JAVA連線印表機列印小票
阿新 • • 發佈：2019-02-05
1.商品資訊類
2.列印佈局類package com.smartsuppermarket.commodity; public class Commodity { // 商品名稱 private String name; // 單價 private String unit_price; // 數量 private String num; // 總價 private String sum; public Commodity(String name, String unit_price, String num, String sum, String barcode) { super(); this.name = name; this.unit_price = unit_price; this.num = num; this.sum = sum; this.barcode = barcode; } // 條碼 private String barcode; public String getName() { return name; } public void setName(String name) { this.name = name; } public String getUnit_price() { return unit_price; } public void setUnit_price(String unit_price) { this.unit_price = unit_price; } public String getNum() { return num; } public void setNum(String num) { this.num = num; } public String getSum() { return sum; } public void setSum(String sum) { this.sum = sum; } public String getBarcode() { return barcode; } public void setBarcode(String barcode) { this.barcode = barcode; } }
3.列印小票package com.smartsuppermarket.printer; import java.awt.BasicStroke; import java.awt.Color; import java.awt.Component; import java.awt.Font; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.print.PageFormat; import java.awt.print.Printable; import java.awt.print.PrinterException; import java.util.ArrayList; import java.util.Calendar; import com.smartsuppermarket.commodity.Commodity; //實現Printable介面 用於建立列印內容 public class SalesTicket implements Printable { private ArrayList<Commodity> list; private String cashier; private Font font; private String sale_num; private String sale_sum; private String practical; private String changes; private String orders; // 建構函式 public SalesTicket(ArrayList<Commodity> list, String cashier, String orders, String sale_num, String sale_sum, String practical, String changes) { this.list = list; // 收銀員編號 this.cashier = cashier; // 訂單標號 this.orders = orders; // 商品總數 this.sale_num = sale_num; // 總金額 this.sale_sum = sale_sum; // 實收 this.practical = practical; // 找零 this.changes = changes; } /** * @param Graphic指明列印的圖形環境 * @param PageFormat指明列印頁格式（頁面大小以點為計量單位，1點為1英才的1/72，1英寸為25.4毫米。A4紙大致為595× * 842點） * @param pageIndex指明頁號 **/ @Override public int print(Graphics graphics, PageFormat pageFormat, int pageIndex) throws PrinterException { Component c = null; // 轉換成Graphics2D 拿到畫筆 Graphics2D g2 = (Graphics2D) graphics; // 設定列印顏色為黑色 g2.setColor(Color.black); // 列印起點座標 double x = pageFormat.getImageableX(); double y = pageFormat.getImageableY(); // 虛線 float[] dash1 = { 4.0f }; // width - 此 BasicStroke 的寬度。此寬度必須大於或等於 0.0f。如果將寬度設定為 // 0.0f，則將筆劃呈現為可用於目標裝置和抗鋸齒提示設定的最細線條。 // cap - BasicStroke 端點的裝飾 // join - 應用在路徑線段交匯處的裝飾 // miterlimit - 斜接處的剪裁限制。miterlimit 必須大於或等於 1.0f。 // dash - 表示虛線模式的陣列 // dash_phase - 開始虛線模式的偏移量 // 設定畫虛線 g2.setStroke(new BasicStroke(0.5f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, 4.0f, dash1, 0.0f)); // 設定列印字型（字型名稱、樣式和點大小）（字型名稱可以是物理或者邏輯名稱） font = new Font("宋體", Font.PLAIN, 11); g2.setFont(font);// 設定字型 float heigth = font.getSize2D();// 字型高度 // 標題 g2.drawString("廣西機電工程學校智慧超市", (float) x, (float) y + heigth); float line = 2 * heigth; font = new Font("宋體", Font.PLAIN, 8); g2.setFont(font);// 設定字型 heigth = font.getSize2D();// 字型高度 // 