public IActionResult CategoryEdit(Guid?Id)
{
MaterialsCategoryViewModel model = null;
if (Id.HasValue)
{
MaterialsCategory category = materialsService.GetMaterialsCategoryById(Id);
model = new MaterialsCategoryViewModel(category);
model.IsNew = false;
}
else
{
model = new MaterialsCategoryViewModel();
model.IsNew = true;
}
List <Programming> programmings = materialsService.GetAllProgrammings();
List <SelectListItem> ProgrammingList = new List <SelectListItem>();
ProgrammingList.Add(new SelectListItem {
Value = "", Text = "选择编程"
});
foreach (var item in programmings)
{
ProgrammingList.Add(new SelectListItem {
Value = item.Id.ToString(), Text = item.Title
});
}
ViewData["ProgrammingList"] = ProgrammingList;
return(View(model));
}
public void RemoveCategory(Guid id)
{
MaterialsCategory category = db.MaterialsCategories.FirstOrDefault(x => x.Id == id);
db.MaterialsCategories.Remove(category);
bool result = db.SaveChanges() > 0;
base.IsSuccess = result;
base.ReturnMsg = result ? "删除成功" : "删除失败";
}
public void SaveCategory(MaterialsCategory model)
{
model.CreateDate = DateTime.Now;
model.IsDelete = false;
db.MaterialsCategories.Add(model);
bool result = db.SaveChanges() > 0;
base.IsSuccess = result;
base.ReturnMsg = result ? "保存成功" : "保存失败";
}
/// <summary>
///
/// </summary>
/// <param name="category"></param>
public void UpdateCategory(MaterialsCategory category)
{
MaterialsCategory old = db.MaterialsCategories.Where(x => x.Id == category.Id).FirstOrDefault();
old.Title = category.Title;
old.Description = category.Description;
old.ModifyBy = category.ModifyBy;
old.ModifyDate = category.ModifyDate;
old.ProgrammingID = category.ProgrammingID;
bool result = db.SaveChanges() > 0;
base.IsSuccess = result;
base.ReturnMsg = result ? "修改成功" : "修改失败";
}
public IActionResult CategoryEdit(MaterialsCategoryViewModel model)
{
List <Programming> programmings = materialsService.GetAllProgrammings();
List <SelectListItem> ProgrammingList = new List <SelectListItem>();
ProgrammingList.Add(new SelectListItem {
Value = "", Text = "选择编程"
});
foreach (var item in programmings)
{
ProgrammingList.Add(new SelectListItem {
Value = item.Id.ToString(), Text = item.Title
});
}
ViewData["ProgrammingList"] = ProgrammingList;
MaterialsCategory category = new MaterialsCategory();
category.Id = model.Id;
category.Description = model.Description;
category.ProgrammingID = model.ProgrammingID;
category.Title = model.Title;
if (model.IsNew)
{
category.CreateBy = CurrentUser.Id;
materialsService.SaveCategory(category);
}
else
{
category.ModifyBy = CurrentUser.Id;
materialsService.UpdateCategory(category);
}
if (materialsService.IsSuccess)
{
return(Redirect("/Admin/Materials/CategoryManage"));
}
else
{
ModelState.AddModelError("", materialsService.ReturnMsg);
}
return(View(model));
}
public MaterialsCategoryViewModel(MaterialsCategory category)
{
this.Title = category.Title;
this.Description = category.Description;
this.ProgrammingID = category.ProgrammingID;
}
