excel转化为json

package com.basesoft.modules.excel;

 



 

import java.io.File;

 

import java.io.FileInputStream;

 

import java.io.FileNotFoundException;

 

import java.io.IOException;

 

import java.io.InputStream;

 



 

import jxl.Cell;

 

import jxl.CellType;

 

import jxl.DateCell;

 

import jxl.NumberCell;

 

import jxl.Sheet;

 

import jxl.Workbook;

 

import jxl.read.biff.BiffException;

 



 

import org.json.JSONArray;

 

import org.json.JSONException;

 

import org.json.JSONObject;

 



 

import com.basesoft.modules.excel.config.Config;

 

import com.basesoft.util.StringUtil;

 



 

/**

 

 * Excel转化为JOSN字符串

 

 * 

 

 *

 

 */

 

public class ExcelToJSON {

 

        

 

        /**

 

         * Excel转化为JOSN字符串

 

         * @param is

 

         * @param config

 

         * @return

 

         * @throws BiffException

 

         * @throws IOException

 

         * @throws JSONException

 

         */

 

        public static JSONObject parse(InputStream is, JSONObject config) throws BiffException, IOException, JSONException {

 

                

 

                JSONObject data = new JSONObject();

 

                data.put("table", config.optJSONObject("head").optString("table"));

 

                                

 

                Workbook wb = Workbook.getWorkbook(is);

 

                Sheet[] sheets = wb.getSheets();

 

                

 

                Sheet sheet = wb.getSheet(0);

 

                int row = config.optJSONObject("head").optInt("row");

 

                int col = config.optJSONObject("head").optInt("col");

 

                String type = config.optJSONObject("head").optString("type");

 

                String count = config.optJSONObject("head").optString("count");

 

                String split = config.optJSONObject("head").optString("split");

 

                JSONArray relation = config.optJSONObject("body").optJSONArray("relation");

 

                if(relation == null){

 

                        relation = new JSONArray();

 

                        relation.put(config.optJSONObject("body").optJSONObject("relation"));

 

                }

 

                data.put("row", excelToJSON(sheets, row, col, relation, type, count, split));

 

                wb.close();

 

                

 

                return data;

 

        }

 

        

 

        /**

 

         * 数据行的转换

 

         * @param sheet

 

         * @param row       起始行

 

         * @param col       起始列

 

         * @param relation  配置关系

 

         * @param type          模板种类

 

         * @param count     一行拆分为几条数据

 

         * @param split     每条数据占几列

 

         * @return

 

         * @throws JSONException

 

         */

 

        private static JSONArray excelToJSON(Sheet[] sheets, int row, int col, JSONArray relation, String type, String count, String split) throws JSONException {

 

                

 

                JSONArray jsonArray = new JSONArray();

 

                

 

                for(int s=0;s<sheets.length;s++){

 

                        Sheet sheet = sheets[s];

 

                        //没有拆分

 

                        if ("1".equals(type)) {

 

                                for (int i = 0; i < sheet.getRows() - row + 1; i ++) {

 

                                        

 

                                        JSONObject jsonObject = new JSONObject();

 

                                        jsonObject.put("ID", i + 1);    //加上序号

 

                                        

 

                                        int size = 0;

 

                                        if(sheet.getColumns() - col + 1>relation.length()){//当excel文件中列数多余配置的列数时，按配置文件中的列数取

 

                                                size = relation.length();

 

                                        }else {//当excel文件中列数少于配置的列数时，按excel文件中的列数取

 

                                                size = sheet.getColumns() - col + 1;

 

                                        }

 

                                        for (int j = 0; j < size; j ++) {

 

                                                int id = relation.optJSONObject(j).optInt("id");

 

                                                String column = relation.optJSONObject(j).optString("column");

 

                                                jsonObject.put(column, getCellContents(sheet.getCell(col - 1 + id - 1, i + row - 1), relation.optJSONObject(j).optString("format")));  //所有数据以字符串的形式存放

 

                                        }

 

                                        jsonArray.put(jsonObject);

 

                                        

 

                                }

 

                        //有拆分

 

                        } else if("2".equals(type)) {

 

                                int countInt = Integer.parseInt(count);

