/// <summary>
/// 查找子类别，并且将文章所属的类别前面的复选框选中
/// </summary>
/// <returns></returns>
public ActionResult ShowChildClass()
{
int classId = int.Parse(Request["classId"]); //父类别编号
int articelId = int.Parse(Request["articelId"]); //文章编号
//找出父类下的子类
var childClassList = ArticelClassService.LoadEntities(a => a.ParentId == classId);
//获取文章的类别。
var articelInfo = ArticelService.LoadEntities(a => a.ID == articelId).FirstOrDefault();
var articelClassList = from a in articelInfo.ArticelClass
select a.ID;
List <ArticelClassModel> list = new List <ArticelClassModel>();
foreach (var childClass in childClassList)
{
if (articelClassList.Contains(childClass.ID))
{
ArticelClassModel articelClassModel = new ArticelClassModel();
articelClassModel.Checked = true;
articelClassModel.Id = childClass.ID;
articelClassModel.Text = childClass.ClassName;
list.Add(articelClassModel);
}
else
{
ArticelClassModel articelClassModel = new ArticelClassModel();
articelClassModel.Id = childClass.ID;
articelClassModel.Text = childClass.ClassName;
list.Add(articelClassModel);
}
}
var temp = from a in list
select new { id = a.Id, text = a.Text, @checked = a.Checked };
return(Json(temp, JsonRequestBehavior.AllowGet));
}
/// <summary>
/// 获取根类别信息，填充Tree
/// </summary>
/// <returns></returns>
public ActionResult GetArticelClass()
{
var articelClassList = ArticelClassService.LoadEntities(a => a.ParentId == 0);
var temp = from a in articelClassList
select new { id = a.ID, text = a.ClassName };
return(Json(temp, JsonRequestBehavior.AllowGet));
}
/// <summary>
/// 加载新闻类别
/// </summary>
/// <returns></returns>
private string LoadArticelClassList()
{
var articelParentClassList = ArticelClassService.LoadEntities(a => a.ParentId == 0);
StringBuilder sb = new StringBuilder();
foreach (var articelParentClass in articelParentClassList)
{
sb.Append("<option value='" + articelParentClass.ID + "'>" + "--" + articelParentClass.ClassName + "</option>");
var articelChildClassList = ArticelClassService.LoadEntities(a => a.ParentId == articelParentClass.ID);
foreach (var childClass in articelChildClassList)
{
sb.Append("<option value=" + childClass.ID + ">" + "----" + childClass.ClassName + "</option>");
}
}
return(sb.ToString());
}