using System; using System.Collections.Generic; using System.Linq; using System.Threading.Tasks; using Microsoft.AspNetCore.Http; using Microsoft.AspNetCore.Mvc; using Microsoft.EntityFrameworkCore; using Parking_space_WebAPI.Models; using Parking_space_WebAPI.Services; using Parking_space_WebAPI.ViewModel; using Parking_space_WebAPI.Authorization; using OfficeOpenXml; using System.Web; namespace Parking_space_WebAPI.Controllers { [Route("api/[controller]")] [ApiController] [Authorize] [ApiExplorerSettings(GroupName = "校園大內網")] public class Yuntech_in_car_tableController : ControllerBase { private readonly SqlContext _context; public Yuntech_in_car_tableController(SqlContext context) { _context = context; } #region 獲取進入雲科的所有資料 /// /// 獲取進入雲科的所有資料 /// // GET: api/Yuntech_in_car_table [HttpGet] public async Task>> Getyuntech_in_car_table() { var in_car_table = await (from c in _context.yuntech_in_car_table orderby c.in_time descending select new Yuntech_in_car_table { license_plate_number = c.license_plate_number, in_time = c.in_time, out_time = c.out_time, location = c.location, out_location=c.out_location, } ).ToListAsync(); return in_car_table; } #endregion #region 獲取進入雲科的100筆資料 /// /// 獲取進入雲科的100筆資料 /// // GET: api/Yuntech_in_car_table [HttpGet("Amount-{num}")] public async Task>> Getyuntech_in_car_100_table(int num) { var in_car_table = await (from c in _context.yuntech_in_car_table orderby c.in_time descending select new Yuntech_in_car_table { license_plate_number = c.license_plate_number, in_time = c.in_time, out_time = c.out_time, location = c.location, out_location = c.out_location, } ).Skip(num).Take(100).ToListAsync(); return in_car_table; } #endregion #region 獲取進入的單獨地區的所有資料 /// /// 獲取進入的單獨地區的所有資料 /// /// 哪個門口 /// // GET: api/Yuntech_in_car_table/5 [HttpGet("location-{id}")] public async Task> GetYuntech_in_car_table(string id) { var in_car_table = await (from c in _context.yuntech_in_car_table where c.location == id orderby c.in_time descending select new Yuntech_in_car_table { license_plate_number = c.license_plate_number, in_time = c.in_time, out_time = c.out_time, location = c.location, out_location = c.out_location, }).Skip(0).Take(500).ToListAsync(); return in_car_table; } #endregion #region 獲取時間內的車輛 /// /// 獲取時間內的車輛 /// /// 位置名稱 /// 起始時間 /// 結束時間 /// [HttpGet("location_name_1_-{id}-start_time-{start_time}-end_time-{end_time}")] public async Task> GetYuntech_in_car_table_date(string id, DateTime start_time, DateTime end_time) { var in_car_table = await (from c in _context.yuntech_in_car_table where c.location == id where c.in_time >= start_time where c.in_time <= end_time orderby c.in_time descending // 按進入時間降序排列 select new Yuntech_in_car_table { license_plate_number = c.license_plate_number, in_time = c.in_time, out_time = c.out_time, location = c.location, out_location = c.out_location, }).ToListAsync(); return in_car_table; } #endregion #region 透過車牌號碼搜尋所有資料 /// /// 透過車牌號碼搜尋所有資料 /// /// 車牌號碼 ex:ABC4321 /// [HttpGet("license_plate_number-{id}")] public async Task> Getlicense_plate_number(string id) { var in_car_table = await (from c in _context.yuntech_in_car_table where c.license_plate_number == id orderby c.in_time descending select new Yuntech_in_car_table { license_plate_number = c.license_plate_number, in_time = c.in_time, out_time = c.out_time, location = c.location, out_location = c.out_location, }).ToListAsync(); return in_car_table; } #endregion #region 獲取進入的單獨地區的單筆資料 /// /// 獲取進入的單獨地區的單筆資料 /// /// 地區 /// 進入時間 ex:2024-02-05T12:21:48.395Z /// // GET: api/Yuntech_in_car_table/5 [HttpGet("location_name-{id}-time-{time}")] public async Task> One_data(string id, DateTime time) { var in_car_table = await (from c in _context.yuntech_in_car_table where c.location == id where