新版excel优化

chenjiahe

2023-09-18 756acbd7d971fbeebe224bdedfdd1a3e0a195dc2

 src/main/java/com/hx/util/ExcelUtil.java

@@ -1,13 +1,14 @@
package com.hx.util;

import com.hx.exception.TipsException;
import org.apache.poi.POIXMLDocument;
import com.monitorjbl.xlsx.StreamingReader;
import org.apache.poi.hssf.usermodel.*;
import org.apache.poi.openxml4j.opc.OPCPackage;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.xssf.streaming.SXSSFWorkbook;
import org.apache.poi.xssf.usermodel.*;
import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.web.multipart.MultipartFile;

import javax.imageio.ImageIO;
@@ -61,7 +62,7 @@
         // 在索引0的位置创建单元格（左上端）
         cell = row.createCell(i);
         // 定义单元格为字符串类型
         cell.setCellType(HSSFCell.CELL_TYPE_STRING);
         //cell.setCellType(HSSFCell.CELL_TYPE_STRING);
         // 在单元格中输入一些内容
         cell.setCellValue(headList[i]);
      }
@@ -78,7 +79,7 @@
               // 在索引0的位置创建单元格（左上端）
               cell = row_value.createCell(i);
               // 定义单元格为字符串类型
               cell.setCellType(HSSFCell.CELL_TYPE_STRING);
               //cell.setCellType(HSSFCell.CELL_TYPE_STRING);
               // 在单元格中输入一些内容
               cell.setCellValue(objToString(dataMap.get(fieldList[i])));
            }
@@ -131,7 +132,7 @@
            // 在索引0的位置创建单元格（左上端）
            cell = row.createCell(i);
            // 定义单元格为字符串类型
            cell.setCellType(HSSFCell.CELL_TYPE_STRING);
            //cell.setCellType(HSSFCell.CELL_TYPE_STRING);
            // 在单元格中输入一些内容
            cell.setCellValue(headList[i]);
         }
@@ -148,7 +149,7 @@
                  // 在索引0的位置创建单元格（左上端）
                  cell = row_value.createCell(i);
                  // 定义单元格为字符串类型
                  cell.setCellType(HSSFCell.CELL_TYPE_STRING);
                  //cell.setCellType(HSSFCell.CELL_TYPE_STRING);
                  // 在单元格中输入一些内容
                  cell.setCellValue(objToString(dataMap.get(fieldList[i])));
               }
@@ -197,8 +198,8 @@
         //合并的单元格样式
         HSSFCellStyle boderStyle = workbook.createCellStyle();
         //垂直居中
         boderStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);
         boderStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER); // 创建一个居中格式
         boderStyle.setVerticalAlignment(VerticalAlignment.CENTER);
         boderStyle.setAlignment(HorizontalAlignment.CENTER); // 创建一个居中格式

         // 在Excel工作簿中建一工作表，其名为缺省值
         // 如要新建一名为"效益指标"的工作表，其语句为：
@@ -215,7 +216,7 @@
            // 在索引0的位置创建单元格（左上端）
            cell = row.createCell(i);
            // 定义单元格为字符串类型
            cell.setCellType(HSSFCell.CELL_TYPE_STRING);
            //cell.setCellType(HSSFCell.CELL_TYPE_STRING);
            // 在单元格中输入一些内容
            cell.setCellValue(headList[i]);
            cell.setCellStyle(boderStyle);
@@ -235,7 +236,7 @@
                  sheet.setColumnWidth(i,width);
                  cell = row_value.createCell(i);
                  // 定义单元格为字符串类型
                  cell.setCellType(HSSFCell.CELL_TYPE_STRING);
                  //cell.setCellType(HSSFCell.CELL_TYPE_STRING);
                  // 在单元格中输入一些内容
                  cell.setCellValue(objToString(dataMap.get(fieldList[i])));
                  cell.setCellStyle(boderStyle);
@@ -288,8 +289,8 @@
         //合并的单元格样式
         CellStyle boderStyle = workbook.createCellStyle();
         //垂直居中
         boderStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);
         boderStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER); // 创建一个居中格式
         boderStyle.setVerticalAlignment(VerticalAlignment.CENTER);
         boderStyle.setAlignment(HorizontalAlignment.CENTER); // 创建一个居中格式

