打印的原理是:生成mdi文件,系統(tǒng)碰到mdi的時(shí)候會(huì)自動(dòng)以打印的方式處理。所以,不管用什么模板,什么方式;能在PrintPage事件處理中,生成一張要打印內(nèi)容的圖片就OK了!
C#實(shí)現(xiàn)打印源碼如下:
#region 打印
? ? ? ?private void btnPrint_Click(object sender, EventArgs e)
? ? ? ?{
? ? ? ? ? ?//打印預(yù)覽
? ? ? ? ? ?//PrintPreviewDialog ppd = new PrintPreviewDialog();
? ? ? ? ? ?PrintDocument pd = new PrintDocument();
? ? ? ? ? ?//設(shè)置邊距
? ? ? ? ? ?Margins margin = new Margins(20, 20, 20, 20);
? ? ? ? ? ?pd.DefaultPageSettings.Margins = margin;
? ? ? ? ? ?////紙張?jiān)O(shè)置默認(rèn)
? ? ? ? ? ?//PaperSize pageSize = new PaperSize("First custom size", 800, 600);
? ? ? ? ? ?//pd.DefaultPageSettings.PaperSize = pageSize;
? ? ? ? ? ?//打印事件設(shè)置
? ? ? ? ? ?pd.PrintPage += new PrintPageEventHandler(this.pd_PrintPage);
? ? ? ? ? ?//ppd.Document = pd;
? ? ? ? ? ?//ppd.ShowDialog();
? ? ? ? ? ?try
? ? ? ? ? ?{
? ? ? ? ? ? ? ?pd.Print();
? ? ? ? ? ?}
? ? ? ? ? ?catch (Exception ex)
? ? ? ? ? ?{
? ? ? ? ? ? ? ?MessageBox.Show(ex.Message, "打印出錯(cuò)", MessageBoxButtons.OK, MessageBoxIcon.Error);
? ? ? ? ? ? ? ?pd.PrintController.OnEndPrint(pd, new PrintEventArgs());
? ? ? ? ? ?}
? ? ? ?}
? ? ? ?//打印事件處理
? ? ? ?private void pd_PrintPage(object sender, PrintPageEventArgs e)
? ? ? ?{
? ? ? ? ? ?string date = lblDate.Text; //當(dāng)前日期
? ? ? ? ? ?string flowId = lblFlowId.Text; //流水號(hào)
? ? ? ? ? ?string payDate = PayDate.Year.ToString() + "年" + PayDate.Month.ToString() + "月"; //應(yīng)收年月
? ? ? ? ? ?string adminId = lblAdminId.Text; //操作員編號(hào)
? ? ? ? ? ?string baseExpense = lblBaseExpense.Text; //應(yīng)交基本費(fèi)用
? ? ? ? ? ?string fine = lblFine.Text; //罰款數(shù)目
? ? ? ? ? ?string upExpense = lblUpExpense.Text; //上月上余
? ? ? ? ? ?string actualExpense = txtActualExpense.Text; //實(shí)際應(yīng)交費(fèi)用
? ? ? ? ? ?string chineseExpense = DecimalToChinese.ConvertSum(actualExpense); //實(shí)際應(yīng)交費(fèi)用的中文大寫
? //讀取圖片模板
? ? ? ? ? ?Image temp = Image.FromFile(@"Receipts.jpg");
? ? ? ? ? ?GetResultIntoImage(ref temp, UserId, flowId, date, baseExpense, fine, upExpense, actualExpense, chineseExpense, payDate, adminId);
? ? ? ? ? ?int x = e.MarginBounds.X;
? ? ? ? ? ?int y = e.MarginBounds.Y;
? ? ? ? ? ?int width = temp.Width;
? ? ? ? ? ?int height = temp.Height;
? ? ? ? ? ?Rectangle destRect = new Rectangle(x, y, width, height);
? ? ? ? ? ?e.Graphics.DrawImage(temp, destRect, 0, 0, temp.Width, temp.Height, System.Drawing.GraphicsUnit.Pixel);
? ? ? ?}
? ? ? ?///
/// 將收費(fèi)結(jié)果填充到圖片模板
///
private void GetResultIntoImage(
ref Image temp,
string userId,
string flowId,
string currentDate,
string baseExpense,
string fine,
string upExpense,
string actualExpense,
string chineseExpense,
string payDate,
string adminName)
{
//讀取圖片模板
Graphics g = Graphics.FromImage(temp);
Font f = new Font("宋體", 12);
Brush b = new SolidBrush(Color.Black);
//填充數(shù)據(jù)到圖片模板(位置要在制作圖片模板的時(shí)候度量好)
g.DrawImage(temp, 0, 0, temp.Width, temp.Height);
g.DrawString(userId, f, b, 168, 105);
g.DrawString(UserName, f, b, 166, 134);
g.DrawString(flowId, f, b, 535, 105);
g.DrawString(currentDate, f, b, 535, 134);
g.DrawString(baseExpense, f, b, 219, 202);
g.DrawString(fine, f, b, 372, 202);
g.DrawString(upExpense, f, b, 486, 202);
g.DrawString(actualExpense, f, b, 596, 202);
g.DrawString(chineseExpense, f, b, 196, 238);
g.DrawString(payDate, f, b, 176, 269);
g.DrawString(adminName, f, b, 497, 298);
g.Dispose();
}
#endregion