c.in_time == time select new Yuntech_in_car_table { license_plate_number = c.license_plate_number, in_time = c.in_time, out_time = c.out_time, car_img = c.car_img, location = c.location, out_car_img = c.out_car_img, out_location= c.out_location, }).FirstAsync(); return in_car_table; } #endregion #region 尋找規定時間內每日進入人數 /// /// 尋找規定時間內每日進入人數 /// /// [HttpGet("get_day_in_car-{day}")] public async Task> Getdayvalue(int day) { // 取得今日日期 DateTime today = DateTime.Today; // 取得 30 天前的日期 DateTime DaysAgo = today.AddDays(-day); var dateValue = new List(); // 使用 for 迴圈逐日計算次數 for (int i = 1; i <= day; i++) { DateTime date_1 = DaysAgo; date_1 = date_1.AddDays(i); DateTime date_2 = DaysAgo; date_2 = date_2.AddDays(i + 1); var dailyCount = await _context.yuntech_in_car_table .Where(c => c.in_time >= date_1.Date) // 只選擇指定日期的資料 .Where(c => c.in_time <= date_2.Date) // 只選擇指定日期的資料 .CountAsync(); // 計算該日期的次數 dateValue.Add(new { Date = date_1, Occurrences = dailyCount }); } return dateValue; } #endregion #region 尋找所有進入校園的地點 /// ///尋找所有進出校園的地點 /// /// [HttpGet("location_name")] public async Task> Get_in_Yuntech_location_name() { var location_name_table = await _context.yuntech_in_car_table .GroupBy(c => new { c.location }) .Select(group => new { location_name = group.Key.location, // 取得進入地點 }) .ToListAsync(); return location_name_table; } #endregion #region 尋找所有離開校園的地點 /// ///尋找所有離開校園的地點 /// /// [HttpGet("out_location_name")] public async Task> Get_out_Yuntech_location_name() { var out_location_name_table = await _context.yuntech_in_car_table .GroupBy(c => new { c.out_location }) .Select(group => new { out_location_name = group.Key.out_location // 取得離開地點 }) .ToListAsync(); return out_location_name_table; } #endregion #region 新增資料 /// /// 新增進入雲科的車輛資料 /// /// /// // POST: api/Yuntech_in_car_table // To protect from overposting attacks, see https://go.microsoft.com/fwlink/?linkid=2123754 [HttpPost] public async Task> PostYuntech_in_car_table(Yuntech_in_car_table yuntech_in_car_table) { if (_context.yuntech_in_car_table == null) { return Problem("Entity set 'SqlContext.yuntech_in_car_table' is null."); } try { //比對1分鐘內有無重複記錄到 DateTime now_time = DateTime.Now; // 取得 59秒前的時間 DateTime time_59s_ago = now_time.AddSeconds(-59); var in_car_data = await (from c in _context.yuntech_in_car_table where c.license_plate_number == yuntech_in_car_table.license_plate_number where c.out_time == null orderby c.in_time descending select c).FirstOrDefaultAsync(); if (in_car_data != null && in_car_data.in_time > time_59s_ago) { return Ok(); } //比對30秒內出去與進入的時間對比 //取得30秒前的時間 DateTime time_30s_ago = now_time.AddSeconds(-30); var out_car_data = await (from c in _context.yuntech_in_car_table where c.license_plate_number == yuntech_in_car_table.license_plate_number orderby c.out_time descending select c).FirstOrDefaultAsync(); if (out_car_data != null && out_car_data.out_time > time_30s_ago) { return Ok(out_car_data); } // 新增資料 yuntech_in_car_table.in_time = DateTime.Now; yuntech_in_car_table.out_time = null; _context.yuntech_in_car_table.Add(yuntech_in_car_table); await _context.SaveChangesAsync(); // 車位數量-1 var yuntech_parking = await _context.yuntech_parking.FirstOrDefaultAsync(); if (yuntech_parking != null) { string now_num_str = yuntech_parking.now_num; int now_num_int; Int32.TryParse(now_num_str, out now_num_int); now_num_int = now_num_int - 1; now_num_str=now_num_int.ToString(); yuntech_parking.now_num = now_num_str; // 保存更改 await _context.SaveChangesAsync(); } //判斷月租臨停車輛 +1 // 與名單比對車牌號碼 var in_list_data = await _context.yuntech_parking_user_list .FirstOrDefaultAsync(user => user.user_license_plate_number == yuntech_in_car_table.license_plate_number); // 車牌號碼相同,更新月租車位數量 if (in_list_data != null) { var monthly_rent_data_1 = await _context.yuntech_monthly_rent_number .FirstOrDefaultAsync(rent => rent.category == "月租"); if (monthly_rent_data_1 != null) { int now_number; Int32.TryParse(monthly_rent_data_1.number, out now_number); now_number = now_number + 1; monthly_rent_data_1.number = now_number.ToString(); // 保存更改 await _context.SaveChangesAsync(); } } else { var monthly_rent_data_2 = await _context.yuntech_monthly_rent_number .FirstOrDefaultAsync(rent => rent.category == "臨停"); if (monthly_rent_data_2 != null) { int now_number; Int32.TryParse(monthly_rent_data_2.number, out now_number); now_number = now_number + 1; monthly_rent_data_2.number = now_number.ToString(); // 保存更改 await _context.SaveChangesAsync(); } } } catch (DbUpdateException) { if (Yuntech_in_car_tableExists(yuntech_in_car_table.in_time)) { return Conflict(); } else { throw; } } return CreatedAtAction("GetYuntech_in_car_table", new { id = yuntech_in_car_table.in_time }, yuntech_in_car_table); } #endregion #region City_parking 新增進入資料 /// /// City_parking 新增進入資料 /// /// /// // POST: api/Yuntech_in_car_table // To protect from overposting attacks, see https://go.microsoft.com/fwlink/?linkid=2123754 [HttpPost("city_parking_in_car_data")] public async Task> PostYuntech_in_car_table_for__city_parking(Yuntech_in_car_table yuntech_in_car_table) { if (_context.yuntech_in_car_table == null) { return Problem("Entity set 'SqlContext.yuntech_in_car_table' is null."); } try { //比對1分鐘內有無重複記錄到 DateTime now_time = DateTime.Now; // 取得 59秒前的時間 DateTime time_59s_ago = now_time.AddSeconds(-59); var in_car_data = await (from c in _context.yuntech_in_car_table where c.license_plate_number == yuntech_in_car_table.license_plate_number where c.out_time == null orderby c.in_time descending select c).FirstOrDefaultAsync(); if (in_car_data != null && in_car_data.in_time > time_59s_ago) { return Ok(); } //比對30秒內出去與進入的時間對比 //取得30秒前的時間 DateTime time_30s_ago = now_time.AddSeconds(-30); var out_car_data = await (from c in _context.yuntech_in_car_table where c.license_plate_number == yuntech_in_car_table.license_plate_number orderby c.out_time descending select c).FirstOrDefaultAsync(); if (out_car_data != null && out_car_data.out_time > time_30s_ago) { return Ok(out_car_data); } // 新增資料 yuntech_in_car_table.in_time = DateTime.Now; yuntech_in_car_table.out_time = null; _context.yuntech_in_car_table.Add(yuntech_in_car_table); await _context.SaveChangesAsync(); // 車位數量-1 var yuntech_parking = await _context.yuntech_parking.FirstOrDefaultAsync(); if (yuntech_parking != null) { string now_num_str = yuntech_parking.now_num; int now_num_int; Int32.TryParse(now_num_str, out now_num_int); now_num_int = now_num_int - 1; now_num_str = now_num_int.ToString(); yuntech_parking.now_num = now_num_str; // 保存更改 await _context.SaveChangesAsync(); } //判斷月租臨停車輛 +1 // 與名單比對車牌號碼 var in_list_data = await _context.yuntech_parking_user_list .FirstOrDefaultAsync(user => user.user_license_plate_number == yuntech_in_car_table.license_plate_number); // 車牌號碼相同,更新月租車位數量 if (in_list_data != null) { var monthly_rent_data_1 = await _context.yuntech_monthly_rent_number .FirstOrDefaultAsync(rent => rent.category == "月租"); if (monthly_rent_data_1 != null) { int now_number; Int32.TryParse(monthly_rent_data_1.number, out now_number); now_number = now_number + 1; monthly_rent_data_1.number = now_number.ToString(); // 保存更改 await _context.SaveChangesAsync(); } } else { var monthly_rent_data_2 = await _context.yuntech_monthly_rent_number .FirstOrDefaultAsync(rent => rent.category == "臨停"); if (monthly_rent_data_2 != null) { int now_number; Int32.TryParse(monthly_rent_data_2.number, out now_number); now_number = now_number + 1; monthly_rent_data_2.number = now_number.ToString(); // 保存更改 await _context.SaveChangesAsync(); } } } catch (DbUpdateException) { if (Yuntech_in_car_tableExists(yuntech_in_car_table.in_time)) { return Conflict(); } else { throw; } } return CreatedAtAction("GetYuntech_in_car_table", new { id = yuntech_in_car_table.in_time }, yuntech_in_car_table); } #endregion #region 新增出去資料 /// /// 新增出去雲科的車輛資料 /// /// /// // POST: api/Yuntech_in_car_table // To protect from overposting attacks, see https://go.microsoft.com/fwlink/?linkid=2123754 [HttpPost("out_car")] public async Task> PostYuntech_out_car_table(Yuntech_in_car_table yuntech_out_car_table) { if (_context.yuntech_in_car_table == null) { return Problem("Entity set 'SqlContext.yuntech_in_car_table' is null."); } var license_plate_number = yuntech_out_car_table.license_plate_number; var out_car_img = yuntech_out_car_table.out_car_img; var out_location = yuntech_out_car_table.location; var in_car_data = await(from c in _context.yuntech_in_car_table where c.license_plate_number == license_plate_number where c.out_time ==null orderby c.in_time descending select c).FirstOrDefaultAsync(); DateTime now_time = DateTime.Now; // 取得 30秒前的時間 DateTime time_30s_ago = now_time.AddSeconds(-30); if (in_car_data != null && in_car_data.in_time user.user_license_plate_number == yuntech_out_car_table.license_plate_number); // 車牌號碼相同,更新月租車位數量 if (in_list_data != null) { var monthly_rent_data_1 = await _context.yuntech_monthly_rent_number .FirstOrDefaultAsync(rent => rent.category == "月租"); if (monthly_rent_data_1 != null) { int now_number; Int32.TryParse(monthly_rent_data_1.number, out now_number); now_number = now_number - 1; monthly_rent_data_1.number = now_number.ToString(); // 保存更改 await _context.SaveChangesAsync(); } } else { var monthly_rent_data_2 = await _context.yuntech_monthly_rent_number .FirstOrDefaultAsync(rent => rent.category == "臨停"); if (monthly_rent_data_2 != null) { int now_number; Int32.TryParse(monthly_rent_data_2.number, out now_number); now_number = now_number - 1; monthly_rent_data_2.number = now_number.ToString(); // 保存更改 await _context.SaveChangesAsync(); } } } else { // 处理未找到记录的情况 await _context.SaveChangesAsync(); } return Ok(); } #endregion #region City_parking 新增出去資料 /// /// City_parking 新增出去資料 /// /// /// // POST: api/Yuntech_in_car_table // To protect from overposting attacks, see https://go.microsoft.com/fwlink/?linkid=2123754 [HttpPost("city_parking_out_car_data")] public async Task> PostYuntech_out_car_table_for_city_parking(Yuntech_in_car_table yuntech_out_car_table) { if (_context.yuntech_in_car_table == null) { return Problem("Entity set 'SqlContext.yuntech_in_car_table' is null."); } var license_plate_number = yuntech_out_car_table.license_plate_number; var out_car_img = yuntech_out_car_table.out_car_img; var out_location = yuntech_out_car_table.location; var in_car_data = await (from c in _context.yuntech_in_car_table where c.license_plate_number == license_plate_number where c.out_time == null orderby c.in_time descending select c).FirstOrDefaultAsync(); DateTime now_time = DateTime.Now; // 取得 30秒前的時間 DateTime time_30s_ago = now_time.AddSeconds(-30); if (in_car_data != null && in_car_data.in_time < time_30s_ago) { // 处理找到记录的情况 _context.yuntech_in_car_table.Remove(in_car_data); await _context.SaveChangesAsync(); in_car_data.out_time = DateTime.Now; in_car_data.out_car_img = out_car_img; in_car_data.out_location = out_location; _context.yuntech_in_car_table.Add(in_car_data); await _context.SaveChangesAsync(); // 車位數量+1 var yuntech_parking = await _context.yuntech_parking.FirstOrDefaultAsync(); if (yuntech_parking != null) { string now_num_str = yuntech_parking.now_num; int now_num_int; Int32.TryParse(now_num_str, out now_num_int); now_num_int = now_num_int + 1; now_num_str = now_num_int.ToString(); yuntech_parking.now_num = now_num_str; // 保存更改 await _context.SaveChangesAsync(); } //判斷月租臨停車輛 -1 // 與名單比對車牌號碼 var in_list_data = await _context.yuntech_parking_user_list .FirstOrDefaultAsync(user => user.user_license_plate_number == yuntech_out_car_table.license_plate_number); // 車牌號碼相同,更新月租車位數量 if (in_list_data != null) { var monthly_rent_data_1 = await _context.yuntech_monthly_rent_number .FirstOrDefaultAsync(rent => rent.category == "月租"); if (monthly_rent_data_1 != null) { int now_number; Int32.TryParse(monthly_rent_data_1.number, out now_number); now_number = now_number - 1; monthly_rent_data_1.number = now_number.ToString(); // 保存更改 await _context.SaveChangesAsync(); } } else { var monthly_rent_data_2 = await _context.yuntech_monthly_rent_number .FirstOrDefaultAsync(rent => rent.category == "臨停"); if (monthly_rent_data_2 != null) { int now_number; Int32.TryParse(monthly_rent_data_2.number, out now_number); now_number = now_number - 1; monthly_rent_data_2.number = now_number.ToString(); // 保存更改 await _context.SaveChangesAsync(); } } } else { // 处理未找到记录的情况 await _context.SaveChangesAsync(); } return Ok(); } #endregion #region 刪除資料 /// /// 刪除指定資料 /// /// 車牌號碼 /// 資料新增時間 /// [HttpDelete("license_plate_number-{license_plate_number}-time-{time}")] public async Task Deletein_car_table(string license_plate_number, DateTime time) { var in_car_table = await (from c in _context.yuntech_in_car_table where c.license_plate_number == license_plate_number where c.in_time == time select c).FirstAsync(); _context.yuntech_in_car_table.Remove(in_car_table); await _context.SaveChangesAsync(); return NoContent(); } #endregion #region 生成時間段Excel文件 /// /// 生成包含時間範圍內車輛資料的 Excel 文件 /// /// 位置名稱 /// 起始時間 /// 結束時間 /// [HttpGet("location_name_2_-{id}-start_time-{start_time}-end_time-{end_time}-export_excel")] public async Task ExportYuntech_in_car_table_date_to_excel(string id, DateTime start_time, DateTime end_time) { var in_car_table = await (from c in _context.yuntech_in_car_table where c.location == id where c.in_time >= start_time where c.in_time <= end_time orderby c.in_time descending select new Yuntech_in_car_table { license_plate_number = c.license_plate_number, in_time = c.in_time, out_time = c.out_time, location = c.location, out_location = c.out_location, }).ToListAsync(); using (ExcelPackage package = new ExcelPackage()) { ExcelWorksheet worksheet = package.Workbook.Worksheets.Add("YuntechInCarTable"); // 添加標題行 worksheet.Cells["A1"].Value = "進入位置"; worksheet.Cells["B1"].Value = "車牌號碼"; worksheet.Cells["C1"].Value = "進入時間"; worksheet.Cells["D1"].Value = "出去區域"; worksheet.Cells["E1"].Value = "出去時間"; worksheet.Cells["F1"].Value = "下載日期"; // 設置列寬 worksheet.Column(1).Width = 20; worksheet.Column(2).Width = 15; worksheet.Column(3).Width = 25; worksheet.Column(4).Width = 20; worksheet.Column(5).Width = 25; worksheet.Column(6).Width = 25; worksheet.Cells["F2"].Value = DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss dddd"); // 添加資料 int row = 2; foreach (var item in in_car_table) { worksheet.Cells["A" + row].Value = item.location; worksheet.Cells["B" + row].Value = item.license_plate_number; worksheet.Cells["C" + row].Value = item.in_time?.ToString("yyyy-MM-dd HH:mm:ss") ?? ""; worksheet.Cells["D" + row].Value = item.out_location; worksheet.Cells["E" + row].Value = item.out_time?.ToString("yyyy-MM-dd HH:mm:ss") ?? ""; row++; } // 將ExcelPackage保存到內存流中 MemoryStream stream = new MemoryStream(package.GetAsByteArray()); // 處理文件名中的特殊字符(例如冒號、空格) string fileName = $"{id}_car_table_{start_time:yyyyMMddHHmmss}_{end_time:yyyyMMddHHmmss}.xlsx"; string encodedFileName = HttpUtility.UrlEncode(fileName) .Replace("%20", "_") .Replace("%3A", "-"); // 設置HttpResponseMessage的內容 Response.Headers.Add("Content-Disposition", $"attachment; filename={encodedFileName}"); return