顯示收銀員 g2.drawString("收銀員:" + cashier, (float) x, (float) y + line); // 顯示訂單號 g2.drawString("訂單號:" + orders, (float) x + 100, (float) y + line); line += heigth; // 顯示標題 g2.drawString("名稱", (float) x + 20, (float) y + line); g2.drawString("單價", (float) x + 60, (float) y + line); g2.drawString("數量", (float) x + 85, (float) y + line); g2.drawString("總額", (float) x + 115, (float) y + line); line += heigth; g2.drawLine((int) x, (int) (y + line), (int) x + 158, (int) (y + line)); // 第4行 line += heigth; // 顯示內容 for (int i = 0; i < list.size(); i++) { Commodity commodity = list.get(i); g2.drawString(commodity.getName(), (float) x, (float) y + line); line += heigth; g2.drawString(commodity.getBarcode(), (float) x, (float) y + line); g2.drawString(commodity.getUnit_price(), (float) x + 60, (float) y + line); g2.drawString(commodity.getNum(), (float) x + 90, (float) y + line); g2.drawString(commodity.getSum(), (float) x + 120, (float) y + line); line += heigth; } line += heigth; g2.drawLine((int) x, (int) (y + line), (int) x + 158, (int) (y + line)); line += heigth; g2.drawString("售出商品數:" + sale_num + "件", (float) x, (float) y + line); g2.drawString("合計:" + sale_sum + "元", (float) x + 70, (float) y + line); line += heigth; g2.drawString("實收:" + practical + "元", (float) x, (float) y + line); g2.drawString("找零:" + changes + "元", (float) x + 70, (float) y + line); line += heigth; g2.drawString("時間:" + Calendar.getInstance().getTime().toLocaleString(), (float) x, (float) y + line); line += heigth; g2.drawString("天天平價,日日新鮮", (float) x + 20, (float) y + line); line += heigth; g2.drawString("錢票請當面點清，離開櫃檯恕不負責", (float) x, (float) y + line); switch (pageIndex) { case 0: return PAGE_EXISTS; default: return NO_SUCH_PAGE; } } }
/** * 列印銷售小票 * * @param order * 訂單號 * @param num * 數量 * @param sum * 總金額 * @param practical * 實收 * @param change * 找零 */ private void PrintSale(String order, String num, String sum, String practical, String change) { try { // 通俗理解就是書、文件 Book book = new Book(); // 設定成豎打 PageFormat pf = new PageFormat(); pf.setOrientation(PageFormat.PORTRAIT); ArrayList<Commodity> cmd_list = new ArrayList<Commodity>(); // 取出資料 for (int i = 0; i < list.size(); i++) { Collect c = list.get(i); Commodity cd = new Commodity(c.getName(), String.valueOf(c.getSell()), String.valueOf(c.getNum()), String.valueOf(c.getTotal()), c.getCode()); cmd_list.add(cd); } // 通過Paper設定頁面的空白邊距和可列印區域。必須與實際列印紙張大小相符。 Paper paper = new Paper(); paper.setSize(158, 30000);// 紙張大小 paper.setImageableArea(0, 0, 158, 30000);// A4(595 X // 842)設定列印區域，其實0，0應該是72，72，因為A4紙的預設X,Y邊距是72 pf.setPaper(paper); book.append(new SalesTicket(cmd_list, Windows.user_num, order, num, sum, practical, change), pf); // 獲取列印服務物件 PrinterJob job = PrinterJob.getPrinterJob(); // 設定列印類 job.setPageable(book); job.print(); } catch (PrinterException e) { e.printStackTrace(); } } //-------使用方法---------- // 訂單編號 數量 總額 實收 找零 負責人 String num = String.valueOf(number); String sum1 = String.valueOf(CD.getSum()); String ptc = CD.getPractical(); String change = String.valueOf(CD.getChange()); String mess[] = { order, num, sum1, ptc, change, Windows.user_num }; // 插入資料到訂單銷售表 tm.InsertOrders(mess); // 列印小票 PrintSale(order, num, sum1, ptc, change);