java对接热敏小票打印机

喜欢ヅ旅行 2024-04-29 19:25 68阅读 0赞

全是封装的工具类，复制粘贴即可使用！！！

### 实体类 ###

@Data
    public class Orders implements Serializable {
        private static final long serialVersionUID = -560708444936642252L;
        /**销售型号*/
        @ApiModelProperty(value = "销售型号")
        private String salesType;
        /**销售价*/
        @ApiModelProperty(value = "销售价")
        private String sellingPrice;
        /**折后价*/
        @ApiModelProperty(value = "折后价")
        private String discountPrice;
        /**数量*/
        @ApiModelProperty(value = "数量")
        private String count;
        /**金额*/
        @ApiModelProperty(value = "金额")
        private String goodAmount;
    
    }

import com.google.zxing.BarcodeFormat;
    import com.google.zxing.EncodeHintType;
    import com.google.zxing.MultiFormatWriter;
    import com.google.zxing.client.j2se.MatrixToImageWriter;
    import com.google.zxing.common.BitMatrix;
    import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
    import io.swagger.annotations.ApiModelProperty;
    import lombok.Data;
    
    import java.awt.*;
    import java.awt.image.BufferedImage;
    import java.awt.print.PageFormat;
    import java.awt.print.Printable;
    import java.awt.print.PrinterException;
    import java.text.SimpleDateFormat;
    import java.util.HashMap;
    import java.util.List;
    import java.util.Map;
    
    /**
     * 销售清单对象
     */
    @Data
    public class SalesTicket implements Printable {
        private List<Orders> goods; //商品列表
        /**
         * 订单编号
         */
        @ApiModelProperty(value = "订单编号")
        private String orderNo;
        /**
         * 创建时间
         */
        @ApiModelProperty(value = "创建时间")
        private String createTime;
        /**
         * 所属门店名称
         */
        @ApiModelProperty(value = "所属门店名称")
        private String storeBelongName;
        /**
         * 门店地址
         */
        @ApiModelProperty(value = "门店地址")
        private String fullAddress;
    
        /**
         * 总数量
         */
        @ApiModelProperty(value = "总数量")
        private String totalCount;
        /**
         * 折扣率
         */
        @ApiModelProperty(value = "折扣率")
        private String discountRate;
        /**
         * 原价
         */
        @ApiModelProperty(value = "原价")
        private String originalPrice;
        /**
         * 优惠价
         */
        @ApiModelProperty(value = "优惠价")
        private String specialPrice;
        /**
         * 实付价
         */
        @ApiModelProperty(value = "实付价")
        private String actualPricePaid;
    
    
        private SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss EEE");
    
        @Override
        public String toString() {
            return "SalesTicket [goods=" + goods + ", orderNo=" + orderNo + ", createTime=" + createTime
                    + ", storeBelongName=" + storeBelongName + ", fullAddress=" + fullAddress + ", totalCount="
                    + totalCount + ", discountRate=" + discountRate + ", originalPrice=" + originalPrice + ", specialPrice="
                    + specialPrice + ", actualPricePaid=" + actualPricePaid + "]";
        }
    
        public SalesTicket(List<Orders> goods, String orderNo, String createTime, String storeBelongName,
                           String fullAddress, String totalCount, String discountRate, String originalPrice,
                           String specialPrice, String actualPricePaid) {
            super();
            this.goods = goods;
            this.orderNo = orderNo;
            this.createTime = createTime;
            this.storeBelongName = storeBelongName;
            this.fullAddress = fullAddress;
            this.totalCount = totalCount;
            this.discountRate = discountRate;
            this.originalPrice = originalPrice;
            this.specialPrice = specialPrice;
            this.actualPricePaid = actualPricePaid;
        }
    
        public SalesTicket() {
            super();
        }
    
    
        /**
         * 打印方法
         * graphics - 用来绘制页面的上下文，即打印的图形
         * pageFormat - 将绘制页面的大小和方向，即设置打印格式，如页面大小一点为计量单位（以1/72 英寸为单位，1英寸为25.4毫米。A4纸大致为595 × 842点）
         * 小票纸宽度一般为58mm，大概为165点
         * pageIndex - 要绘制的页面从 0 开始的索引 ，即页号
         */
        @Override
        public int print(Graphics graphics, PageFormat pageFormat, int pageIndex) throws PrinterException {
            //此 Graphics2D 类扩展 Graphics 类，以提供对几何形状、坐标转换、颜色管理和文本布局更为复杂的控制。
            //它是用于在 Java(tm) 平台上呈现二维形状、文本和图像的基础类。
            Graphics2D g2 = (Graphics2D) graphics;
            //设置打印颜色为黑色
            g2.setColor(Color.black);
    
