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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