GTA项目 二, JSON接口开放跨域访问

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public class CORSAttribute : ActionFilterAttribute {     public string Domains { get; set; }     public CORSAttribute( string domains)     {         Domains = domains;     }       public override void OnResultExecuted(ResultExecutedContext filterContext)     {         filterContext.HttpContext.Response.AppendHeader("Access-Control-Allow-Origin", Domains);         filterContext.HttpContext.Response.AppendHeader("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");         base.OnResultExecuted(filterContext);     } }

　　

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[CORS("http://localhost:2339")] public ActionResult Country(string keyword = "", string Lang = "zh") {               var json =xml2json(req.GetResponse(), "CountryDetails", "Name");              return Content(json, "text/json", Encoding.UTF8); }