Android進(jìn)階——安卓調(diào)用ESC/POS打印機(jī)打印實(shí)例

前言

目前創(chuàng)新互聯(lián)已為成百上千的企業(yè)提供了網(wǎng)站建設(shè)、域名、虛擬主機(jī)、網(wǎng)站托管、服務(wù)器托管、企業(yè)網(wǎng)站設(shè)計、松江網(wǎng)站維護(hù)等服務(wù),公司將堅持客戶導(dǎo)向、應(yīng)用為本的策略,正道將秉承"和諧、參與、激情"的文化,與客戶和合作伙伴齊心協(xié)力一起成長,共同發(fā)展。

前一段時間由于工作需要,要研究一下安卓程序調(diào)用打印機(jī)打印小票,并且要求不能使用藍(lán)牙調(diào)用,研究了一下,可以利用socket連接,來實(shí)現(xiàn)打印功能。寫了個Demo,分享一下。

工具:一臺打印機(jī)(芯燁XP-80XX),一臺安卓測試機(jī)

開發(fā)環(huán)境:Android Studio 1.5

需求:點(diǎn)擊按鈕,實(shí)現(xiàn)打印小票功能,小票上除必要文字外,還要有二維碼。

封裝了一個Pos打印工具類:

package com.example.haoguibao.myapplication; 
 
import java.io.DataOutputStream; 
import java.io.IOException; 
import java.io.OutputStream; 
import java.io.OutputStreamWriter; 
import java.net.Socket; 
 
/** 
 * Created by haoguibao on 16/2/18. 
 * Description : 封裝Pos機(jī)打印工具類 
 * Revision : 
 */ 
public class Pos { 
  //定義編碼方式 
  private static String encoding = null; 
 
  private Socket sock = null; 
  // 通過socket流進(jìn)行讀寫 
  private OutputStream socketOut = null; 
  private OutputStreamWriter writer = null; 
 
  /** 
   * 初始化Pos實(shí)例 
   * 
   * @param ip 打印機(jī)IP 
   * @param port 打印機(jī)端口號 
   * @param encoding 編碼 
   * @throws IOException 
   */ 
  public Pos(String ip, int port, String encoding) throws IOException { 
    sock = new Socket(ip, port); 
    socketOut = new DataOutputStream(sock.getOutputStream()); 
    this.encoding = encoding; 
    writer = new OutputStreamWriter(socketOut, encoding); 
  } 
 
  /** 
   * 關(guān)閉IO流和Socket 
   * 
   * @throws IOException 
   */ 
  protected void closeIOAndSocket() throws IOException { 
    writer.close(); 
    socketOut.close(); 
    sock.close(); 
  } 
 
  /** 
   * 打印二維碼 
   * 
   * @param qrData 二維碼的內(nèi)容 
   * @throws IOException 
   */ 
  protected void qrCode(String qrData) throws IOException { 
    int moduleSize = 8; 
    int length = qrData.getBytes(encoding).length; 
 
    //打印二維碼矩陣 
    writer.write(0x1D);// init 
    writer.write("(k");// adjust height of barcode 
    writer.write(length + 3); // pl 
    writer.write(0); // ph 
    writer.write(49); // cn 
    writer.write(80); // fn 
    writer.write(48); // 
    writer.write(qrData); 
 
    writer.write(0x1D); 
    writer.write("(k"); 
    writer.write(3); 
    writer.write(0); 
    writer.write(49); 
    writer.write(69); 
    writer.write(48); 
 
    writer.write(0x1D); 
    writer.write("(k"); 
    writer.write(3); 
    writer.write(0); 
    writer.write(49); 
    writer.write(67); 
    writer.write(moduleSize); 
 
    writer.write(0x1D); 
    writer.write("(k"); 
    writer.write(3); // pl 
    writer.write(0); // ph 
    writer.write(49); // cn 
    writer.write(81); // fn 
    writer.write(48); // m 
 
    writer.flush(); 
 
  } 
 
  /** 
   * 進(jìn)紙并全部切割 
   * 
   * @return 
   * @throws IOException 
   */ 
  protected void feedAndCut() throws IOException { 
    writer.write(0x1D); 
    writer.write(86); 
    writer.write(65); 
    //    writer.write(0); 
    //切紙前走紙多少 
    writer.write(100); 
    writer.flush(); 
 
