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<script>
    export default {
        data(){
	      return {
            TrafficStats:'',  //TrafficStats类实例对象  
			total_data:'',    //总共接收到的流量  
			traffic_data:'',  //一定时间内接收到的流量  
			intervalId:''    //定时器的返回值,用于控制计时器的停止  
          }
        },
        created() {
            let that=this
            this.TrafficStats = plus.android.importClass("android.TrafficStats");  
            this.total_data = this.TrafficStats.getTotalRxBytes();  
            this.intervalId = setInterval(function(){
	            that.getNetSpeed()
            },1000)
        },
        methods: { 
             getNetSpeed(){
	             let total=this.TrafficStats.getTotalRxBytes()
                 //倒计时秒内接收到的流量  
	             this.traffic_data = total- this.total_data;  
	             this.total_data = total;  
            }
        }
    }
</script>

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