基于github.com/kataras/iris/websocket封装一个websocket client 通信对象-Go服务器开发

以下是一个基于github.com/kataras/iris/websocket库封装的WebSocket客户端通信对象的示例代码：

package main

import (
	"fmt"
	"log"
	"time"

	"github.com/gorilla/websocket"
)

type WebSocketClient struct {
	conn *websocket.Conn
}

func NewWebSocketClient(url string) (*WebSocketClient, error) {
	conn, _, err := websocket.DefaultDialer.Dial(url, nil)
	if err != nil {
		return nil, err
	}

	client := &WebSocketClient{
		conn: conn,
	}
	return client, nil
}

func (c *WebSocketClient) SendMessage(message string) error {
	err := c.conn.WriteMessage(websocket.TextMessage, []byte(message))
	if err != nil {
		return err
	}
	return nil
}

func (c *WebSocketClient) ReceiveMessage() (string, error) {
	_, messageBytes, err := c.conn.ReadMessage()
	if err != nil {
		return "", err
	}
	message := string(messageBytes)
	return message, nil
}

func (c *WebSocketClient) Close() error {
	err := c.conn.Close()
	if err != nil {
		return err
	}
	return nil
}

func main() {
	client, err := NewWebSocketClient("ws://localhost:8080/ws")
	if err != nil {
		log.Fatal(err)
	}

	go func() {
        for {
            // 接收消息并处理逻辑
			message, err := client.ReceiveMessage()
			if err != nil {
				log.Fatal(err)
			}
			fmt.Println("Received message:", message)
        }
    }()

    time.Sleep(time.Second)

    // 发送消息到服务器端    
	err = client.SendMessage("Hello Server!")
	if err != nil {
	    log.Fatal(err)
    }

    time.Sleep(5 * time.Second)

    // 关闭连接
	err = client.Close()
	if err != nil {
		log.Fatal(err)
	}
}

这个示例代码使用github.com/gorilla/websocket库作为WebSocket客户端的实现，并提供了发送消息、接收消息和关闭连接的功能。你可以根据自己的需求进一步扩展和优化该代码。

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