            //打印起点坐标
            double x = pageFormat.getImageableX();  //返回与此 PageFormat相关的 Paper对象的可成像区域左上方点的 x坐标。
            double y = pageFormat.getImageableY();  //返回与此 PageFormat相关的 Paper对象的可成像区域左上方点的 y坐标。
            //Font.PLAIN： 普通样式常量：Font.ITALIC 斜体样式常量：Font.BOLD 粗体样式常量。
            Font font = new Font("宋体", Font.BOLD, 10); //根据指定名称、样式和磅值大小，创建一个新 Font。
            //设置标题打印字体
            g2.setFont(font);
            //获取字体的高度
            float heigth = font.getSize2D();
    
            //设置小票的标题标题
            g2.drawString("      标题名称", (float) x + 25, (float) y + heigth);
            //下一行开始打印的高度
            float line = 2 * heigth;
            //设置正文字体
            g2.setFont(new Font("宋体", Font.PLAIN, 8));
            // 字体高度
            heigth = font.getSize2D();
            line += 2;
            g2.drawString("订单编号:" + orderNo, (float) x + 20, (float) y + line);
            line += heigth + 2;
            g2.drawString("创建时间:" + createTime, (float) x + 20, (float) y + line);
            line += heigth + 2;
            g2.drawString("下单门店:" + storeBelongName, (float) x + 20, (float) y + line);
            line += heigth + 2;
            g2.drawString("门店地址:" + fullAddress, (float) x + 20, (float) y + line);
            line += heigth + 2;
            g2.setStroke(new BasicStroke(1f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, 4.0f, new float[]{4.0f}, 0.0f));
            //在此图形上下文的坐标系中使用当前颜色在点 (x1, y1) 和 (x2, y2) 之间画一条线。 即绘制虚线
            g2.drawLine((int) x, (int) (y + line), (int) x + 158, (int) (y + line));
            line += heigth;
            //设置商品清单
            if (goods != null && goods.size() > 0) {
                for (Orders gdf : goods) {
                    Graphics2D g3 = (Graphics2D) graphics;
                    Font font1 = new Font("宋体", Font.BOLD, 5);
                    g3.setFont(font1);
                    g2.drawString("名称:", (float) x + 15, (float) y + line);
                    g2.drawString(gdf.getSalesType(), (float) x + 60, (float) y + line);
                    line += heigth;
    
                    float column1Width = g3.getFontMetrics().stringWidth("销售价:");
                    float column2Width = g3.getFontMetrics().stringWidth("折后价:");
                    float column3Width = g3.getFontMetrics().stringWidth("数量:");
                    float column4Width = g3.getFontMetrics().stringWidth("金额:");
    
                    float column1X = (int) x + 15 + column1Width;
                    float column2X = column1X + column2Width;
                    float column3X = column2X + column3Width;
                    float column4X = column3X + column4Width;
    
                    g3.drawString("销售价:", (float) x + 15, (float) y + line);
                    g3.drawString("折后价:", (float) column2X + 10, (float) y + line);
                    g3.drawString("        数量:", (float) column3X + 10, (float) y + line);
                    g3.drawString("        金额:", (float) column4X + 10, (float) y + line);
                    line += heigth;
    
