private string Import()
    {
        string res   = "F";
        string json  = Request.Form["json"];
        string index = Request.Form["index"];
        Dictionary <string, string> dict = JsonHelper.DeserializeJsonToObject <Dictionary <string, string> >(json);

        if (!dict["状态"].Contains("已导入"))
        {
            dict = CostSharingInfoManage.NewImportInfos(dict, index);
        }
        //dict = CostSharingInfoManage.ImportInfos(dict);
        res = JsonHelper.SerializeObject(dict);
        return(res);
    }