C# 全部打印、奇偶页打印、指定范围打印、指定页打印的方法

#C# 全部打印、奇偶页打印、指定范围打印、指定页打印的方法| 来源: 网络整理| 查看: 265

一、封装CustomPrintController类

using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Drawing.Printing; using System.Drawing.Imaging; using System.Drawing; using System.Windows.Forms; namespace PrinterTest { /// /// 打印控制 /// public class CustomPrintController : PreviewPrintController { #region 变量/属性 #region EnmPrintType /// /// 打印模式枚举【全部、奇数页、偶数页、指定页等】 /// public enum EnmPrintType { All, Odd, Even, Range, PageNumber } #endregion #region 页面列表 /// /// 页面列表 /// private List _lstMetafile = new List(); #endregion #region 打印页码列表 /// /// 打印页码列表 /// private List _lstPrintPageNumber = new List(); #endregion #region 当前正在打印页码索引 /// /// 当前正在打印页码索引 /// private int _intCurrentPrintPageIndex = -1; #endregion #region 获取总页数 /// /// 获取总页数 /// private int PageCount { get { if (this._lstMetafile == null) { return 0; } return this._lstMetafile.Count; } } #endregion #endregion #region OnStartPrint /// /// OnStartPrint /// /// /// public override void OnStartPrint(PrintDocument document, PrintEventArgs e) { base.OnStartPrint(document, e); this._lstMetafile.Clear(); } #endregion #region OnEndPage /// /// OnEndPage /// /// /// public override void OnEndPage(PrintDocument document, PrintPageEventArgs e) { base.OnEndPage(document, e); PreviewPageInfo[] ppia = GetPreviewPageInfo(); PreviewPageInfo ppi = ppia[ppia.Length - 1]; Metafile _Metafile = (Metafile)ppi.Image; this._lstMetafile.Add(_Metafile); } #endregion #region PrintPage /// /// PrintPage /// /// /// private void PrintPage(object sender, PrintPageEventArgs e) { if (this._lstMetafile == null || this.PageCount == 0) { return; } ++this._intCurrentPrintPageIndex; //打印当前页 int intPrintPageIndex = this._intCurrentPrintPageIndex; if (intPrintPageIndex < 0 || intPrintPageIndex > this._lstPrintPageNumber.Count - 1) { return; } int intMetafileIndex = _lstPrintPageNumber[intPrintPageIndex] - 1; if (intMetafileIndex < 0 || intMetafileIndex > this.PageCount - 1) { return; } e.Graphics.DrawImage(this._lstMetafile[intMetafileIndex], new Rectangle(0, 0, e.PageSettings.PaperSize.Width, e.PageSettings.PaperSize.Height)); //验证下一页是否能打印 int intNextPrintPageIndex = this._intCurrentPrintPageIndex + 1; if (intNextPrintPageIndex < 0 || intNextPrintPageIndex > this._lstPrintPageNumber.Count - 1) { return; } int intNextMetafileIndex = _lstPrintPageNumber[intNextPrintPageIndex] - 1; if (intNextPrintPageIndex < 0 || intNextPrintPageIndex > this.PageCount - 1) { return; } e.HasMorePages = true; } #endregion #region Print /// /// Print /// /// 打印模式 /// p_enmPrintType=EnmPrintType.Page有效 /// p_enmPrintType=EnmPrintType.Range有效分隔符: ,- /// private void Print(EnmPrintType p_enmPrintType, int p_intPrintPageNumber, string p_strPrintRange) { if(!m_blnSetPrintPageNumber(p_enmPrintType, p_intPrintPageNumber, p_strPrintRange)) { return; } System.Drawing.Printing.PrintDocument objDoc = null; try { objDoc = new System.Drawing.Printing.PrintDocument(); this._intCurrentPrintPageIndex = -1; objDoc.PrintPage += new System.Drawing.Printing.PrintPageEventHandler(this.PrintPage); objDoc.Print(); } catch (Exception objEx) { MessageBox.Show("打印出错。\r\n\r\n" + objEx.Message); } finally { if (objDoc != null) { objDoc.Dispose(); objDoc = null; } } } #endregion #region 设置打印页码列表 /// /// 设置打印页码列表 /// /// 打印模式 /// p_enmPrintType=EnmPrintType.Page有效 /// p_enmPrintType=EnmPrintType.Range有效 /// private bool m_blnSetPrintPageNumber(EnmPrintType p_enmPrintType, int p_intPrintPageNumber, string p_strPrintRange) { this._lstPrintPageNumber.Clear(); switch (p_enmPrintType) { case EnmPrintType.All: for (int i1 = 0; i1 < this.PageCount; i1++) { int intPageNumber = i1 + 1; this._lstPrintPageNumber.Add(intPageNumber); } break; case EnmPrintType.Odd: for (int i1 = 0; i1 < this.PageCount; i1++) { int intPageNumber = i1 + 1; if (intPageNumber % 2 != 0) { this._lstPrintPageNumber.Add(intPageNumber); } } break; case EnmPrintType.Even: for (int i1 = 0; i1 < this.PageCount; i1++) { int intPageNumber = i1 + 1; if (intPageNumber % 2 == 0) { this._lstPrintPageNumber.Add(intPageNumber); } } break; case EnmPrintType.Range: #region 解析打印范围 string strRangeText = p_strPrintRange; if (strRangeText == null) { this._lstPrintPageNumber.Clear(); return false; } string[] strArr = strRangeText.Split(new char[] { ',', '，' }, StringSplitOptions.RemoveEmptyEntries); if (strArr == null) { this._lstPrintPageNumber.Clear(); return false; } for (int i1 = 0; i1 < strArr.Length; i1++) { string str = strArr[i1]; if (!str.Trim().Contains('-')) { try { int intPageNumber = Convert.ToInt32(str.Trim()); if (intPageNumber > 0 && intPageNumber < this.PageCount) { this._lstPrintPageNumber.Add(intPageNumber); } } catch { MessageBox.Show("输入打印范围的格式有误。"); this._lstPrintPageNumber.Clear(); return false; } } else { string[] strArr2 = str.Trim().Split(new char[] { '-' }, StringSplitOptions.RemoveEmptyEntries); if (strArr2.Length > 1) { try { int intFromPage = Convert.ToInt32(strArr2[0]); int intToPage = Convert.ToInt32(strArr2[strArr2.Length - 1]); for (int page = intFromPage; page 0 && page < this.PageCount) { this._lstPrintPageNumber.Add(page); } } } catch { MessageBox.Show("输入打印范围的格式有误。"); this._lstPrintPageNumber.Clear(); return false; } } else { MessageBox.Show("输入打印范围的格式有误。"); this._lstPrintPageNumber.Clear(); return false; } } } #endregion break; case EnmPrintType.PageNumber: if (p_intPrintPageNumber > 0 && p_intPrintPageNumber < this.PageCount) { this._lstPrintPageNumber.Add(p_intPrintPageNumber); } break; } if (this._lstPrintPageNumber.Count > 0) { return true; } else { return false; } } #endregion #region 打印 /// /// 打印全部 /// public void PrintAll() { Print(EnmPrintType.All, 0, null); } /// /// 打印奇数页 /// public void PrintOdd() { Print(EnmPrintType.Odd, 0, null); } /// /// 打印偶数页 /// public void PrintEven() { Print(EnmPrintType.Even, 0, null); } /// /// 打印指定范围页 /// /// 指定范围分隔符: ,- public void PrintRange(string p_strPrintRange) { Print(EnmPrintType.Range, 0, p_strPrintRange); } /// /// 打印指定页 /// /// 指定页码 public void PrintPageNumber(int p_intPageNumber) { Print(EnmPrintType.PageNumber, p_intPageNumber, null); } #endregion } }

