WCF HttpWebRequest Json 日期格式

Question

我正在尝试使用 HttpWebRequest 调用 WCF JSON 服务

http://localhost/WCFService/class/sessions?startdate=\\/Date({0})\\/&endDate=\\/Date({1})\\/

这是我的电话

日期的值为 DateTime.Now.Ticks

跟踪告诉我“字符串未被识别为有效的日期时间”。

我已尝试不逃避日期，但结果仍然相同。

Answer 1

URI 字符串中DateTime 值的格式是DateTime.Parse 可以识别的任何格式。 startDate.ToString("yyyy-MM-dd") 这样的东西效果很好。

public class StackOverflow_8472985
{
    [ServiceContract]
    public class Service
    {
        [WebGet]
        public int DiffDates(DateTime startDate, DateTime endDate)
        {
            Console.WriteLine("[service] startDate: {0}", startDate);
            Console.WriteLine("[service] endDate: {0}", endDate);
            return (int)endDate.Subtract(startDate).TotalDays;
        }
    }
    public static void Test()
    {
        string baseAddress = "http://" + Environment.MachineName + ":8000/Service";
        WebServiceHost host = new WebServiceHost(typeof(Service), new Uri(baseAddress));
        host.Open();
        Console.WriteLine("Host opened");

        WebClient c = new WebClient();
        DateTime startDate = new DateTime(2011, 1, 1, 0, 0, 0, DateTimeKind.Utc);
        DateTime endDate = new DateTime(2011, 12, 12, 0, 0, 0, DateTimeKind.Utc);

        string uri = string.Format(baseAddress + "/DiffDates?startdate={0}&endDate={1}",
            startDate.ToString("yyyy-MM-dd"),
            endDate.ToString("yyyy-MM-dd"));

        Console.WriteLine("URI: {0}", uri);
        Console.WriteLine(c.DownloadString(uri));

        Console.Write("Press ENTER to close the host");
        Console.ReadLine();
        host.Close();
    }
}