File(stream, "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"); } } #endregion #region 自動生成時間段Excel文件 /// /// 自動生成包含時間範圍內車輛資料的 Excel 文件 /// /// 位置名稱 /// 起始時間 /// 結束時間 /// [HttpGet("auto_export_excel")] public async Task ExportYuntech_in_car_table_date_to_excel_auto() { var start_time = DateTime.Now.AddHours(-24);//將資料調整成24小時內的車輛紀錄 var end_time = DateTime.Now; var in_car_table = await (from c in _context.yuntech_in_car_table where c.in_time >= start_time where c.in_time <= end_time orderby c.in_time descending // 按進入時間降序排列 select new Yuntech_in_car_table { license_plate_number = c.license_plate_number, in_time = c.in_time, out_time = c.out_time, location = c.location, out_location = c.out_location, }).ToListAsync(); // 創建ExcelPackage對象 using (ExcelPackage package = new ExcelPackage()) { ExcelWorksheet worksheet = package.Workbook.Worksheets.Add("YuntechInCarTable"); // 添加標題行 worksheet.Cells["A1"].Value = "進入位置"; worksheet.Cells["B1"].Value = "車牌號碼"; worksheet.Cells["C1"].Value = "進入時間"; worksheet.Cells["D1"].Value = "出去區域"; worksheet.Cells["E1"].Value = "出去時間"; // 設置列寬 worksheet.Column(1).Width = 20; worksheet.Column(2).Width = 15; worksheet.Column(3).Width = 25; worksheet.Column(4).Width = 20; worksheet.Column(5).Width = 25; // 添加資料 int row = 2; foreach (var item in in_car_table) { worksheet.Cells["A" + row].Value = item.location; worksheet.Cells["B" + row].Value = item.license_plate_number; worksheet.Cells["C" + row].Value = item.in_time?.ToString("yyyy-MM-dd HH:mm:ss") ?? ""; worksheet.Cells["D" + row].Value = item.out_location; worksheet.Cells["E" + row].Value = item.out_time?.ToString("yyyy-MM-dd HH:mm:ss") ?? ""; row++; } // 將ExcelPackage保存到內存流中 MemoryStream stream = new MemoryStream(package.GetAsByteArray()); // 設置HttpResponseMessage的內容 Response.Headers.Add("Content-Disposition", "attachment; filename=test.xlsx"); return File(stream, "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"); } } #endregion #region 生成全部進入車輛EXCEL /// /// 生成全部進入車輛EXCEL /// /// [HttpGet("export-all_excel")] public async Task GenerateExcel() { var yuntech_in_car_table = await (from c in _context.yuntech_in_car_table orderby c.in_time descending, c.out_time descending select new Yuntech_in_car_table { license_plate_number = c.license_plate_number, in_time = c.in_time, out_time = c.out_time, location = c.location, out_location = c.out_location, }).ToListAsync(); // 創建ExcelPackage對象 using (ExcelPackage package = new ExcelPackage()) { ExcelWorksheet worksheet = package.Workbook.Worksheets.Add("YuntechInCarTable"); // 添加標題行 worksheet.Cells["A1"].Value = "進入位置"; worksheet.Cells["B1"].Value = "車牌號碼"; worksheet.Cells["C1"].Value = "進入時間"; worksheet.Cells["D1"].Value = "出去區域"; worksheet.Cells["E1"].Value = "出去時間"; // 設置列寬 worksheet.Column(1).Width = 20; worksheet.Column(2).Width = 15; worksheet.Column(3).Width = 25; worksheet.Column(4).Width = 20; worksheet.Column(5).Width = 25; // 添加資料 int row = 2; foreach (var item in yuntech_in_car_table) { worksheet.Cells["A" + row].Value = item.location; worksheet.Cells["B" + row].Value = item.license_plate_number; worksheet.Cells["C" + row].Value = item.in_time?.ToString("yyyy-MM-dd HH:mm:ss") ?? ""; worksheet.Cells["D" + row].Value = item.out_location; worksheet.Cells["E" + row].Value = item.out_time?.ToString("yyyy-MM-dd HH:mm:ss") ?? ""; row++; } // 將ExcelPackage保存到內存流中 MemoryStream stream = new MemoryStream(package.GetAsByteArray()); // 設置HttpResponseMessage的內容 Response.Headers.Add("Content-Disposition", "attachment; filename=test.xlsx"); return File(stream, "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"); } } #endregion private bool Yuntech_in_car_tableExists(DateTime? id) { return (_context.yuntech_in_car_table?.Any(e => e.in_time == id)).GetValueOrDefault(); } } }