How to use Vue to achieve seamless scrolling effects

How to use Vue to achieve seamless scrolling effects

With the development of web development, scrolling effects have become a necessary element in many web design. In the Vue framework, we can use its responsiveness and componentization ideas to achieve a seamless scrolling effect. This article will introduce a simple method to use Vue to achieve seamless scrolling effects and provide corresponding code examples.

First, we need to create a Vue component to achieve a seamless scrolling effect. Can be named SeamlessScroll:

<template>
  <div class="seamless-scroll">
    <div class="scroll-wrap" :style="scrollStyle">
      <slot></slot>
      <slot></slot>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      scrollStyle: {
        transform: "translateX(0)",
        transition: "transform 0.5s linear"
      },
      scrollWidth: 0,
      scrollLeft: 0,
      timer: null
    };
  },
  mounted() {
    this.scrollWidth = this.$refs.scrollWrap.offsetWidth;
    this.startScroll();
  },
  methods: {
    startScroll() {
      this.timer = setInterval(() => {
        this.scrollLeft--;
        if (this.scrollLeft <= -this.scrollWidth) {
          this.scrollLeft = 0;
        }
        this.scrollStyle.transform = `translateX(${this.scrollLeft}px)`;
      }, 30);
    }
  }
};
</script>

<style scoped>
.seamless-scroll {
  overflow: hidden;
}

.scroll-wrap {
  display: inline-flex;
  white-space: nowrap;
  animation: 15s seamless-scroll infinite linear;
}

@keyframes seamless-scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-100%);
  }
}
</style>

In the above code, we create a Vue component named SeamlessScroll. The component's template contains an element called scroll-wrap to accommodate seamless scrolling of content. In the mounted hook function, we get the width of the scroll-wrap element and save it to the scrollWidth variable.

A timer is defined in the startScroll method. Every 30 milliseconds, the value of scrollLeft is decremented by 1, and the transform attribute of scrollStyle is changed according to the value of scrollLeft to achieve the scrolling effect. When scrolling to the end of the content, we reset scrollLeft to 0 to achieve seamless scrolling.

In addition, in the style, we set the overflow attribute of the seamless-scroll class to hidden to hide content beyond the scope of the container. Set the display attribute of the scroll-wrap class to inline-flex, and set the white-space attribute to nowrap to display the content in one line.

Finally, we used CSS animation to achieve the animation effect of scrolling content. By setting the initial and end states of keyframes, the effect of seamless scrolling from left to right is achieved.

To use this component to achieve a seamless scrolling effect, just reference the SeamlessScroll component in the parent component and place the content you want to scroll in it. For example:

<template>
  <seamless-scroll>
    <div class="item">内容1</div>
    <div class="item">内容2</div>
    <div class="item">内容3</div>
  </seamless-scroll>
</template>

<script>
import SeamlessScroll from '@/components/SeamlessScroll.vue';

export default {
  components: {
    SeamlessScroll
  }
};
</script>

<style>
.item {
  width: 200px;
  height: 100px;
  background: gray;
  margin-right: 20px;
}
</style>

In the above code, we place three div elements with styles in the slots of the SeamlessScroll component as the scrolling content.

Through the above steps, we can simply use Vue to achieve seamless scrolling effects. This method can be modified and adjusted according to actual needs to meet different scenarios and requirements. I hope this article can be helpful to everyone!

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