ESCP 打印指令使用.docx

ESC/P 打印指令使用,3种票据打印方法/blog/c# 知识 2009-02-11 18:11:52 阅读495 评论0 ??字号：大中小?订阅 （１）自定义纸张设置 控制面板-打印机和传真-右键-服务器属性-创建新的格式（２）自定义纸张使用?this.printDocument1.DefaultPageSettings.PaperSize = new System.Drawing.Printing.PaperSize(NewPrint, iWidth, iHeight); NewPrint：制定一纸张名称。? iWidth：纸张使用宽度。? iHeight：纸张使用高度。 iWidth，iHeight　可以在使用过程中调整。 例如：iWidth=923，iHeight=480（３）ESC/P指令使用using System;using System.Runtime.InteropServices;using System.Data;using System.IO;using System.Windows.Forms;namespace PrintDome{ class ClsPrintLPT { private IntPtr iHandle; private FileStream fs; private StreamWriter sw; private string prnPort = LPT1;?? //打印机端口 public ClsPrintLPT() { } private const uint GENERIC_READ = 0 private const uint GENERIC_WRITE = 0 private const int OPEN_EXISTING = 3; /// summary /// 打开一个vxd(设备) /// /summary [DllImport(kernel32.dll, EntryPoint = CreateFile, CharSet = CharSet.Auto)] private static extern IntPtr CreateFile(string lpFileName, uint dwDesiredAccess, int dwShareMode, int lpSecurityAttributes, int dwCreationDisposition, int dwFlagsAndAttributes, int hTemplateFile); /// summary /// 开始连接打印机 /// /summary private bool PrintOpen() { iHandle = CreateFile(prnPort, GENERIC_READ | GENERIC_WRITE, 0, 0, OPEN_EXISTING, 0, 0); if (iHandle.ToInt32() == -1) { MessageBox.Show(没有连接打印机或者打印机端口不是LPT1！, 提示, MessageBoxButtons.OK, MessageBoxIcon.Information); return false; } else { fs = new FileStream(iHandle, FileAccess.ReadWrite); sw = new StreamWriter(fs, System.Text.Encoding.Default);?? //写数据 return true; } } /// summary /// 打印字符串 /// /summary /// param name=str要打印的字符串/param private void PrintLine(string str) { sw.WriteLine(str); ; } /// summary /// 关闭打印连接 /// /summary private void PrintEnd() { sw.Close(); fs.Close(); } /// summary /// 打印票据 /// /summary /// param name=dstb_Temp 全部字段数据集合/param /// returnstrue：打印成功 false：打印失败/returns public bool PrintDataSet(DataSet dsPrint) { try { if (PrintOpen()) { PrintLine( ); PrintLine([XXXXXXXXXXXXXXXXXX超市]); PrintLine(NO :????? + dsPrin