pd 导出excel公用数据，需包含templateFile（模板文件），fileName(文件名，只须写上名字，这里会进行处理拼接)
* @param mergeCells 合并单元格数组【firstRow,lastRow,firstCol,lastCol】
* @param request
* @param response
* @return
*/
public static void
exportData(Map<Object,Object> pds, PageData pd,int []mergeCells, HttpServletRequest request, HttpServletResponse response) {
if(pds.size()<1){
return;
}
try {
XLSTransformer transformer = new XLSTransformer();
InputStream in = new FileInputStream(new File(pd.getString("templateFile")));
XSSFWorkbook workbook =(XSSFWorkbook)transformer.transformXLS(in, pds);
Sheet sheet = workbook.getSheetAt(0);
//合并单元格需要的逻辑
sheet.addMergedRegion(new CellRangeAddress(mergeCells[0], mergeCells[1], mergeCells[2], mergeCells[3]));//合并单元格的函数
//表头字体
Font headerFont = workbook.createFont();
headerFont.setFontName("微软雅黑");
headerFont.setColor(HSSFFont.COLOR_NORMAL);
headerFont.setBold(true);
//创建单元格，并设置值表头 设置表头居中
//导出样式
XSSFCellStyle cellStyle_C = workbook.createCellStyle();
// 自动换行
cellStyle_C.setWrapText(true);
cellStyle_C.setAlignment(HorizontalAlignment.CENTER);
//取得输出流
OutputStream out = response.getOutputStream();
//清空缓存
response.reset();
//设置相应内容的编码格式
response.setCharacterEncoding("UTF-8");
//1.导出名称
String fileName =pd.getString("fileName");
//文件名乱码
//获得浏览器信息并转换为大写
String agent = request.getHeader("User-Agent").toUpperCase();
//IE浏览器和Edge浏览器
if (agent.indexOf("MSIE") > 0 || (agent.indexOf("GECKO")>0 && agent.indexOf("RV:11")>0)) {
fileName = URLEncoder.encode(fileName, "UTF-8");
} else {
//其他浏览器
fileName = new String(fileName.getBytes("UTF-8"), "iso-8859-1");
}
response.setHeader("Content-Disposition", "attachment;filename=" + fileName + ".xlsx");
//定义输出类型
//response.setContentType("application/msexcel");
response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
//保存Excel文件
workbook.write(out);
//关闭文件流
out.close();
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 导出excel
* @author qkp
* @param pds 需要导出的数据
* @param pd 导出excel公用数据，需包含title（标题）、headers（逗号隔开，为导出表头），fileName(文件名，只须写上名字，这里会进行处理拼接)
* @param request
* @param response
* @return
*/
public static void
exportData2(List<LinkedHashMap<Object,Object>> pds, PageData pd, HttpServletRequest request, HttpServletResponse response) {
if(pds.size()<1){
return;
}
try {
HSSFWorkbook workbook = new HSSFWorkbook();
//设置标题
HSSFSheet sheet = workbook.createSheet();
//headers表示excel表中第一行的表头
String[] headers=pd.getString("headers").split(",");
//表头字体
Font headerFont = workbook.createFont();
headerFont.setFontName("微软雅黑");
headerFont.setColor(HSSFFont.COLOR_NORMAL);
headerFont.setBold(true);
//创建单元格，并设置值表头 设置表头居中
HSSFCellStyle styleMain = workbook.createCellStyle();
//水平居中
styleMain.setAlignment(HorizontalAlignment.CENTER);
styleMain.setFont(headerFont);
styleMain.setBorderBottom(BorderStyle.THIN);
styleMain.setBottomBorderColor(IndexedColors.BLACK.getIndex());
styleMain.setBorderTop(BorderStyle.THIN);
styleMain.setTopBorderColor(IndexedColors.BLACK.getIndex());
styleMain.setBorderLeft(BorderStyle.THIN);
styleMain.setLeftBorderColor(IndexedColors.BLACK.getIndex());
styleMain.setBorderRight(BorderStyle.THIN);
styleMain.setRightBorderColor(IndexedColors.BLACK.getIndex());
