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网上找的PrintListView类,用于打印ListView,网上没有具体的引用方法。我进行了修改

时间:2016-06-07 13:13:39      阅读:211      评论:0      收藏:0      [点我收藏+]

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using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Drawing.Printing;


namespace CtiClient
{
    class PrintListView : ListView
    {
        private ListView myListView;

        /// <summary>    
        /// 指示是否进行打印预览,默认值为 true    
        /// </summary>    
        private bool m_bIsPreview;

        /// <summary>    
        /// 指示是否总是打印标题,默认值为 true    
        /// </summary>    
        private bool m_bIsAlwaysPrintHeader;

        /// <summary>    
        /// 需要打印的页首字符串    
        /// </summary>    
        private string m_sPrintHeaderString;

        /// <summary>    
        /// 标题的字体    
        /// </summary>    
        private Font m_oHeaderFont;

        /// <summary>    
        /// 正文字体    
        /// </summary>    
        private Font m_oBodyFont;

        /// <summary>    
        /// 页尾字体    
        /// </summary>    
        private Font m_oTailFont;

        /// <summary>    
        /// 正文部分的 ColumnHeader 字体,该字体为正文字体的加粗形式    
        /// </summary>    
        private Font m_oColumnHeaderFont;

        /// <summary>    
        /// 打印文档    
        /// </summary>    
        private PrintDocument m_oPrintDoc;

        /// <summary>    
        /// 行间距    
        /// </summary>    
        private int m_nLineSpace;

        private int m_nPrintWidth;            // 打印区域宽度    

        private int m_nPrintHeight;            // 打印区域长度    

        private int m_nPageCount;            // 打印页数    

        private int m_nCurPrintPage;         // 当前正在打印的页码    

        private int m_nTotalPage;            // 共有的页数    

        private int m_nFromPage;            // 用户选择的打印起始页    

        private int m_nCurPrintItem;         // 当前正在打印的元素    

        private Rectangle m_oHeaderRect;      // 打印页首的区域    

        private Rectangle m_oBodyRect;         // 打印正文的区域    

        private Rectangle m_oTailRect;         // 打印页尾的区域    

        private Brush defaultBrush;

        private Pen defaultPen;
   
        public ListView MYListView
        {
            get { return myListView; }
            set { myListView = value; }
        }



        /// <summary>    
        /// 设置或获取是否进行打印预览    
        /// </summary>    
        public bool IsPreview
        {
            get { return m_bIsPreview; }
            set { m_bIsPreview = value; }
        }



        /// <summary>    
        /// 设置或获取是否总是打印标题    
        /// </summary>    
        public bool IsAlwaysPrintHeader
        {
            get { return m_bIsAlwaysPrintHeader; }
            set { m_bIsAlwaysPrintHeader = value; }
        }

        /// <summary>    
        /// 设置或获取打印的页首字符串    
        /// </summary>    
        public string PrintHeaderString
        {
            get { return m_sPrintHeaderString; }
            set { if (value != null) m_sPrintHeaderString = value; }
        }

        /// <summary>    
        /// 设置或获取页首字体    
        /// </summary>    
        public Font HeaderFont
        {
            set { m_oHeaderFont = value; }
            get { return m_oHeaderFont; }
        }

        /// <summary>    
        /// 设置或获取正文字体    
        /// 如果对正文字体的 Bold 属性设置为 true ,则发生 Exception 类型的异常    
        /// </summary>    
        public Font BodyFont
        {
            set
            {
                if (value == null)
                    return;
                if (value.Bold == true)
                {
                    //throw new Exception ("正文字体不能进行 [加粗] 设置.");    
                    MessageBox.Show("正文字体不能进行 [加粗] 设置.", "警告", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                    return;
                }
                else {
                    m_oBodyFont = value;
                }
            }
            get { return m_oBodyFont; }
        }

        /// <summary>    
        /// 设置或获取页尾字体    
        /// </summary>    
        public Font TailFont
        {
            set { m_oTailFont = value; }
            get { return m_oTailFont; }
        }

        /// <summary>    
        /// 设置或获取行间距    
        /// </summary>    
        public int LineSpace
        {
            get { return m_nLineSpace; }
            set
            {
                if (value < 0)
                {
                    m_nLineSpace = 0;
                }
                m_nLineSpace = value;
            }
        }

