public ActionResult Insert(List <int> ids, int studyId, int roomId) { using (var db = new XkSystem.Models.DbContext()) { var error = new List <string>(); var StudyRoomStudentList = (from p in db.Table <Study.Entity.tbStudyRoomStudent>() where p.tbStudy.Id == studyId && p.tbRoom.Id == roomId && p.tbStudy.IsDeleted == false && p.tbRoom.IsDeleted == false && p.tbStudent.IsDeleted == false select p.tbStudent.Id).ToList(); var check = (from p in db.Table <Study.Entity.tbStudyRoomStudent>() where p.tbStudy.IsDeleted == false && p.tbRoom.IsDeleted == false && p.tbStudent.IsDeleted == false && p.tbStudy.Id == studyId && p.tbRoom.Id != roomId && ids.Contains(p.tbStudent.Id) select new { p.tbStudent.StudentCode, p.tbStudent.StudentName, p.tbRoom.RoomName }).ToList(); if (check.Count > 0) { error.AddError(string.Join("\r\n", check.Select(d => d.StudentCode + "(" + d.StudentName + ")已在" + d.RoomName).ToList())); } else { var studentList = (from p in db.Table <Student.Entity.tbStudent>() where ids.Contains(p.Id) && StudyRoomStudentList.Contains(p.Id) == false select p).ToList(); foreach (var student in studentList) { var tb = new Study.Entity.tbStudyRoomStudent(); tb.tbRoom = db.Set <Basis.Entity.tbRoom>().Find(roomId); tb.tbStudent = student; tb.tbStudy = db.Set <Study.Entity.tbStudy>().Find(studyId); db.Set <Study.Entity.tbStudyRoomStudent>().Add(tb); } if (db.SaveChanges() > 0) { XkSystem.Areas.Sys.Controllers.SysUserLogController.Insert("添加了晚自习班级学生"); } } return(Code.MvcHelper.Post(error)); } }
public ActionResult Import(Models.StudyRoomStudent.Import vm) { if (ModelState.IsValid) { var file = Request.Files[nameof(vm.UploadFile)]; var fileSave = System.IO.Path.GetTempFileName(); file.SaveAs(fileSave); using (var db = new XkSystem.Models.DbContext()) { #region 1、Excel模版校验 if (Code.Common.GetFileType(file.FileName) != Code.FileType.Excel) { ModelState.AddModelError("", "上传的文件不是正确的EXCLE文件!"); return(View(vm)); } var dt = Code.NpoiHelper.ExcelToDataTable(fileSave, System.IO.Path.GetExtension(file.FileName), string.Empty); if (dt == null) { ModelState.AddModelError("", "无法读取上传的文件,请检查文件格式是否正确!"); return(View(vm)); } var tbList = new List <string>() { "晚自习名称", "教室", "学号", "姓名" }; var Text = string.Empty; foreach (var a in tbList) { if (!dt.Columns.Contains(a.ToString())) { Text += a + ","; } } if (!string.IsNullOrEmpty(Text)) { ModelState.AddModelError("", "上传的EXCEL晚自习内容与预期不一致,缺少对应的字段:" + Text); return(View(vm)); } #endregion #region 2、Excel数据读取 foreach (System.Data.DataRow dr in dt.Rows) { var dtoStudyRoomStudent = new Dto.StudyRoomStudent.Import() { StudyName = Convert.ToString(dr["晚自习名称"]), RoomName = Convert.ToString(dr["教室"]), StudentCode = Convert.ToString(dr["学号"]), StudentName = Convert.ToString(dr["姓名"]) }; if (vm.ImportList.Where(d => d.StudyName == dtoStudyRoomStudent.StudyName && d.RoomName == dtoStudyRoomStudent.RoomName && d.StudentCode == dtoStudyRoomStudent.StudentCode && d.StudentName == dtoStudyRoomStudent.StudentName).Count() == 0) { vm.ImportList.Add(dtoStudyRoomStudent); } } vm.ImportList.RemoveAll(d => string.IsNullOrEmpty(d.StudyName) && string.IsNullOrEmpty(d.RoomName) && string.IsNullOrEmpty(d.StudentCode) && string.IsNullOrEmpty(d.StudentName) ); if (vm.ImportList.Count == 0) { ModelState.AddModelError("", "Excel未读取到任何有效数据!"); return(View(vm)); } #endregion #region 3、Excel格式校验 //学生列表 var StudyRoomStudentList = (from p in db.Table <Study.Entity.tbStudyRoomStudent>() .Include(d => d.tbStudent) .Include(d => d.tbStudy) .Include(d => d.tbRoom) select p).ToList(); //学生列表 var StudentList = (from p in db.Table <Student.Entity.tbStudent>() select p).ToList(); foreach (var item in vm.ImportList) { if (string.IsNullOrEmpty(item.StudyName)) { item.Error = item.Error + "晚自习名称不能为空!"; continue; } if (string.IsNullOrEmpty(item.RoomName)) { item.Error = item.Error + "教室不能为空!"; continue; } if (string.IsNullOrEmpty(item.StudentCode)) { item.Error = item.Error + "学号不能为空!"; continue; } else { if (StudentList.Where(d => d.StudentCode == item.StudentCode).Count() == decimal.Zero) { item.Error = item.Error + "学生不存在数据库!"; continue; } } if (string.IsNullOrEmpty(item.StudentName)) { item.Error = item.Error + "姓名不能为空!"; continue; } else { if (StudentList.Where(d => d.StudentName == item.StudentName).Count() == decimal.Zero) { item.Error = item.Error + "学生不存在数据库!"; continue; } } if (StudyRoomStudentList.Where(d => d.tbStudy.Id == vm.StudyId && d.tbRoom.Id == vm.RoomId && d.tbStudent.StudentCode == item.StudentCode).Count() > 0) { item.Error += "系统中已存在该记录!"; continue; } } if (vm.ImportList.Where(d => string.IsNullOrEmpty(d.Error) == false).Count() > 0) { vm.ImportList.RemoveAll(d => string.IsNullOrEmpty(d.Error)); return(View(vm)); } #endregion #region 4、Excel执行导入 var addStudyRoomStudentList = new List <Study.Entity.tbStudyRoomStudent>(); foreach (var item in vm.ImportList) { Study.Entity.tbStudyRoomStudent tb = null; if (StudyRoomStudentList.Where(d => d.tbStudy.Id == vm.StudyId && d.tbRoom.Id == vm.RoomId && d.tbStudent.StudentCode == item.StudentCode).Count() == decimal.Zero) { tb = new Study.Entity.tbStudyRoomStudent(); tb.tbStudy = db.Set <Study.Entity.tbStudy>().Find(vm.StudyId); tb.tbRoom = db.Set <Basis.Entity.tbRoom>().Find(vm.RoomId); tb.tbStudent = db.Table <Student.Entity.tbStudent>().Where(d => d.StudentCode == item.StudentCode).FirstOrDefault(); addStudyRoomStudentList.Add(tb); } } db.Set <Study.Entity.tbStudyRoomStudent>().AddRange(addStudyRoomStudentList); if (db.SaveChanges() > 0) { XkSystem.Areas.Sys.Controllers.SysUserLogController.Insert("批量导入了晚自习教室学生"); vm.Status = true; } #endregion } } vm.ImportList.RemoveAll(d => string.IsNullOrEmpty(d.Error)); return(View(vm)); }