导出文件工具类优化

wangrenhuang

2022-08-31 6b6bf55bd752a477643c798d9e9bba36bef277ef

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

@@ -1,24 +1,33 @@
package com.hx.util;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import com.hx.exception.TipsException;
import org.apache.poi.POIXMLDocument;
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.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
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;
import java.awt.image.BufferedImage;
import java.io.*;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;

import java.util.List;
import java.util.Map;

import com.hx.exception.TipsException;
import org.apache.poi.hssf.usermodel.*;
import org.apache.poi.ss.usermodel.Cell;
import org.springframework.web.multipart.MultipartFile;


/**
 * 
 *
 * @author hjr
 */
public final class ExcelUtil {
@@ -37,8 +46,8 @@
    * @throws Exception
    */
   public static String createExcel(String outPath, String excelName,
         String[] headList, String[] fieldList,
         List<Map<String, Object>> dataList) throws Exception {
                            String[] headList, String[] fieldList,
                            List<Map<String, Object>> dataList) throws Exception {

      String filePath = null;
      // 创建新的Excel 工作簿
@@ -80,7 +89,7 @@
      }

      // 新建一输出文件流
      File file = SimpleTool.createFile(outPath,excelName);
      File file = SimpleTool.createFile(outPath, excelName);
      FileOutputStream fOut = new FileOutputStream(file);
      // 把相应的Excel 工作簿存盘
      workbook.write(fOut);
@@ -106,7 +115,7 @@
    * @throws Exception
    */
   public static File createExcel(String[] headList, String[] fieldList,
                            List<Map<String, Object>> dataList) throws Exception {
                           List<Map<String, Object>> dataList) throws Exception {
      File file = File.createTempFile("temp", ".xls");
      try{
         // 创建新的Excel 工作簿
@@ -256,10 +265,34 @@
            return (String) obj;
         } else if (obj instanceof Date) {
            return null;// DateUtil.dateToString((Date)
                     // obj,DateUtil.DATESTYLE_SHORT_EX);
            // obj,DateUtil.DATESTYLE_SHORT_EX);
         } else {
            return obj.toString();
         }
      }
   }

   /**
    * 读取Excel数据
    * @param file
    * @param header
    * @return
    * @throws Exception
    */
   public static List<List<String>> readExcelData(MultipartFile file, boolean header) throws Exception {

      String fileName = file.getOriginalFilename();
      if (!fileName.matches("^.+\\.(?i)(xls)$") && !fileName.matches("^.+\\.(?i)(xlsx)$")) {
         throw new TipsException("上传文件格式不正确");
      }

      //判断不同格式处理方法不同
      if(fileName.matches("^.+\\.(?i)(xls)$")){
         //xls格式使用HSSF
         return readExcelByeFileData(file, header);
      }else{
         //xlsx格式使用XSSF
         return readExcelByeFileDataToXSSF(file, header);
      }
   }

@@ -339,7 +372,11 @@
                     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());
                     if(cell.getCellType() != Cell.CELL_TYPE_BOOLEAN){
                        arrayString.add(cell.getStringCellValue().trim());
                     }else{
                        arrayString.add(cell.getBooleanCellValue() ? "TRUE" : "FALSE");
                     }
                     //arrayString[i] = cell.getStringCellValue().trim();
                  }
               }
@@ -350,4 +387,419 @@
      return list;
   }

}
   /**
    * 读取 Excel文件内容
    *
    * @param file
    * @param header 是否包括表头
    * @return
    * @throws Exception
    */
   public static List<List<String>> readExcelByeFileDataToXSSF(MultipartFile file, boolean header) throws Exception {

      String fileName = file.getOriginalFilename();
      if (!fileName.matches("^.+\\.(?i)(xls)$") && !fileName.matches("^.+\\.(?i)(xlsx)$")) {
         throw new TipsException("上传文件格式不正确");
      }

      // 结果集
      List<List<String>> list = new ArrayList<>();

