话不多说，解释在代码注释中…… class PrintClass{ #region 全局变量 private DataGridView datagrid;//需要打印的数据来源 private PageSetupDialog pagesetupdialog; private PrintPreviewDialog printpreviewdialog; int cur
话不多说，解释在代码注释中……
class PrintClass
{
#region 全局变量
private DataGridView datagrid;//需要打印的数据来源
private PageSetupDialog pagesetupdialog;
private PrintPreviewDialog printpreviewdialog;
int currentpageindex = 0;//当前页的编号
int rowcount = 0;//数据的行数
public Size PaperSize = new Size(827, 1169);//答应的纸张大小
public int headerheight = 30;//标题高度
Margins margins = new Margins(50, 60, 50, 80);
public int celltopmargin = 6;//单元格顶边距
public int pagerowcount = 7;//每页行数
public int rowgap = 23;//行高
public int colgap = 5;//每列间隔
public Font headerfont = new Font("Arial", 9, FontStyle.Bold);//列名标题字体
public Brush brushHeaderFont = new SolidBrush(Color.Black);//列名字体画刷
public Font Cellfont = new Font("Arial", 9);//单元格字体
public bool isautopagerowcount = true;//是否自动计算行数
public bool PageAspect = false;//打印的方向
public static bool PageScape = false;//打印方向
public string paperName = string.Empty;
#endregion
#region 打印信息的初始化
/// <summary>
/// 打印信息的初始化
/// </summary>
/// <param datagrid="DataGridView">打印数据</param>
/// <param PageS="int">纸张大小</param>
/// <param lendscape="bool">是否横向打印</param>
public PrintClass(DataGridView datagrid, string paperName, bool lendscape)
{
this.datagrid = datagrid;//获取打印数据
this.paperName = paperName;
PrintDocument printdocument = new PrintDocument();//实例化PrintDocument类
printpreviewdialog = new PrintPreviewDialog();//实例化PrintPreviewDialog类
printpreviewdialog.Document = printdocument;//获取预览文档的信息
printpreviewdialog.FormBorderStyle = FormBorderStyle.Fixed3D;//设置窗体的边框样式
//横向打印的设置
if (!string.IsNullOrEmpty(paperName) )
{
if (lendscape == true)
{
printdocument.DefaultPageSettings.Landscape = lendscape;//横向打印
}
else
{
printdocument.DefaultPageSettings.Landscape = lendscape;//纵向打印
}
}
pagesetupdialog = new PageSetupDialog();//实例化PageSetupDialog类
pagesetupdialog.Document = printdocument;//获取当前页的设置
printdocument.PrintPage += new PrintPageEventHandler(this.printdocument_printpage);//事件的重载
}
#endregion
#region 页的打印事件
/// <summary>
/// 页的打印事件(主要用于绘制打印报表)
/// </summary>
private void printdocument_printpage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
{
if (this.isautopagerowcount)//自动计算页的行数
{
double countHeight = e.PageBounds.Height - this.margins.Top - this.headerfont.Height - this.headerheight - this.margins.Bottom;
pagerowcount = (int)Math.Ceiling(countHeight / this.rowgap);//获取每页的行数
}
int pagecount = (int)(rowcount / pagerowcount);//获取打印多少页
pagesetupdialog.AllowOrientation = true;//启动打印页面对话框的方向部分
int colcount = 0;//记录数据的列数
int y = margins.Top;//获取表格的顶边距
string cellvalue = "";//记录文本信息（单元格的文本信息）
int startrow = currentpageindex * pagerowcount;//设置打印的初始页数
int endrow = startrow + this.pagerowcount < rowcount ? startrow + pagerowcount : rowcount;//设置打印的最大页数
int currentpagerowcount = endrow - startrow;//获取打印页数
colcount = datagrid.ColumnCount;//获取打印数据的列数
int x = margins.Left;//获取表格的左边距 绘画时的x轴位置
//获取报表的宽度
int cwidth = 0;
for (int j = 0; j < colcount; j++)//循环数据的列数
{
if (datagrid.Columns[j].Width > 0)//如果列的宽大于０
{
cwidth += datagrid.Columns[j].Width + colgap;//累加每列的宽度
}
}
y += rowgap;//设置表格的上边线的位置
//设置标题栏中的文字
for (int j = 0; j < colcount; j++)//遍历列数据
{
int colwidth = datagrid.Columns[j].Width;//获取列的宽度
if (colwidth > 0)//如果列的宽度大于0
{
cellvalue = datagrid.Columns[j].HeaderText;//获取列标题
//绘制标题栏文字
e.Graphics.DrawString(cellvalue, headerfont, brushHeaderFont, x, y + celltopmargin);//绘制列标题
x += colwidth + colgap;//横向，下一个单元格的位置
int nnp = y + currentpagerowcount * rowgap + this.headerheight;//下一行线的位置
}
}
//打印所有的行信息
for (int i = startrow; i < endrow; i++) //对行进行循环
{
x = margins.Left; //获取线的Ｘ坐标点