         // 在Excel工作簿中建一工作表，其名为缺省值
         // 如要新建一名为"效益指标"的工作表，其语句为：
@@ -306,7 +307,7 @@
            // 在索引0的位置创建单元格（左上端）
            cell = row.createCell(i);
            // 定义单元格为字符串类型
            cell.setCellType(HSSFCell.CELL_TYPE_STRING);
            //cell.setCellType(HSSFCell.CELL_TYPE_STRING);
            // 在单元格中输入一些内容
            cell.setCellValue(headList[i]);
            cell.setCellStyle(boderStyle);
@@ -326,7 +327,7 @@
                  sheet.setColumnWidth(i,width);
                  cell = row_value.createCell(i);
                  // 定义单元格为字符串类型
                  cell.setCellType(HSSFCell.CELL_TYPE_STRING);
                  //cell.setCellType(HSSFCell.CELL_TYPE_STRING);
                  // 在单元格中输入一些内容
                  cell.setCellValue(objToString(dataMap.get(fieldList[i])));
                  cell.setCellStyle(boderStyle);
@@ -431,9 +432,9 @@
                  HSSFCell cell = hssfrow.getCell(i);
                  if (cell == null) {
                     arrayString.add("");
                  } else if (cell.getCellType() == 0) {
                  } else if (cell.getCellType() == CellType.NUMERIC) {
                     // arrayString[i] = new Double(cell.getNumericCellValue()).toString();
                     if (HSSFCell.CELL_TYPE_NUMERIC == cell.getCellType()) {
                     if (CellType.NUMERIC == cell.getCellType()) {
                        short format = cell.getCellStyle().getDataFormat();
                        if(format == 14 || format == 31 || format == 57 || format == 58){
                           //日期（中文时间格式的）
@@ -449,24 +450,24 @@
                           arrayString.add(formater.format(d));
                           //arrayString[i] = formater.format(d);
                        } else {
                           if(HSSFCell.CELL_TYPE_STRING == cell.getCellType()){
                           if(CellType.STRING == cell.getCellType()){
                              arrayString.add(cell.getStringCellValue());
                              //arrayString[i] =cell.getStringCellValue();
                           }else if(HSSFCell.CELL_TYPE_FORMULA==cell.getCellType()){
                           }else if(CellType.FORMULA==cell.getCellType()){
                              arrayString.add(cell.getCellFormula());
                              //arrayString[i] =cell.getCellFormula();
                           }else if(HSSFCell.CELL_TYPE_NUMERIC== cell.getCellType()){
                           }else if(CellType.NUMERIC== cell.getCellType()){
                              HSSFDataFormatter dataFormatter = new HSSFDataFormatter();
                              arrayString.add(dataFormatter.formatCellValue(cell));
                              //arrayString[i] =dataFormatter.formatCellValue(cell);
                           }
                        }
                     }
                  } else if(cell.getCellType() == Cell.CELL_TYPE_BLANK){
                  } else if(cell.getCellType() == CellType.BLANK){
                     arrayString.add("");