 

                                int splitInt = Integer.parseInt(split);

 

                                

 

                                for (int i = 0; i < sheet.getRows() - row + 1; i ++) {

 

                                        

 

                                        for (int j = 0; j < countInt; j ++) {              //一行分几条 循环

 

                                                JSONObject jsonObject = new JSONObject();

 

                                                jsonObject.put("ID", i * countInt + j + 1);    //加上序号

 

                                                

 

                                                int dateId = relation.optJSONObject(0).optInt("id");

 

                                                String dateColumn = relation.optJSONObject(0).optString("column");

 

                                                jsonObject.put(dateColumn, getCellContents(sheet.getCell(col - 1 + dateId - 1, i + row - 1), relation.optJSONObject(0).optString("format")));  //所有数据以字符串的形式存放

 



 

                                                int ListId = relation.optJSONObject(1).optInt("id");

 

                                                String ListColumn = relation.optJSONObject(1).optString("column");

 

                                                jsonObject.put(ListColumn, relation.optJSONObject(1).optString("format").split("/")[j]);  //所有数据以字符串的形式存放

 

                                                

 

                                                for (int k = 0; k < splitInt; k ++) {    //每条数据循环的列数

 

                                                        

 

                                                        int id = relation.optJSONObject(k + 2).optInt("id");

 

                                                        String column = relation.optJSONObject(k + 2).optString("column");

 

                                                        jsonObject.put(column, getCellContents(sheet.getCell(j * splitInt + col - 1 + id - 1, i + row - 1), relation.optJSONObject(k + 2).optString("format")));  //所有数据以字符串的形式存放

 

                                                }

 

                                                

 

                                                for (int k = 0; k < sheet.getColumns() - col + 1 - 1 - countInt * splitInt; k ++) {   //之后公用的字段

 

                                                        

 

                                                        int id = relation.optJSONObject(k + 2 + splitInt).optInt("id");

 

                                                        String column = relation.optJSONObject(k + 2 + splitInt).optString("column");

 

                                                        jsonObject.put(column, getCellContents(sheet.getCell(col - 1 + id - 1, i + row - 1), relation.optJSONObject(k + 2 + splitInt).optString("format")));  //所有数据以字符串的形式存放

 

                                                }

 

                                                

 

                                                jsonArray.put(jsonObject);

 

                                        }

 

                                        

 

                                }

 

                        }

 

                }

 

                return jsonArray;

 

        }

 

        

 

        /**

 

         * 取一个单元格的内容

 

         * @param cell

 

         * @return

 

         */

 

        private static String getCellContents(Cell cell, String format) {

 

                

 

                String ret = "";

 

                if("yyyy-MM-dd".equals(format)||"yyyy-MM-dd hh24:mi:ss".equals(format)){

 

                        if(cell.getType() == CellType.DATE){

 

                                DateCell dateCell = (DateCell) cell;

 

                                ret = StringUtil.DateToString(dateCell.getDate(), format);

 

                        }else if(cell.getType() == CellType.LABEL){

 

                                ret = cell.getContents();

 

                        }else if(cell.getType() == CellType.NUMBER){

 

                                NumberCell numCell = (NumberCell) cell;

 

                                Double num = numCell.getValue();

 

                                ret = StringUtil.changeNumToDate(String.valueOf(num.intValue()));

 

                        }else {

 

                                ret = StringUtil.changeNumToDate(cell.getContents());

 

                        }

 

                } else {

 

                        ret = cell.getContents();

 

                }

 

                

 

                return ret;

 

        }

 

        

 

        public static void main(String []args) throws BiffException, FileNotFoundException, IOException, JSONException {

 

                

 

                String XML_PATH = java.net.URLDecoder.decode(ExcelToJSON.class.getResource("").getPath());

 

                File file = new File(XML_PATH + "【稻纵卷叶螟田间赶蛾调查表】批量导入模板.xls");

 

                

 

                JSONObject config_Conversion = Config.getJSONObjectByName("DZJYMTJGEDCB_Conversion");

 

                JSONObject data = ExcelToJSON.parse(new FileInputStream(file), config_Conversion);

 

                

 

        }

 

}