C#导出图片到EXCEL

C#导出图片到EXCEL

2009-07-11 22:50
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这几天在做个项目，将图片导出到EXCEL中，网上找了半天发现有个类，但自己一直不知道如何引用INTER类，结果郁闷了半天，最后自己在VS命令提示符里面自己生成了个EXCEL.DLL文件，然后从新引用，就搞定了，这是最后代码再次发给大家，供大家 参考。

using System;

using System.Collections.Generic;

using System.Text;

using Microsoft.Office.Tools.Excel;

using System.Windows.Forms;

using Excel;

namespace serial_port

{

class InsertPictureToExcel

{

public void Open()

{

this.Open(String.Empty);

}

/// <summary>

/// 功能：实现Excel应用程序的打开

/// </summary>

/// <param name="TemplateFilePath">模板文件物理路径</param>

public void Open(string TemplateFilePath)

{

//打开对象

m_objExcel = new Excel.Application();

m_objExcel.Visible = false;

m_objExcel.DisplayAlerts = false;

if (m_objExcel.Version != "11.0")

{

MessageBox.Show("您的 Excel 版本不是 11.0 （Office 2003），操作可能会出现问题。");

m_objExcel.Quit();

return;

}

m_objBooks = (Excel.Workbooks)m_objExcel.Workbooks;

if (TemplateFilePath.Equals(String.Empty))

{

m_objBook = (Excel._Workbook)(m_objBooks.Add(m_objOpt));

}

else

{

m_objBook=m_objBooks.Open(TemplateFilePath, m_objOpt, m_objOpt, m_objOpt, m_objOpt,m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt);

}

m_objSheets = (Excel.Sheets)m_objBook.Worksheets;

m_objSheet = (Excel._Worksheet)(m_objSheets.get_Item(1));

m_objExcel.WorkbookBeforeClose += new Excel.AppEvents_WorkbookBeforeCloseEventHandler(m_objExcel_WorkbookBeforeClose);

}

private void m_objExcel_WorkbookBeforeClose(Excel.Workbook m_objBooks, ref bool _Cancel)

{

MessageBox.Show("保存完毕！");

}

/// <summary>

/// 将图片插入到指定的单元格位置。

/// 注意：图片必须是绝对物理路径

/// </summary>

/// <param name="RangeName">单元格名称，例如：B4</param>

/// <param name="PicturePath">要插入图片的绝对路径。</param>

public void InsertPicture(string RangeName, string PicturePath)

{

m_objRange = m_objSheet.get_Range(RangeName, m_objOpt);

m_objRange.Select();

Excel.Pictures pics = (Excel.Pictures)m_objSheet.Pictures(m_objOpt);

pics.Insert(PicturePath, m_objOpt);

}

/// <summary>

/// 将图片插入到指定的单元格位置，并设置图片的宽度和高度。

/// 注意：图片必须是绝对物理路径

/// </summary>

/// <param name="RangeName">单元格名称，例如：B4</param>

/// <param name="PicturePath">要插入图片的绝对路径。</param>

/// <param name="PictuteWidth">插入后，图片在Excel中显示的宽度。</param>

/// <param name="PictureHeight">插入后，图片在Excel中显示的高度。</param>

public void InsertPicture(string RangeName, string PicturePath, float PictuteWidth, float PictureHeight)

{

m_objRange = m_objSheet.get_Range(RangeName, m_objOpt);

m_objRange.Select();

float PicLeft, PicTop;

PicLeft = Convert.ToSingle(m_objRange.Left);

PicTop = Convert.ToSingle(m_objRange.Top);

//参数含义：

//图片路径

//是否链接到文件

//图片插入时是否随文档一起保存

//图片在文档中的坐标位置（单位：points）

//图片显示的宽度和高度（单位：points）

//参数详细信息参见：http://msdn2.microsoft.com/zh-cn/library/aa221765(office.11).aspx

m_objSheet.Shapes.AddPicture(PicturePath,Microsoft.Office.Core.MsoTriState.msoFalse, Microsoft.Office.Core.MsoTriState.msoCTrue, PicLeft, PicTop, PictuteWidth, PictureHeight);

}

/// <summary>

/// 将Excel文件保存到指定的目录，目录必须事先存在，文件名称不一定要存在。

/// </summary>

/// <param name="OutputFilePath">要保存成的文件的全路径。</param>

public void SaveFile(string OutputFilePath)

{

m_objBook.SaveAs(OutputFilePath, m_objOpt, m_objOpt,m_objOpt, m_objOpt, m_objOpt, Excel.XlSaveAsAccessMode.xlNoChange,m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt);

this.Close();

}

/// <summary>

/// 关闭应用程序

/// </summary>

private void Close()

{

m_objBook.Close(false, m_objOpt, m_objOpt);

m_objExcel.Quit();

}

/// <summary>

/// 释放所引用的COM对象。注意：这个过程一定要执行。

/// </summary>

public void Dispose()

{

ReleaseObj(m_objSheets);

ReleaseObj(m_objBook);

ReleaseObj(m_objBooks);

ReleaseObj(m_objExcel);

System.GC.Collect();

System.GC.WaitForPendingFinalizers();

}

/// <summary>

/// 释放对象，内部调用

/// </summary>

/// <param name="o"></param>

private void ReleaseObj(object o)

{

try

{

System.Runtime.InteropServices.Marshal.ReleaseComObject(o);

}

catch { }

finally { o = null; }

}

private Excel.Application m_objExcel = null;

private Excel.Workbooks m_objBooks = null;

private Excel._Workbook m_objBook = null;

private Excel.Sheets m_objSheets = null;

private Excel._Worksheet m_objSheet = null;

private Excel.Range m_objRange = null;

private object m_objOpt = System.Reflection.Missing.Value;

}

}