找了很久的ESC/POS指令集，为官方正式发布版本，为需要的朋友提供方便哈,For a long time looking for the ESC/POS command set, for the official release version, in order to facilitate the needs of friends and Kazakhstan

本文是一个Star微型打印机的OPOS开发技术手册,This article is a Micro-Star development OPOS printer Technical Manual

EPSON OPOS ADK Version 2.50E 的手册,中文版，《OPOS ADK 应用程序开发指南--基本功能》-EPSON OPOS ADK offers standardized API functions that interface with peripherals used in POS systems through ActiveX controls that can be run in Visual Basic, operating on the Windows

本文是一个应用OPOS支持的API，来开发应用程序所联系到的各种告戒和要点。-This article is supported by OPOS an application API, to develop applications to a variety of links and points of caution.