      XSSFWorkbook xssfWorkbook = new XSSFWorkbook(file.getInputStream());

      // 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<xssfWorkbook.getNumberOfSheets();s++) {
         XSSFSheet xssfSheet = xssfWorkbook.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 < xssfSheet.getPhysicalNumberOfRows(); j++) {
            XSSFRow xssfrow = xssfSheet.getRow(j);
            if(xssfrow!=null){
               if(j == 0) {
                  col = xssfrow.getPhysicalNumberOfCells();
                  if(!header) {
                     //不包括表头
                     continue;
                  }
               }
               // 单行数据
               List<String> arrayString = new ArrayList<>();
               for (int i = 0; i < col; i++) {
                  XSSFCell cell = xssfrow.getCell(i);
                  if (cell == null) {
                     arrayString.add("");
                  } else if (cell.getCellType() == 0) {
                     // arrayString[i] = new Double(cell.getNumericCellValue()).toString();
                     if (XSSFCell.CELL_TYPE_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）
                           Date d = cell.getDateCellValue();
                           DateFormat 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();
                           //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");
                           arrayString.add(formater.format(d));
                           //arrayString[i] = formater.format(d);
                        } else {
                           if(XSSFCell.CELL_TYPE_STRING == cell.getCellType()){
                              arrayString.add(cell.getStringCellValue());
                              //arrayString[i] =cell.getStringCellValue();
                           }else if(XSSFCell.CELL_TYPE_FORMULA==cell.getCellType()){
                              arrayString.add(cell.getCellFormula());
                              //arrayString[i] =cell.getCellFormula();
                           }else if(XSSFCell.CELL_TYPE_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){
                     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){
                        arrayString.add(cell.getStringCellValue().trim());
                     }else{
                        arrayString.add(cell.getBooleanCellValue() ? "TRUE" : "FALSE");
                     }


                     //arrayString[i] = cell.getStringCellValue().trim();
                  }
               }
               list.add(arrayString);
            }
         }
      }
      return list;
   }


   /**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");
   }

   /**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(File file,boolean header) throws Exception {
      try {

         String fileName = file.getName();
         if (!fileName.matches("^.+\\.(?i)(xls)$") && !fileName.matches("^.+\\.(?i)(xlsx)$")) {
            throw new TipsException("上传文件格式不正确");
         }

         // 结果集
         List<List<String>> list = new ArrayList<>();
         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
         for(int s=0;s<book.getNumberOfSheets();s++) {
            Sheet 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);
               if(hssfrow!=null){
                  if(j == 0) {
                     col = hssfrow.getPhysicalNumberOfCells();
                     if(!header) {
                        //不包括表头
                        continue;
                     }
                  }
                  // 单行数据
                  List<String> arrayString = new ArrayList<>();
                  for (int i = 0; i < col; i++) {
                     Cell cell = hssfrow.getCell(i);
                     if (cell == null) {
                        arrayString.add("");
                     } else if (cell.getCellType() == 0) {
                        // arrayString[i] = new Double(cell.getNumericCellValue()).toString();
                        if (HSSFCell.CELL_TYPE_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）
                              Date d = cell.getDateCellValue();
                              DateFormat 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();
                              //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");
                              arrayString.add(formater.format(d));
                              //arrayString[i] = formater.format(d);
                           } else {
                              if(HSSFCell.CELL_TYPE_STRING == cell.getCellType()){
                                 arrayString.add(cell.getStringCellValue());
                                 //arrayString[i] =cell.getStringCellValue();
                              }else if(HSSFCell.CELL_TYPE_FORMULA==cell.getCellType()){
                                 arrayString.add(cell.getCellFormula());
                                 //arrayString[i] =cell.getCellFormula();
                              }else if(HSSFCell.CELL_TYPE_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){
                        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 list;
      } catch (Exception e) {
         e.printStackTrace();
      }
      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(MultipartFile file,boolean header) throws Exception {
      try {

