From 96fdb916ed662f5f77ccc0277075858d54ac1334 Mon Sep 17 00:00:00 2001 From: ChenJiaHe <763432473@qq.com> Date: 星期三, 07 四月 2021 18:22:10 +0800 Subject: [PATCH] 新增下载文件方法File --- src/main/java/com/hx/util/ExcelUtil.java | 165 ++++++++++++++++++++++++++++++++++++++++++++++++++---- 1 files changed, 151 insertions(+), 14 deletions(-) diff --git a/src/main/java/com/hx/util/ExcelUtil.java b/src/main/java/com/hx/util/ExcelUtil.java index 1191dcd..88fe7f1 100644 --- a/src/main/java/com/hx/util/ExcelUtil.java +++ b/src/main/java/com/hx/util/ExcelUtil.java @@ -1,24 +1,25 @@ package com.hx.util; -import java.io.File; -import java.io.FileInputStream; -import java.io.FileOutputStream; +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 java.util.*; 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.XSSFWorkbook; import org.springframework.web.multipart.MultipartFile; /** - * + * * @author hjr */ public final class ExcelUtil { @@ -37,8 +38,8 @@ * @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; // 鍒涘缓鏂扮殑Excel 宸ヤ綔绨� @@ -106,7 +107,7 @@ * @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{ // 鍒涘缓鏂扮殑Excel 宸ヤ綔绨� @@ -256,7 +257,7 @@ 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(); } @@ -350,4 +351,140 @@ return list; } -} + + /**鍒ゆ柇excel鐨勭増鏈�*/ + 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("浣犵殑excel鐗堟湰鐩墠poi瑙f瀽涓嶄簡"); + } + + /**璇诲彇excel鏂囦欢锛屽吋瀹�2003鍜�2007 + * 閫氳繃娴佽鍙朎xcel鏂囦欢 + * @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("涓婁紶鏂囦欢鏍煎紡涓嶆纭�"); + } + + // 缁撴灉闆� + List<List<String>> list = new ArrayList<>(); + Workbook book = create(new BufferedInputStream(file.getInputStream())); + + // 閬嶅巻璇ヨ〃鏍间腑鎵�鏈夌殑宸ヤ綔琛紝i琛ㄧず宸ヤ綔琛ㄧ殑鏁伴噺 getNumberOfSheets琛ㄧず宸ヤ綔琛ㄧ殑鎬绘暟 + for(int s=0;s<book.getNumberOfSheets();s++) { + Sheet hssfsheet = book.getSheetAt(s); + int col = 0; + // 閬嶅巻璇ヨ鎵�鏈夌殑琛�,j琛ㄧず琛屾暟 getPhysicalNumberOfRows琛岀殑鎬绘暟 鍘婚櫎鏍囬 + for (int j = 0; j < hssfsheet.getPhysicalNumberOfRows(); j++) { + Row hssfrow = hssfsheet.getRow(j); + if(hssfrow!=null){ + if(j == 0) { + col = hssfrow.getPhysicalNumberOfCells(); + if(!header) { + //涓嶅寘鎷〃澶� + continue; + } + } + // 鍗曡鏁版嵁 + 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){ + //鏃ユ湡锛堜腑鏂囨椂闂存牸寮忕殑锛� + 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骞碝M鏈坉d鏃� HH鏃秏m鍒唖s绉�"); + 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 { // 濡傛灉EXCEL琛ㄦ牸涓殑鏁版嵁绫诲瀷涓哄瓧绗︿覆鍨� + 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()) { + // 鏁板瓧 + case HSSFCell.CELL_TYPE_NUMERIC: + // 鏃ユ湡鏍煎紡鐨勫鐞� + if (HSSFDateUtil.isCellDateFormatted(cell)) { + SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); + return sdf.format(HSSFDateUtil.getJavaDate(cell.getNumericCellValue())).toString(); + } + return String.valueOf(cell.getNumericCellValue()); + // 瀛楃涓� + case HSSFCell.CELL_TYPE_STRING: + return cell.getStringCellValue(); + // 鍏紡 + case HSSFCell.CELL_TYPE_FORMULA: + return cell.getCellFormula(); + // 绌虹櫧 + case HSSFCell.CELL_TYPE_BLANK: + return ""; + case HSSFCell.CELL_TYPE_BOOLEAN: + return cell.getBooleanCellValue() + ""; + // 閿欒绫诲瀷 + case HSSFCell.CELL_TYPE_ERROR: + return cell.getErrorCellValue() + ""; + default: + break; + } + return ""; + } + +} \ No newline at end of file -- Gitblit v1.8.0