fwq
2023-09-01 569daa38882b9382a70ee47ac068bdce5a736eb3
src/main/java/com/hx/util/ExcelUtil.java
@@ -5,16 +5,13 @@
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.apache.poi.ss.usermodel.*;
import org.apache.poi.xssf.streaming.SXSSFWorkbook;
import org.apache.poi.xssf.usermodel.*;
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;
@@ -58,10 +55,11 @@
      // 在索引0的位置创建行(最顶端的行)
      HSSFRow row = sheet.createRow(0);
      // ===============================================================
      for (int i = 0; i < headList.length; i++) {
      HSSFCell cell;
      for (int i = 0; i < headList.length; i++) {
         // 在索引0的位置创建单元格(左上端)
         HSSFCell cell = row.createCell(i);
         cell = row.createCell(i);
         // 定义单元格为字符串类型
         cell.setCellType(HSSFCell.CELL_TYPE_STRING);
         // 在单元格中输入一些内容
@@ -69,14 +67,16 @@
      }
      // ===============================================================
      if (dataList != null) {
         HSSFRow row_value;
         Map<String, Object> dataMap;
         for (int n = 0; n < dataList.size(); n++) {
            // 在索引1的位置创建行
            HSSFRow row_value = sheet.createRow(n + 1);
            Map<String, Object> dataMap = dataList.get(n);
            row_value = sheet.createRow(n + 1);
            dataMap = dataList.get(n);
            // ===============================================================
            for (int i = 0; i < fieldList.length; i++) {
               // 在索引0的位置创建单元格(左上端)
               HSSFCell cell = row_value.createCell(i);
               cell = row_value.createCell(i);
               // 定义单元格为字符串类型
               cell.setCellType(HSSFCell.CELL_TYPE_STRING);
               // 在单元格中输入一些内容
@@ -114,7 +114,7 @@
    */
   public static File createExcel(String[] headList, String[] fieldList,
                           List<Map<String, Object>> dataList) throws Exception {
      File file = File.createTempFile("temp", ".xls");
      File file = File.createTempFile("temp", ".xlsx");
      try{
         // 创建新的Excel 工作簿
         HSSFWorkbook workbook = new HSSFWorkbook();
@@ -126,10 +126,10 @@
         // 在索引0的位置创建行(最顶端的行)
         HSSFRow row = sheet.createRow(0);
         // ===============================================================
         HSSFCell cell;
         for (int i = 0; i < headList.length; i++) {
            // 在索引0的位置创建单元格(左上端)
            HSSFCell cell = row.createCell(i);
            cell = row.createCell(i);
            // 定义单元格为字符串类型
            cell.setCellType(HSSFCell.CELL_TYPE_STRING);
            // 在单元格中输入一些内容
@@ -137,14 +137,16 @@
         }
         // ===============================================================
         if (dataList != null) {
            HSSFRow row_value;
            Map<String, Object> dataMap;
            for (int n = 0; n < dataList.size(); n++) {
               // 在索引1的位置创建行
               HSSFRow row_value = sheet.createRow(n + 1);
               Map<String, Object> dataMap = dataList.get(n);
               row_value = sheet.createRow(n + 1);
               dataMap = dataList.get(n);
               // ===============================================================
               for (int i = 0; i < fieldList.length; i++) {
                  // 在索引0的位置创建单元格(左上端)
                  HSSFCell cell = row_value.createCell(i);
                  cell = row_value.createCell(i);
                  // 定义单元格为字符串类型
                  cell.setCellType(HSSFCell.CELL_TYPE_STRING);
                  // 在单元格中输入一些内容
@@ -205,12 +207,13 @@
         // 在索引0的位置创建行(最顶端的行)
         HSSFRow row = sheet.createRow(0);
         // ===============================================================
         HSSFCell cell;
         for (int i = 0; i < headList.length; i++) {
            //高度
            row.setHeight(height.shortValue());
            sheet.setColumnWidth(i,width);
            // 在索引0的位置创建单元格(左上端)
            HSSFCell cell = row.createCell(i);
            cell = row.createCell(i);
            // 定义单元格为字符串类型
            cell.setCellType(HSSFCell.CELL_TYPE_STRING);