                     //arrayString[i] = "";
                  } else { // 如果EXCEL表格中的数据类型为字符串型
                     if(cell.getCellType() != Cell.CELL_TYPE_BOOLEAN){
                     if(cell.getCellType() != CellType.BOOLEAN){
                        arrayString.add(cell.getStringCellValue().trim());
                     }else{
                        arrayString.add(cell.getBooleanCellValue() ? "TRUE" : "FALSE");
@@ -522,9 +523,9 @@
                  XSSFCell cell = xssfrow.getCell(i);
                  if (cell == null) {
                     arrayString.add("");
                  } else if (cell.getCellType() == 0) {
                  } else if (cell.getCellType() == CellType.NUMERIC) {
                     // arrayString[i] = new Double(cell.getNumericCellValue()).toString();
                     if (XSSFCell.CELL_TYPE_NUMERIC == cell.getCellType()) {
                     if (CellType.NUMERIC == cell.getCellType()) {
                        short format = cell.getCellStyle().getDataFormat();
                        if(format == 14 || format == 31 || format == 57 || format == 58){
                           //日期（中文时间格式的）
@@ -540,24 +541,24 @@
                           arrayString.add(formater.format(d));
                           //arrayString[i] = formater.format(d);
                        } else {
                           if(XSSFCell.CELL_TYPE_STRING == cell.getCellType()){
                           if(CellType.STRING == cell.getCellType()){
                              arrayString.add(cell.getStringCellValue());
                              //arrayString[i] =cell.getStringCellValue();
                           }else if(XSSFCell.CELL_TYPE_FORMULA==cell.getCellType()){
                           }else if(CellType.FORMULA==cell.getCellType()){
                              arrayString.add(cell.getCellFormula());
                              //arrayString[i] =cell.getCellFormula();
                           }else if(XSSFCell.CELL_TYPE_NUMERIC== cell.getCellType()){
                           }else if(CellType.NUMERIC== cell.getCellType()){
                              HSSFDataFormatter dataFormatter = new HSSFDataFormatter();
                              arrayString.add(dataFormatter.formatCellValue(cell));
                              //arrayString[i] =dataFormatter.formatCellValue(cell);
                           }
                        }
                     }
                  } else if(cell.getCellType() == Cell.CELL_TYPE_BLANK){
                  } else if(cell.getCellType() == CellType.BLANK){
                     arrayString.add("");
                     //arrayString[i] = "";
                  } else { // 如果EXCEL表格中的数据类型为字符串型
                     if(cell.getCellType() != Cell.CELL_TYPE_BOOLEAN){
                     if(cell.getCellType() != CellType.BOOLEAN){
                        arrayString.add(cell.getStringCellValue().trim());
                     }else{
                        arrayString.add(cell.getBooleanCellValue() ? "TRUE" : "FALSE");
@@ -576,17 +577,9 @@


