获取500错误

Question

我正在使用JQuery和Ajax与ASP.Net web服务进行交互。下面是Jquery代码：

$.jrpc = function(url, id, method, params, success, error) {
    var request = $.json_stringify({
       'jsonrpc': '2.0', 'method': method,
        'params': params, 'id': id});
    return $.ajax({
        url: url,
        data: "json=" + encodeURIComponent(request),
        success: success,
        error: error,
        contentType: 'application/json; charset=utf-8',
        dataType: 'json',
        async: true,
        cache: false,
        //timeout: 1,
        type: 'POST'});
};

以下是web服务代码：

[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
[ScriptService]
public class Access : System.Web.Services.WebService
{

    [WebMethod]
    [ScriptMethod(ResponseFormat = ResponseFormat.Json)]
    public string EntryMethod(string json)
    {
        Requests d = JsonConvert.DeserializeObject<Requests>(json);
        Response resp = new Response();
        resp.jsonrpc = d.jsonrpc;
        resp.result = "Got the call!";
        resp.id = d.id;
        resp.error = null;
        JavaScriptSerializer response = new JavaScriptSerializer();
        string r = response.Serialize(resp);

        return r;
    }
}

我得到了这个错误：

AJAX错误-服务器响应为：{“System.Web.Script.Serialization.JavaScriptObjectDeserializer.DeserializePrimitiveObject()\r\n”：“无效的JSON原语: json."，"StackTrace":”at System.Web.Script.Serialization.JavaScriptObjectDeserializer.BasicDeserialize(String at System.Web.Script.Serialization.JavaScriptSerializer.Deserialize(JavaScriptSerializer depth)\r\n at System.Web.Script.Serialization.JavaScriptSerializer.Deserialize(JavaScriptSerializer input，Int32 depthLimit，JavaScriptSerializer serializer)\r\n at json serializer，String input，Type type，序列化程序)\r\n System.Web.Script.Serialization.JavaScriptSerializer.DeserializeT\r\n at System.Web.Script.Services.RestHandler.GetRawParamsFromPostRequest(HttpContext depthLimit，JavaScriptSerializer methodData )\r\n at System.Web.Script.Services.RestHandler.GetRawParams(WebServiceMethodData context，HttpContext context)\r\n at System.Web.Script.Services.RestHandler.ExecuteWebServiceCall(HttpContext context，HttpContext methodData)"，"ExceptionType":"System.ArgumentException"}

使用AspNet webservice测试页时，以下是我的标题和请求字符串: ASP.Net -Control: private，max-age=0 Date: Wed，03 Oct 2012 19:47:16 GMT Content-Length: 149 Content-Type: text/xml；charset=utf-8服务器:AspNet Development Server/10.0.0.0 X-AspNet-Version: 4.0.30319连接:关闭

json=%7B%22jsonrpc%22%3A%222.0%22%2C%22method%22%3A%22test%22%2C%22params%22%3A%5B%5D%2C%22id%22%3A1%7D

下面是不起作用的Ajax调用的头/请求字符串: Cache-Control: private Date: Wed，03 Oct 2012 19:47:09 GMT Content-Length: 1062 Content-Type: application/json；charset=utf-8 json Server: true Server: ASP.NET Development Server/10.0.0.0 X-AspNet-Version: 4.0.30319 Connection: Close

json=%7B%22jsonrpc%22%3A%222.0%22%2C%22method%22%3A%22test%22%2C%22params%22%3A%5B%5D%2C%22id%22%3A1%7D

你知道为什么我会得到这个错误吗？我试着用谷歌搜索它，但没有一个结果对我有真正的帮助。

编辑：

如果我使用: data："{'jsonrpc':'2.0'，'method':'test'，'params':[]，'id':1}"，

我收到此错误: AJAX错误-服务器响应为：{“Message”：“无效的System.Web.Script.Services.WebServiceMethodData.CallMethod(Object服务调用，缺少参数值：\u0027json\u0027."，"StackTrace":”AJAX目标，IDictionary2 parameters)\r\n at System.Web.Script.Services.WebServiceMethodData.CallMethodFromRawParams(Object target, IDictionary2参数)\r\n AJAX context，WebServiceMethodData methodData，IDictionary`2 rawParams)\r\n AJAX context，WebServiceMethodData methodData)"，AJAX

如果我使用: data："json={'jsonrpc':'2.0'，'method':'test'，'params':[]，'id':1}"，

我收到此错误: AJAX错误-服务器响应为：{"Message":"Invalid JSON primitive: json."，"StackTrace":“at System.Web.Script.Serialization.JavaScriptObjectDeserializer.DeserializePrimitiveObject()\r\n at System.Web.Script.Serialization.JavaScriptObjectDeserializer.DeserializeInternal(Int32 depth)\r\n at System.Web.Script.Serialization.JavaScriptObjectDeserializer.BasicDeserialize(String input，Int32 depthLimit，JavaScriptSerializer serializer)\r\n at json serializer，String input，Type type，序列化程序)\r\n System.Web.Script.Serialization.JavaScriptSerializer.DeserializeT\r\n at System.Web.Script.Services.RestHandler.GetRawParamsFromPostRequest(HttpContext depthLimit，JavaScriptSerializer methodData )\r\n at System.Web.Script.Services.RestHandler.GetRawParams(WebServiceMethodData context，HttpContext context)\r\n at System.Web.Script.Services.RestHandler.ExecuteWebServiceCall(HttpContext context，HttpContext methodData)"，"ExceptionType":"System.ArgumentException"}

Answer 1

修改数据："json=“+ encodeURIComponent(request)，改为

   data: "{json: '" + encodeURIComponent(request)+"'}",

请参阅示例代码

  $.ajax("WebService.asmx/EntryMethod", {
        contentType: "application/json; charset=utf-8",dataType: "json",
        type: "POST", data: "{json:'value'}", success: function (r) { alert(r); },
        error: function (e) { alert(e); }
    });

Answer 2

尝试从data属性中删除'json=‘，并确保encodeURIComponent(request)是一个json对象，我猜它不是。