package com.chauvet.utils;import java.awt.Color;import java.awt.Font;import java.awt.FontMetrics;import java.awt.Graphics;import java.awt.image.BufferedImage;import java.io.BufferedOutputStream;import java.io.File;import java.io.FileOutputStream;import java.text.DecimalFormat;import java.text.SimpleDateFormat;import java.util.Date;import java.util.HashMap;import java.util.Map;import java.util.Random;import javax.swing.JLabel;import com.sun.image.codec.jpeg.JPEGCodec;import com.sun.image.codec.jpeg.JPEGImageEncoder;/*** * 生成 80打印机 图片 * @author WXW * */public class CreateImage {        public static BufferedImage image;          public static String createImage(String fileLocation) {     try {         FileOutputStream fos = new FileOutputStream(fileLocation);         BufferedOutputStream bos = new BufferedOutputStream(fos);         JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(bos);         encoder.encode(image);         bos.close();     } catch (Exception e) {         e.printStackTrace();     }         return fileLocation;     }               /***      * 生成图片      * @param map      *          菜品集合，可以为map或者list 根据情况修改      * @param imgPath      *          生成的图片存放的路径      * @return      *         此处返回的是生成的图片高度，因为掉打印接口的时候需要这个高度      */     public static int graphicsGeneration(Map<String,String> map,String imgPath) {         int x = 10;         int y = 20;         int marginY = 30;         Double price = 20.0;                  createDir(imgPath.substring(0, imgPath.lastIndexOf("/")));//创建目录         Random ne=new Random();         int imageWidth = 302;//80打印机能打印的图片的宽度（固定值）       计算公式  打印机宽度（80打印机为800，58打印机为580）/96*25.4         int imageHeight = 500+map.keySet().size()*40;//图片的高度（500是标题的高度）    根据map/list中的值自动计算         image = new BufferedImage(imageWidth, imageHeight, BufferedImage.TYPE_INT_RGB);         Graphics graphics = image.getGraphics();         graphics.setColor(Color.WHITE);         graphics.fillRect(0, 0, imageWidth, imageHeight);         graphics.setColor(Color.BLACK);                  /***          * 标题字体          */         Font fontTitle=new Font("黑体",Font.BOLD,22);         graphics.setFont(fontTitle);         FontMetrics fm = new JLabel().getFontMetrics(fontTitle);                  String title = "味多美上地店";         int width = fm.stringWidth(title);         y = y + marginY;         int titleMaxLength = 220;         if(width > titleMaxLength){             graphics.drawString(title.substring(0, 9), (imageWidth - titleMaxLength) / 2, y);             y = y + marginY;             String lastTitle = title.substring(9, title.length());             int lastLength = fm.stringWidth(lastTitle);             graphics.drawString(lastTitle, (imageWidth - lastLength) / 2, y);         }else{             graphics.drawString(title, (imageWidth - width) / 2, y);         }                           y = y + marginY;                  String yjd = "预结单";         int yjdWidth = fm.stringWidth(yjd);         graphics.drawString(yjd, (imageWidth - yjdWidth) / 2, y);         y = y + marginY;                  String zh = "桌号:大厅-"+ne.nextInt(10)+1;         graphics.drawString(zh, x, y);         y = y + marginY;                  String ddbm = "订单编码:"+ne.nextInt(9999-1000+1);         graphics.drawString(ddbm, x, y);         y = y + marginY;                           Font font=new Font("宋体",Font.PLAIN,16);         fm = new JLabel().getFontMetrics(font);         graphics.setFont(font);         graphics.drawString("订单号:"+new SimpleDateFormat("yyyyMMddHHmmss").format(new Date())+System.currentTimeMillis(), x, y);         y = y + marginY;         graphics.drawString("操作人:Husky", x, y);         y = y + marginY;         graphics.drawString("订单时间:" + new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()), x, y);         y = y + marginY;         graphics.drawString("支付状态:未支付", x, y);                  y = y + 15;         graphics.drawString("-----------------------------------", x, y);         y = y + 15;         graphics.drawString("品名", x, y);         graphics.drawString("单价 * 数量", 140, y);         graphics.drawString("金额", imageWidth-(x+40), y);         y = y + 15;         graphics.drawString("-----------------------------------", x, y);         int cpWidth = 0;         Double allMoney = 0D;         for(String str : map.keySet()){             y = y + marginY;             String cp = str;             cpWidth = fm.stringWidth(cp);                          if(cpWidth >= 130){                                  String cp1 = cp.substring(0, 7);                 graphics.drawString(cp1, x, y);                 String cp2 = cp.substring(7, cp.length());                 graphics.drawString(cp2, x, y+20);                              }else{                 graphics.drawString(cp, x, y);             }                          graphics.drawString(price+" * "+map.get(str), 140, y);             Double totalVal = (Double.parseDouble(map.get(str))*price);             allMoney = allMoney + totalVal;             graphics.drawString(""+totalVal, imageWidth-(x+40), y);                              if(cpWidth >= 130){                 y = y + marginY;             }         }                           y = y + marginY;         if(cpWidth >= 130){             y = y + 15;         }         graphics.drawString("-----------------------------------", x, y);         y = y + 15;         DecimalFormat    df   = new DecimalFormat("######0.00");           graphics.drawString("消费合计", x, y);         graphics.drawString(""+map.keySet().size(), 140, y);         graphics.drawString(df.format(allMoney), imageWidth-(x+60), y);         y = y + 15;         graphics.drawString("-----------------------------------", x, y);         y = y + marginY;                           String totalMoney = "总金额:"+df.format(allMoney);         int mWith = fm.stringWidth(totalMoney);         graphics.drawString(totalMoney, imageWidth-(mWith+20), y);         y = y + marginY;                  graphics.setFont(fontTitle);         String ysje = "应收金额："+df.format(allMoney);         int ysWidth = fm.stringWidth(ysje);         graphics.drawString(ysje, imageWidth-(ysWidth+x+60), y);         BufferedImage bimg = new BufferedImage(imageWidth, imageHeight, BufferedImage.TYPE_INT_RGB);         graphics.drawImage(bimg, imageWidth, 0, null);         graphics.dispose();         String  imageUrl = createImage(imgPath);         int height = (int) (imageHeight/96*25.4);         return height;//返回生成的图片高度或者地址     }     /**      * 创建图片存放目录      * 如果目录不存在   创建      * @param destDirName      * @return      */     public static boolean createDir(String destDirName) {         File dir = new File(destDirName);         if(dir.exists()) {              System.out.println("创建目录" + destDirName + "失败，目标目录已存在！");              return false;         }         if(!destDirName.endsWith(File.separator))          destDirName = destDirName + File.separator;         // 创建单个目录         if(dir.mkdirs()) {          System.out.println("创建目录" + destDirName + "成功！");          return true;         } else {          System.out.println("创建目录" + destDirName + "成功！");          return false;         }     }         public static void main(String[] args) {        Map<String,String> map = new HashMap<String, String>();        map.put("番茄鸡蛋", "1");        map.put("蒜苔腊肉", "2");        map.put("农家小炒肉", "3");        map.put("干锅辣子鸡炒芹菜炖豆腐", "4");//        map.put("番茄鸡蛋1", "5");//        map.put("蒜苔腊肉2", "6");//        map.put("农家小炒肉3", "7");                    CreateImage.graphicsGeneration(map,"D:/123/1.jpg");    }}