        /// <summary>    
        /// 构造函数,设置打印信息的一些默认值    
        /// </summary>    
        public PrintListView()
        {
            m_bIsPreview = true;
            m_bIsAlwaysPrintHeader = true;
            IsAlwaysPrintHeader = true;
            m_sPrintHeaderString = "";
            m_oHeaderFont = null;
            m_oTailFont = null;
            m_oBodyFont = null;
            m_oColumnHeaderFont = null;
            m_oPrintDoc = null;
            m_nPrintWidth = 0;
            m_nPrintHeight = 0;
            m_nPageCount = 0;
            m_nCurPrintPage = 1;
            m_nFromPage = 1;
            m_nLineSpace = 0;
            m_nCurPrintItem = 0;
            defaultBrush = Brushes.Black;
            defaultPen = new Pen(defaultBrush, 1);
        }

        /// <summary>    
        /// 初始化打印文档的属性    
        /// </summary>    
        /// <returns></returns>    
        private void InitPrintDocument()
        {
            m_oPrintDoc = new PrintDocument();
            m_oPrintDoc.DocumentName = m_sPrintHeaderString;
            if (m_oPrintDoc.PrinterSettings.PrinterName == "<no default printer>")
            {
                //throw new Exception ("未找到默认打印机.");    
                MessageBox.Show("未找到默认打印机.", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
                return;
            }
            else {
                m_oPrintDoc.PrintPage += new PrintPageEventHandler(PrintPage);
                m_oPrintDoc.BeginPrint += new PrintEventHandler(BeginPrint);
                m_oPrintDoc.EndPrint += new PrintEventHandler(EndPrint);
            }

            /* 设置打印字体 */
            if (m_oHeaderFont == null)
            {
                m_oHeaderFont = new Font("宋体", 24, FontStyle.Bold, GraphicsUnit.World);
            }

            if (m_oBodyFont == null)
            {
                m_oBodyFont = new Font("宋体", 20, FontStyle.Regular, GraphicsUnit.World);
            }

            m_oColumnHeaderFont = new Font(m_oBodyFont, FontStyle.Bold);

            if (m_oTailFont == null)
            {
                m_oTailFont = new Font("宋体", 14, FontStyle.Regular, GraphicsUnit.World);
            }
        }

        /// <summary>    
        /// 初始化打印纸张设置    
        /// </summary>    
        private bool InitPrintPage(out Margins margins)
        {
            margins = null;
            /* 获取当前 listview 的分辨率 */
            Graphics g = myListView.CreateGraphics();
            float x = g.DpiX;
            g.Dispose();
            /* 显示纸张设置对话框 */
            PageSetupDialog ps = new PageSetupDialog();
            ps.Document = m_oPrintDoc;

            if (ps.ShowDialog() == DialogResult.Cancel)
            {
                return false;
            }
            else {  // 根据用户设置的纸张信息计算打印区域,计算结果的单位为 1/100 Inch    
                m_nPrintWidth = ps.PageSettings.Bounds.Width - ps.PageSettings.Margins.Left - ps.PageSettings.Margins.Right;
                m_nPrintHeight = ps.PageSettings.Bounds.Height - ps.PageSettings.Margins.Top - ps.PageSettings.Margins.Bottom;
                margins = ps.PageSettings.Margins;
            }

            if (m_nPrintWidth <= 0 || m_nPrintHeight <= 0)
            {
                //throw new Exception ("纸张设置错误.");    
                MessageBox.Show("纸张设置错误.", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                return false;
            }

            /* 将当前 listview 的各column的长度和转换为英寸,判断打印范围是否越界 */
            int listViewWidth = 0;
            for (int i = 0; i < myListView.Columns.Count; i++)
            {
                listViewWidth += myListView.Columns[i].Width;
            }
            if (Convert.ToInt32(listViewWidth / x * 100) > m_nPrintWidth)
            {
                //throw new Exception ("打印内容超出纸张范围 !\r\n请尝试调整纸张或纸张边距;\r\n或缩小表格各列的宽度。");    
                MessageBox.Show("打印内容超出纸张范围 !\r\n请尝试调整纸张或纸张边距;\r\n或缩小表格各列的宽度。", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
                return false;
            }
            m_oPrintDoc.DefaultPageSettings = ps.PageSettings;
            return true;
        }

