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>();
//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 map = new LinkedHashMap();
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 map : list) {
// for (Entry 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);  
    }  
}  

}