问题描述
我正在尝试使用EPPlus 4.5.3版读取excel文件,我可以使用以下代码来做到这一点:
FileInfo existingFile = new FileInfo(FilePath);
using (ExcelPackage package = new ExcelPackage(existingFile))
{
//get the first worksheet in the workbook
ExcelWorksheet worksheet = package.Workbook.Worksheets[1];
int colCount = worksheet.Dimension.End.Column; //get Column Count
int rowCount = worksheet.Dimension.End.Row; //get row count
for (int row = 1; row <= rowCount; row++)
{
for (int col = 1; col <= colCount; coL++)
{
Console.WriteLine(" Row:" + row + " column:" + col + " Value:" + worksheet.Cells[row,col].Value?.ToString().Trim());
}
}
}
现在,我被卡住的地方是形状。因此,我需要阅读的excel文件中包含形状,这些形状中包含我要阅读的文本。我曾尝试在互联网上搜索此问题,但似乎找不到任何内容。
如何读取此数据?到目前为止,我尝试过的代码:
foreach (var drawing in sheet.Drawings)
{
var type = drawing.GetType();
var data = drawing.ToString();
Console.WriteLine("Drawing Type:" + type + " Data: " + data);
}
解决方法
我今天刚遇到这个问题,并弄清楚了。您必须首先迭代 worksheet .Drawings集合,以确定是否有任何图形是“形状”。据我对Excel VBA的了解,您不能将文本放在必须是形状的图像/图片上。如果我错了,有人可以纠正我。
using (ExcelPackage excelPackage = new ExcelPackage(stream))
{
ExcelWorksheet worksheet = excelPackage.Workbook.Worksheets[1];
foreach (ExcelDrawing dw in worksheet.Drawings)
{
if (dw.GetType().ToString() == "OfficeOpenXml.Drawing.ExcelShape")
{
ExcelShape shape = (ExcelShape)dw;
if (shape.RichText != null && shape.RichText.Count > 0)
{
foreach (ExcelParagraph item in shape.RichText)
{
Console.WriteLine("{0} - Rich Text Line: {1}",dw.Name,item.Text);
}
}
}
else
{ Console.WriteLine("{0} is not a shape,its a {1}",dw.GetType().ToString()); }
}
}
从那里跳来修改图片中的文字应该很容易:
item.RichText[1].Text = "Updated Text";
输出:
Picture 1 is not a shape,its a OfficeOpenXml.Drawing.ExcelPicture
TextBox 1 - Rich Text Line: Inventory List
TextBox 1 - Rich Text Line: Some Company