c# HttpWebRequest 异步请求_c#异步请求

c# HttpWebRequest 异步请求

rainAlgo.uuid = this.algoProject.UUID;
trainAlgo.task = this.algoProject.Task;
trainAlgo.projectName = this.tb_projectName.Text.Trim();
trainAlgo.epoch = this.tb_epoch.Text.Trim();
trainAlgo.imgsz = this.tb_height.Text.Trim();
trainAlgo.device = this.tb_device.Text.Trim();
trainAlgo.batch = this.tb_batch.Text.Trim();
trainAlgo.weights = this.tb_weights.Text.Trim();
trainAlgo.save_loacal_path = "";
trainAlgo.project = this.tb_SaveDir.Text.Trim();
trainAlgo.data_yaml = this.dataYamlSPath;
trainAlgo.algoCategory = this.tb_algoCategory.Text.Trim();

// 2. 发送请求（初始化模型）
string url = "http://127.0.0.1:5000/init_algo";

JObject train_param = JObject.FromObject(trainAlgo);

// 初始化模型
api.GET_V2(url, train_param);
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public void GET_V2(string url, JObject param)
{
    try
    {
        // 拼接访问字符串
        if (param != null) //有参数的情况下，拼接url
        {
            url = url + "?";
            foreach (var item in param)
            {
                url = url + item.Key + "=" + item.Value + "&";
            }
            url = url.Substring(0, url.Length - 1);
        }

        HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;//创建请求
        request.Method = "GET";//这里是POST请求，可以改成GET
        request.ContentType = "application/x-www-form-urlencoded";
        request.BeginGetResponse(new AsyncCallback(Compleate), request);
    }
    catch
    {
        MessageBox.Show("请求失败.");
    }
}

public static void Compleate(IAsyncResult asyncResult)
{
    try
    {
        HttpWebRequest req = (asyncResult.AsyncState as HttpWebRequest);
        HttpWebResponse res = req.EndGetResponse(asyncResult) as HttpWebResponse;
        StreamReader reader = new StreamReader(res.GetResponseStream());

        MessageBox.Show(reader.ReadToEnd());
    }
    catch
    {
        MessageBox.Show("获取失败.");
    }
}

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public static void HttpPost(string Url)
{
    try
    {
        HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url）;

        request.Method = "POST";//这里是POST请求，可以改成GET
        request.ContentType = "application/x-www-form-urlencoded";
        request.BeginGetResponse(new AsyncCallback(Compleate), request);
    }
    catch
    {
        MessageBox.Show("请求失败.");
    }
}

public static void Compleate(IAsyncResult asyncResult)
{
    try
    {
        HttpWebRequest req = (asyncResult.AsyncState as HttpWebRequest);
        HttpWebResponse res = req.EndGetResponse(asyncResult) as HttpWebResponse;
        StreamReader reader = new StreamReader(res.GetResponseStream());

        MessageBox.Show(reader.ReadToEnd());
    }
    catch
    {
        MessageBox.Show("获取失败.");
    }
}

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