添加图像超链接
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超链接对于访问其他工作表或网站上的信息非常有用。Microsoft Excel允许用户在单元格中的文本和图像上添加超链接。图像超链接可以使工作表的导航更加方便,例如作为下一个和上一个按钮,或者链接到特定网站的标志。本文档说明了如何使用Aspose.Cells在工作表中插入图像超链接。
Aspose.Cells允许您在运行时向电子表格中的图像添加超链接。可以设置和修改链接的屏幕提示和地址。以下示例代码说明了如何向工作表中添加图像超链接。
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// For complete examples and data files, please go to https://github.com/aspose-cells/Aspose.Cells-for-.NET | |
// The path to the documents directory. | |
string dataDir = RunExamples.GetDataDir(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType); | |
// Create directory if it is not already present. | |
bool IsExists = System.IO.Directory.Exists(dataDir); | |
if (!IsExists) | |
System.IO.Directory.CreateDirectory(dataDir); | |
// Instantiate a new workbook | |
Workbook workbook = new Workbook(); | |
// Get the first worksheet | |
Worksheet worksheet = workbook.Worksheets[0]; | |
// Insert a string value to a cell | |
worksheet.Cells["C2"].PutValue("Image Hyperlink"); | |
// Set the 4th row height | |
worksheet.Cells.SetRowHeight(3, 100); | |
// Set the C column width | |
worksheet.Cells.SetColumnWidth(2, 21); | |
// Add a picture to the C4 cell | |
int index = worksheet.Pictures.Add(3, 2, 4, 3, dataDir+ "aspose-logo.jpg"); | |
// Get the picture object | |
Aspose.Cells.Drawing.Picture pic = worksheet.Pictures[index]; | |
// Set the placement type | |
pic.Placement = PlacementType.FreeFloating; | |
// Add an image hyperlink | |
Aspose.Cells.Hyperlink hlink = pic.AddHyperlink("http://www.aspose.com/"); | |
// Specify the screen tip | |
hlink.ScreenTip = "Click to go to Aspose site"; | |
dataDir = dataDir + "ImageHyperlink.out.xls"; | |
// Save the Excel file | |
workbook.Save(dataDir); |