public class PrintInvoice {
#region 01.获得打印机1获得吧台打印机2获得后厨打印机
/// <summary>
/// 获得打印机1获得吧台打印机2获得后厨打印机
/// </summary>
public TcpClient GetPrint(int n = 1)
{
var client = new
System.Net.Sockets.TcpClient();
var bll = new PrintAndPlaceBll();
var model = bll.GetModel(n);
var port = Common.rtnInt32(model.PrintPort);//9100
var ipPrint =
model.PrintIpAddress;//192.168.1.111
client.Connect(ipPrint, port);
return client;
}
#endregion
#region 02.初始化一个网路访问数据流
/// <summary>
/// 初始化一个网路访问数据流
/// </summary>
/// <returns></returns>
public NetworkStream BuildStream()
{
System.Net.Sockets.NetworkStream stream = null;
return stream;
}
#endregion
#region 03.套接字和打印机通讯放回通讯流
/// <summary>
/// 套接字和打印机通讯放回通讯流
/// </summary>
/// <returns></returns>
public NetworkStream GetStream(TcpClient
client, NetworkStream stream)
{
byte[]
chushihua = new byte[] { 27, 64 };//初始化打印机
byte[] ziti = new byte[] { 27, 77, 0 };//选择字体n
=0,1,48,49
byte[] zitidaxiao = new byte[] {
29, 33, 0 };//选择字体大小
byte[] duiqifangshi = new byte[] { 27,
97, 1 };//选择对齐方式0,48左对齐1,49中间对齐2,50右对齐
stream = client.GetStream();
//是否支持写入
if (!stream.CanWrite)
{
stream = null;
}
stream.Write(chushihua, 0,
chushihua.Length);//初始化
stream.Write(ziti, 0,
ziti.Length);//设置字体
stream.Write(zitidaxiao, 0,
zitidaxiao.Length);//设置字体大小--关键
stream.Write(duiqifangshi, 0,
duiqifangshi.Length);//居中
return stream;
}
#endregion
#region 04.把要打印的文字写入打印流
/// <summary>
/// 把要打印的文字写入打印流
/// </summary>
/// <param name="stream"></param>
/// <param name="output"></param>
public void PrintText(NetworkStream stream, string output)
{
Byte[] data = System.Text.Encoding.Default.GetBytes(output);
stream.Write(data, 0, data.Length);//输出文字
}
#endregion
#region
05.设置对齐方式0,48左对齐1,49中间对齐2,50右对齐
/// <summary>
/// 设置对齐方式0,48左对齐1,49中间对齐2,50右对齐
/// </summary>
/// <param name="stream"></param>
/// <param name="n"></param>
public void SetDuiQi(NetworkStream stream, byte n)
{
byte[] duiqifangshi = new byte[] { 27, 97, 1
};//选择对齐方式0,48左对齐1,49中间对齐2,50右对齐
stream.Write(duiqifangshi,
0, duiqifangshi.Length);
}
#endregion
#region 06.设置字体n =0,1,48,49
/// <summary>
/// 设置字体n =0,1,48,49
/// </summary>
/// <param name="stream"></param>
/// <param name="n"></param>
public void SetFont(NetworkStream stream, byte n)
{
byte[] ziti = new byte[] { 27, 77, 0
};//选择字体n =0,1,48,49
stream.Write(ziti, 0,
ziti.Length);
}
#endregion
#region 07.设置加粗1加粗0还原
/// <summary>
/// 设置加粗1加粗0还原
/// </summary>
/// <param name="stream"></param>
/// <param name="n"></param>
public void SetBold(NetworkStream stream, byte n)
{
byte[] jiacu = new byte[] { 27, 69, n };//选择加粗模式
stream.Write(jiacu, 0,
jiacu.Length);
}
#endregion
#region 08.设置字体大小0最小1,2,3
/// <summary>
/// 设置字体大小0最小1,2,3
/// </summary>
/// <param name="stream"></param>
/// <param name="n"></param>
public void SetFontSize(NetworkStream stream, byte
