实现场景：通过滚动中键切换图片等

mounted() {window.addEventListener('wheel', this.handleMouseWheel, {passive: false,})
},
beforeDestroy() {window.removeEventListener('wheel', this.handleMouseWheel, {passive: false,})
},

handleMouseWheel(e) {if (!window.scrollY) {// 禁止页面滚动// e.preventDefault()if (e.wheelDelta) {// 判断浏览器IE，谷歌滑轮事件if (e.wheelDelta > 0) {this.currentActive--}if (e.wheelDelta < 0) {// 当滑轮向下滚动时this.currentActive++}} else if (e.detail) {// Firefox滑轮事件if (e.detail > 0) {// 当滑轮向下滚动时}if (e.detail < 0) {// 当滑轮向上滚动时this.currentActive--}}}
}