404在javascript中调用我的wcf服务时-我缺少什么？

我正在尝试调用我的WCF服务，我正在使用jQuery的AJAX。除非我弄错了，否则问题似乎是当我试图以JSON格式获取数据时。我不确定URL是否正确

这是我的service.svc.cs。我想打电话给AddNewQuery

//------------------------------------------------------------------------------
// <copyright file="WebDataService.svc.cs" company="Microsoft">
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
using System;
using System.Collections.Generic;
using System.Data.Services;
using System.Data.Services.Common;
using System.Linq;
using System.ServiceModel.Web;
using System.Web;
using System.Net;
using System.Data.Objects;
using System.Data.Entity;
using System.Net.Http;
using System.Web.Http;
using System.Web;
using System.ServiceModel.Web;

namespace BRADAPI
{
    [JSONPSupportBehavior]
    [System.ServiceModel.ServiceBehavior(IncludeExceptionDetailInFaults = true)]
    public class Service1 : System.Data.Services.DataService<BradOnlineEntities>
    {
        // This method is called only once to initialize service-wide policies.
        public static void InitializeService(DataServiceConfiguration config)
        {
            HttpContext.Current.Response.AddHeader("Access-Control-Allow-Origin", "*");
            config.SetEntitySetAccessRule("*", EntitySetRights.All);
            config.UseVerboseErrors = true;
            config.SetServiceOperationAccessRule("AddNewQuery", ServiceOperationRights.All);
            config.SetServiceOperationAccessRule("GetQueryByID", ServiceOperationRights.All);
            config.DataServiceBehavior.MaxProtocolVersion = DataServiceProtocolVersion.V3;
        }

        protected override void OnStartProcessingRequest(ProcessRequestArgs args)
        {
            base.OnStartProcessingRequest(args);
            //Cache for a minute based on querystring            
            HttpContext context = HttpContext.Current;
            HttpCachePolicy c = HttpContext.Current.Response.Cache;
            c.SetCacheability(HttpCacheability.ServerAndPrivate);
            c.SetExpires(HttpContext.Current.Timestamp.AddSeconds(60));
            c.VaryByHeaders["Accept"] = true;
            c.VaryByHeaders["Accept-Charset"] = true;
            c.VaryByHeaders["Accept-Encoding"] = true;
            c.VaryByParams["*"] = true;
        }

        [WebGet]
        public IQueryable<tblContactQuery> GetQueryByID(Guid QueryID)
        {
            IQueryable<tblContactQuery> biglist = (from c in this.CurrentDataSource.tblContactQueries where c.QueryID.Equals(QueryID) select c);
            return biglist;
        }

        [WebGet]
        public IQueryable<tblContactQuery> AddNewQuery(string QueryText, string UserID)
        {
            // Make NULL to remove compile errors   
            Guid GUserID = Guid.Parse(UserID);
            Guid QueryID = Guid.NewGuid();

            tblContactQuery C = new tblContactQuery
            {
                QueryID = QueryID,
                UserID = GUserID,
                QueryText = QueryText,
            };
            try
            {
                this.CurrentDataSource.tblContactQueries.Add(C);
                this.CurrentDataSource.SaveChanges();
                return GetQueryByID(QueryID);

            }
            catch
            {
                return GetQueryByID(QueryID);
            }
        }

    }
}

我的成功和错误块没有被命中，因为它没有命中服务。所以这不是成功或失败

---

更改我的URL有什么提示吗？

URL值参数不由

''

分隔。使用

encodeURIComponent（…）

正确转义参数

而不是

data: "UserID='" + userId + "'&" + "QueryText='" + txtQuery + "'&" + "ContactID='" + contactId + "'"

试一试

另外，根据你的一个截图，你的URL似乎是错误的。在url中是

http://stating1......com/alfapi/Service.svc/AddNewQuery?format=json?QueryText

这表示您的

url

变量已经包含一个查询，即

http://stating1......com/alfapi/Service.svc/AddNewQuery?format=json

（

？format=json

部分是url参数中的一个查询，在使用

$.ajax（…）

中的

数据时应避免使用该查询

改成

var url = 'http://stating1......com/alfapi/Service.svc/AddNewQuery';

....

    $.ajax({
        url: url,
        // move format=json from your url variable to data: part
        data: "format=json&UserID=" + encodeURIComponent(userId) + "&QueryText=" + encodeURIComponent(txtQuery) + "&ContactID=" + encodeURIComponent(contactId),
        type: "GET",
        async: false,
        datatype: "json",
        success: function (data) {
            successFlag = 1;
        },
        error: function (data) {
            successFlag == 0;
        }
    });

看
我会试试你的建议。谢谢。你说我的URL错了，我想我需要一些新的眼光。
data: "UserID=" + userId + "&QueryText=" + encodeURIComponent(txtQuery) + "&ContactID=" + encodeURIComponent(contactId),

var url = 'http://stating1......com/alfapi/Service.svc/AddNewQuery';

....

    $.ajax({
        url: url,
        // move format=json from your url variable to data: part
        data: "format=json&UserID=" + encodeURIComponent(userId) + "&QueryText=" + encodeURIComponent(txtQuery) + "&ContactID=" + encodeURIComponent(contactId),
        type: "GET",
        async: false,
        datatype: "json",
        success: function (data) {
            successFlag = 1;
        },
        error: function (data) {
            successFlag == 0;
        }
    });