C# Execl图片插入
using System;
using Microsoft.Office.Interop.Excel;
using Microsoft.Office.Core;
/**//// <summary>
///ExeclInsertPicture 的摘要说明
/// </summary>
public class ExeclInsertPicture
{
private Microsoft.Office.Interop.Excel.Application m_objExcel = null;
private Microsoft.Office.Interop.Excel.Workbooks m_objBooks = null;
private Microsoft.Office.Interop.Excel._Workbook m_objBook = null;
private Microsoft.Office.Interop.Excel.Sheets m_objSheets = null;
private Microsoft.Office.Interop.Excel._Worksheet m_objSheet = null;
private Microsoft.Office.Interop.Excel.Range m_objRange = null;
private object m_objOpt = System.Reflection.Missing.Value;
public ExeclInsertPicture()
{
//
//TODO: 在此处添加构造函数逻辑
//
}
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 Microsoft.Office.Interop.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 = (Microsoft.Office.Interop.Excel.Workbooks)m_objExcel.Workbooks;
if (TemplateFilePath.Equals(String.Empty))
{
m_objBook = (Microsoft.Office.Interop.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 = (Microsoft.Office.Interop.Excel.Sheets)m_objBook.Worksheets;
m_objSheet = (Microsoft.Office.Interop.Excel._Worksheet)(m_objSheets.get_Item(1));
m_objExcel.WorkbookBeforeClose += new Microsoft.Office.Interop.Excel.AppEvents_WorkbookBeforeCloseEventHandler(m_objExcel_WorkbookBeforeClose);
}
private void m_objExcel_WorkbookBeforeClose(Microsoft.Office.Interop.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();
Microsoft.Office.Interop.Excel.Pictures pics = (Microsoft.Office.Interop.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> 网管论坛bbs_bitsCN_com
/// <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 中国网管联盟bitsCN.com
//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.msoTrue, 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, Microsoft.Office.Interop.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; }
}
}
调用方法
ExeclInsertPicture ipt = new ExeclInsertPicture();
ipt.Open();
ipt.InsertPicture("B2", @"C:\d52559282.jpg");//“B2”表示图片对起B2单元格，但是图片大小不能自适应单元格的大小，需要用下面语句调整图片大小
ipt.InsertPicture("B8", @"C:\d52559282.jpg", 120, 80);
ipt.SaveFile(@"C:\ExcelTest.xls");
ipt.Dispose();//此句必须，否则EXECL.dll不会立即释放
