原理：
1、用codesoft软件制作ZPL模板文件。
2、用.net程序替换模板文件里面的变量。
3、将新形成的zpl文件传送给打印机
程序：
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Data.OleDb;
using System.Data.Sql;
using System.Data.SqlClient;
using System.IO;
using System.Configuration;
namespace print
{
public partial class printmpq : Form
{
SqlConnection sqlconnection = new SqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["websqlConnectionString"].ConnectionString);
private string stringToPrint;
public printmpq()
{
InitializeComponent();
}
private void printmpq_Load(object sender, EventArgs e)
{
textBox_item.Focus();
}
private void textBox_item_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyValue == 13 || e.KeyValue.ToString() == Keys.Tab.ToString())
{
textBox_item.Text = textBox_item.Text.ToString().Trim().ToUpper();
sqlconnection.Open();
DataSet printds = new DataSet();
String sqldata = "select * from supermarket_config where status = ‘Active’ and item = ‘" + textBox_item.Text.ToString().Trim().ToUpper() + "’";
SqlDataAdapter printad = new SqlDataAdapter(sqldata, sqlconnection);
printad.Fill(printds, "print");
if (printds.Tables["print"].Rows.Count > 0)
{
textBox_mpq.Text = printds.Tables["print"].Rows[0]["mpq"].ToString();
}
else
{
MessageBox.Show("Supermarket尚未设置此料号的！");
textBox_item.Text = "";
textBox_item.Focus();
sqlconnection.Close();
return;
}
sqlconnection.Close();
textBox_mpq.Focus();
}
}
private void button_print_Click(object sender, EventArgs e)
{
if (textBox_item.Text.Trim() == "" || textBox_mpq.Text.Trim() == "" || textBox_mpq.Text.ToString().Trim() == "0")
{
MessageBox.Show("No Item Or No MPQ");
sqlconnection.Close();
return;
}
StreamReader sr = File.OpenText(@"d:supermarketprint-mpq.zpl");
StringBuilder output = new StringBuilder();
String rl = "";
while ((rl = sr.ReadLine()) != null)
{
rl = rl.Replace("supermarket_item", textBox_item.Text.ToString().Trim().ToUpper());
rl = rl.Replace("supermarket_qty",textBox_mpq.Text.ToString().Trim());
rl = rl.Replace("supermarket_datecode", textBox_datecode.Text.ToString().Trim());
output.Append(rl + System.Environment.NewLine);
}
String zplname = DateTime.Now.ToString("MMddyyyy") + DateTime.Now.ToString("hh-mm-ss") + Guid.NewGuid().ToString();
//MessageBox.Show(@"d:supermarketzpl" + zplname + "Print-End.zpl");
StreamWriter sw = File.CreateText(@"d:supermarketzpl" + zplname + "Print-mpq.zpl");
sw.WriteLine(output.ToString());
sw.Close();
sr.Close();
printDocument1.DocumentName = @"d:supermarketzpl" + zplname + "Print-mpq.zpl";
Str
eamReader srprint = File.OpenText(@"d:supermarketzpl" + zplname + "Print-mpq.zpl");
stringToPrint = srprint.ReadToEnd();
printDocument1.Print();
textBox_item.Text = "";
textBox_mpq.Text = "";
textBox_datecode.Text = "";
textBox_item.Focus();
}
private void printDocument1_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
{
int charactersOnPage = 0;
int linesPerPage = 0;
e.Graphics.MeasureString(stringToPrint, this.Font,
e.MarginBounds.Size, StringFormat.GenericTypographic,
out charactersOnPage, out linesPerPage);
e.Graphics.DrawString(stringToPrint, this.Font, Brushes.Black,
e.MarginBounds, StringFormat.GenericTypographic);
stringToPrint = stringToPrint.Substring(charactersOnPage);
e.HasMorePages = (stringToPrint.Length > 0);
}
private void linkLabel_web_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
System.Diagnostics.Process.Start("IEXPLORE.EXE", "http://shant128/supermarket/print_mpq.aspx");
}
private void textBox_mpq_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyValue == 13)
{
textBox_datecode.Focus();
//button_print.Focus();
}
}
private void textBox_datecode_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyValue == 13)
{
button_print.Focus();
}
}
}
}