public ActionResult Import(Models.StudyClassStudent.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>() { "行政班", "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 dtoStudyClassStudent = new Dto.StudyClassStudent.Import() { ClassName = Convert.ToString(dr["行政班"]), StudentCode = Convert.ToString(dr["学号"]), StudentName = Convert.ToString(dr["姓名"]) }; if (vm.ImportList.Where(d => d.ClassName == dtoStudyClassStudent.ClassName && d.StudentCode == dtoStudyClassStudent.StudentCode && d.StudentName == dtoStudyClassStudent.StudentName).Count() == 0) { vm.ImportList.Add(dtoStudyClassStudent); } } vm.ImportList.RemoveAll(d => string.IsNullOrEmpty(d.ClassName) && 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 StudyClassStudentList = (from p in db.Table <Study.Entity.tbStudyClassStudent>() .Include(d => d.tbStudent) .Include(d => d.tbStudy) .Include(d => d.tbClass) select p).ToList(); var StudyClassList = (from p in db.Table <Study.Entity.tbStudyClass>() .Include(d => d.tbStudy) .Include(d => d.tbClass) where p.tbStudy.Id == vm.StudyId && p.tbStudy.IsDeleted == false && p.tbClass.IsDeleted == false select p).ToList(); //学生列表 var StudentList = (from p in db.Table <Student.Entity.tbStudent>() select p).ToList(); var StudyName = db.Set <Study.Entity.tbStudy>().Find(vm.StudyId).StudyName; foreach (var item in vm.ImportList) { if (string.IsNullOrEmpty(item.ClassName)) { item.Error = item.Error + "行政班不能为空!"; continue; } else { if (StudyClassList.Where(d => d.tbClass.ClassName == item.ClassName).Count() == decimal.Zero) { item.Error = item.Error + "行政班没有参加【" + StudyName + "】"; 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 (StudyClassStudentList.Where(d => d.tbStudy.Id == vm.StudyId && d.tbClass.ClassName == item.ClassName && 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 addStudyClassStudentList = new List <Study.Entity.tbStudyClassStudent>(); foreach (var item in vm.ImportList) { Study.Entity.tbStudyClassStudent tb = null; if (StudyClassStudentList.Where(d => d.tbStudy.Id == vm.StudyId && d.tbClass.ClassName == item.ClassName && d.tbStudent.StudentCode == item.StudentCode).Count() == decimal.Zero) { tb = new Study.Entity.tbStudyClassStudent(); tb.tbStudy = db.Set <Study.Entity.tbStudy>().Find(vm.StudyId); tb.tbClass = db.Table <Basis.Entity.tbClass>().Where(d => d.ClassName == item.ClassName).FirstOrDefault(); tb.tbStudent = db.Table <Student.Entity.tbStudent>().Where(d => d.StudentCode == item.StudentCode).FirstOrDefault(); addStudyClassStudentList.Add(tb); } } db.Set <Study.Entity.tbStudyClassStudent>().AddRange(addStudyClassStudentList); if (db.SaveChanges() > 0) { XkSystem.Areas.Sys.Controllers.SysUserLogController.Insert("批量导入了晚自习行政班学生"); vm.Status = true; } #endregion } } vm.ImportList.RemoveAll(d => string.IsNullOrEmpty(d.Error)); return(View(vm)); }
public ActionResult Import() { var vm = new Models.StudyClassStudent.Import(); return(View(vm)); }