<div class="btnBox" v-show="isOriginHei">

　　　　<div class="btn" >提交</div>

</div>

vue项目项目中在mountd里面获取视图的高度

mounted() {

       const that = this

     window.onresize = () => {

                return (() => {

            window.screenHeight= document.body.clientHeight

                  that.screenHeight= window.screenHeight

            })()

}

},

 

watch: {

screenHeight(val) {

this.screenHeight= val

if(this.originHeight != val) {

this.isOriginHei = false;

}else{

this.isOriginHei = true;

}

},

}