如何从REST Web服务返回自定义值

本文关键字：返回 自定义 服务 Web REST | 更新日期: 2023-09-27 18:08:11

我在我的项目中使用REST web服务，它的返回值是json格式，如下所示:

[{"MsgID":"92817137","Status":"0","SendTime":"2014-06-11 14:17:40","DeliverTime":"0000-00-00 00:00:00"}]

但是我不需要所有这些，我只需要"雕像"标签。我怎么能做到呢?

我的代码是这样的: 
    private void btnCheckStatus_Click(object sender, EventArgs e)
    {
        Uri address = new Uri("http://www.asanak.ir/webservice/v1rest/msgstatus");
        // Create the web request
        HttpWebRequest request = WebRequest.Create(address) as HttpWebRequest;
        // Set type to POST
        request.Method = "POST";
        request.ContentType = "application/x-www-form-urlencoded";
        // Create the data we want to send
        StringBuilder data = new StringBuilder();
        data.Append("username=" + textUserName.Text.Trim());
        data.Append("&password=" + textPassword.Text.Trim());
        data.Append("&msgid=" + textMsgId.Text.Trim());
        // Create a byte array of the data we want to send
        byte[] byteData = UTF8Encoding.UTF8.GetBytes(data.ToString());
        // Set the content length in the request headers
        request.ContentLength = byteData.Length;
        // Write data
        using (Stream postStream = request.GetRequestStream())
        {
            postStream.Write(byteData, 0, byteData.Length);
        }
        // Get response
        using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)
        {
            StreamReader reader = new StreamReader(response.GetResponseStream());
            textResult.Text = reader.ReadToEnd();
        }
    }

我希望我的返回值是这样的:"Status":"0"

谢谢

如何从REST Web服务返回自定义值

如果您不能更改webservice的方法使其只返回您需要的值，那么唯一的方法是在代码中自定义响应。

// Get response
using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)
{
    StreamReader reader = new StreamReader(response.GetResponseStream());
    //add your code here to customize the return value
    var array = Newtonsoft.Json.Linq.JArray.Parse(reader.ReadToEnd());
    var jObject = new Newtonsoft.Json.Linq.JObject();
    jObject.Add("Status", array[0].Value<string>("Status"));
    textResult.Text = jObject.ToString();
}
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