HTTPClient发布返回错误请求400

时间:2020-06-23 00:24:21

标签: c# http

我撞到了砖墙。请帮忙。我从来没有在svc文件中遇到任何断点,所以我不知道发生了什么。

我尝试了其他几种解决方案,但没有骰子...。

我的jsonstring是

string jsonString = "[{\"details\":\"Hello World\"}]";

其他文件.cs:

[OperationContract]
        [WebInvoke(Method = "POST", UriTemplate = "updateDataViaPost", RequestFormat = WebMessageFormat.Json, ResponseFormat = WebMessageFormat.Json, BodyStyle = WebMessageBodyStyle.Bare)]
        ResponseData updateDataViaPost(RequestData rdata);

客户代码:

 using (HttpClient client = new HttpClient())
{
                client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
                var request = new StringContent(jsonString, Encoding.UTF8, "application/json");
                var response = client.PostAsync(requestUrl, request).Result;
                var result = response.Content.ReadAsStringAsync();
}

RequestData

public class RequestData
    {
        [DataMember]
        public string details { get; set; }
    }

现在可以在此处使用函数,但传递给它的rdata为null:

public Stream updateDataViaPost(RequestData rdata)
{
            
     var data = rdata.details.Split('|');

    ......

看起来该字符串需要为字符串jsonString =“ [{” details“:” Hello World“}]”“;

1 个答案:

答案 0 :(得分:0)

感谢大家的帮助!非常感谢。

现在为所有这些工作供将来参考:

[DataContract]
    public class UpdateTableData
    {
        [DataMember]
        public string TableName { get; set; }
        [DataMember]
        public string ColumnNames { get; set; }
        [DataMember]
        public string Values { get; set; }
        [DataMember]
        public string WhereColumnNames { get; set; }
        [DataMember]
        public string WhereValues { get; set; }
    }
 public string updateDataViaPost(UpdateTableData rdata)
 {
           ..... (MY UNIQUE CODE)......
}
[OperationContract]
        [WebInvoke(Method = "POST", UriTemplate = "updateDataViaPost", RequestFormat = WebMessageFormat.Json, ResponseFormat = WebMessageFormat.Json, BodyStyle = WebMessageBodyStyle.Bare)]

        //ResponseData updateDataViaPost(RequestData rdata);
        string updateDataViaPost(UpdateTableData data);
string jsonString = new JavaScriptSerializer().Serialize(updateTable);
using (HttpClient client = new HttpClient())
            {
                //POST Request

                client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
                var request = new StringContent(jsonString, Encoding.UTF8, "application/json");
                
                var response = client.PostAsync(URI, request).Result;
                var result = response.Content.ReadAsStringAsync().ConfigureAwait(false).GetAwaiter().GetResult();
                string strresult = result;
            }

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