        /// <summary>    
        /// 初始化打印页码设置    
        /// </summary>    
        private bool InitPrintPageNumber(Margins margins)
        {
            /* 计算页数 */
            int headerFontHeight = m_oHeaderFont.Height;
            int columnHeaderFontHeight = m_oColumnHeaderFont.Height;
            int bodyFontHeight = m_oBodyFont.Height;
            int tailFontHeight = m_oTailFont.Height;
            // 页首区域打印 页首字符串 以及一条横线    
            m_oHeaderRect = new Rectangle(margins.Left, margins.Top, m_nPrintWidth, headerFontHeight + m_nLineSpace + 3);
            int tailHeight = tailFontHeight + m_nLineSpace + 3;
            // 页尾区域打印 一条横线,页码和打印时间(在同一行)    
            m_oTailRect = new Rectangle(margins.Left, margins.Top + m_nPrintHeight - tailHeight, m_nPrintWidth, tailHeight);
            //正文区域为去掉页首和页尾区域的部分    
            m_oBodyRect = new Rectangle(margins.Left, m_oHeaderRect.Bottom + 2, m_nPrintWidth, m_oTailRect.Top - m_oHeaderRect.Bottom - 4);
            /* 计算第一页能打印的元素个数 */
            int printItemPerPage = 0;
            int firstPageItem = Convert.ToInt32((m_oBodyRect.Height - columnHeaderFontHeight - m_nLineSpace) / (bodyFontHeight + m_nLineSpace));
            if (firstPageItem >= myListView.Items.Count)
            {   // 需打印的元素只有一页    
                m_nPageCount = 1;
            }
            else {  // 需要打印的元素有多页    
                printItemPerPage = firstPageItem;
                int leftItems = myListView.Items.Count - firstPageItem;
                if (m_bIsAlwaysPrintHeader == false)
                {
                    printItemPerPage = (m_oBodyRect.Height + m_oHeaderRect.Height + 2 - columnHeaderFontHeight - m_nLineSpace) / (bodyFontHeight + m_nLineSpace);
                }
                if (leftItems % printItemPerPage == 0)
                {
                    m_nPageCount = leftItems / printItemPerPage + 1;
                }
                else {
                    m_nPageCount = leftItems / printItemPerPage + 2;
                }
            }
            m_nTotalPage = m_nPageCount;


            /* 显示打印对话框 */
            PrintDialog pd = new PrintDialog();
            pd.Document = m_oPrintDoc;
            pd.PrinterSettings.MinimumPage = 1;
            pd.PrinterSettings.MaximumPage = m_nPageCount;
            pd.PrinterSettings.FromPage = 1;
            pd.PrinterSettings.ToPage = m_nPageCount;
            pd.AllowPrintToFile = false;      // 不设置打印到文件    
            if (m_nPageCount > 1)
            {
                pd.AllowSelection = true;
            }
            else {
                pd.AllowSelection = false;
            }
            pd.AllowSomePages = true;
            //if (pd.ShowDialog() == DialogResult.OK)
            //{
                m_nPageCount = pd.PrinterSettings.ToPage - pd.PrinterSettings.FromPage + 1;
                if (pd.PrinterSettings.FromPage > 1)
                {
                    m_nCurPrintItem = firstPageItem + (pd.PrinterSettings.FromPage - 2) * printItemPerPage;
                }
                else {
                    m_nCurPrintItem = 0;
                }
                m_nFromPage = pd.PrinterSettings.FromPage;
                m_oPrintDoc.DocumentName = m_nPageCount.ToString();
                m_oPrintDoc.PrinterSettings = pd.PrinterSettings;
                return true;
            //}
            //else {
            //    return false;
            //}
        }

        /// <summary>    
        /// 启动 ListView 的打印工作    
        /// </summary>    
        public virtual void DoPrint()
        {
            if (myListView.Items.Count <= 0)
            {
                //throw new Exception ("没有需要打印的元素.");    
                MessageBox.Show("没有需要打印的元素.", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
                return;
            }

