public ActionResult Import()
{
var vm = new Models.Course.Import();
vm.ImportList = new List <Dto.Course.Import>();
return(View(vm));
}
public ActionResult Import(Models.Course.Import vm)
{
vm.ImportList = new List <Dto.Course.Import>();
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())
{
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>()
{
"课程名称", "课程编码", "课程领域", "课程分组", "科目名称", "英文名", "课程类型", "学分", "课时", "课程说明"
};
var Text = string.Empty;
foreach (var a in tbList)
{
if (!dt.Columns.Contains(a))
{
Text += a + ",";
}
}
if (!string.IsNullOrEmpty(Text))
{
ModelState.AddModelError("", "上传的EXCEL内容与预期不一致，缺少对应的字段：" + Text);
return(View(vm));
}
#region 将DataTable转为List
foreach (System.Data.DataRow dr in dt.Rows)
{
var dto = new Dto.Course.Import()
{
CourseName = dr["课程名称"].ToString().Trim(),
CourseCode = dr["课程编码"].ConvertToString(),
CourseDomainName = Convert.ToString(dr["课程领域"]),
CourseGroupName = Convert.ToString(dr["课程分组"]),
CourseTypeName = dr["课程类型"].ToString().Trim(),
SubjectName = dr["科目名称"].ToString().Trim(),
CourseNameEn = Convert.ToString(dr["英文名"]),
Hour = Convert.ToString(dr["课时"]),
Point = Convert.ToString(dr["学分"]),
Remark = Convert.ToString(dr["课程说明"]),
};
vm.ImportList.Add(dto);
}
vm.ImportList.RemoveAll(d =>
string.IsNullOrEmpty(d.CourseName) &&
string.IsNullOrEmpty(d.CourseCode) &&
string.IsNullOrEmpty(d.CourseTypeName) &&
string.IsNullOrEmpty(d.CourseGroupName) &&
string.IsNullOrEmpty(d.CourseDomainName) &&
string.IsNullOrEmpty(d.SubjectName) &&
string.IsNullOrEmpty(d.CourseNameEn) &&
string.IsNullOrEmpty(d.Hour) &&
string.IsNullOrEmpty(d.Point) &&
string.IsNullOrEmpty(d.Remark)
);
if (vm.ImportList.Count == 0)
{
ModelState.AddModelError("", "未读取到任何有效数据!");
return(View(vm));
}
#endregion
var subjectList = db.Table <Course.Entity.tbSubject>().ToList();
var courseTypeList = db.Table <Course.Entity.tbCourseType>().ToList();
var courseList = (from p in db.Table <Course.Entity.tbCourse>()
.Include(d => d.tbSubject)
.Include(d => d.tbCourseType)
select p).ToList();
var courseDomainList = db.Table <Course.Entity.tbCourseDomain>().ToList();
var courseGroupList = db.Table <Course.Entity.tbCourseGroup>().ToList();
#region 验证数据格式是否正确
foreach (var item in vm.ImportList)
{
if (string.IsNullOrEmpty(item.CourseName))
{
item.Error = item.Error + "课程名称不能为空!";
}
if (string.IsNullOrEmpty(item.CourseTypeName))
{
item.Error = item.Error + "课程类型不能为空!";
}
else
{
if (courseTypeList.Where(d => d.CourseTypeName == item.CourseTypeName).Count() <= 0)
{
item.Error = item.Error + "课程类型不存在;";
}
}
if (string.IsNullOrEmpty(item.SubjectName))
{
item.Error = item.Error + "科目名称不能为空!";
}
else
{
if (subjectList.Where(d => d.SubjectName == item.SubjectName).Count() <= 0)
{
item.Error = item.Error + "科目不存在;";
}
}
if (string.IsNullOrEmpty(item.CourseDomainName) == false)
{
if (courseDomainList.Where(d => d.CourseDomainName == item.CourseDomainName).Any() == false)
{
item.Error = item.Error + "课程领域不存在;";
}
}
if (string.IsNullOrEmpty(item.CourseGroupName) == false)
{