   /**判断excel的版本*/
   public static Workbook create(InputStream inp) throws Exception {
      if (!inp.markSupported()) {
         inp = new PushbackInputStream(inp, 8);
      }
      if (POIFSFileSystem.hasPOIFSHeader(inp)) {
         return new HSSFWorkbook(inp);
      }
      if (POIXMLDocument.hasOOXMLHeader(inp)) {
         return new XSSFWorkbook(OPCPackage.open(inp));
      }
      throw new IllegalArgumentException("你的excel版本目前poi解析不了");
   public static Workbook create(InputStream inp) throws IOException {
      //这样写  excel 能兼容03和07
      return WorkbookFactory.create(inp);
   }

   /**读取excel文件，兼容2003和2007
@@ -607,12 +600,20 @@
         Workbook book = create(new BufferedInputStream(new FileInputStream(file)));

         // 遍历该表格中所有的工作表，i表示工作表的数量 getNumberOfSheets表示工作表的总数
         Sheet hssfsheet;
         Row hssfrow;
         List<String> arrayString;
         Cell cell;
         short format;
         Date d;
         DateFormat formater;
         HSSFDataFormatter dataFormatter;
         for(int s=0;s<book.getNumberOfSheets();s++) {
            Sheet hssfsheet = book.getSheetAt(s);
            hssfsheet = book.getSheetAt(s);
            int col = 0;
            // 遍历该行所有的行,j表示行数 getPhysicalNumberOfRows行的总数 去除标题
            for (int j = 0; j < hssfsheet.getPhysicalNumberOfRows(); j++) {
               Row hssfrow = hssfsheet.getRow(j);
               hssfrow = hssfsheet.getRow(j);
               if(hssfrow!=null){
                  if(j == 0) {
                     col = hssfrow.getPhysicalNumberOfCells();
@@ -622,43 +623,43 @@
                     }
                  }
                  // 单行数据
                  List<String> arrayString = new ArrayList<>();
                  arrayString = new ArrayList<>();
                  for (int i = 0; i < col; i++) {
                     Cell cell = hssfrow.getCell(i);
                     cell = hssfrow.getCell(i);
                     if (cell == null) {
                        arrayString.add("");
                     } else if (cell.getCellType() == 0) {
                     } else if (cell.getCellType() == CellType.NUMERIC) {
                        // arrayString[i] = new Double(cell.getNumericCellValue()).toString();
                        if (HSSFCell.CELL_TYPE_NUMERIC == cell.getCellType()) {
                           short format = cell.getCellStyle().getDataFormat();
                        if (CellType.NUMERIC == cell.getCellType()) {
                           format = cell.getCellStyle().getDataFormat();
                           if(format == 14 || format == 31 || format == 57 || format == 58){
                              //日期（中文时间格式的）
                              Date d = cell.getDateCellValue();
                              DateFormat formater = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
                               d = cell.getDateCellValue();
                               formater = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
                              // DateFormat formater = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
                              arrayString.add(formater.format(d));
                              //arrayString[i] = formater.format(d);
                           }else if (HSSFDateUtil.isCellDateFormatted(cell)) {
                              Date d = cell.getDateCellValue();
                              d = cell.getDateCellValue();
                              //DateFormat formater = new SimpleDateFormat("yyyy年MM月dd日 HH时mm分ss秒");
                              DateFormat formater = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
                              formater = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
                              arrayString.add(formater.format(d));
                              //arrayString[i] = formater.format(d);
                           } else {
                              if(HSSFCell.CELL_TYPE_STRING == cell.getCellType()){
                              if(CellType.STRING == cell.getCellType()){
                                 arrayString.add(cell.getStringCellValue());
                                 //arrayString[i] =cell.getStringCellValue();
                              }else if(HSSFCell.CELL_TYPE_FORMULA==cell.getCellType()){
                              }else if(CellType.FORMULA==cell.getCellType()){
                                 arrayString.add(cell.getCellFormula());
                                 //arrayString[i] =cell.getCellFormula();
                              }else if(HSSFCell.CELL_TYPE_NUMERIC== cell.getCellType()){
                                 HSSFDataFormatter dataFormatter = new HSSFDataFormatter();
                              }else if(CellType.NUMERIC== cell.getCellType()){
                                 dataFormatter = new HSSFDataFormatter();
                                 arrayString.add(dataFormatter.formatCellValue(cell));
                                 //arrayString[i] =dataFormatter.formatCellValue(cell);
                              }
                           }
                        }
                     } else if(cell.getCellType() == Cell.CELL_TYPE_BLANK){
                     } else if(cell.getCellType() == CellType.BLANK){
                        arrayString.add("");
                        //arrayString[i] = "";
                     } else { // 如果EXCEL表格中的数据类型为字符串型
@@ -676,8 +677,6 @@
      }
      return null;
   }



   /**读取excel文件，兼容2003和2007
    * 通过流读取Excel文件
@@ -696,13 +695,21 @@
         List<List<String>> list = new ArrayList<>();
         Workbook book = create(new BufferedInputStream(file.getInputStream()));

