【大前端vue：组件】vue鼠标滑动：平滑滚动效果 向左、向右

<template>
  <div class="tab-container">
    <div class="tab-wrapper">
      <h2 class="main-title">鼠标滑动：平滑滚动效果  向左、向右</h2>
      <div class="tab-nav">
        <div
          v-for="(item, index) in tabList"
          :key="index"
          class="tab-item"
          :class="{ active: currentIndex === index }"
          @click="handleTabClick(index)"
        >
          {{ item.name }}
        </div>
        <!-- 滑动的下划线 -->
        <div
          class="sliding-line"
          :style="{
            transform: `translateX(${currentIndex * 100}%)`,
            width: `${100 / tabList.length}%`,
          }"
        >
          <div class="sliding-line-line"></div>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
export default {
  name: "HuadongIndex",
  data() {
    return {
      currentIndex: 0,
      tabList: [
        { name: "类型1", id: 1 },
        { name: "类型2", id: 2 },
        { name: "类型3", id: 3 },
      ],
    };
  },
  methods: {
    handleTabClick(index) {
      this.currentIndex = index;
    },
  },
};
</script>

<style scoped>
.tab-container {
  width: 100%;
  background-color: #f5f9ff;
  padding: 40px 0;
}

.tab-wrapper {
  width: 1200px;
  margin: 0 auto;
  background-color: #fff;
  padding: 30px;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.main-title {
  text-align: center;
  font-size: 28px;
  color: #333;
  margin-bottom: 40px;
}

.tab-nav {
  display: flex;
  justify-content: center;
  position: relative;
  padding-bottom: 2px;
  width: 900px;
  height: 50px;
  background: #ccc;
  align-items: center;
}

.tab-item {
  position: relative;
  padding: 0 40px;
  height: 50px;

  font-size: 16px;
  color: #666;
  cursor: pointer;
  transition: color 0.3s;
  text-align: center;
  flex: 1;
  width: 200px;
  background: pink;
  border: 1px solid red;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tab-item.active {
  color: #1890ff;
  font-weight: 500;
}

.sliding-line {
  position: absolute;
  bottom: -2px;
  left: 0;
  height: 2px;
  /* background-color: #1890ff; */
  transition: transform 0.3s ease;
  border-radius: 1px;
  width: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sliding-line-line {
  height: 2px;
  width: 221px;
  background-color: red;
}

/* 鼠标悬停效果 */
.tab-item:hover {
  color: #1890ff;
}
</style>


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