pos | 易学教程

Printing to POS Printers in Xamarin Forms Android

阅读更多关于 Printing to POS Printers in Xamarin Forms Android

问题 I have an app that is built with XF and I want it to be able to discover POS Printers through LAN, USB and maybe WIFI too, and print receipts with a very simple template. Does anyone have any leads ? there is this ePOS Android SDK : https://download.epson-biz.com/modules/pos/index.php?page=prod&pcat=3&pid=36 But it's with JAVA. And I also found this nugget ESC-POS : https://github.com/lukevp/ESC-POS-.NET If there is anyone who have any idea on how I should proceed or already done it before I

Produce Manual beep sound from Magellan 9800i scanner scale device using Microsoft Point of Services in C#

阅读更多关于 Produce Manual beep sound from Magellan 9800i scanner scale device using Microsoft Point of Services in C#

问题 Hello everyone here I'm stuck in this issue can you please help me out from this. Here I'm using this device and I want to generate a beep sound manually from Magellan 9800i scanner/scale device. I used Microsoft Point of Service to integrate this hardware device in my application. 回答1: The tone and bell commands are listed in Appendix D, Host Commands, in the Magellan 9800i Product Reference Guide. One of 0x42,0x01,0x07. Beep Good Read Tone 'B' 0x42 Force Good Read Tone 0x01 Bel 0x07 The

How to load qty_avaiable in Pos odoo

阅读更多关于 How to load qty_avaiable in Pos odoo

来源： https://stackoverflow.com/questions/63923893/how-to-load-qty-avaiable-in-pos-odoo

How I Can Implement DirectIO Event Of POS Scanner Using C#.Net?

阅读更多关于 How I Can Implement DirectIO Event Of POS Scanner Using C#.Net?

问题 I'm trying to generate error beep sound using DirectIO event of Pos Scanner but I have no idea about the correct parameters.The event name is DirectIO and it took three parameters his syntax is : directIO(DIO_SCANNER_DIO_ERROR_BEEP, data, object); we don't know the parameter accepts by the above event. Could you please provide us more details about the above event with example in C#/VB.Net. Scanner Details: DataLogic Magellan 9800i Thanks, 回答1: This is a little old material, but the supported

For loop runs twice the result?

阅读更多关于 For loop runs twice the result?

问题 I am new to Android. I am creating a native MobilePOS Android application for printng by using Bluetooth. This is my code: private void showandadd() { /*String num=""; num=num+String.valueOf(number);*/ String string1=""; String string2=""; String string3=""; if(num==""){ Toast.makeText(this,"Wrong input!! try again", Toast.LENGTH_LONG).show(); } if(flag==1) { getItem(directadd); if(blankflag!=1) { int updatedPrice = Integer.parseInt(this.price); int data = Integer.parseInt(this.num); if(data=

What are the possible ways to print POS receipts? [Laravel 5.8 and Reactjs]

阅读更多关于 What are the possible ways to print POS receipts? [Laravel 5.8 and Reactjs]

问题 Please suggest me Possible ways to handle POS printing Preferably with one-click print (no browser print dialogue) I am using Laravel 5.8 as backend and Reactjs as frontend. Additional info : I am developing a POS system for restaurants. This online hosted system will be used by multiple restaurants using a web browser on PC or tablet. Restaurants will have their own POS account(there may be one or more POS accounts for a restaurant) from where orders will be placed. In short, it is multi

C# CUSTOM VKP80iii Paper Ejector/Paper Cut

阅读更多关于 C# CUSTOM VKP80iii Paper Ejector/Paper Cut

问题 I am using RawPrinterHelper class to print on a Custom VKP80iii. I can print but I cant Cut and Eject the Paper. Does any have a code which Cuts and Ejects the Paper? I tried a lot of Commands but none worked. The last command I found but also didn´t work was : string cutpaper = "" + Convert.ToChar(29) + Convert.ToChar(101) + Convert.ToChar(3) + Convert.ToChar(32); RawPrinterHelper.SendStringToPrinter(pd.PrinterSettings.PrinterName, cutpaper); 回答1: After the kind support of Custom, the

C# CUSTOM VKP80iii Paper Ejector/Paper Cut

阅读更多关于 C# CUSTOM VKP80iii Paper Ejector/Paper Cut

(Python) Networkx - Define own pos dictionary

阅读更多关于 (Python) Networkx - Define own pos dictionary

问题 my code is like that: for x in xrange(5): G.add_edge('sIP:\n'+mostfrequent[x][0], countermfi[x]) G.add_edge('dIP:\n'+mostfrequent[x][1], countermfi[x]) G.add_edge('sPort:\n'+mostfrequent[x][2], countermfi[x]) G.add_edge('dPort:\n'+mostfrequent[x][3], countermfi[x]) G.add_edge('Protocol:\n'+mostfrequent[x][4], countermfi[x]) G.add_edge('Packets:\n'+mostfrequent[x][5], countermfi[x]) G.add_edge('Bytes:\n'+mostfrequent[x][6], countermfi[x]) pos = nx.kamada_kawai_layout(G) # positions for all

电商交易背景知识合集第一季

阅读更多关于电商交易背景知识合集第一季

郑昀编纂基于网络资料创建于2015/9/7 最后更新于2015/9/7 特别感谢知乎梁川、天顺等知乎网友的精彩回答本文档适用人员：交易领域的产品研发人员提纲：银联一些错综复杂的关系银联是什么银联商务是什么快捷支付绕过银联了吗能通过卡号判断是对公账户或对私账户吗快捷支付为什么要推快捷支付 POS POS签单上的各种号码信用卡刷卡后都发生了什么第三方支付公司为什么需要有备付金直联网关和间联网关何谓银企直连支付宝是怎么对账的我们作为商户如何接入预付费卡牌照与第三方支付牌照有什么区别大宗交易电商网站如何接入做电商开发总会遇到各种不知所谓的产品和不知所云的术语，下面串一下。 0x00，银联 1.1.一些错综复杂的关系现如今手机 App 接入支付宝和微信支付即可，早年间 PC 端还得通过与银联商务对接，接入银联在线支付。但这是什么东西？unionpay，chinapay，银联在线支付，银联在线，这又是什么鬼？据说银联自己人都不一定能搞清楚这些东西的历史渊源。首先，这是中国银联的官方网站： www.unionpay.com ，现在是银联总公司办公室打理。它是这么介绍自己的：中国银联是中国银行卡联合组织，通过银联跨行交易清算系统，实现商业银行系统间的互联互通和资源共享，保证银行卡跨行、跨地区和跨境的使用