for (int j = 0; j < colcount; j++)//对列进行循环
{
if (datagrid.Columns[j].Width > 0)//如果列的宽度大于0
{
cellvalue = datagrid.Rows[i].Cells[j].Value.ToString();//获取单元格的值
e.Graphics.DrawString(cellvalue, Cellfont, brushHeaderFont, x, y + celltopmargin+rowgap);//绘制单元格信息
x += datagrid.Columns[j].Width + colgap;//单元格信息的X坐标
y = y + rowgap * (cellvalue.Split(new char[] { '\r', '\n' }).Length - 1);//单元格信息的Y坐标
}
}
y += rowgap;//设置下行的位置
}
currentpageindex++;//下一页的页码
if (currentpageindex < pagecount)//如果当前页不是最后一页
{
e.HasMorePages = true;//打印副页
}
else
{
e.HasMorePages = false;//不打印副页
this.currentpageindex = 0;//当前打印的页编号设为0
}
}
#endregion
#region 显示打印预览窗体
/// <summary>
/// 显示打印预览窗体
/// </summary>
public void print()
{
rowcount = 0;//记录数据的行数
PageSettings storePageSetting = new PageSettings();//实列化一个对PageSettings对象
PrintDocument printdocument = pagesetupdialog.Document;
foreach (PaperSize ps in printdocument.PrinterSettings.PaperSizes)//查找当前设置纸张
{
if (paperName == ps.PaperName)//如果找到当前纸张的名称
{
printdocument.DefaultPageSettings.PaperSize = ps;//获取当前纸张的信息
}
}
if (datagrid.DataSource is System.Data.DataTable)//判断数据类型
{
rowcount = ((DataTable)datagrid.DataSource).Rows.Count;//获取数据的行数
}
else if (datagrid.DataSource is System.Collections.ArrayList)//判断数据类型
{
rowcount = ((ArrayList)datagrid.DataSource).Count;//获取数据的行数
}
try
{
printdocument.DefaultPageSettings.Landscape = PageScape;//设置横向打印
printpreviewdialog.ShowDialog();//显示打印预览窗体
}
catch (Exception e)
{
throw new Exception("printer error." + e.Message);
}
}
#endregion
}
创建一个打印窗体
设计页面代码：
/// <summary>
/// 设计器支持所需的方法 - 不要
/// 使用代码编辑器修改此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.dataGridView1 = new System.Windows.Forms.DataGridView();
this.groupBox1 = new System.Windows.Forms.GroupBox();
this.label8 = new System.Windows.Forms.Label();
this.comboBox_PageSize = new System.Windows.Forms.ComboBox();
this.button_Preview = new System.Windows.Forms.Button();
this.checkBox_Aspect = new System.Windows.Forms.CheckBox();
this.panel_Line = new System.Windows.Forms.Panel();
((System.ComponentModel.ISupportInitialize)(this.dataGridView1)).BeginInit();
this.groupBox1.SuspendLayout();
this.SuspendLayout();
//
// dataGridView1
//
this.dataGridView1.AllowUserToOrderColumns = true;
this.dataGridView1.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
this.dataGridView1.Location = new System.Drawing.Point(3, 4);
this.dataGridView1.Name = "dataGridView1";
this.dataGridView1.RowTemplate.Height = 23;
this.dataGridView1.Size = new System.Drawing.Size(1079, 578);
this.dataGridView1.TabIndex = 0;
//
// groupBox1
//
this.groupBox1.Controls.Add(this.label8);
this.groupBox1.Controls.Add(this.comboBox_PageSize);
this.groupBox1.Controls.Add(this.button_Preview);
this.groupBox1.Controls.Add(this.checkBox_Aspect);
this.groupBox1.Controls.Add(this.panel_Line);
this.groupBox1.Location = new System.Drawing.Point(1088, 4);
this.groupBox1.Name = "groupBox1";
this.groupBox1.Size = new System.Drawing.Size(144, 287);
this.groupBox1.TabIndex = 1;
this.groupBox1.TabStop = false;
this.groupBox1.Text = "打印设置";
//
// label8
//
this.label8.AutoSize = true;
this.label8.Location = new System.Drawing.Point(2, 232);
this.label8.Name = "label8";
this.label8.Size = new System.Drawing.Size(65, 12);
this.label8.TabIndex = 19;
this.label8.Text = "纸张大小：";
//
// comboBox_PageSize
//
this.comboBox_PageSize.FormattingEnabled = true;
this.comboBox_PageSize.Items.AddRange(new object[] {
"A4",
"A5",
"A6",
"B5 (JIS)",
"B5",
"16K"});
this.comboBox_PageSize.Location = new System.Drawing.Point(67, 229);
this.comboBox_PageSize.Name = "comboBox_PageSize";
this.comboBox_PageSize.Size = new System.Drawing.Size(71, 20);
this.comboBox_PageSize.TabIndex = 18;
//
// button_Preview
//
this.button_Preview.Location = new System.Drawing.Point(34, 254);
