1 using System;
  2 using System.Collections.Generic;
  3 using System.Linq;
  4 using System.Text;
  5 using System.Drawing.Printing;
  6 using System.Windows.Forms;
  7 using System.Drawing;
  8 using Dys.Component;
  9 namespace Bll
 10 {
 11     /// <summary>
 12     /// 打印
 13     /// 开心懒人
 14     /// 2014-10-10
 15     /// </summary>
 16     public class PrintDataGridView
 17     {
 18 
 19         static DataGridView dgv;
 20         static string titleName = ""; //标题名称       
 21         static string titleName2 = ""; //第二标题名称     
 22         static int rowIndex = 0;   //当前行       
 23         static int page = 1; //当前页      
 24         static int rowsPerPage = 0;  //每页显示多少行
 25         /// <summary>
 26         /// 打印DataGridView
 27         /// </summary>
 28         /// <param name="dataGridView">要打印的DataGridView</param>
 29         /// <param name="title">标题</param>
 30         /// <param name="title2">第二标题,可以为null</param>
 31         public static void Print(DataGridView dataGridView, string title, string title2)
 32         {
 33             try
 34             {
 35                 if (dataGridView == null) { return; }
 36                 titleName = title;
 37                 titleName2 = title2;
 38                 dgv = dataGridView;
 39                 PrintPreviewDialog ppvw = new PrintPreviewDialog();
 40                 ppvw.PrintPreviewControl.Zoom = 1.0; //显示比例为100%
 41                 PrintDocument printDoc = new PrintDocument();
 42                 PrintDialog MyDlg = new PrintDialog();
 43                 MyDlg.Document = printDoc;
 44                 printDoc.DefaultPageSettings.PaperSize = new PaperSize("A4", 850, 1000);
 45                 printDoc.DefaultPageSettings.Margins = new Margins(60, 60, 60, 60); //设置边距             
 46                 ppvw.Document = printDoc;   //设置要打印的文档               
 47                 ((Form)ppvw).WindowState = FormWindowState.Maximized; //最大化               
 48                 rowIndex = 0; //当前行              
 49                 page = 1;  //当前页                             
 50                 printDoc.PrintPage += new PrintPageEventHandler(printDoc_PrintPage); //打印事件 
 51                 printDoc.EndPrint += new PrintEventHandler(printDoc_EndPrint);
 52                 ppvw.Document.DefaultPageSettings.Landscape = true;    // 设置打印为横向               
 53                 ppvw.ShowDialog(); //打开预览
 54 
 55             }
 56             catch (Exception ex)
 57             {
 58                 MessageBox.Show(ex.Message, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
 59             }
 60 
 61         }
 62 
 63         static void printDoc_EndPrint(object sender, PrintEventArgs e)
 64         {
 65             rowIndex = 0; //当前行          
 66             page = 1;  //当前页            
 67             rowsPerPage = 0;//每页显示多少行
 68         }
 69         private static void printDoc_PrintPage(object sender, PrintPageEventArgs e)
 70         {
 71 
 72             //标题字体
 73             Font titleFont = new Font("微软雅黑", 16, FontStyle.Bold);
 74             //标题尺寸
 75             SizeF titleSize = e.Graphics.MeasureString(titleName, titleFont, e.MarginBounds.Width);
 76             //x坐标
 77             int x = e.MarginBounds.Left;
 78             //y坐标
 79             int y = Convert.ToInt32(e.MarginBounds.Top - titleSize.Height);
 80             //边距以内纸张宽度
 81             int pagerWidth = e.MarginBounds.Width;
 82             //画标题
 83             e.Graphics.DrawString(titleName, titleFont, Brushes.Black, x + (pagerWidth - titleSize.Width) / 2, y);
 84             y += (int)titleSize.Height;
 85             if (titleName2 != null && titleName2 != "")
 86             {
 87 
 88                 //画第二标题
 89                 e.Graphics.DrawString(titleName2, dgv.Font, Brushes.Black, x + (pagerWidth - titleSize.Width) / 2 + 200, y);
 90                 //第二标题尺寸
 91                 SizeF titleSize2 = e.Graphics.MeasureString(titleName2, dgv.Font, e.MarginBounds.Width);
 92                 y += (int)titleSize2.Height;
 93 
 94             }
 95 
 96             //表头高度
 97             int headerHeight = 0;
 98             //纵轴上 内容与线的距离
 99             int padding = 6;
100             //所有显示列的宽度
101             int columnsWidth = 0;
102             //计算所有显示列的宽度
103             foreach (DataGridViewColumn column in dgv.Columns)
104             {
105 
106                 //隐藏列返回
107                 if (!column.Visible) continue;
108                 //所有显示列的宽度
109                 columnsWidth += column.Width;
110             }
111 
112             //计算表头高度
113             foreach (DataGridViewColumn column in dgv.Columns)
114             {
115 
116                 //列宽
117                 int columnWidth = (int)(Math.Floor((double)column.Width / (double)columnsWidth * (double)pagerWidth));
118                 //表头高度
119                 int temp = (int)e.Graphics.MeasureString(column.HeaderText, column.InheritedStyle.Font, columnWidth).Height + 2 * padding;
120                 if (temp > headerHeight) headerHeight = temp;
121             }
122 
123             //画表头
124 
125             foreach (DataGridViewColumn column in dgv.Columns)
126             {
127 
128                 //隐藏列返回
129                 if (!column.Visible) continue;
130                 //列宽
131                 int columnWidth = (int)(Math.Floor((double)column.Width / (double)columnsWidth * (double)pagerWidth));
132                 //内容居中要加的宽度
133                 float cenderWidth = (columnWidth - e.Graphics.MeasureString(column.HeaderText, column.InheritedStyle.Font, columnWidth).Width) / 2;