            InitPrintDocument();
            Margins margins = null;

            if (InitPrintPage(out margins) == false)
                return;

            if (InitPrintPageNumber(margins) == false)
                return;

            if (m_bIsPreview == false)
            {
                m_oPrintDoc.Print();
            }
            else {
                PrintPreviewDialog pd = new PrintPreviewDialog();
                pd.Document = m_oPrintDoc;
                pd.PrintPreviewControl.Zoom = 1.0;
                pd.WindowState = FormWindowState.Maximized;
                pd.ShowInTaskbar = true;
                pd.ShowDialog();
            }
        }

        /// <summary>    
        /// 打印页首    
        /// </summary>    
        /// <param name="g"></param>    
        protected virtual void PrintPageHeader(Graphics g)
        {
            RectangleF textRect = new RectangleF(m_oHeaderRect.X, m_oHeaderRect.Y, m_oHeaderRect.Width, m_oHeaderRect.Height - 3);
            CenterText(g, m_sPrintHeaderString, m_oHeaderFont, defaultBrush, textRect);
            g.DrawLine(defaultPen, m_oHeaderRect.X, m_oHeaderRect.Bottom - 2, m_oHeaderRect.Right, m_oHeaderRect.Bottom - 2);
        }

        /// <summary>    
        /// 打印正文    
        /// </summary>    
        /// <param name="g"></param>    
        protected virtual void PrintPageBody(Graphics g)
        {
            Rectangle textRect = m_oBodyRect;
            if (m_bIsAlwaysPrintHeader == false && m_nCurPrintPage != 1)
            {
                textRect = new Rectangle(m_oHeaderRect.X, m_oHeaderRect.Y, m_oHeaderRect.Width, m_oHeaderRect.Height + 2 + m_oBodyRect.Height);
            }

            /* 打印标题,也就是 columnHeader */
            int columnHeaderFontHeight = m_oColumnHeaderFont.Height;
            int bodyFontHeight = m_oBodyFont.Height;
            Rectangle columnHeaderRect = new Rectangle(textRect.X, textRect.Y, textRect.Width, columnHeaderFontHeight + m_nLineSpace);
            DrawColumnHeader(g, m_oColumnHeaderFont, defaultBrush, columnHeaderRect);
            /* 打印元素 */
            int itemHeight = bodyFontHeight + m_nLineSpace;
            Rectangle itemRect;
            int yPos = columnHeaderRect.Bottom;
            int printItemPerPage = (textRect.Height - columnHeaderRect.Height) / (bodyFontHeight + m_nLineSpace);
            for (int i = 0; (i < printItemPerPage) && (m_nCurPrintItem < myListView.Items.Count); i++)
            {
                itemRect = new Rectangle(textRect.X, yPos, textRect.Width, itemHeight);
                DrawItem(g, m_oBodyFont, defaultBrush, itemRect);
                m_nCurPrintItem++;
                yPos += itemHeight;
            }
        }

        /// <summary>    
        /// 打印页尾    
        /// </summary>    
        /// <param name="g"></param>    
        protected virtual void PrintPageTail(Graphics g)
        {
            g.DrawLine(defaultPen, m_oTailRect.X, m_oTailRect.Top + 1, m_oTailRect.Right, m_oTailRect.Top + 1);
            RectangleF textRect = new RectangleF(m_oTailRect.X, m_oTailRect.Y + 3, m_oTailRect.Width, m_oTailRect.Height - 3);
            string text = "第 " + m_nFromPage.ToString() + " 页  共 " + m_nTotalPage.ToString() + " 页";
            m_nFromPage++;
            CenterText(g, text, m_oTailFont, defaultBrush, textRect);
            string time = "打印时间:" + DateTime.Now.ToLongDateString() + "   ";
            RightText(g, time, m_oTailFont, defaultBrush, textRect);
        }

        /// <summary>    
        /// 打印一页    
        /// </summary>    
        /// <param name="sender"></param>    
        /// <param name="e"></param>    
        private void PrintPage(object sender, PrintPageEventArgs e)
        {
            e.Graphics.PageUnit = GraphicsUnit.Inch;
            e.Graphics.PageScale = .01f;
            if (m_bIsAlwaysPrintHeader == true)
            {
                PrintPageHeader(e.Graphics);
            }
            else {
                if (m_nCurPrintPage == 1)
                {
                    PrintPageHeader(e.Graphics);
                }
            }