         Sheet hssfsheet;
         Row hssfrow;
         List<String> arrayString;
         Cell cell;
         short format;
         Date d;
         DateFormat formater;
         HSSFDataFormatter dataFormatter;
         // 遍历该表格中所有的工作表，i表示工作表的数量 getNumberOfSheets表示工作表的总数
         for(int s=0;s<book.getNumberOfSheets();s++) {
            Sheet hssfsheet = book.getSheetAt(s);
            hssfsheet = book.getSheetAt(s);
            int col = 0;
            // 遍历该行所有的行,j表示行数 getPhysicalNumberOfRows行的总数 去除标题
            for (int j = 0; j < hssfsheet.getPhysicalNumberOfRows(); j++) {
               Row hssfrow = hssfsheet.getRow(j);
               hssfrow = hssfsheet.getRow(j);
               if(hssfrow!=null){
                  if(j == 0) {
                     col = hssfrow.getPhysicalNumberOfCells();
@@ -712,43 +719,43 @@
                     }
                  }
                  // 单行数据
                  List<String> arrayString = new ArrayList<>();
                  arrayString = new ArrayList<>();
                  for (int i = 0; i < col; i++) {
                     Cell cell = hssfrow.getCell(i);
                     cell = hssfrow.getCell(i);
                     if (cell == null) {
                        arrayString.add("");
                     } else if (cell.getCellType() == 0) {
                     } else if (cell.getCellType() == CellType.NUMERIC) {
                        // arrayString[i] = new Double(cell.getNumericCellValue()).toString();
                        if (HSSFCell.CELL_TYPE_NUMERIC == cell.getCellType()) {
                           short format = cell.getCellStyle().getDataFormat();
                        if (CellType.NUMERIC == cell.getCellType()) {
                           format = cell.getCellStyle().getDataFormat();
                           if(format == 14 || format == 31 || format == 57 || format == 58){
                              //日期（中文时间格式的）
                              Date d = cell.getDateCellValue();
                              DateFormat formater = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
                              d = cell.getDateCellValue();
                              formater = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
                              // DateFormat formater = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
                              arrayString.add(formater.format(d));
                              //arrayString[i] = formater.format(d);
                           }else if (HSSFDateUtil.isCellDateFormatted(cell)) {
                              Date d = cell.getDateCellValue();
                              d = cell.getDateCellValue();
                              //DateFormat formater = new SimpleDateFormat("yyyy年MM月dd日 HH时mm分ss秒");
                              DateFormat formater = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
                              formater = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
                              arrayString.add(formater.format(d));
                              //arrayString[i] = formater.format(d);
                           } else {
                              if(HSSFCell.CELL_TYPE_STRING == cell.getCellType()){
                              if(CellType.STRING == cell.getCellType()){
                                 arrayString.add(cell.getStringCellValue());
                                 //arrayString[i] =cell.getStringCellValue();
                              }else if(HSSFCell.CELL_TYPE_FORMULA==cell.getCellType()){
                              }else if(CellType.FORMULA==cell.getCellType()){
                                 arrayString.add(cell.getCellFormula());
                                 //arrayString[i] =cell.getCellFormula();
                              }else if(HSSFCell.CELL_TYPE_NUMERIC== cell.getCellType()){
                                 HSSFDataFormatter dataFormatter = new HSSFDataFormatter();
                              }else if(CellType.NUMERIC== cell.getCellType()){
                                 dataFormatter = new HSSFDataFormatter();
                                 arrayString.add(dataFormatter.formatCellValue(cell));
                                 //arrayString[i] =dataFormatter.formatCellValue(cell);
                              }
                           }
                        }
                     } else if(cell.getCellType() == Cell.CELL_TYPE_BLANK){
                     } else if(cell.getCellType() == CellType.BLANK){
                        arrayString.add("");
                        //arrayString[i] = "";
                     } else { // 如果EXCEL表格中的数据类型为字符串型
@@ -767,39 +774,244 @@
      return null;
   }

