public void ExportListTest()
        {
            var players = new List <Player>();
            var img     = Path.Combine(testFolder, "123.jpg");

            for (int i = 0; i < 1000; i++)
            {
                players.Add(new Player
                {
                    Id        = 1,
                    Birthday  = DateTime.Now,
                    Comments  = "",
                    PlayerImg = File.ReadAllBytes(img)
                });
            }

            ExcelTemplate template = new ExcelTemplate
            {
                Columns = new List <ExcelTemplateColumn>
                {
                    new ExcelTemplateColumn {
                        ColumnName  = "Id",
                        ColumnTitle = "Id",
                    },
                    new ExcelTemplateColumn {
                        ColumnName  = "Birthday",
                        ColumnTitle = "生日",
                        Width       = 20
                    },
                    new ExcelTemplateColumn {
                        ColumnName  = "Comments",
                        ColumnTitle = "注释",
                    },
                    new ExcelTemplateColumn {
                        ColumnName  = "PlayerImg",
                        ColumnTitle = "图片",
                        Format      = PictureType.JPEG.ToString(),
                        //Height = 50,
                        Width = 10
                    },
                },
                TemplateID   = "Player",
                TemplateName = "M1"
            };

            string    file     = Path.Combine(testFolder, "123.xlsx");
            IWorkbook workbook = new XSSFWorkbook(); //WorkbookFactory.Create();
            ISheet    sheet    = workbook.CreateSheet("Test");

            NpoiHelper.ExportList(players, sheet, template);

            //保存为Excel文件
            using (FileStream fs = new FileStream(file, FileMode.Create, FileAccess.Write))
            {
                workbook.Write(fs);
            }

            //Assert.Fail();
        }