二、使用CustomPrintController类进行打印控制，该类的使用方法以下：

2.1)添加 System.Drawing.Printing.PrintDocument控件（如控件名为：_pDoc），并实现该控件的下面三个事件（注：该三个事件类似全部打印一要，该怎么打印就怎么打印，该怎么分页就怎么分页，不需要考虑奇偶打印、指定页打印等等）：this._pDoc.BeginPrint += new System.Drawing.Printing.PrintEventHandler(this._pDoc_BeginPrint);this._pDoc.EndPrint += new System.Drawing.Printing.PrintEventHandler(this._pDoc_EndPrint);this._pDoc.PrintPage += new System.Drawing.Printing.PrintPageEventHandler(this._pDoc_PrintPage);

2.2)在窗体Load事件中添加以下代码：

CustomPrintController objPrintController = new CustomPrintController(); _pDoc.PrintController = objPrintController;

2.3)在第2.4点操作之前保证添加的System.Drawing.Printing.PrintDocument控件执行一次Print方法，如在窗体的Load事件中（具体考虑效率放在哪更有效）：

this._pDoc.Print();

注：之所以要执行Print方法，是为了让CustomPrintController类中的事件OnEndPage执行，以便计算出生成的所有页面列表。

2.4)“打印”按钮点击事件：

private void btnPrint_Click(object sender, EventArgs e) { CustomPrintController objPrintController = _pDoc.PrintController as CustomPrintController; if (objPrintController != null) { if (rdbOdd.Checked) {//打印奇数页 objPrintController.PrintOdd(); } else if (rdbEven.Checked) {//打印偶数页 objPrintController.PrintEven(); } else if (rdbRange.Checked) {//打印范围 objPrintController.PrintRange(txtRange.Text.Trim()); } else if (rdbPageNumber.Checked) {//打印指定页 int intPageNumber = 0; int.TryParse(txtPageNumber.Text.Trim(), out intPageNumber); objPrintController.PrintPageNumber(intPageNumber); } else {//打印全部 objPrintController.PrintAll(); } } }

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C# 全部打印、 奇偶页打印、指定范围打印、指定页打印 的方法

C# 全部打印、奇偶页打印、指定范围打印、指定页打印的方法