java excel 转 json xls or xlsx都支持

目录

测试结果

表格数据

代码

依赖

---

测试结果

 /**
     * C:\\Users\\Administrator\\Desktop\\testFile/abc.xlsx
     * test 结果
     * 13
     * {"Sheet1":[{"s3":"ae","s4":"aa","s5":"aa","s1":"a","s2":"ab"},
     * 				{"s3":"af","s4":"ab","s5":"ac","s1":"b","s2":"ac"}
     * ]}
     *  
     *  C:\\Users\\Administrator\\Desktop\\testFile/ac.xls
     *  
     *  13
     *  {"Sheet1":[{"s3":"ae","s4":"aa","s5":"aa","s1":"a","s2":"ab"},
     *  {"s3":"af","s4":"ab","s5":"ac","s1":"b","s2":"ac"}  ]}

     */

表格数据

代码

package com.superman.uitl;

import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.apache.poi.ss.usermodel.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.FileInputStream;

/**
 * xlsx  or xls 都 ok
 * excel 转 json
 * 
 * @author Administrator
 *
 */
public class ExeclToJson {

    private final static Logger logger = LoggerFactory.getLogger(ExeclToJson.class);

    //private final static ObjectMapper mapper = new ObjectMapper();
    
    /**
     * C:\\Users\\Administrator\\Desktop\\testFile/abc.xlsx
     * test 结果
     * 13
     * {"Sheet1":[{"s3":"ae","s4":"aa","s5":"aa","s1":"a","s2":"ab"},
     * 				{"s3":"af","s4":"ab","s5":"ac","s1":"b","s2":"ac"}
     * ]}
     *  
     *  C:\\Users\\Administrator\\Desktop\\testFile/ac.xls
     *  
     *  13
     *  {"Sheet1":[{"s3":"ae","s4":"aa","s5":"aa","s1":"a","s2":"ab"},
     *  {"s3":"af","s4":"ab","s5":"ac","s1":"b","s2":"ac"}  ]}

     */
    
    //test
    public static void main(String[] args) {
        String fileUrl = "C:\\Users\\Administrator\\Desktop\\testFile/ac.xls";
        JSONObject jo = ExeclToJson.excelToJson(fileUrl);
        logger.info(jo.getJSONArray("Sheet1").size()+"");
        logger.info(jo.toJSONString());
    }
    
    //excel 转 json
    public static JSONObject excelToJson(String fileUrl){
    	try {
            FileInputStream inp = new FileInputStream(fileUrl);
            Workbook workbook = WorkbookFactory.create(inp);
            //获取sheet数
            int sheetNum = workbook.getNumberOfSheets();
            JSONObject jsonObject = new JSONObject();
            for (int s = 0; s < sheetNum; s++) {
                // Get the Sheet of s.
                Sheet sheet = workbook.getSheetAt(s);
                //获取最大行数
                int rownum = sheet.getPhysicalNumberOfRows();
                if (rownum <= 1) {
                    continue;
                }
                //获取第一行
                Row row1 = sheet.getRow(0);
                //获取最大列数
                int colnum = row1.getPhysicalNumberOfCells();
                JSONArray jsonArray = new JSONArray();
                for (int i = 1; i < rownum; i++) {
                    Row row = sheet.getRow(i);
                    if (row != null) {
//                    List