ASP.NET JavaScriptSerializer 需要 HttpResponse？

Question

似乎 System.Web.Script.Serialization.JavascriptSerializer 类试图获取当前请求的 HttpResponse，大概是为了应用适当的字符编码。

然而，这意味着当您使用没有 HttpContext 范围内的类时，它会因以下异常 + 堆栈跟踪而崩溃：

[HttpException (0x80004005): Response is not available in this context.]
   System.Web.HttpContext.get_Response() +8753496
   System.Web.Util.HttpEncoder.get_Current() +39
   System.Web.HttpUtility.JavaScriptStringEncode(String value, Boolean addDoubleQuotes) +13
   System.Web.Script.Serialization.JavaScriptSerializer.SerializeString(String input, StringBuilder sb) +31
   System.Web.Script.Serialization.JavaScriptSerializer.SerializeCustomObject(Object o, StringBuilder sb, Int32 depth, Hashtable objectsInUse, SerializationFormat serializationFormat) +240
   System.Web.Script.Serialization.JavaScriptSerializer.SerializeValueInternal(Object o, StringBuilder sb, Int32 depth, Hashtable objectsInUse, SerializationFormat serializationFormat) +1355
   System.Web.Script.Serialization.JavaScriptSerializer.SerializeValue(Object o, StringBuilder sb, Int32 depth, Hashtable objectsInUse, SerializationFormat serializationFormat) +194
   System.Web.Script.Serialization.JavaScriptSerializer.Serialize(Object obj, StringBuilder output, SerializationFormat serializationFormat) +26
   System.Web.Script.Serialization.JavaScriptSerializer.Serialize(Object obj, SerializationFormat serializationFormat) +74
   System.Web.Script.Serialization.JavaScriptSerializer.Serialize(Object obj) +6

我无法以保证存在有效 HttpContext 的方式重新编写代码。关于如何避免这种情况的任何想法？ String 类型的自定义 JavascriptConverter 可能是一个健壮的解决方案吗？

谢谢

帕斯卡

Answer 1

AFAIK JavaScriptSerializer 不需要任何 HttpContext 并且在控制台应用程序中工作得非常好：

class Program
{
    static void Main(string[] args)
    {
        string json = new JavaScriptSerializer().Serialize(new { Bar = "foo" });
        Console.WriteLine(json);
    }
}

你也可以试试Json.NET。