                    g3.drawString(String.valueOf(gdf.getSellingPrice()), (float) x + 15, (float) y + line);
                    g3.drawString(String.valueOf(gdf.getDiscountPrice()), (float) column2X + 10, (float) y + line);
                    g3.drawString("        " + String.valueOf(gdf.getCount()), (float) column3X + 10, (float) y + line);
                    g3.drawString("        " + String.valueOf(gdf.getGoodAmount()), (float) column4X + 10, (float) y + line);
                    line += heigth;
                }
            }
            Graphics2D g4 = (Graphics2D) graphics;
            Font font2 = new Font("宋体", Font.BOLD, 7);
            g4.setFont(font2);
            g2.setStroke(new BasicStroke(1f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, 4.0f, new float[]{4.0f}, 0.0f));
            //在此图形上下文的坐标系中使用当前颜色在点 (x1, y1) 和 (x2, y2) 之间画一条线。 即绘制虚线
            g2.drawLine((int) x, (int) (y + line), (int) x + 158, (int) (y + line));
            line += heigth;
            g4.drawString("总数量:" + totalCount + "件" + "     折扣:" + discountRate, (float) x + 15, (float) y + line);
            line += heigth;
    //        g2.drawString("折扣:"+ discountRate,(float)x+15,(float)y+line);
            line += heigth;
            g4.drawString("原价:￥" + originalPrice + "     " + "优惠:￥" + specialPrice, (float) x + 15, (float) y + line);
            line += heigth;
            line += heigth;
            g2.setStroke(new BasicStroke(1f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, 4.0f, new float[]{4.0f}, 0.0f));
            //在此图形上下文的坐标系中使用当前颜色在点 (x1, y1) 和 (x2, y2) 之间画一条线。 即绘制虚线
            g2.drawLine((int) x, (int) (y + line), (int) x + 158, (int) (y + line));
            line += heigth;
            g4.drawString("实付:￥" + actualPricePaid, (float) x + 15, (float) y + line);
            line += heigth;
            g2.setStroke(new BasicStroke(1f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, 4.0f, new float[]{4.0f}, 0.0f));
            //在此图形上下文的坐标系中使用当前颜色在点 (x1, y1) 和 (x2, y2) 之间画一条线。 即绘制虚线
            g2.drawLine((int) x, (int) (y + line), (int) x + 158, (int) (y + line));
            line += heigth + 10;
            g4.drawString("  *温馨提醒！*", (float) x + 15, (float) y + line);
            line += heigth + 10;
            //在此图形上下文的坐标系中使用当前颜色在点 (x1, y1) 和 (x2, y2) 之间画一条线。 即绘制虚线
            g2.drawLine((int) x, (int) (y + line), (int) x + 158, (int) (y + line));
            line += heigth + 10;
            g4.drawString("请您务必妥善保管好小票！", (float) x + 15, (float) y + line);
            line += heigth + 10;
            g4.drawString("【七天无理由退换货服务】", (float) x + 15, (float) y + line);
            line += heigth;
            g4.drawString("自购买日起7天内，在商品原包装完好,", (float) x + 15, (float) y + line);
            line += heigth;
            g4.drawString("吊牌未拆封,不影响二次销售的情况下.", (float) x + 15, (float) y + line);
            line += heigth;
            g4.drawString("可凭本张收银小票，前往原购买店铺", (float) x + 15, (float) y + line);
            line += heigth;
            g4.drawString("享受7天无理由退换货服务。", (float) x + 15, (float) y + line);
            line += heigth + 10;
            g4.drawString("盲盒类商品,贴身衣物类商品一经售出,", (float) x + 15, (float) y + line);
            line += heigth;
            g4.drawString("恕不退还!", (float) x + 15, (float) y + line);
            line += heigth;
            line += heigth + 10;
            g4.drawString("【30天质量问题退换货服务】", (float) x + 15, (float) y + line);
            line += heigth;
            g4.drawString("自购买日起30天内，如产品发生质量", (float) x + 15, (float) y + line);
            line += heigth;
            g4.drawString("问题,可凭本张收银小票，前往原购买", (float) x + 15, (float) y + line);
            line += heigth;
            g4.drawString("门店销售退换货服务", (float) x + 15, (float) y + line);
            line += heigth;
            line += heigth + 10;
            g4.drawString("质量问题鉴定请按照相关国家行业标准", (float) x + 15, (float) y + line);
            line += heigth;
            g2.setStroke(new BasicStroke(1f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, 4.0f, new float[]{4.0f}, 0.0f));
            //在此图形上下文的坐标系中使用当前颜色在点 (x1, y1) 和 (x2, y2) 之间画一条线。 即绘制虚线
            g2.drawLine((int) x, (int) (y + line), (int) x + 158, (int) (y + line));
            line += heigth + 30;
            g4.drawString("请您扫描右侧二维码开具电子发票", (float) x + 15, (float) y + line);
            line += heigth;
            g4.drawString("开具电子发票", (float) x + 15, (float) y + line);
            BufferedImage qrcodeImg = generateQRCode("https://www.baidu.com", 60, 60);
            if (qrcodeImg != null) {
                //在打印页面上绘制二维码图片
                g2.drawImage(qrcodeImg, (int) x + 90, (int) ((int) y + line - 40), null);
            }
            line += heigth + 30;
            g2.setStroke(new BasicStroke(1f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, 4.0f, new float[]{4.0f}, 0.0f));
            //在此图形上下文的坐标系中使用当前颜色在点 (x1, y1) 和 (x2, y2) 之间画一条线。 即绘制虚线
            g2.drawLine((int) x, (int) (y + line), (int) x + 158, (int) (y + line));
            line += heigth + 10;
            g4.drawString("  *结语*", (float) x + 15, (float) y + line);
            switch (pageIndex) {
                case 0:
                    return PAGE_EXISTS;  //0
                default:
                    return NO_SUCH_PAGE;   //1
            }
    