    //另外一種切紙的方式 
    //    byte[] bytes = {29, 86, 0}; 
    //    socketOut.write(bytes); 
  } 
 
  /** 
   * 打印換行 
   * 
   * @return length 需要打印的空行數(shù) 
   * @throws IOException 
   */ 
  protected void printLine(int lineNum) throws IOException { 
    for (int i = 0; i < lineNum; i++) { 
      writer.write("\n"); 
    } 
    writer.flush(); 
  } 
 
  /** 
   * 打印換行(只換一行) 
   * 
   * @throws IOException 
   */ 
  protected void printLine() throws IOException { 
    writer.write("\n"); 
    writer.flush(); 
  } 
 
  /** 
   * 打印空白(一個Tab的位置,約4個漢字) 
   * 
   * @param length 需要打印空白的長度, 
   * @throws IOException 
   */ 
  protected void printTabSpace(int length) throws IOException { 
    for (int i = 0; i < length; i++) { 
      writer.write("\t"); 
    } 
    writer.flush(); 
  } 
 
  /** 
   * 打印空白(一個漢字的位置) 
   * 
   * @param length 需要打印空白的長度, 
   * @throws IOException 
   */ 
  protected void printWordSpace(int length) throws IOException { 
    for (int i = 0; i < length; i++) { 
      writer.write(" "); 
    } 
    writer.flush(); 
  } 
 
  /** 
   * 打印位置調(diào)整 
   * 
   * @param position 打印位置 0:居左(默認(rèn)) 1:居中 2:居右 
   * @throws IOException 
   */ 
  protected void printLocation(int position) throws IOException { 
    writer.write(0x1B); 
    writer.write(97); 
    writer.write(position); 
    writer.flush(); 
  } 
 
  /** 
   * 絕對打印位置 
   * 
   * @throws IOException 
   */ 
  protected void printLocation(int light, int weight) throws IOException { 
    writer.write(0x1B); 
    writer.write(0x24); 
    writer.write(light); 
    writer.write(weight); 
    writer.flush(); 
  } 
 
  /** 
   * 打印文字 
   * 
   * @param text 
   * @throws IOException 
   */ 
  protected void printText(String text) throws IOException { 
    String s = text; 
    byte[] content = s.getBytes("gbk"); 
    socketOut.write(content); 
    socketOut.flush(); 
  } 
 
  /** 
   * 新起一行,打印文字 
   * 
   * @param text 
   * @throws IOException 
   */ 
  protected void printTextNewLine(String text) throws IOException { 
    //換行 
    writer.write("\n"); 
    writer.flush(); 
 
    String s = text; 
    byte[] content = s.getBytes("gbk"); 
    socketOut.write(content); 
    socketOut.flush(); 
  } 
 
  /** 
   * 初始化打印機(jī) 
   * 
   * @throws IOException 
   */ 
  protected void initPos() throws IOException { 
    writer.write(0x1B); 
    writer.write(0x40); 
    writer.flush(); 
  } 
 
  /** 
   * 加粗 
   * 
   * @param flag false為不加粗 
   * @return 
   * @throws IOException 
   */ 
  protected void bold(boolean flag) throws IOException { 
    if (flag) { 
      //常規(guī)粗細(xì) 
      writer.write(0x1B); 
      writer.write(69); 
      writer.write(0xF); 
      writer.flush(); 
    } else { 
      //加粗 
      writer.write(0x1B); 
      writer.write(69); 
      writer.write(0); 
      writer.flush(); 
    } 
  } 
} 

其中,打印機(jī)的IP和端口號從打印機(jī)的屬性設(shè)置處可查。

MainActivity中進(jìn)行調(diào)用:

package com.example.haoguibao.myapplication; 
 
import android.os.Bundle; 
import android.support.v7.app.AppCompatActivity; 
import android.view.View; 
import android.widget.Button; 
 
import java.io.IOException; 
import java.net.UnknownHostException; 
import java.util.ArrayList; 
import java.util.List; 
 
public class MainActivity extends AppCompatActivity { 
  //訂單菜品集合 
  private List<FoodsBean> foodsBean; 
 
  private Pos pos; 
 
  @Override 
  protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.activity_main); 
 
    Button bt_print = (Button) findViewById(R.id.button); 
 
 
    bt_print.setOnClickListener(new View.OnClickListener() { 
      @Override 
      public void onClick(View v) { 
 
