String origin = filterContext.HttpContext.Request.Headers["Origin"];
filterContext.HttpContext.Response.AppendHeader("Access-Control-Allow-Origin", "*");//设置允许跨域
filterContext.HttpContext.Response.AppendHeader("Access-Control-Allow-Methods", "POST,GET,OPTIONS,DELETE");
filterContext.HttpContext.Response.AppendHeader("Access-Control-Max-Age", "3600");
filterContext.HttpContext.Response.AppendHeader("Access-Control-Allow-Headers", "x-requested-with,content-type");//设置允许跨域
filterContext.HttpContext.Response.AppendHeader("Access-Control-Allow-Credentials", "true");
asp.net设置允许跨域
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