            // 在单元格中输入一些内容
@@ -219,16 +222,109 @@
         }
         // ===============================================================
         if (dataList != null) {
            HSSFRow row_value;
            Map<String, Object> dataMap;
            for (int n = 0; n < dataList.size(); n++) {
               // 在索引1的位置创建行
               HSSFRow row_value = sheet.createRow(n + 1);
               row_value = sheet.createRow(n + 1);
               row_value.setHeight(height.shortValue());
               Map<String, Object> dataMap = dataList.get(n);
               dataMap = dataList.get(n);
               // ===============================================================
               for (int i = 0; i < fieldList.length; i++) {
                  // 在索引0的位置创建单元格(左上端)
                  sheet.setColumnWidth(i,width);
                  HSSFCell cell = row_value.createCell(i);
                  cell = row_value.createCell(i);
                  // 定义单元格为字符串类型
                  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);
               }
               // ===============================================================
            }
         }
         // 新建一输出文件流
         FileOutputStream fOut = new FileOutputStream(file);
         // 把相应的Excel 工作簿存盘
         workbook.write(fOut);
         fOut.flush();
         // 操作结束,关闭文件
         fOut.close();
      }catch (Exception e){
      }finally {
         file.deleteOnExit();
      }
      return file;
   }
   /**无限制行数生成ecxel,生成临时文件
    * @param headList
    *        Excel文件Head标题集合
    * @param fieldList
    *        Excel文件Field标题集合 根据field来寻找位置填充表格
    * @param dataList
    *        Excel文件数据内容部分
    * @param height  单元格高度,默认450
    * @param width  单元格宽度,默认5000
    * @throws Exception
    */
   public static File createXSSExcel(String[] headList, String[] fieldList, List<Map<String, Object>> dataList
         ,Integer height,Integer width) throws Exception {
      File file = File.createTempFile("temp", ".xls");
      try{
         if(height == null){
            height = 450;
         }
         if(width == null){
            width = 5000;
         }
         // 创建新的Excel 工作簿
         //XSSFWorkbook workbook = new XSSFWorkbook();
         SXSSFWorkbook workbook = new SXSSFWorkbook(1000);
         //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
         // 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:
         // HSSFSheet sheet = workbook.createSheet("效益指标");
         Sheet sheet = workbook.createSheet();
         // 在索引0的位置创建行(最顶端的行)
         Row row = sheet.createRow(0);
         // ===============================================================
         Cell cell;
         for (int i = 0; i < headList.length; i++) {
            //高度
            row.setHeight(height.shortValue());
            sheet.setColumnWidth(i,width);
            // 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);
            // 在单元格中输入一些内容
            cell.setCellValue(headList[i]);
            cell.setCellStyle(boderStyle);
         }
         // ===============================================================
         if (dataList != null) {
            Row row_value;
            Map<String, Object> dataMap;
            for (int n = 0; n < dataList.size(); n++) {
               // 在索引1的位置创建行
               row_value = sheet.createRow(n + 1);
               row_value.setHeight(height.shortValue());
               dataMap = dataList.get(n);
               // ===============================================================
               for (int i = 0; i < fieldList.length; i++) {
                  // 在索引0的位置创建单元格(左上端)
                  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);
                  // 在单元格中输入一些内容
@@ -583,7 +679,6 @@
   /**读取excel文件,兼容2003和2007
    * 通过流读取Excel文件
    * @return
@@ -672,6 +767,7 @@
      return null;
   }
   private static String getCellVal(Cell cell) {
      if (null == cell) {
         return "";
@@ -705,4 +801,99 @@
      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;
   }
}