//导出样式
HSSFCellStyle cellStyle_C = workbook.createCellStyle();
// 自动换行
cellStyle_C.setWrapText(true);
cellStyle_C.setAlignment(HorizontalAlignment.CENTER);
cellStyle_C.setBorderBottom(BorderStyle.THIN);
cellStyle_C.setBottomBorderColor(IndexedColors.BLACK.getIndex());
cellStyle_C.setBorderTop(BorderStyle.THIN);
cellStyle_C.setTopBorderColor(IndexedColors.BLACK.getIndex());
cellStyle_C.setBorderLeft(BorderStyle.THIN);
cellStyle_C.setLeftBorderColor(IndexedColors.BLACK.getIndex());
cellStyle_C.setBorderRight(BorderStyle.THIN);
cellStyle_C.setRightBorderColor(IndexedColors.BLACK.getIndex());
//创建列标题行
HSSFRow row = sheet.createRow(0);
//标题行样式
HSSFCellStyle titleStyle = workbook.createCellStyle();
//表头字体
Font titleFont = workbook.createFont();
titleFont.setFontName("微软雅黑");
titleFont.setColor(HSSFFont.COLOR_NORMAL);
titleFont.setBold(true);
titleFont.setFontHeightInPoints((short)18);
titleStyle.setFont(titleFont);
titleStyle.setAlignment(HorizontalAlignment.CENTER);
HSSFCell titleCell =row.createCell(0);
titleCell.setCellValue(pd.getString("title"));
titleCell.setCellStyle(titleStyle);
//合并单元格需要的逻辑
sheet.addMergedRegion(new CellRangeAddress(0, 0, 0,headers.length-1 ));//合并单元格的函数
row.setRowStyle(titleStyle);
row.setHeightInPoints(56);
//列表题
row = sheet.createRow(1);
row.setHeightInPoints(39);
//在excel表中添加表头
for(int i=0;i<headers.length;i++){
HSSFCell cell = row.createCell(i);
HSSFRichTextString text = new HSSFRichTextString(headers[i]);
cell.setCellValue(text);
cell.setCellStyle(styleMain);
}
int rowNum = 2;
//遍历集合数据
for(LinkedHashMap<Object,Object> p
:pds){
//依次创建行
HSSFRow row1 = sheet.createRow(rowNum);
int i=0;
//遍历数据
for (Object key: p.keySet()){
//创建行中列 并放入数据
HSSFCell cell = row1.createCell(i);
String value=String.valueOf(p.get(key));
cell.setCellValue(value!=null?value:"");
if("null".equals(value)){
cell.setCellValue("");
}
cell.setCellStyle(cellStyle_C);
i++;
}
//row1.setHeight((short) (26*10));
rowNum++;
}
//自动调整列宽
for (int i = 0;i <headers.length;i++){
if(i==headers.length-2){
sheet.setColumnWidth(i, 20 * 256);
break;
}
if(i==3){
sheet.setColumnWidth(i, 20 * 256);
continue;
}
sheet.autoSizeColumn(i);
//sheet.autoSizeColumn(i, true);
}
//取得输出流
OutputStream out = response.getOutputStream();
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy年MM月dd日HH时mm分ss秒");
//清空缓存
response.reset();
//设置相应内容的编码格式
response.setCharacterEncoding("UTF-8");
//1.导出名称
String fileName =pd.getString("fileName")+dateFormat.format(new Date());
//文件名乱码
//获得浏览器信息并转换为大写
String agent = request.getHeader("User-Agent").toUpperCase();
//IE浏览器和Edge浏览器
if (agent.indexOf("MSIE") > 0 || (agent.indexOf("GECKO")>0 && agent.indexOf("RV:11")>0)) {
fileName = URLEncoder.encode(fileName, "UTF-8");
} else {
//其他浏览器
fileName = new String(fileName.getBytes("UTF-8"), "iso-8859-1");
}
response.setHeader("Content-Disposition", "attachment;filename=" + fileName + ".xls");
//定义输出类型
response.setContentType("application/msexcel");
//保存Excel文件
workbook.write(out);
//关闭文件流
out.close();
} catch (Exception e) {
e.printStackTrace();
//
return StatusCode.ERROR;
}
//
return StatusCode.SUCCESS;
}
}