            PrintPageBody(e.Graphics);
            PrintPageTail(e.Graphics);
            if (m_nCurPrintPage == m_nPageCount)
            {
                e.HasMorePages = false;
            }
            else {
                e.HasMorePages = true;
            }
            m_nCurPrintPage++;
        }

        /// <summary>    
        /// 打印前的初始化设置    
        /// </summary>    
        /// <param name="sender"></param>    
        /// <param name="e"></param>    
        private void BeginPrint(object sender, PrintEventArgs e)
        {
            m_nCurPrintPage = 1;
        }

        /// <summary>    
        /// 打印结束后的资源释放    
        /// </summary>    
        /// <param name="sender"></param>    
        /// <param name="e"></param>    
        private void EndPrint(object sender, PrintEventArgs e)
        {

        }

        /// <summary>    
        /// 居中显示文本信息    
        /// </summary>    
        private void CenterText(Graphics g, string t, Font f, Brush b, RectangleF rect)
        {
            StringFormat sf = new StringFormat();
            sf.Alignment = StringAlignment.Center;
            sf.LineAlignment = StringAlignment.Center;
            g.DrawString(t, f, b, rect, sf);
        }

        /// <summary>    
        /// 居右显示文本信息    
        /// </summary>    
        private void RightText(Graphics g, string t, Font f, Brush b, RectangleF rect)
        {
            StringFormat sf = new StringFormat();
            sf.Alignment = StringAlignment.Far;
            sf.LineAlignment = StringAlignment.Center;
            g.DrawString(t, f, b, rect, sf);
        }

        /// <summary>    
        /// 居左显示文本信息    
        /// </summary>    
        private void LeftText(Graphics g, string t, Font f, Brush b, RectangleF rect)
        {
            StringFormat sf = new StringFormat();
            sf.Alignment = StringAlignment.Near;
            sf.LineAlignment = StringAlignment.Center;
            g.DrawString(t, f, b, rect, sf);
        }

        /// <summary>    
        /// 打印 listview 的 columnheader    
        /// </summary>    
        private void DrawColumnHeader(Graphics g, Font f, Brush b, Rectangle rect)
        {
            StringFormat sf = new StringFormat();
            sf.Alignment = StringAlignment.Center;
            sf.LineAlignment = StringAlignment.Center;
            Rectangle itemRect;
            Point location = new Point(rect.Location.X, rect.Location.Y);
            Size itemSize;
            for (int i = 0; i < myListView.Columns.Count; i++)
            {
                itemSize = new Size(myListView.Columns[i].Width, rect.Height);
                itemRect = new Rectangle(location, itemSize);
                g.DrawRectangle(defaultPen, itemRect);
                g.DrawString(myListView.Columns[i].Text, f, b, itemRect, sf);
                location.X += myListView.Columns[i].Width;
            }
        }

        /// <summary>    
        /// 打印 listview 的 item    
        /// </summary>    
        private void DrawItem(Graphics g, Font f, Brush b, Rectangle rect)
        {
            StringFormat sf = new StringFormat();
            sf.Alignment = StringAlignment.Near;
            sf.LineAlignment = StringAlignment.Center;
            Rectangle itemRect;
            Point location = new Point(rect.Location.X, rect.Location.Y);
            Size itemSize;
            for (int i = 0; i < myListView.Columns.Count; i++)
            {
                itemSize = new Size(myListView.Columns[i].Width, rect.Height);
                itemRect = new Rectangle(location, itemSize);
                g.DrawRectangle(defaultPen, itemRect);
                g.DrawString(myListView.Items[m_nCurPrintItem].SubItems[i].Text, f, b, itemRect, sf);
                location.X += myListView.Columns[i].Width;
            }
        }
    }
}


网上找的PrintListView类,用于打印ListView,网上没有具体的引用方法。我进行了修改,将里面的this,改成了传进来的MYListView对象。打印里,无法弹出PrintDoialog,所以将弹出来的代码注释了,直接打印。

使用方法:




            PrintListView plv = new PrintListView();
            plv.MYListView = lvCallRecord;
            plv.IsPreview = false;
            plv.DoPrint();



网上找的PrintListView类,用于打印ListView,网上没有具体的引用方法。我进行了修改

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原文地址:http://blog.csdn.net/ruanruoshi/article/details/51602395

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