vue 手写手动轮播且图片宽度不一样

vue 手写手动轮播且图片宽度不一样
轮播图样式

  <div class="case-imgs" v-if="length !== 0"><div :class="[length === 1 ? 'big' : 'small', 'imgs-wrapper']"><img class="case-img" v-for="(m, n) in activeParam.imgs" :key="n" :src="m" :alt="activeParam.name || ''"@click="handleImg(n)"></div><div class="imgs-btn-wrapper" v-show="length !== 1"><div class="left img-btn" :class="{ 'disabled': activeImgIndex === 1 }" @click="handleImgLeft()"><img class="btn" src="/img/page/btn.png" alt="" /><img class="active" src="/img/page/btn_active.png" alt="" /></div><div class="right img-btn" :class="{ 'disabled': activeImgIndex === length }" @click="handleImgRight()"><img class="btn" src="/img/page/btn.png" alt="" /><img class="active" src="/img/page/btn_active.png" alt="" /></div></div></div>

<style scoped>
/* 电脑端 */
.case-wrapper {width: 100%;margin-top: 20px;display: flex;
}.case-list-line {border-right: 2px solid rgba(0, 82, 217, 0.05);height: 100%;position: absolute;top: 0;right: 0;
}/* 左侧菜单 */
.case-menu-list {width: 160px;overflow: auto;text-align: left;font-size: 16px;font-family: Source Han Sans CN-Regula;font-weight: 400;color: #333A4A;transition: all 0.4s;/* border-right: 2px solid rgba(0,82,217,0.05); */text-align: center;position: relative;
}.menu-item {width: 100%;/* padding: 10px 0; */height: 60px;line-height: 60px;cursor: pointer;
}.menu-item.active {color: #0052d9;background: rgba(0, 82, 217, 0.03);border-right: 4px solid #0052d9;
}.menu-item:hover {color: #2A62FF;
}/* 右侧内容 */
.case-content {width: calc(100% - 150px);height: 100%;margin-left: 50px;overflow: hidden;
}.case-name {width: 100%;height: 47px;text-align: left;font-size: 20px;font-family: SourceHanSansSC-Medium;font-weight: 500;color: #333A4A;/* border-bottom: 2px solid #DCDCDC; */
}.case-imgs {margin-top: 0px;
}.imgs-wrapper {width: 100%;height: 406px;display: flex;transition: 0.3s;
}.imgs-wrapper>img {margin-right: 30px;border-radius: 3px 3px 3px 3px;cursor: pointer;
}.imgs-wrapper.big>img {/* width: calc(100% - 230px); */height: 100%;
}.imgs-wrapper.small>img {/* width: calc(100% - 230px); */height: 100%;
}/* 右侧按钮 */
.imgs-btn-wrapper {text-align: left;margin-top: 20px;display: flex;
}.img-btn {position: relative;cursor: pointer;margin-right: 12px;
}.img-btn.disabled {cursor: not-allowed;
}.img-btn.disabled:hover>.active {opacity: 0;
}.img-btn>.active {position: absolute;left: 0px;top: 0px;opacity: 0;transition: all 0.4s;
}.img-btn:hover>.active {opacity: 1;
}.left>.active {transform: rotateY(0.5turn);
}.right>.btn {transform: rotateY(0.5turn);
}.case-text {max-height: 120px;overflow: auto;text-align: left;font-size: 15px;font-family: Source Han Sans CN-Regular;font-weight: 400;color: #333A4A;margin-top: 20px;margin-bottom: 20px;
}::-webkit-scrollbar {width: 2px;height: 10px;
}::-webkit-scrollbar-thumb {border-radius: 5px;background-color: #2A62FF;
}::-webkit-scrollbar-track {background-color: #DCDCDC;
}/* 手机端 */
.phone-case {width: 100%;
}.phone-caseimg {max-width: 100%;margin-top: 20px;
}.case-name-phone {width: 100%;height: 47px;text-align: left;font-size: 20px;font-family: SourceHanSansSC-Medium;font-weight: 500;color: #333A4A;
}
</style>

下面的实现左右切换的方法

  methods: {handleMenu(e, i, param) {this.activeIndex = ithis.activeParam = paramthis.activeImgIndex = 1// 动态修改左侧菜单的高度if(this.screenWidth >560){setTimeout(() => {let height = document.querySelector('.case-content').offsetHeightdocument.querySelector('.case-menu-list').style.height = height + 'px'let ele = document.querySelector('.imgs-wrapper')ele.style.transform = 'translateX(0px)'this.length = this.activeParam.imgs.length}, 300)}},handleImgLeft() {if (this.activeImgIndex !== 1) {this.activeImgIndex--this.imgMove(false)}},handleImgRight() {if (this.activeImgIndex !== this.activeParam.imgs.length) {this.activeImgIndex++this.imgMove(true)}},handleImg(index) {if (index + 1 !== this.activeImgIndex) {this.activeImgIndex = index + 1this.imgMove()}},imgMove(flag) {let width = document.querySelectorAll('.case-img')if (flag) {width = width[this.activeImgIndex - 2].offsetWidththis.moveLeftWidth += (width + 30)} else {width = width[this.activeImgIndex - 1].offsetWidththis.moveLeftWidth -= (width + 30)}let ele = document.querySelector('.imgs-wrapper')// let moveWidth = (width + 90) * (this.activeImgIndex - 1)// ele.style.transform = 'translateX(-' + moveWidth + 'px)'ele.style.transform = 'translateX(-' + this.moveLeftWidth + 'px)'},initNum(param) {if (param < 10) {param = '0' + param;}return param}// initNum(param) {//   let arr = {//     0: '零',//     1: '一',//     2: '二',//     3: '三',//     4: '四',//     5: '五',//     6: '六',//     7: '七',//     8: '八',//     9: '九',//     10: '十',//   }//   let capNum = ''//   if (param <= 10) {//     capNum = arr[param]//   } else if (param < 20) {//     let num = Array.from(param.toString())//     capNum = '十' + arr[num[1]]//   } else if (param === 20) {//     capNum = '二十'//   } else if (param === 30) {//     capNum = '三十'//   } else if (param === 40) {//     capNum = '四十'//   } else if (param === 50) {//     capNum = '五十'//   } else if (param === 60) {//     capNum = '六十'//   } else if (param === 70) {//     capNum = '七十'//   } else if (param === 80) {//     capNum = '八十'//   } else {//     let num = Array.from(param.toString())//     capNum = arr[num[0]] + '十' + arr[num[1]]//   }//   return capNum// }}