vue 使用定时器setInterval

<div class="cnblogs_code">

来自：https://www.jianshu.com/p/180957762852 侵删beforeMount() {
    
     self = = setInterval(_getCarPeopleStreamByEntraceBottom,3000</span><span style="color: #0000ff"&gt;function</span><span style="color: #000000"&gt; _getCarPeopleStreamByEntraceBottom() {
    </span><span style="color: #008000"&gt;//</span><span style="color: #008000"&gt;生成随机数用来测试</span>
    let totelNumber = <span style="color: #0000ff"&gt;new</span> Array(8<span style="color: #000000"&gt;);
    </span><span style="color: #0000ff"&gt;for</span> (let i = 0; i < totelNumber.length; i++<span style="color: #000000"&gt;) {
        totelNumber[i] </span>= Math.ceil(Math.random() * 10) - 1<span style="color: #000000"&gt;
    };

    let data </span>=<span style="color: #000000"&gt; {
        carInNumber: totelNumber[</span>0<span style="color: #000000"&gt;],carOutNumber: totelNumber[</span>1<span style="color: #000000"&gt;]
    };
    self.southPassagewayData </span>=<span style="color: #000000"&gt; data;
}
_getCarPeopleStreamByEntraceBottom();

},

（编辑：李大同）

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