n)
{
byte[] zitidaxiao = new byte[] { 29, 33, n
};//选择字体大小
stream.Write(zitidaxiao, 0, zitidaxiao.Length);
}
#endregion
#region 09.切纸
/// <summary>
/// 切纸
/// </summary>
/// <param name="stream"></param>
/// <param name="n"></param>
public void QieZhi(NetworkStream stream)
{
byte[] qiezhi = new byte[] { 29, 86, 1, 49 };//切纸
stream.Write(qiezhi,
0, qiezhi.Length);
}
#endregion
#region 10.释放资源
/// <summary>
/// 释放资源
/// </summary>
/// <param name="client"></param>
/// <param name="stream"></param>
public void DiposeStreamClient(TcpClient client,
NetworkStream stream)
{
if (stream != null)
{
stream.Close();
stream.Dispose();
}
if (client != null) client.Close();
}
#endregion
#region 11.样例展示
private void Printeg()
{
var p = new PrintInvoice();
var batai = p.GetPrint();//获得吧台打印机
var liunull =
p.BuildStream();//初始化一个网络访问数据流
try
{
var liu = p.GetStream(batai,
liunull);//获得通讯打印流
p.SetFontSize(liu, 2);//字体变大
p.SetBold(liu, 1);//加粗
p.PrintText(liu,
"\n结账单\n\n");//打印文字
p.SetBold(liu, 0);//取消加粗
p.SetFontSize(liu, 0);//字体还原
p.PrintText(liu,
"北京西城
");//打印文字
p.PrintText(liu,
"\n----------------------------------------------\n");//打印文字
p.PrintText(liu, "账单号：1405220015
消费方式：普通消费\n");//打印文字
p.PrintText(liu,
"时间：14-06-06 08:58 人数：4 桌号：11");//打印文字
p.PrintText(liu,
"\n----------------------------------------------\n");//打印文字
p.SetFontSize(liu, 1);//字体变大
p.SetBold(liu, 1);//加粗
p.PrintText(liu,
"品项名称 数量
单价 金额");//打印文字
p.SetBold(liu, 0);//取消加粗
p.SetFontSize(liu, 0);//字体还原
p.PrintText(liu,
"\n----------------------------------------------\n");//打印文字
p.PrintText(liu, "木须肉
2
16 32\n");//打印文字
p.PrintText(liu,
"宫保鸡丁
1
20 20\n");//打印文字
p.PrintText(liu, "----------------------------------------------\n");//打印文字
p.SetFontSize(liu, 1);//字体变大
p.SetBold(liu, 1);//加粗
p.PrintText(liu,
"
小计：52.00");//打印文字
p.SetBold(liu, 0);//取消加粗
p.SetFontSize(liu,
0);//字体还原
p.PrintText(liu,
"\n----------------------------------------------\n");//打印文字
p.PrintText(liu, "\n折扣：4
现金：100 找零：44\n\n");//打印文字
p.SetFontSize(liu, 1);//字体变大
p.SetBold(liu, 1);//加粗
p.PrintText(liu,
"
实际结算：￥48");//打印文字
p.SetBold(liu, 0);//取消加粗
p.SetFontSize(liu, 0);//字体还原
p.PrintText(liu,
"\n----------------------------------------------\n");//打印文字
p.PrintText(liu,
"收银员：张三
\n");//打印文字
p.PrintText(liu,
"服务员：李四
\n");//打印文字
p.PrintText(liu,
"\n客人签字：________________
\n");//打印文字
p.PrintText(liu, "\n==============================================\n");//打印文字
p.PrintText(liu,
"xx餐厅祝您用餐愉快！");//打印文字
p.PrintText(liu, "\n餐厅电话：4000000 ");//打印文字
p.PrintText(liu, "\n==============================================\n");//打印文字
p.PrintText(liu, "\n\n\n\n\n\n\n\n");//打印文字
p.QieZhi(liu);//切纸
}
catch
{
//打印机缺纸或者纸匣打开时,不会出现异常,不用特殊代码判断,数据不会丢失.
}
finally
{
p.DiposeStreamClient(batai, liunull);//释放资源
}
}
#endregion
}
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