        // 開啟一個子線程 
        new Thread() { 
          public void run() { 
            try { 
              pos = new Pos("IP", 9100, "GBK");  //第一個參數(shù)是打印機(jī)網(wǎng)口IP 
 
              //初始化打印機(jī) 
              pos.initPos(); 
 
              //初始化訂單數(shù)據(jù) 
              initData(); 
 
              pos.bold(true); 
              pos.printTabSpace(2); 
              pos.printWordSpace(1); 
              pos.printText("**測試店鋪"); 
 
              pos.printLocation(0); 
              pos.printTextNewLine("----------------------------------------------"); 
              pos.bold(false); 
              pos.printTextNewLine("訂 單 號:1005199"); 
              pos.printTextNewLine("用 戶 名:15712937281"); 
              pos.printTextNewLine("桌  號:3號桌"); 
              pos.printTextNewLine("訂單狀態(tài):訂單已確認(rèn)"); 
              pos.printTextNewLine("訂單日期:2016/2/19 12:34:53"); 
              pos.printTextNewLine("付 款 人:線下支付(服務(wù)員:寶哥)"); 
              pos.printTextNewLine("服 務(wù) 員:1001"); 
              pos.printTextNewLine("訂單備注:不要辣,少鹽"); 
              pos.printLine(2); 
 
              pos.printText("品項(xiàng)"); 
              pos.printLocation(20, 1); 
              pos.printText("單價"); 
              pos.printLocation(99, 1); 
              pos.printWordSpace(1); 
              pos.printText("數(shù)量"); 
              pos.printWordSpace(3); 
              pos.printText("小計"); 
              pos.printTextNewLine("----------------------------------------------"); 
 
 
              for (FoodsBean foods : foodsBean) { 
                pos.printTextNewLine(foods.getName()); 
                pos.printLocation(20, 1); 
                pos.printText(foods.getPrice()); 
                pos.printLocation(99, 1); 
                pos.printWordSpace(1); 
                pos.printText(foods.getNumber()); 
                pos.printWordSpace(3); 
                pos.printText(foods.getSum()); 
              } 
 
              pos.printTextNewLine("----------------------------------------------"); 
 
              pos.printLocation(1); 
              pos.printLine(2); 
              //打印二維碼 
              pos.qrCode("http://blog.csdn.net/haovip123"); 
 
              //切紙 
              pos.feedAndCut(); 
 
              pos.closeIOAndSocket(); 
              pos = null; 
            } catch (UnknownHostException e) { 
              e.printStackTrace(); 
            } catch (IOException e) { 
              e.printStackTrace(); 
            } 
          } 
 
        }.start(); 
 
      } 
    }); 
  } 
 
  private void initData() { 
    foodsBean = new ArrayList<>(); 
 
    for (int i = 0; i < 4; i++) { 
      FoodsBean fb = new FoodsBean(); 
      fb.setName("測試菜品" + i); 
      fb.setPrice("90.00"); 
      fb.setNumber("1" + i); 
      fb.setSum("10" + i + ".00"); 
      foodsBean.add(fb); 
    } 
  } 
} 

附:小票中菜品的Bean類

public class FoodsBean { 
  private String name; 
  private String price; 
  private String number; 
  private String sum; 
 
  public String getName() { 
    return name; 
  } 
  public void setName(String name) { 
    this.name = name; 
  } 
  public String getPrice() { 
    return price; 
  } 
  public void setPrice(String price) { 
    this.price = price; 
  } 
  public String getNumber() { 
    return number; 
  } 
  public void setNumber(String number) { 
    this.number = number; 
  } 
  public String getSum() { 
    return sum; 
  } 
  public void setSum(String sum) { 
    this.sum = sum; 
  } 
} 

打印小票樣品如圖:

Android進(jìn)階——安卓調(diào)用ESC/POS打印機(jī)打印實(shí)例

小結(jié):

對于調(diào)用打印機(jī),不論使用Java語言還是其他語言,思路都是一樣的,利用Socket連接上打印機(jī)以后,通過IO流進(jìn)行輸出打印,它們的打印指令都是一樣的,可以下載打印手冊,針對不同的設(shè)置,使用不同的打印指令即可。

以上就是本文的全部內(nèi)容,希望對大家的學(xué)習(xí)有所幫助,也希望大家多多支持創(chuàng)新互聯(lián)。

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