效果图：

大家不一定非要制成菜单栏，可以看下人家的华丽效果😝，参考地址

https://travelshift.com/
大佬写的效果可比我的强多了，但是无从下手，所以就自己琢磨怎么写了，只能说效果勉强差不多 

可以通过更改data值和注释我标注的css样式处部分，就可以实现全圆的效果😄(全圆的时候会有个临界值问题，目前还没有解决，解决的话最后就不会有那种快速旋转一圈回到最开始的问题了~~~我是感觉不太舒服😭)

 

PI:360, //分布角度，默认为360deg

 

案例： 

<template><div class="overall"><div class="circle-box"><div class="circle" :style="`width:${circle_w}px;height:${circle_h}px`"><divclass="origin":style="`width:${box_w}px;height:${box_h}px;transform: rotate(${stard}deg);`"><div:style="`width:${box_w}px;height:${box_h}px;transform: rotate(${-stard}deg);`"class="img-box"v-for="(i,index) in boxNum":key="index"@click="Turn(index)"><div class="box"><div class="content">{{index+1}}</div></div></div></div></div></div></div>
</template><script>
export default {data() {return {circle_w: window.innerHeight, //圆盘的宽circle_h: window.innerHeight, //圆盘的高box_w: 350, //圆盘上覆盖的小圆点宽box_h: 350, //圆盘上覆盖的小圆点高PI:200, //分布角度，默认为360degstard: 90, //起始角度stard_s: null, //用来默认储存第一个初始值boxNum: 5, //圆盘上覆盖的小圆点个数activeIndex: 0, //默认下标};},created() {this.stard_s = this.stard;},mounted() {this.init();this.Turn(this.activeIndex);},methods: {//初始化小圆点，根据计算使其分布到对应位置init() {let box = document.querySelectorAll(".img-box");let avd = this.PI / box.length; //每一个 img-box 对应的角度let ahd = (avd * Math.PI) / 180; //每一个 img-box 对应的弧度let radius = this.circle_w / 2; //圆的半径for (let i = 0; i < box.length; i++) {box[i].style.left = Math.sin(ahd * i) * radius + "px";box[i].style.top = Math.cos(ahd * i) * radius + "px";}},//点击相对应小圆点，圆盘进行相对应角度的转动Turn(index) {let _this = this;let bx = document.querySelectorAll(".box");_this.stard = index * (_this.PI / _this.boxNum) + _this.stard_s;for (let i = 0; i < bx.length; i++) {if (i == index) {bx[i].classList.add("box-active");} else {bx[i].classList.remove("box-active");}}}}
};
</script><style lang="scss" scoped>
.overall {width: 100%;height: 100%;position: absolute;display: flex;align-items: center;justify-content: center;
}
.circle-box {position: absolute;//注释--------------------------此处显示全圆overflow: hidden;//注释----------------------此处显示全圆right: 0;//注释---------------------此处显示全圆.circle {transform: scale(0.9);width: 100%;height: 100%;border-radius: 50%;box-sizing: border-box;border: 1px solid #4d4c4c;position: relative;display: flex;justify-content: center;align-items: center;margin-left: 50%; //注释----------------此处显示全圆.origin {position: relative;transition: 0.5s; //控制圆盘的的旋转速率.img-box {user-select: none;position: absolute;top: 0;left: 0;transition: none !important;pointer-events: none;.box {pointer-events: all !important;width: 100%;height: 100%;transition: 0.3s;display: flex;justify-content: center;align-items: center;position: absolute;left: 0;top: 0;border-radius: 50%;transform: scale(0.1);cursor: pointer;color: white;font-size: 40px;background: black;overflow: hidden;&:hover {transform: scale(0.3);}&:hover .content {opacity: 1;}.content {width: 100%;height: 100%;display: flex;align-items: center;justify-content: center;opacity: 0;}}.box-active {transition-delay: 0.5s;transform: scale(1) !important;.content {opacity: 1;}}}}}
}
</style>