代码使用
1. 打开文件
Stream fileStream = File.OpenRead(file);
Workbook book = new Workbook();
book.Open(fileStream);
Worksheet sheet = book.Worksheets[0];
2. 读取单元
int row = 1;
int col = 0;
string ID = sheet.Cells[row, col].StringValue;
Picture pic = sheet.ExtractPicture(row, col);