chuck
/
custom-tool-function


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="./src/index.js"></script>
</head>
<body>
    
    <script>
        //订阅一个频道
        let pid = PubSub.subscribe('pay',data=>{
            console.log('商家接到了订单')
            console.log(data)
        })
        let pid2 = PubSub.subscribe('cancel',data=>{
            console.log('骑手接到了订单')
            console.log(data)
        })
        console.log(PubSub)
        //发布消息
        PubSub.publish('pay',{
            title:'hihi',
            price:20,
            pos:'youxi'
        })

        //取消订阅
        PubSub.unsubscribe('token_1')
        console.log(PubSub)
    </script>
</body>
</html>