java解析excel以获取String值

//maven配置

<dependency>
  <groupId>org.apache.poi</groupId>
  <artifactId>poi</artifactId>
  <version>3.17</version><!--$NO-MVN-MAN-VER$ -->
</dependency>
<dependency>
  <groupId>org.apache.poi</groupId>
  <artifactId>poi-ooxml</artifactId>
  <version>3.17</version><!--$NO-MVN-MAN-VER$ -->
</dependency>

import java.io.IOException;
import java.io.InputStream;
import org.apache.commons.lang3.StringUtils;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellType;
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.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.web.multipart.MultipartFile;

/**
* 解析excel

* @param cell
* @return
*/

public void doImport(MultipartFile file) {
  InputStream fis = null;
  Workbook workBook = null;
  try {
    fis = file.getInputStream();

    String fileName = file.getOriginalFilename();

    //截取后缀名
    String hz = fileName.substring(fileName.lastIndexOf("."), fileName.length());

    Sheet tcsSheet;
    if(".xlsx".equalsIgnoreCase(hz) || ".xlsx" == hz){
      workBook = new XSSFWorkbook(fis);
    }else{
      workBook = new HSSFWorkbook(fis);
    }

    //获取sheet的数量
    int sheetNum = workBook.getNumberOfSheets();

    //遍历sheet,获取sheet中数据
    for(int i=0;i<sheetNum;i++){

      //判断文件后缀是“.xlsx”还是“.xls”,并进行不同的操作
      if(".xlsx".equalsIgnoreCase(hz) || ".xlsx" == hz){
        tcsSheet = (XSSFSheet) workBook.getSheetAt(i);
      }else{
        tcsSheet = (HSSFSheet) workBook.getSheetAt(i);
      }

      //sheet名
      String sheetName = tcsSheet.getSheetName();

      int rows=tcsSheet.getPhysicalNumberOfRows();
      for (int r = 2; r < rows; r++) {//从第二行开始读
        Row row;
        if(".xlsx".equalsIgnoreCase(hz) || ".xlsx" == hz){
          row = (XSSFRow) tcsSheet.getRow(r);
        }else{
          row = (HSSFRow) tcsSheet.getRow(r);
        }
        //第r行第0个单元格
        String cell0=getCellValueToString(row.getCell(0));
        //第r行第1个单元格
        String cell1=getCellValueToString(row.getCell(1));
      }
    }
  } catch (Exception e) {
    e.printStackTrace();
  }finally{
    try {
      if (null != workBook) {
        workBook.close();
      }
      if (fis != null) {
        fis.close();
      }
    } catch (IOException e) {
      e.printStackTrace();
    }
  }
}

/**
* 获取列值
*
* @param cell
* @return
*/
private String getCellValueToString(Cell cell) {
  String value = StringUtils.EMPTY;
  if(null==cell)
    return value;
  cell.setCellType(CellType.STRING);
  value = cell.getStringCellValue();
  return value;
}

转载于:https://www.cnblogs.com/lch1990/p/11044061.html

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转载自blog.csdn.net/weixin_34228387/article/details/93615178