需要引入的JAR

        <!--*.xls--> 
        <dependency> 
            <groupId>net.sourceforge.jexcelapi</groupId> 
            <artifactId>jxl</artifactId> 
            <version>2.6.8</version> 
        </dependency> 
        <dependency> 
            <groupId>com.alibaba</groupId> 
            <artifactId>fastjson</artifactId> 
            <version>1.2.7</version> 
        </dependency>

测试类

import com.alibaba.fastjson.JSONArray; 
import com.alibaba.fastjson.JSONObject; 
import jxl.Cell; 
import jxl.Sheet; 
import jxl.Workbook; 
 
import java.io.File; 
 
public class ExcelOperate { 
 
    public static void main(String[] args) { 
        Sheet sheet; 
        Workbook book; 
        Cell cell1, cell2, cell3, cell4, cell5; 
        JSONArray array = new JSONArray(); 
        try { 
            //为要读取的excel文件名 
            book = Workbook.getWorkbook(new File("D://b.xls")); 
 
            //获得第一个工作表对象(ecxel中sheet的编号从0开始,0,1,2,3,....) 
            sheet = book.getSheet(0); 
 
            for (int i = 1; i < sheet.getRows(); i++) { 
                //获取每一行的单元格 
                cell1 = sheet.getCell(0, i);//（列，行） 
                cell2 = sheet.getCell(1, i); 
                cell3 = sheet.getCell(2, i); 
                cell4 = sheet.getCell(3, i); 
                cell5 = sheet.getCell(4, i); 
                if ("".equals(cell1.getContents())) {//如果读取的数据为空 
                    break; 
                } 
                JSONObject object = new JSONObject(); 
                object.put("ID",cell1.getContents()); 
                object.put("编号",cell2.getContents()); 
                object.put("姓名",cell3.getContents()); 
                object.put("数量",cell4.getContents()); 
                object.put("住址",cell5.getContents()); 
                array.add(object); 
            } 
            System.out.println(array.toString()); 
            book.close(); 
        } catch (Exception e) { 
            e.printStackTrace(); 
        } 
    } 
}

读取的文件格式

输出：