/// <summary>
/// 更新标签
/// </summary>
/// <param name="updatemodel"></param>
/// <returns></returns>
public string UpdateTag(TagModel updatemodel)
{
if (updatemodel.TagID <= 0)
{
return("ID为空");
}
var tagdal = new TagDal();
var model = tagdal.GetFirst(x => x.TagID == updatemodel.TagID);
if (model == null)
{
return("数据不存在");
}
model.TagName = updatemodel.TagName;
model.TagDesc = updatemodel.TagDesc;
model.TagLink = updatemodel.TagLink;
if (tagdal.Exist(x => x.TagName == model.TagName && x.TagID != model.TagID))
{
return("存在同名标签");
}
return(tagdal.Update(model) > 0 ? SUCCESS : "添加失败");
}
public string DeleteTag(string id)
{
var tagdal = new TagDal();
var model = tagdal.GetFirst(x => x.UID == id);
if (model == null)
{
return("数据不存在");
}
return(tagdal.Delete(model) > 0 ? SUCCESS : "删除失败");
}
public string DeleteTag(int id)
{
if (id <= 0)
{
return("ID为空");
}
var tagdal = new TagDal();
var model = tagdal.GetFirst(x => x.TagID == id);
if (model == null)
{
return("数据不存在");
}
return(tagdal.Delete(model) > 0 ? SUCCESS : "删除失败");
}
/// <summary>
/// 通过id获取标签
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public TagModel GetTagByID(string id)
{
var tagdal = new TagDal();
return(tagdal.GetFirst(x => x.UID == id));
}