package test;

import java.awt.*;

import java.awt.image.BufferedImage;

import java.io.*;

import java.text.DecimalFormat;

import java.util.ArrayList;

import java.util.LinkedHashMap;

import java.util.List;

import java.util.Map;

import java.util.Map.Entry;

import com.sun.image.codec.jpeg.JPEGCodec;

import com.sun.image.codec.jpeg.JPEGImageEncoder;

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;

import javax.imageio.ImageIO;

public class Testpoi {

    public static void main(String[] args) {

        String a = "E:\\Desktop files\\工作文档\\pic\\photo.png";

        String b = "E:\\Desktop files\\工作文档\\test\\";

        String c = null;

        String d = null;

        String e = null;

        Workbook wb =null;

        Sheet sheet = null;

        Row row = null;

        List<Map<String,String>> list = null;

//        String cellData = null;

        String filePath = "E:\\Desktop files\\工作文档\\wps\\a.xlsx";

//        String columns[] = {"name","names","code"};

        wb = readExcel(filePath);

        if(wb != null){

            //用来存放表中数据

            list = new ArrayList<Map<String,String>>();

            //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);

            //获取最大列数

            int colnum = row.getPhysicalNumberOfCells();

//            DecimalFormat df = new DecimalFormat("0.00");

//            String whatYouWant = df.format(1234567890.666);

            for (int i = 1; i<rownum; i++) {

//                Map<String,String> map = new LinkedHashMap<String,String>();

                row = sheet.getRow(i);

                c = (String) getCellFormatValue(row.getCell(0));

                d = (String) getCellFormatValue(row.getCell(1));

                e = (String) getCellFormatValue(row.getCell(2));

                DecimalFormat df = new DecimalFormat("0");

                String code = df.format(Double.parseDouble(e));

                ImgYin(c,d,code,a,b+code+".png");

//                if(row !=null){

//                    for (int j=0;j<colnum;j++){

//                        cellData = (String) getCellFormatValue(row.getCell(j));

//                        System.out.println(cellData);

////                        map.put(columns[j], cellData);

//                    }

//                }else{

//                    break;

//                }

//                list.add(map);

            }

        }

        //遍历解析出来的list

//        for (Map<String,String> map : list) {

//            for (Entry<String,String> entry : map.entrySet()) {

//

//                System.out.print(entry.getKey()+entry.getValue()+"...");

//            }

//            System.out.println();

//        }

//        ImgYin("1111111","2222222","33333333",a,b+"1.png");

    }

    //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:{

                cellValue = String.valueOf(cell.getNumericCellValue());

                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

                    cellValue = String.valueOf(cell.getNumericCellValue());

                }

                break;

            }

            case Cell.CELL_TYPE_STRING:{

                cellValue = cell.getRichStringCellValue().getString();

                break;

            }

            default:

                cellValue = "";

            }

        }else{

            cellValue = "";

        }

        return cellValue;

    }

    public static void ImgYin(String s1, String s2,String s3, String ImgName,String outName){

        try{

            File file = new File(ImgName);

            Image src = ImageIO.read(file);

            int wideth=src.getWidth(null);

            int height=src.getHeight(null);

            BufferedImage image=new BufferedImage(wideth,height,BufferedImage.TYPE_INT_RGB);

            Graphics g=image.createGraphics();

            g.drawImage(src,0,0,wideth,height,null);

            //设置字体颜色

            g.setColor(Color.BLACK);

            //size字体大小

            g.setFont(new Font("宋体",Font.PLAIN,50));

            //wideth控制字体距离右侧边缘距离  height控制字体距离底部距离 1831   2569

            g.drawString(s1,wideth-1500,height-1250);

            g.drawString(s2,wideth-1450,height-970);

            g.drawString(s3,wideth-1150,height-970);

            g.dispose();

            FileOutputStream out=new FileOutputStream(outName);

            JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);

            encoder.encode(image);

            out.close();

        }

        catch(Exception e){

            System.out.println(e);

        }

    }

}