java讀取excel文件轉(zhuǎn)換成json格式的實(shí)例代碼-創(chuàng)新互聯(lián)

需要讀取excel數(shù)據(jù)轉(zhuǎn)換成json數(shù)據(jù)，寫了個(gè)測試功能，轉(zhuǎn)換正常：

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JSON轉(zhuǎn)換：org.json.jar

  測試類：  importFile.java:

package com.siemens.util; 
import java.util.ArrayList; 
import java.util.List; 
import org.json.JSONException; 
import org.json.JSONObject; 
import org.apache.poi.ss.usermodel.Row; 
import org.apache.poi.ss.usermodel.Sheet; 
import org.apache.poi.ss.usermodel.Workbook; 
//import com.siemens.entity.master; 
//import com.siemens.service.masterService; 
//import com.siemens.serviceImpl.masterServiceImpl; 
//import com.siemens.serviceImpl.webServiceImpl; 
public class importFile { 
  public static void main(String[] args) throws JSONException{ 
//   master masters = new master(); 
//   ApplicationContext ac = new ClassPathXmlApplicationContext("applicationContext.xml"); 
//   masterService ms = (masterService)ac.getBean("masterservice"); 
     Workbook wb =null; 
      Sheet sheet = null; 
      Row row = null; 
      String cellData = null; 
      //文件路徑， 
      String filePath = "f:/haoxy/Worktable222.xls"; 
      wb =EXCELBean.readExcel(filePath); 
      if(wb != null){ 
        //用來存放表中數(shù)據(jù) 
        List<JSONObject> listMap = new ArrayList<JSONObject>(); 
        //獲取第一個(gè)sheet 
        sheet = wb.getSheetAt(0); 
        //獲取大行數(shù) 
        int rownum = sheet.getPhysicalNumberOfRows(); 
        //獲取第一行 
        row = sheet.getRow(0); 
        //獲取大列數(shù) 
        int colnum = row.getPhysicalNumberOfCells(); 
        //這里創(chuàng)建json對(duì)象，實(shí)測用map的話，json數(shù)據(jù)會(huì)有問題  
        JSONObject jsonMap = new JSONObject(); 
        //循環(huán)行 
        for (int i = 1; i < rownum; i++) { 
          row = sheet.getRow(i); 
          if(row !=null){ 
            //創(chuàng)建list對(duì)象接收讀出的excel數(shù)據(jù) 
            List<String> list = new ArrayList<String>(); 
            //循環(huán)列 
            for (int j=0;j<colnum;j++){ 
              cellData = (String) EXCELBean.getCellFormatValue(row.getCell(j)); 
              list.add(cellData); 
            } 
            //System.out.println(list.get(59)); 
              //下面具體是本人對(duì)數(shù)據(jù)按需求進(jìn)行格式處理   ---創(chuàng)建json對(duì)象會(huì)報(bào)異常，捕捉一下。 
              JSONObject jsonObject2 = new JSONObject(); 
                jsonObject2.put("skvDorCode",list.get(0)); 
                jsonObject2.put("description", list.get(1)); 
                jsonObject2.put("discipline", list.get(2)); 
                jsonObject2.put("prefabricatedSkids", list.get(3)); 
                jsonObject2.put("onRack", list.get(4)); 
                jsonObject2.put("offRack", list.get(5)); 
                jsonObject2.put("yard", list.get(6));  
                jsonObject2.put("hsrg", list.get(7)); 
                JSONObject jsonPptData = new JSONObject(); 
                jsonPptData.put("SC FF",list.get(8)); 
                jsonPptData.put("CC SS CT",list.get(9)); 
                jsonPptData.put("CC SS OCC",list.get(10)); 
                jsonPptData.put("CC SS ACC",list.get(11)); 
                jsonPptData.put("CC MS CT",list.get(12)); 
                jsonPptData.put("CC MS OCC",list.get(13)); 
                jsonPptData.put("CC MS ACC",list.get(14)); 
                //turnkey 
                JSONObject jsonTurnkey = new JSONObject(); 
                jsonTurnkey.put("plantDesign", list.get(26)); 
                jsonTurnkey.put("basicDesign", list.get(27)); 
                jsonTurnkey.put("detailDesign", list.get(28)); 
                jsonTurnkey.put("supplier", list.get(29)); 
                jsonTurnkey.put("errection", list.get(30)); 
                jsonTurnkey.put("commissioning", list.get(31)); 
                jsonTurnkey.put("blackBox", list.get(32)); 
                jsonTurnkey.put("optionalScope", list.get(33)); 
                jsonTurnkey.put("remark", list.get(34)); 
                jsonTurnkey.put("internalRemark", list.get(35)); 
                jsonTurnkey.put("revision", list.get(36)); 
                //PowerCore 
                JSONObject jsonPowerCore = new JSONObject(); 
                jsonPowerCore.put("plantDesign", list.get(37)); 
                jsonPowerCore.put("basicDesign", list.get(38)); 
                jsonPowerCore.put("detailDesign", list.get(39)); 
                jsonPowerCore.put("supplier", list.get(40)); 
                jsonPowerCore.put("errection", list.get(41)); 
                jsonPowerCore.put("commissioning", list.get(42)); 
                jsonPowerCore.put("blackBox", list.get(43)); 
                jsonPowerCore.put("optionalScope", list.get(44)); 
                jsonPowerCore.put("remark", list.get(45)); 
                jsonPowerCore.put("internalRemark", list.get(46)); 
                jsonPowerCore.put("revision", list.get(47)); 
                //PowerIsland 
                JSONObject jsonPowerIsland = new JSONObject(); 
                jsonPowerIsland.put("plantDesign", list.get(48)); 
                jsonPowerIsland.put("basicDesign", list.get(49)); 
                jsonPowerIsland.put("detailDesign", list.get(50)); 
                jsonPowerIsland.put("supplier", list.get(51)); 
                jsonPowerIsland.put("errection", list.get(52)); 
                jsonPowerIsland.put("commissioning", list.get(53)); 
                jsonPowerIsland.put("blackBox", list.get(54)); 
                jsonPowerIsland.put("optionalScope", list.get(55)); 
                jsonPowerIsland.put("remark", list.get(56)); 
                jsonPowerIsland.put("internalRemark", list.get(57)); 
                jsonPowerIsland.put("revision", list.get(58)); 
                //創(chuàng)建jsonBmt對(duì)象，進(jìn)一步把以上對(duì)象嵌套 
                JSONObject jsonBmt = new JSONObject(); 
                jsonBmt.put("Turnkey", jsonTurnkey); 
                jsonBmt.put("PowerCore", jsonPowerCore); 
                jsonBmt.put("PowerIsland", jsonPowerIsland); 
                //把以上幾個(gè)嵌套入第一層對(duì)象中 
                jsonObject2.put("powerPlantTypes",jsonPptData); 
                jsonObject2.put("businessMixTypes",jsonBmt); 
                jsonObject2.put("treeDepth",Integer.parseInt(list.get(59).substring(0,list.get(59).indexOf('.')))); 
                if(Integer.parseInt(list.get(59).substring(0,list.get(59).indexOf('.')))<=2){ 
                  List<String> list3 = new ArrayList<String>(); 
                  list3.add("non-empty-placeholder"); 
                  jsonObject2.put("children",list3); 
                } 
                listMap.add(jsonObject2);              
          }else{ 
            break; 
          }        
        }// end for row 
            //最外層加個(gè)key-gridData 
            jsonMap.put("gridData", listMap); 
            System.out.println(jsonMap);       
      }       
  }   
} 

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