if (courseGroupList.Where(d => d.CourseGroupName == item.CourseGroupName).Any() == false)
{
item.Error = item.Error + "课程分组不存在;";
}
}
if (vm.ImportList.Where(d => d.CourseName == item.CourseName).Count() > 1)
{
item.Error = item.Error + "该条数据重复!";
}
int Hour = 0;
if ((int.TryParse(item.Hour, out Hour) == false || Hour < 0))
{
item.Error = item.Error + "课时必须为正整数!";
}
decimal Point = 0;
if ((decimal.TryParse(item.Point, out Point) == false || Point < 0))
{
item.Error = item.Error + "学分必须为数字!";
}
if (vm.IsUpdate == false && courseList.Where(d => d.CourseName == item.CourseName).Count() > 0)
{
item.Error = item.Error + "系统中已存在该课程!";
}
}
if (vm.ImportList.Where(d => string.IsNullOrEmpty(d.Error) == false).Count() > 0)
{
vm.ImportList.RemoveAll(d => string.IsNullOrEmpty(d.Error));
return(View(vm));
}
#endregion
foreach (var item in vm.ImportList)
{
#region 数据导入，判断关键字，存在的数据做更新，不存在的做新增
if (vm.IsUpdate && courseList.Where(d => d.CourseName == item.CourseName).Count() > 0)
{
if (courseList.Where(d => d.CourseName == item.CourseName).Count() > 1)
{
item.Error = item.Error + "系统中该数据存在重复，无法确认需要更新的记录!";
}
else
{
var tb = courseList.Where(d => d.CourseName == item.CourseName).FirstOrDefault();
tb.CourseName = item.CourseName;
tb.CourseCode = item.CourseCode;
tb.CourseNameEn = item.CourseNameEn;
tb.tbSubject = subjectList.Where(d => d.SubjectName == item.SubjectName).FirstOrDefault();
tb.tbCourseType = courseTypeList.Where(d => d.CourseTypeName == item.CourseTypeName).FirstOrDefault();
tb.Point = item.Point.ConvertToDecimal();
tb.Hour = item.Hour.ConvertToInt();
tb.Remark = item.Remark;
tb.IsLevel = false;
if (string.IsNullOrEmpty(item.CourseDomainName) == false)
{
tb.tbCourseDomain = courseDomainList.Where(d => d.CourseDomainName == item.CourseDomainName).FirstOrDefault();
}
if (string.IsNullOrEmpty(item.CourseGroupName) == false)
{
tb.tbCourseGroup = courseGroupList.Where(d => d.CourseGroupName == item.CourseGroupName).FirstOrDefault();
}
}
}
else
{
var tb = new Course.Entity.tbCourse();
tb.CourseName = item.CourseName;
tb.CourseCode = item.CourseCode;
tb.CourseNameEn = item.CourseNameEn;
tb.tbSubject = subjectList.Where(d => d.SubjectName == item.SubjectName).FirstOrDefault();
tb.tbCourseType = courseTypeList.Where(d => d.CourseTypeName == item.CourseTypeName).FirstOrDefault();
tb.Point = item.Point.ConvertToDecimal();
tb.Hour = item.Hour.ConvertToInt();
tb.Remark = item.Remark;
tb.IsLevel = false;
if (string.IsNullOrEmpty(item.CourseDomainName) == false)
{
tb.tbCourseDomain = courseDomainList.Where(d => d.CourseDomainName == item.CourseDomainName).FirstOrDefault();
}
if (string.IsNullOrEmpty(item.CourseGroupName) == false)
{
tb.tbCourseGroup = courseGroupList.Where(d => d.CourseGroupName == item.CourseGroupName).FirstOrDefault();
}
db.Set <Course.Entity.tbCourse>().Add(tb);
}
#endregion
}
if (db.SaveChanges() > 0)
{
vm.ImportList.RemoveAll(d => string.IsNullOrEmpty(d.Error));
XkSystem.Areas.Sys.Controllers.SysUserLogController.Insert("批量添加了课程");
vm.Status = true;
}
}
}
return(View(vm));
}
