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package com.hx.util; |
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import com.hx.exception.TipsException; |
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import jxl.CellType; |
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import org.apache.poi.hssf.usermodel.*; |
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import org.apache.poi.ss.usermodel.*; |
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import org.springframework.web.multipart.MultipartFile; |
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import java.io.File; |
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import java.io.FileInputStream; |
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import java.io.FileOutputStream; |
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import java.util.ArrayList; |
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import java.util.Date; |
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import java.util.List; |
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import java.util.Map; |
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/** |
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* Excel工具类(兼容poi4.0+) |
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*/ |
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public class ExcelFileUtil { |
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/** |
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* 读取 Excel文件内容 |
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* |
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* @param file |
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* @param header 是否包括表头 |
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* @return |
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* @throws Exception |
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*/ |
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public static List<List<String>> readExcelByeFileData(MultipartFile file, boolean header) throws Exception { |
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// 结果集 |
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List<List<String>> list = new ArrayList<>(); |
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if (file == null){ |
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return list; |
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} |
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String fileName = file.getOriginalFilename(); |
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if (!fileName.matches("^.+\\.(?i)(xls)$") && !fileName.matches("^.+\\.(?i)(xlsx)$")) { |
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throw new TipsException("上传文件格式不正确"); |
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} |
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Workbook hssfworkbook = WorkbookFactory.create(file.getInputStream()); |
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int num = hssfworkbook.getNumberOfSheets(); |
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if (num == 0){ |
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return list; |
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} |
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List<String> rowList; |
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for (int k = 0; k< num ; k++) { |
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Sheet sheet = hssfworkbook.getSheetAt(k); |
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for (int i = 0; i <= sheet.getLastRowNum(); i++) { |
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rowList = new ArrayList<>(); |
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// 获取第i行的数据 |
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Row row = sheet.getRow(i); |
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// getLastCellNum() 获取这一行中单元格的数量 |
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for (int j = 0; j < row.getLastCellNum(); j++) { |
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// 获取第i行第j列的单元格数据 |
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rowList.add(row.getCell(j).toString()); |
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} |
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list.add(rowList); |
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} |
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} |
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return list; |
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} |
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/** |
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* 读取 Excel文件内容 |
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* |
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* @param file |
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* @param header 是否包括表头 |
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* @return |
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* @throws Exception |
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*/ |
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public static List<List<String>> readExcelByeFileData(File file, boolean header) throws Exception { |
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// 结果集 |
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List<List<String>> list = new ArrayList<>(); |
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if (file == null){ |
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return list; |
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} |
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String fileName = file.getName(); |
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if (!fileName.matches("^.+\\.(?i)(xls)$") && !fileName.matches("^.+\\.(?i)(xlsx)$")) { |
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throw new TipsException("上传文件格式不正确"); |
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} |
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Workbook hssfworkbook = WorkbookFactory.create(new FileInputStream(file)); |
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int num = hssfworkbook.getNumberOfSheets(); |
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if (num == 0){ |
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return list; |
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} |
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List<String> rowList; |
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for (int k = 0; k< num ; k++) { |
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Sheet sheet = hssfworkbook.getSheetAt(k); |
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for (int i = 0; i <= sheet.getLastRowNum(); i++) { |
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rowList = new ArrayList<>(); |
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// 获取第i行的数据 |
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Row row = sheet.getRow(i); |
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// getLastCellNum() 获取这一行中单元格的数量 |
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for (int j = 0; j < row.getLastCellNum(); j++) { |
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// 获取第i行第j列的单元格数据 |
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rowList.add(row.getCell(j).toString()); |
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} |
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list.add(rowList); |
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} |
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} |
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return list; |
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} |
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private static String objToString(Object obj) { |
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if (obj == null) { |
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return ""; |
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} else { |
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if (obj instanceof String) { |
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return (String) obj; |
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} else if (obj instanceof Date) { |
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return null; |
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} else { |
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return obj.toString(); |
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} |
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} |
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} |
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} |