這篇文章將為大家詳細(xì)講解有關(guān)springboot中怎么讀取Excel文件,文章內(nèi)容質(zhì)量較高,因此小編分享給大家做個(gè)參考,希望大家閱讀完這篇文章后對(duì)相關(guān)知識(shí)有一定的了解。
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首先引入相關(guān)依賴
org.apache.poi poi 3.17 org.apache.poi poi-ooxml 3.17
工具類
import org.apache.poi.hssf.usermodel.HSSFWorkbook;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.slf4j.Logger;import org.slf4j.LoggerFactory;import org.springframework.web.multipart.MultipartFile;import java.io.FileNotFoundException;import java.io.IOException;import java.io.InputStream;import java.util.HashMap;import java.util.Map;public class OfficeUtils { protected static final Logger logger = LoggerFactory.getLogger(OfficeUtils.class); public static Map> readExcelContentz(MultipartFile file) throws Exception { Map> content = new HashMap>(); // 上傳文件名 Workbook wb = getWb(file); if (wb == null) { throw new BusinessException(ErrorType.WORK_BOOK_EMPTY); } Sheet sheet = wb.getSheetAt(0); // 得到總行數(shù) int rowNum = sheet.getLastRowNum(); Row row = sheet.getRow(0); int colNum = row.getPhysicalNumberOfCells(); // 正文內(nèi)容應(yīng)該從第二行開(kāi)始,第一行為表頭的標(biāo)題 for (int i = 1; i <= rowNum; i++) { row = sheet.getRow(i); int j = 0; Map cellValue = new HashMap(); while (j < colNum) { Object obj = getCellFormatValue(row.getCell(j)); cellValue.put(j, obj); j++; } content.put(i, cellValue); } return content; } //根據(jù)Cell類型設(shè)置數(shù)據(jù) private static Object getCellFormatValue(Cell cell) { Object cellvalue = ""; if (cell != null) { switch (cell.getCellTypeEnum()) { case NUMERIC: cellvalue = String.valueOf(cell.getNumericCellValue()); break; case FORMULA: { cellvalue = cell.getDateCellValue(); break; } case STRING: cellvalue = cell.getRichStringCellValue().getString(); break; default: cellvalue = ""; } } else { cellvalue = ""; } return cellvalue; } private static Workbook getWb(MultipartFile mf) { String filepath = mf.getOriginalFilename(); String ext = filepath.substring(filepath.lastIndexOf(".")); Workbook wb = null; try { InputStream is = mf.getInputStream(); if (".xls".equals(ext)) { wb = new HSSFWorkbook(is); } else if (".xlsx".equals(ext)) { wb = new XSSFWorkbook(is); } else { wb = null; } } catch (FileNotFoundException e) { logger.error("FileNotFoundException", e); } catch (IOException e) { logger.error("IOException", e); } return wb; }}
service層
public Map> addCustomerInfo(MultipartFile file) { Map> map = new HashMap<>(); try { map = ReadExcelUtil.readExcelContentz(file); } catch (Exception e) { e.printStackTrace(); } //excel數(shù)據(jù)存在map里,map.get(0).get(0)為excel第1行第1列的值,此處可對(duì)數(shù)據(jù)進(jìn)行處理}
controller層
@PostMappingpublic String add(@RequestParam("file")MultipartFile file){ Map> map = customerService.addCustomerInfo(file); return "success";}
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