   /**读取excel文件，兼容2003和2007
    * 通过流读取Excel文件
    * @return
    * @throws Exception
    */
   public static List<List<String>> getExcelDataCompatible(InputStream inputStream,boolean header) throws Exception {
      try {
         // 结果集
         List<List<String>> list = new ArrayList<>();
         Workbook book = create(new BufferedInputStream(inputStream));

   private static String getCellVal(Cell cell) {
      if (null == cell) {
         return "";
      }
      switch (cell.getCellType()) {
         // 数字
         case HSSFCell.CELL_TYPE_NUMERIC:
            // 日期格式的处理
            if (HSSFDateUtil.isCellDateFormatted(cell)) {
               SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
               return sdf.format(HSSFDateUtil.getJavaDate(cell.getNumericCellValue())).toString();
         Sheet hssfsheet;
         Row hssfrow;
         List<String> arrayString;
         Cell cell;
         short format;
         Date d;
         DateFormat formater;
         HSSFDataFormatter dataFormatter;
         // 遍历该表格中所有的工作表，i表示工作表的数量 getNumberOfSheets表示工作表的总数
         for(int s=0;s<book.getNumberOfSheets();s++) {
            hssfsheet = book.getSheetAt(s);
            int col = 0;
            // 遍历该行所有的行,j表示行数 getPhysicalNumberOfRows行的总数 去除标题
            for (int j = 0; j < hssfsheet.getPhysicalNumberOfRows(); j++) {
               hssfrow = hssfsheet.getRow(j);
               if(hssfrow!=null){
                  if(j == 0) {
                     col = hssfrow.getPhysicalNumberOfCells();
                     if(!header) {
                        //不包括表头
                        continue;
                     }
                  }
                  // 单行数据
                  arrayString = new ArrayList<>();
                  for (int i = 0; i < col; i++) {
                     cell = hssfrow.getCell(i);
                     if (cell == null) {
                        arrayString.add("");
                     } else if (cell.getCellType() == CellType.NUMERIC) {
                        // arrayString[i] = new Double(cell.getNumericCellValue()).toString();
                        if (CellType.NUMERIC == cell.getCellType()) {
                           format = cell.getCellStyle().getDataFormat();
                           if(format == 14 || format == 31 || format == 57 || format == 58){
                              //日期（中文时间格式的）
                              d = cell.getDateCellValue();
                              formater = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
                              // DateFormat formater = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
                              arrayString.add(formater.format(d));
                              //arrayString[i] = formater.format(d);
                           }else if (HSSFDateUtil.isCellDateFormatted(cell)) {
                              d = cell.getDateCellValue();
                              //DateFormat formater = new SimpleDateFormat("yyyy年MM月dd日 HH时mm分ss秒");
                              formater = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
                              arrayString.add(formater.format(d));
                              //arrayString[i] = formater.format(d);
                           } else {
                              if(CellType.STRING == cell.getCellType()){
                                 arrayString.add(cell.getStringCellValue());
                                 //arrayString[i] =cell.getStringCellValue();
                              }else if(CellType.FORMULA==cell.getCellType()){
                                 arrayString.add(cell.getCellFormula());
                                 //arrayString[i] =cell.getCellFormula();
                              }else if(CellType.NUMERIC== cell.getCellType()){
                                 dataFormatter = new HSSFDataFormatter();
                                 arrayString.add(dataFormatter.formatCellValue(cell));
                                 //arrayString[i] =dataFormatter.formatCellValue(cell);
                              }
                           }
                        }
                     } else if(cell.getCellType() == CellType.BLANK){
                        arrayString.add("");
                        //arrayString[i] = "";
                     } else { // 如果EXCEL表格中的数据类型为字符串型
                        arrayString.add(cell.getStringCellValue().trim());
                        //arrayString[i] = cell.getStringCellValue().trim();
                     }
                  }
                  list.add(arrayString);
               }
            }
            return String.valueOf(cell.getNumericCellValue());
         // 字符串
         case HSSFCell.CELL_TYPE_STRING:
            return cell.getStringCellValue();
         // 公式
         case HSSFCell.CELL_TYPE_FORMULA:
            return cell.getCellFormula();
         // 空白
         case HSSFCell.CELL_TYPE_BLANK:
            return "";
         case HSSFCell.CELL_TYPE_BOOLEAN:
            return cell.getBooleanCellValue() + "";
         // 错误类型
         case HSSFCell.CELL_TYPE_ERROR:
            return cell.getErrorCellValue() + "";
         default:
            break;
         }
         return list;
      } catch (Exception e) {
         e.printStackTrace();
      }
      return "";
      return null;
   }

