• Java中读取Excel功能实现_POI


    这里使用apache的poi进行读取excel

    1,新建javaproject 项目:TestExcel

    2,导入包

    包下载地址:http://poi.apache.org/download.html#POI-3.10-FINAL

    百度网盘下载:http://pan.baidu.com/s/1i365mQT

    导入根文件夹下、lib、ooxml-lib下的全部jar

    4,操作读取excel

    import java.io.File;
    import java.io.IOException;
    import java.util.Iterator;
    
    import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
    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.ss.usermodel.WorkbookFactory;
    
    public class Test {
    	// 得到一个File
    	public static void main(String[] args) {
    		File file = new File("F:/color.xlsx");
    		Workbook workbook = null;
    		try {
    			workbook = WorkbookFactory.create(file);
    		} catch (InvalidFormatException e) {
    			e.printStackTrace();
    		} catch (IOException e) {
    			e.printStackTrace();
    		}
    		Sheet sheet = workbook.getSheetAt(0);
    		Iterator<Row> rows = sheet.rowIterator();
    		int count = 0;
    		while (rows.hasNext()) {
    			count++;
    			Row row = rows.next();
    			// 假设不是String类型统一设置为String
    			if (row.getCell(2).getCellType() == 0
    					|| row.getCell(2).getCellType() == 2
    					|| row.getCell(2).getCellType() == 3
    					|| row.getCell(2).getCellType() == 4) {
    				row.getCell(2).setCellType(1);
    			}
    			System.out.println(row.getCell(2).getStringCellValue());
    		}
    
    	}
    
    }
    


    源码和測试文件:

     http://pan.baidu.com/s/1c0nIBiK

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  • 原文地址:https://www.cnblogs.com/yjbjingcha/p/6943243.html
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