public CategoryTree GetChildCategory(CategoryTree category, int?parentId)
{
var childCategory = db.Category.Where(en => en.parentId == parentId).OrderBy(en => en.sort).ToList();
if (childCategory.Count == 0)
{
return(null);
}
List <CategoryTree> lstCategory = new List <CategoryTree>();
childCategory.ForEach(child =>
{
var nCategory = new CategoryTree()
{
id = child.id,
title = child.title,
parentId = child.parentId,
parentName = child.parentName,
sort = child.sort,
select = string.Empty
};
GetChildCategory(nCategory, child.id);
lstCategory.Add(nCategory);
});
if (lstCategory != null)
{
category.children = lstCategory;
}
return(category);
}
public IHttpActionResult GetCategory(int type)
{
ResultData result = new ResultData();
try
{
var lstCategory = db.Category.Where(en => en.type == type && en.parentId == null).OrderBy(en => en.sort.Trim()).ToList();
if (lstCategory.Count == 0)
{
return(ErrorResult(ResultCode.Successed, "暂无数据."));
}
List <CategoryTree> lstCategoryTree = new List <CategoryTree>();
lstCategory.ForEach(item =>
{
var child = new CategoryTree();
child.id = item.id;
child.title = item.title;
child.parentId = item.parentId;
child.parentName = item.parentName;
child.sort = item.sort;
child.select = string.Empty;
var childCategory = GetChildCategory(child, item.id);
if (childCategory == null)
{
lstCategoryTree.Add(child);
}
else
{
lstCategoryTree.Add(childCategory);
}
});
result.code = (int)ResultCode.Successed;
result.data = JsonConvert.SerializeObject(lstCategoryTree);
}
catch (Exception ex)
{
result = new ResultData {
code = (int)ResultCode.Faild, msg = ex.Message
};
}
return(Json(result));
}