    
        }
    
    
        /**
         * 使用Zxing生成二维码
         *
         * @param content 二维码内容
         * @param width   二维码宽度
         * @param height  二维码高度
         * @return 二维码图片
         */
        public BufferedImage generateQRCode(String content, int width, int height) {
            try {
                //设置二维码参数
                content = "暂不支持此功能";
                Map<EncodeHintType, Object> hints = new HashMap<>();
                hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
                hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
                hints.put(EncodeHintType.MARGIN, 0);
    
                //生成二维码
                BitMatrix bitMatrix = new MultiFormatWriter().encode(content, BarcodeFormat.QR_CODE, width, height, hints);
                BufferedImage image = MatrixToImageWriter.toBufferedImage(bitMatrix);
                return image;
            } catch (Exception e) {
                e.printStackTrace();
                return null;
            }
        }
    
    
    }

### 设置纸张大小 ###

import com.link.dms.base.print.Model.SalesTicket;
    
    import java.awt.print.*;
    
    /**
     * 打印对象 -> 实现Printable接口即可调用打印机打印
     */
    public class YcPrinter {
        private SalesTicket salesTicket;
    
        public YcPrinter(SalesTicket salesTicket) {
            this.salesTicket = salesTicket;
        }
    
        public void printer() {
            try {
                //Book 类提供文档的表示形式，该文档的页面可以使用不同的页面格式和页面 painter
                Book book = new Book(); //要打印的文档
    
                //PageFormat类描述要打印的页面大小和方向
                PageFormat pf = new PageFormat();  //初始化一个页面打印对象
                pf.setOrientation(PageFormat.PORTRAIT); //设置页面打印方向，从上往下，从左往右
    
                //设置打印纸页面信息。通过Paper设置页面的空白边距和可打印区域。必须与实际打印纸张大小相符。
                Paper paper = new Paper();
                // 纸张大小
                paper.setSize(158, 30000);
                // A4(595 X 842)设置打印区域，其实0，0应该是72，72，因为A4纸的默认X,Y边距是72
                paper.setImageableArea(0, 0, 158, 30000);
                pf.setPaper(paper);
    
                book.append(salesTicket, pf);
    
                PrinterJob job = PrinterJob.getPrinterJob();   //获取打印服务对象
    
                job.setPageable(book);  //设置打印类
    
                job.print(); //开始打印
            } catch (PrinterException e) {
                e.printStackTrace();
            }
        }
    }

### Controller层调用 ###

import com.link.dms.base.print.Model.SalesTicket;
    import io.swagger.annotations.Api;
    import org.springframework.stereotype.Controller;
    import org.springframework.web.bind.annotation.PostMapping;
    import org.springframework.web.bind.annotation.RequestBody;
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.bind.annotation.ResponseBody;
    
    @Controller
    @RequestMapping("/print")
    @Api(tags = {"定单请求处理"})
    public class printReceipt {
    
        @PostMapping("/receipt")
        @ResponseBody
        public String printOrder(@RequestBody SalesTicket salesTickets) {
            SalesTicket stk = new SalesTicket(salesTickets.getGoods(), salesTickets.getOrderNo(), salesTickets.getCreateTime(),
                    salesTickets.getStoreBelongName(), salesTickets.getFullAddress(), salesTickets.getTotalCount(),
                    salesTickets.getDiscountRate(), salesTickets.getOriginalPrice(), salesTickets.getSpecialPrice(),
                    salesTickets.getActualPricePaid());
            YcPrinter p = new YcPrinter(stk);
            p.printer();
            return "成功";
        }
    }