import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.List;

import com.supermap.dataservice.datapojo.entity.user.UserExcel;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.DateUtil;
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.xssf.usermodel.XSSFWorkbook;

public class UserExcelUtils {

    public static List<UserExcel> putUserExcel() {
        Workbook wb =null;
        Sheet sheet = null;
        Row row = null;
        List<UserExcel> list = null;
        String cellData = null;
        String filePath = "C:\\Users\\69008\\Desktop\\user.xlsx";
        wb = readExcel(filePath);
        if(wb != null){
            //用来存放表中数据
            list = new ArrayList<UserExcel>();
            //获取第一个sheet
            sheet = wb.getSheetAt(0);
            //获取最大行数
            int rownum = sheet.getPhysicalNumberOfRows();
            //获取第一行
            row = sheet.getRow(0);
            boolean b = fristCellIsRight(row);
            if(!b){
                return null;
            }
            //获取最大列数
            int colnum = row.getPhysicalNumberOfCells();
            for (int i = 1; i<rownum; i++) {
                UserExcel userExcel = new UserExcel();
                row = sheet.getRow(i);
                if(row !=null){
                    userExcel.setProvince((String) getCellFormatValue(row.getCell(1)));
                    userExcel.setCity((String) getCellFormatValue(row.getCell(2)));
                    userExcel.setArea((String) getCellFormatValue(row.getCell(3)));
                    userExcel.setAdministrativeCode((String) getCellFormatValue(row.getCell(4)));
                    userExcel.setUsername((String) getCellFormatValue(row.getCell(5)));
                    userExcel.setMobile(((String) getCellFormatValue(row.getCell(6))).trim());
                    userExcel.setAddress((String) getCellFormatValue(row.getCell(7)));
                    userExcel.setType((String) getCellFormatValue(row.getCell(8)));
                    userExcel.setPlanting((String) getCellFormatValue(row.getCell(9)));
                    userExcel.setExperttype((String) getCellFormatValue(row.getCell(10)));
                }else{
                    break;
                }
                list.add(userExcel);
            }
        }
        //遍历解析出来的list
        for (UserExcel userExcel : list) {
            System.out.println(userExcel);
            System.out.println();
        }
        return list;
    }

    //读取excel
    public static Workbook readExcel(String filePath){
        Workbook wb = null;
        if(filePath==null){
            return null;
        }
        String extString = filePath.substring(filePath.lastIndexOf("."));
        InputStream is = null;
        try {
            is = new FileInputStream(filePath);
            if(".xls".equals(extString)){
                return wb = new HSSFWorkbook(is);
            }else if(".xlsx".equals(extString)){
                return wb = new XSSFWorkbook(is);
            }else{
                return wb = null;
            }

        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return wb;
    }
    public static Object getCellFormatValue(Cell cell){
        Object cellValue = null;
        if(cell!=null){
            //判断cell类型
            switch(cell.getCellType()){
                case Cell.CELL_TYPE_NUMERIC:{
                    if (DateUtil.isCellDateFormatted(cell)) {
                        cellValue = String.valueOf(cell.getDateCellValue());
                    } else {
                        cell.setCellType(Cell.CELL_TYPE_STRING);
                        String temp = cell.getStringCellValue();
                        // 判断是否包含小数点，如果不含小数点，则以字符串读取，如果含小数点，则转换为Double类型的字符串
                        if (temp.indexOf(".") > -1) {
                            cellValue = String.valueOf(new Double(temp)).trim();
                        } else {
                            cellValue = temp.trim();
                        }
                    }
                    break;
                }
                case Cell.CELL_TYPE_FORMULA:{
                    //判断cell是否为日期格式
                    if(DateUtil.isCellDateFormatted(cell)){
                        //转换为日期格式YYYY-mm-dd
                        cellValue = cell.getDateCellValue();
                    }else{
                        //数字
                        DecimalFormat format = new DecimalFormat("#");
                        cellValue = String.valueOf(cell.getNumericCellValue()).trim();
                    }
                    break;
                }
                case Cell.CELL_TYPE_STRING:{
                    cellValue = cell.getRichStringCellValue().getString().trim();
                    break;
                }
                default:
                    cellValue = "";
            }
        }else{
            cellValue = "";
        }
        return cellValue;
    }
    public static boolean fristCellIsRight(Row row){
        for (int i = 0; i < row.getRowNum(); i++) {
            Cell cell = row.getCell(i);
            String trim = cell.getStringCellValue().trim();
            switch(i)
            {
                case 0 :
                    if(!trim.equals("No.")){
                        return false;
                    }
                    break;
                case 1 :
                    if(!trim.equals("省")){
                        return false;
                    }
                    break;
                case 2 :
                    if(!trim.equals("地/州/市")){
                        return false;
                    }
                    break;
                case 3 :
                    if(!trim.equals("区县")){
                        return false;
                    }
                    break;
                case 4 :
                    if(!trim.equals("行政编码")){
                        return false;
                    }
                    break;
                case 5 :
                    if(!trim.equals("姓名")){
                        return false;
                    }
                    break;
                case 6 :
                    if(!trim.equals("手机号")){
                        return false;
                    }
                    break;
                case 7 :
                    if(!trim.equals("地址")){
                        return false;
                    }
                    break;
                case 8 :
                    if(!trim.equals("类型")){
                        return false;
                    }
                    break;
                case 9 :
                    if(!trim.equals("种植情况")){
                        return false;
                    }
                    break;
                case 10 :
                    if(!trim.equals("专家类型")){
                        return false;
                    }
                    break;
            }
        }
        return true;
    }
}