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PostMan如何联调SignalR WebSockets - 广州大雄

 1 year ago
source link: https://www.cnblogs.com/lgxlsm/p/17518719.html
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我们在调试SignalR的时候，往往要写多一个客户端对接联调。其实，在过去的几个版本中，Postman 已经能够使用 WebSocket 连接连接到 SignalR 中心并发送和接收消息。

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先观察浏览器是如何发送请求

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在PostMan模拟请求

地址输入 wss://localhost:5001/chat

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每一个消息最后还有一个结束符合 ，一定要记得，重要的事情说三遍！

{"protocol":"json","version":1}

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发送此消息后，应会看到协议已接受的响应，并且你将开始从中心接收检测信号（类型：6）消息。伟大！现在您已连接，正在与 JSON 通信，并且已准备好发送或接收有效负载消息。

{"arguments":["daXiongFans","hello world"],"invocationId":"0","streamIds":[],"target":"send","type":1}

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arguments":["daXiongFans","hello world"] 对应 Send(string name, string message) 

    public class ChatHub : Hub
    {
        public async Task Send(string name, string message)
        {
            // Call the broadcastMessage method to update clients.
            await Clients.All.SendAsync("broadcastMessage", name, message);
        }
    }
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数据发送成功，一个简单的PostMan如联调SignalR例子就是这样


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