this.button_Preview.Name = "button_Preview";
this.button_Preview.Size = new System.Drawing.Size(70, 23);
this.button_Preview.TabIndex = 17;
this.button_Preview.Text = "打印预览";
this.button_Preview.UseVisualStyleBackColor = true;
this.button_Preview.Click += new System.EventHandler(this.button_Preview_Click);
//
// checkBox_Aspect
//
this.checkBox_Aspect.AutoSize = true;
this.checkBox_Aspect.Location = new System.Drawing.Point(34, 211);
this.checkBox_Aspect.Name = "checkBox_Aspect";
this.checkBox_Aspect.Size = new System.Drawing.Size(72, 16);
this.checkBox_Aspect.TabIndex = 15;
this.checkBox_Aspect.Text = "横向打印";
this.checkBox_Aspect.UseVisualStyleBackColor = true;
this.checkBox_Aspect.MouseDown += new System.Windows.Forms.MouseEventHandler(this.checkBox_Aspect_MouseDown);
//
// panel_Line
//
this.panel_Line.BackColor = System.Drawing.SystemColors.ButtonHighlight;
this.panel_Line.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
this.panel_Line.Location = new System.Drawing.Point(23, 74);
this.panel_Line.Name = "panel_Line";
this.panel_Line.Size = new System.Drawing.Size(100, 116);
this.panel_Line.TabIndex = 6;
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(1234, 594);
this.Controls.Add(this.groupBox1);
this.Controls.Add(this.dataGridView1);
this.MaximizeBox = false;
this.Name = "Form1";
this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
this.Text = "自定义横向或纵向打印";
this.Activated += new System.EventHandler(this.Form1_Activated);
this.Load += new System.EventHandler(this.Form1_Load);
((System.ComponentModel.ISupportInitialize)(this.dataGridView1)).EndInit();
this.groupBox1.ResumeLayout(false);
this.groupBox1.PerformLayout();
this.ResumeLayout(false);
}
操作代码：
public bool Aspect = true;//打印方向
public bool boundary = false;//是否打印分割线
private void Form1_Activated(object sender, EventArgs e)
{
//在窗体中绘制一个预览表格
Graphics g = panel_Line.CreateGraphics();
int paneW = panel_Line.Width;//设置表格的宽度
int paneH = panel_Line.Height;//设置表格的高度
g.DrawRectangle(new Pen(Color.WhiteSmoke, paneW), 0, 0, paneW, paneH);//绘制一个矩形
}
private void Form1_Load(object sender, EventArgs e)
{
comboBox_PageSize.SelectedIndex = 0;
OleDbConnection oledbCon = new OleDbConnection(" Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\\Users\\Lenovo\\Desktop\\SnapShot.mdb;");
OleDbDataAdapter oledbDa = new OleDbDataAdapter("select * from RegionInfo", oledbCon);
DataSet myds = new DataSet();
oledbDa.Fill(myds);
dataGridView1.DataSource = myds.Tables[0];
}
private void checkBox_Aspect_MouseDown(object sender, MouseEventArgs e)
{
//改变窗体中预览表格的方向
int aspX = 0;//宽度
int aspY = 0;//高度
if (((CheckBox)sender).Checked == false)//如果不是纵向打印
{
aspX = 136;//设置大小
aspY = 98;
PrintClass.PageScape = true;//横向打印
}
else
{
aspX = 100;//设置大小
aspY = 116;
PrintClass.PageScape = false;//纵向打印
}
panel_Line.Width = aspX;//设置控件的宽度
panel_Line.Height = aspY;//设置控件的高度
aspX = (int)((groupBox1.Width - aspX) / 2);//设置控件的Top
panel_Line.Location = new Point(aspX, 90);//设置控件的位置
Form1_Activated(sender, e);//设用Activated事件
}
private void button_Preview_Click(object sender, EventArgs e)
{
//对打印信息进行设置
PrintClass dgp = new PrintClass(this.dataGridView1, comboBox_PageSize.Text, checkBox_Aspect.Checked);
MSetUp(dgp);//记录窗体中打印信息的相关设置
string[] header = new string[dataGridView1.ColumnCount];//创建一个与数据列相等的字符串数组
for (int p = 0; p < dataGridView1.ColumnCount; p++)//记录所有列标题的名列
{
header[p] = dataGridView1.Columns[p].HeaderCell.Value.ToString();
}
dgp.print();//显示打印预览窗体
}
#region 设置打印数据的相关信息
/// <summary>
/// 设置打印数据的相关信息
/// </summary>
/// <param dgp="PrintClass">公共类PrintClass</param>
private void MSetUp(PrintClass dgp)
{
dgp.PageAspect = Aspect;//设置横向打印
}
#endregion
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