   /**
    * 新版读取Excel，只支持2007以上版本，也就是xslx格式
    * 支持大数据量
    * @param file 文件
    * @return 数据
    */
   public static List<List<String>> readExcelData(File file){
      if(!isExcel(file)){
         throw new TipsException("请上传excel的文件格式！");
      }
      List<List<String>> listData = new ArrayList<>();
      try{
         //rowCacheSize 缓存到内存中的行数(默认是10)
         //bufferSize 读取资源时，缓存到内存的字节大小(默认是1024)
         //open InputStream或者XLSX格式的File(必须)
         Workbook book = StreamingReader.builder()
               .rowCacheSize(100)
               .bufferSize(10240)
               .open(new FileInputStream(file));
         listData =readhandle(book);
      }catch (Exception e){
         e.printStackTrace();
         throw new RuntimeException(e.getMessage());
      }
      return listData;
   }

   /**
    * 新版读取Excel，只支持2007以上版本，也就是xslx格式
    * 支持大数据量
    * @param file 文件
    * @return 数据
    */
   public static List<List<String>> readExcelData(MultipartFile file){
      if(!isExcel(file)){
         throw new TipsException("请上传excel的文件格式！");
      }
      List<List<String>> listData = new ArrayList<>();
      try{
         //rowCacheSize 缓存到内存中的行数(默认是10)
         //bufferSize 读取资源时，缓存到内存的字节大小(默认是1024)
         //open InputStream或者XLSX格式的File(必须)
         Workbook book = StreamingReader.builder()
               .rowCacheSize(100)
               .bufferSize(10240)
               .open(new BufferedInputStream(file.getInputStream()));

         listData =readhandle(book);
      }catch (Exception e){
         e.printStackTrace();
         throw new RuntimeException(e.getMessage());
      }
      return listData;
   }

   /**
    * 新版读取Excel，只支持2007以上版本，也就是xslx格式
    * 支持大数据量
    * @param file 文件
    * @return 数据
    */
   public static List<List<String>> readExcelData(InputStream file){
      List<List<String>> listData = new ArrayList<>();
      try{
         //rowCacheSize 缓存到内存中的行数(默认是10)
         //bufferSize 读取资源时，缓存到内存的字节大小(默认是1024)
         //open InputStream或者XLSX格式的File(必须)
         Workbook book = StreamingReader.builder()
               .rowCacheSize(100)
               .bufferSize(10240)
               .open(file);

         listData =readhandle(book);
      }catch (Exception e){
         e.printStackTrace();
         throw new RuntimeException(e.getMessage());
      }
      return listData;
   }

   /**处理数据*/
   public static List<List<String>> readhandle(Workbook book){
      List<List<String>> listData = new ArrayList<>();