134                 if (cenderWidth < 0) cenderWidth = 0;
135                 //内容居中要加的高度
136                 float cenderHeight = (headerHeight + padding - e.Graphics.MeasureString(column.HeaderText, column.InheritedStyle.Font, columnWidth).Height) / 2;
137                 if (cenderHeight < 0) cenderHeight = 0;
138                 //画背景
139                 e.Graphics.FillRectangle(new SolidBrush(Color.LightGray), new Rectangle(x, y, columnWidth, headerHeight));
140                 //画边框
141                 e.Graphics.DrawRectangle(Pens.Black, new Rectangle(x, y, columnWidth, headerHeight));
142                 ////画上边线
143 
144                 //e.Graphics.DrawLine(Pens.Black, x, y, x + columnWidth, y);
145 
146                 ////画下边线
147 
148                 //e.Graphics.DrawLine(Pens.Black, x, y + headerHeight, x + columnWidth, y + headerHeight);
149 
150                 ////画右边线
151 
152                 //e.Graphics.DrawLine(Pens.Black, x + columnWidth, y, x + columnWidth, y + headerHeight);
153 
154                 //if (x == e.MarginBounds.Left)
155 
156                 //{
157 
158                 //    //画左边线
159 
160                 //    e.Graphics.DrawLine(Pens.Black, x, y, x, y + headerHeight);
161 
162                 //}
163 
164                 //画内容
165                 e.Graphics.DrawString(column.HeaderText, column.InheritedStyle.Font, new SolidBrush(column.InheritedStyle.ForeColor), new RectangleF(x + cenderWidth, y + cenderHeight, columnWidth, headerHeight));
166                 x += columnWidth;
167 
168             }
169 
170             x = e.MarginBounds.Left;
171             y += headerHeight;
172             while (rowIndex < dgv.Rows.Count)
173             {
174 
175                 DataGridViewRow row = dgv.Rows[rowIndex];
176                 if (row.Visible)
177                 {
178 
179                     int rowHeight = 0;
180                     foreach (DataGridViewCell cell in row.Cells)
181                     {
182 
183                         DataGridViewColumn column = dgv.Columns[cell.ColumnIndex];
184                         if (!column.Visible || cell.Value == null) continue;
185                         int tmpWidth = (int)(Math.Floor((double)column.Width / (double)columnsWidth * (double)pagerWidth));
186                         int temp = (int)e.Graphics.MeasureString(cell.Value.ToString(), column.InheritedStyle.Font, tmpWidth).Height + 2 * padding;
187                         if (temp > rowHeight) rowHeight = temp;
188                     }
189 
190                     foreach (DataGridViewCell cell in row.Cells)
191                     {
192 
193                         DataGridViewColumn column = dgv.Columns[cell.ColumnIndex];
194                         if (!column.Visible) continue;
195                         int columnWidth = (int)(Math.Floor((double)column.Width / (double)columnsWidth * (double)pagerWidth));
196                         e.Graphics.DrawRectangle(Pens.Black, new Rectangle(x, y, columnWidth, rowHeight));
197 
198                         if (cell.Value != null)
199                         {
200 
201                             //内容居中要加的宽度
202 
203                             float cenderWidth = (columnWidth - e.Graphics.MeasureString(cell.Value.ToString(), cell.InheritedStyle.Font, columnWidth).Width) / 2;
204 
205                             if (cenderWidth < 0) cenderWidth = 0;
206 
207                             //内容居中要加的高度
208 
209                             float cenderHeight = (rowHeight + padding - e.Graphics.MeasureString(cell.Value.ToString(), cell.InheritedStyle.Font, columnWidth).Height) / 2;
210 
211                             if (cenderHeight < 0) cenderHeight = 0;
212 
213                             ////画下边线
214 
215                             //e.Graphics.DrawLine(Pens.Black, x, y + rowHeight, x + columnWidth, y + rowHeight);
216 
217                             ////画右边线
218 
219                             //e.Graphics.DrawLine(Pens.Black, x + columnWidth, y, x + columnWidth, y + rowHeight);
220 
221                             //if (x == e.MarginBounds.Left)
222 
223                             //{
224 
225                             //    //画左边线
226 
227                             //    e.Graphics.DrawLine(Pens.Black, x, y, x, y + rowHeight);
228 
229                             //}
230 
231                             //画内容
232 
233                             e.Graphics.DrawString(cell.Value.ToString(), column.InheritedStyle.Font, new SolidBrush(cell.InheritedStyle.ForeColor), new RectangleF(x + cenderWidth, y + cenderHeight, columnWidth, rowHeight));
234 
235                         }
236 
237                         x += columnWidth;
238 
239                     }
240 
241                     x = e.MarginBounds.Left;
242 
243                     y += rowHeight;
244 
245                     if (page == 1) rowsPerPage++;
246 
247                     //打印下一页
248 
249                     if (y + rowHeight > e.MarginBounds.Bottom)
250                     {
251 
252                         e.HasMorePages = true;
253 
254                         break;
255 
256                     }
257 
258                 }
259 
260                 rowIndex++;
261 
262             }
263 
264             //页脚
265             string footer = " 第 " + page + " 页，共 " + Math.Ceiling(((double)dgv.Rows.Count / rowsPerPage)).ToString() + " 页";
266             //画页脚
267             e.Graphics.DrawString(footer, dgv.Font, Brushes.Black, x + (pagerWidth - e.Graphics.MeasureString(footer, dgv.Font).Width) / 2, e.MarginBounds.Bottom);
268             page++;
269 
270         }
271 
272 
273     }
274 
275 }