ToDictionary写法

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把List集合转化成Dictionary

public ActionResult Dimo()
{
Dictionary<string, Object> param = new Dictionary<string, Object>();
param.Add("UID", user.UID);
string urlUserPoints = RouteManager.GetApiRoute("User", "GetPointById", param);
List<UserPoints> userPoints = JsonConvert.DeserializeObject<UserPoints>(UserList.GetUser(urlUserPoints));string urlGetIndustriesAndJobs = RouteManager.GetApiRoute("User", "GetIndustriesAndJobs");
Dictionary<string, Object> param2 = JsonConvert.DeserializeObject<Dictionary<string, Object>>(UserList.GetUser(urlGetIndustriesAndJobs));
List<CatalogForIndustries> catalogForIndustries = SerializeHelper.DeserializeFromJson<List<CatalogForIndustries>>(SerializeHelper.SerializeToJson(param2["catalogForIndustries"]));
//与第一个不同，第二个传来的是一个Dictionary，这个字典中包含两个集合，所以在反序列化后并无法直接转化成list集合，所以需要再序列化反序列化一次
Dictionary<string, List<CatalogForIndustries>> temp = catalogForIndustries.GroupBy(a => a.ParentID).ToDictionary(a => a.Key, a => a.ToList());
//这个是ToDictionary的写法，把list转化成Dictionary 字典
this.ViewBag.catalogGroup = temp;
return view();
} [HttpGet]
[SecurityCheck]
public HttpResponseMessage GetIndustriesAndJobs(string guid)
{
List<CatalogForIndustries> industies = BllFactory.Instance.UserBLL.GetCatalogForIndustries();
List<CatalogForJobs> jobs = BllFactory.Instance.UserBLL.GetCatalogForJobs();
Dictionary<string,object> param = new Dictionary<string,object>();
param.Add("catalogForIndustries", industies);
param.Add("catalogForJobs", jobs);
return ConvertHelper.toJson(param);
}