WebAPI：用于从站向主站推送相关内容
从站编写：
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Text;
public static class WebAPIClientHelper
{
// 主站的IP地址
private static string url = "http://XXXXX:2002/api/push/";
/// <summary>
/// 外部调用：发送 string + 指定类型
/// </summary>
public static bool Send(string message, 指定类型 参数名)
{
try
{
// 组装要发送的数据
var sendObj = new
{
Message = message,
Parameter = parameter
};
// 转JSON
string json = JsonConvert.SerializeObject(sendObj);
byte[] data = Encoding.UTF8.GetBytes(json);
// 使用 .NET4.0 自带的 WebClient（不报错！）
using (WebClient client = new WebClient())
{
client.Headers[HttpRequestHeader.ContentType] = "application/json";
byte[] result = client.UploadData(url, "POST", data);
string resp = Encoding.UTF8.GetString(result);
}
return true;
}
catch
{
return false;
}
}
}
主站编写：
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Text;
using System.Threading;
public class WebAPIServer
{
private HttpListener _listener;
private bool _isRunning;
private Plugin plugin;
public void Start()
{
_listener = new HttpListener();
_listener.Prefixes.Add("http://*:2002/api/push/");//监听
_listener.Start();
_isRunning = true;
System.Threading.ThreadPool.QueueUserWorkItem(o =>
{
while (_isRunning)
{
try
{
var context = _listener.GetContext();
ProcessRequest(context);
}
catch { }
}
});
}
public WebAPIServer(Plugin pluginInstance)
{
plugin = pluginInstance ?? throw new ArgumentNullException(nameof(pluginInstance), "插件实例不能为null");
}
private void ProcessRequest(HttpListenerContext context)
{
try
{
using (var reader = new StreamReader(context.Request.InputStream, Encoding.UTF8))
{
string json = reader.ReadToEnd();
var data = JsonConvert.DeserializeObject<ReceiveData>(json);
string msg = data.Message;
MethodRuningParameter param = data.Parameter;
if (msg == "start")
{
RunStartTask(param);
}
else
{
RunDefault(msg, param);
}
var resp = new { code = 200, msg = "接收成功" };
string respJson = JsonConvert.SerializeObject(resp);
byte[] respBytes = Encoding.UTF8.GetBytes(respJson);
context.Response.ContentType = "application/json";
context.Response.OutputStream.Write(respBytes, 0, respBytes.Length);
}
}
catch
{
context.Response.StatusCode = 500;
}
finally
{
context.Response.Close();
}
}
private void RunStartTask(MethodRuningParameter p)
{
//业务逻辑
}
========================================================================
private void RunDefault(string msg, MethodRuningParameter p)
{
Console.WriteLine($"【默认处理】消息={msg}");
}
public void Stop()
{
_isRunning = false;
_listener?.Stop();
_listener?.Close();
}
}
//==================================================
// 定义接收实体
//==================================================
public class ReceiveData
{
public string Message { get; set; }
public MethodRuningParameter Parameter { get; set; }
}
}