      //是否存在数据
      boolean isData;
      List<String> arrayString;
      short format;
      Date d;
      DateFormat formater;
      Sheet sheet;
      Cell cell;
      //遍历所有的sheet
      for(int i=0;i<book.getNumberOfSheets();i++) {
         sheet = book.getSheetAt(i);
         //列数
         Integer arrange = null;
         //遍历所有的行
         for (Row row : sheet) {
            if(row == null){
               continue;
            }
            isData = false;
            arrayString = new ArrayList<>();
            if(arrange == null){
               arrange = row.getPhysicalNumberOfCells();
            }
            //遍历所有的列
            for (int j = 0;j<arrange;j++) {
               cell = row.getCell(j);
               if (cell == null) {
                  arrayString.add("");
               } else if (cell.getCellType() == CellType.NUMERIC) {
                  isData = true;
                  format = cell.getCellStyle().getDataFormat();
                  if (format == 14 || format == 31 || format == 57 || format == 58) {
                     //日期（中文时间格式的）
                     d = cell.getDateCellValue();
                     formater = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
                     arrayString.add(formater.format(d));
                  } else if (HSSFDateUtil.isCellDateFormatted(cell)) {
                     d = cell.getDateCellValue();
                     formater = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
                     arrayString.add(formater.format(d));
                  } else {
                     if (CellType.STRING == cell.getCellType()) {
                        arrayString.add(cell.getStringCellValue());
                     } else if (CellType.FORMULA == cell.getCellType()) {
                        arrayString.add(cell.getCellFormula());
                     } else {
                        arrayString.add(cell.getStringCellValue().trim());
                     }
                  }
               } else if (cell.getCellType() == CellType.BLANK) {
                  arrayString.add("");
               } else { // 如果EXCEL表格中的数据类型为字符串型
                  isData = true;
                  arrayString.add(cell.getStringCellValue().trim());
               }
            }
            if (isData) {
               listData.add(arrayString);
            }
         }
      }
      return listData;
   }


   /**
    * p判断是否excel文件
@@ -807,16 +1019,27 @@
    * @return
    */
   public static boolean isExcel(MultipartFile file){
      String fileName = file.getOriginalFilename();
      return isExcel(file.getOriginalFilename());
   }


   /**
    * p判断是否excel文件
    * @param file
    * @return
    */
   public static boolean isExcel(File file){
      return isExcel(file.getName());
   }


   /**判断文件格式是不是excel*/
   public static boolean isExcel(String fileName){
      if (!fileName.matches("^.+\\.(?i)(xls)$") && !fileName.matches("^.+\\.(?i)(xlsx)$")) {
         return false;
      }
      return true;
   }





   public static File createExcelByImg(String[] headList, String[] fieldList, List<Map<String, Object>> dataList, Integer height, Integer width) throws Exception {
      File file = File.createTempFile("temp", ".xls");
@@ -835,8 +1058,8 @@

         HSSFWorkbook workbook = new HSSFWorkbook();
         HSSFCellStyle boderStyle = workbook.createCellStyle();
         boderStyle.setVerticalAlignment((short)1);
         boderStyle.setAlignment((short)2);
         boderStyle.setVerticalAlignment(VerticalAlignment.CENTER);
         boderStyle.setAlignment(HorizontalAlignment.CENTER);
         HSSFSheet sheet = workbook.createSheet();
         HSSFPatriarch patriarch = sheet.createDrawingPatriarch();
         HSSFRow row = sheet.createRow(0);
@@ -846,7 +1069,6 @@
            row.setHeight(height.shortValue());
            sheet.setColumnWidth(i, width);
            anchor = row.createCell(i);
            anchor.setCellType(1);
            anchor.setCellValue(headList[i]);
            anchor.setCellStyle(boderStyle);
         }
@@ -863,7 +1085,6 @@
               for(int i = 0; i < fieldList.length; ++i) {
                  sheet.setColumnWidth(i, width);
                  cell = row_value.createCell(i);
                  cell.setCellType(1);
                  Object value = dataMap.get(fieldList[i]);
                  if (value != null && "class java.io.File".equals(value.getClass().toString())) {
                     File file2 = (File)value;
@@ -873,7 +1094,7 @@
                        bufferImg = ImageIO.read(file2);
                        ImageIO.write(bufferImg, "jpg", byteArrayOut);
                        HSSFClientAnchor anchor1 = new HSSFClientAnchor(0, 0, 1023, 255, (short)i, n + 1, (short)i, n + 1);
                        anchor1.setAnchorType(0);
                        anchor1.setAnchorType(ClientAnchor.AnchorType.MOVE_AND_RESIZE);
                        patriarch.createPicture(anchor1, workbook.addPicture(byteArrayOut.toByteArray(), 5));
                     }
                  } else {
@@ -896,4 +1117,5 @@

      return file;
   }

}