         String fileName = file.getOriginalFilename();
         if (!fileName.matches("^.+\\.(?i)(xls)$") && !fileName.matches("^.+\\.(?i)(xlsx)$")) {
            throw new TipsException("上传文件格式不正确");
         }

         // 结果集
         List<List<String>> list = new ArrayList<>();
         Workbook book = create(new BufferedInputStream(file.getInputStream()));

         // 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);
            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);
               if(hssfrow!=null){
                  if(j == 0) {
                     col = hssfrow.getPhysicalNumberOfCells();
                     if(!header) {
                        //不包括表头
                        continue;
                     }
                  }
                  // 单行数据
                  List<String> arrayString = new ArrayList<>();
                  for (int i = 0; i < col; i++) {
                     Cell cell = hssfrow.getCell(i);
                     if (cell == null) {
                        arrayString.add("");
                     } else if (cell.getCellType() == 0) {
                        // arrayString[i] = new Double(cell.getNumericCellValue()).toString();
                        if (HSSFCell.CELL_TYPE_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）
                              Date d = cell.getDateCellValue();
                              DateFormat 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();
                              //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");
                              arrayString.add(formater.format(d));
                              //arrayString[i] = formater.format(d);
                           } else {
                              if(HSSFCell.CELL_TYPE_STRING == cell.getCellType()){
                                 arrayString.add(cell.getStringCellValue());
                                 //arrayString[i] =cell.getStringCellValue();
                              }else if(HSSFCell.CELL_TYPE_FORMULA==cell.getCellType()){
                                 arrayString.add(cell.getCellFormula());
                                 //arrayString[i] =cell.getCellFormula();
                              }else if(HSSFCell.CELL_TYPE_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){
                        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 list;
      } catch (Exception e) {
         e.printStackTrace();
      }
      return null;
   }

   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();
            }
            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 "";
   }

   /**
    * p判断是否excel文件
    * @param file
    * @return
    */
   public static boolean isExcel(MultipartFile file){
      String fileName = file.getOriginalFilename();
      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");
      FileOutputStream fileOut = null;
      BufferedImage bufferImg = null;

      try {
         ByteArrayOutputStream byteArrayOut = new ByteArrayOutputStream();
         if (height == null) {
            height = 450;
         }

         if (width == null) {
            width = 1000;
         }

         HSSFWorkbook workbook = new HSSFWorkbook();
         HSSFCellStyle boderStyle = workbook.createCellStyle();
         boderStyle.setVerticalAlignment((short)1);
         boderStyle.setAlignment((short)2);
         HSSFSheet sheet = workbook.createSheet();
         HSSFPatriarch patriarch = sheet.createDrawingPatriarch();
         HSSFRow row = sheet.createRow(0);

         HSSFCell anchor;
         for(int i = 0; i < headList.length; ++i) {
            row.setHeight(height.shortValue());
            sheet.setColumnWidth(i, width);
            anchor = row.createCell(i);
            anchor.setCellType(1);
            anchor.setCellValue(headList[i]);
            anchor.setCellStyle(boderStyle);
         }

         HSSFRow row_value = null;
         anchor = null;
         HSSFCell cell = null;
         if (dataList != null) {
            for(int n = 0; n < dataList.size(); ++n) {
               row_value = sheet.createRow(n + 1);
               row_value.setHeight(height.shortValue());
               Map<String, Object> dataMap = (Map)dataList.get(n);

               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;
                     if (file2 == null) {
                        cell.setCellValue("");
                     } else {
                        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);
                        patriarch.createPicture(anchor1, workbook.addPicture(byteArrayOut.toByteArray(), 5));
                     }
                  } else {
                     cell.setCellValue(objToString(dataMap.get(fieldList[i])));
                     cell.setCellStyle(boderStyle);
                  }
               }
            }
         }

         FileOutputStream fOut = new FileOutputStream(file);
         workbook.write(fOut);
         fOut.flush();
         fOut.close();
      } catch (Exception var25) {
         var25.printStackTrace();
      } finally {
         file.deleteOnExit();
      }

      return file;
   }
}