js控制GIF图片播放暂停

js控制GIF图片播放暂停

1.效果如下：

预览页：https://volodyan.github.io/vue3_poject_template_preview/#/

2.使用libgif.js库

3.源码如下：

<template>
  <div class="SuperGifComponents">
    <div class="imgbox">
      <img
        id="example1"
        :src="imgUrl"
        :rel:animated_src="imgUrlGIF"
        rel:auto_play="0"
        width="467"
        height="375"
      />
    </div>

    <div class="Buttonbox">
      <div
        v-for="(item, index) in tabrooms"
        :key="index"
        class="itembox"
        @click="tabClickfun(item, index)"
      >
        {{ item }}
      </div>
    </div>
  </div>
</template>
<script>
import SuperGif from "./libgif/libgif.js";
export default {
  name: "SuperGifComponents",
  data() {
    return {
      tabrooms: ["Pause", "Play", "Restart", "Step forward", "Step back"],
      imgUrl: require("@/assets/img/fish.png"),
      imgUrlGIF: require("@/assets/img/fish.gif"),
      sup1: null,
    };
  },
  async mounted() {
    try {
      this.InitSuperGif();
    } catch (e) {
      console.error("程序错误", e);
    }
  },
  methods: {
    InitSuperGif() {
      console.log("SuperGif", SuperGif);
      // 通过异步函数，获取gif文件
      var sup1 = new SuperGif({
        gif: document.getElementById("example1"),
        progressbar_foreground_color:"#9254de",
        progressbar_background_color :"#ebeef5",
        progressbar_height:10
      });

      sup1.load();
      this.sup1 = sup1;
    },
    tabClickfun(item, index) {
      //["Pause", "Play", "Restart", "Step forward", "Step back"]
      if (item === "Pause") {
        this.sup1.pause();
      } else if (item === "Play") {
        this.sup1.play();
      } else if (item === "Restart") {
        this.sup1.move_to(0);
      } else if (item === "Step forward") {
        this.sup1.move_relative(1);
      } else if (item === "Step back") {
        this.sup1.move_relative(-1);
      }
    },
  },
};
</script>
 
<style lang="scss" scoped>
.SuperGifComponents {
   60%;
  .imgbox {
     60%;
  }
  .Buttonbox {
    display: flex;
    flex-flow: row nowrap;
    margin: 30px;
    .itembox {
      //  86px;
      padding: 0 15px;
      height: 32px;
      line-height: 32px;
      text-align: center;
      white-space: nowrap;
      cursor: pointer;
      background: coral;
      margin-right: 10px;
      color: #fff;
      &:hover {
        background: rgb(219, 148, 122);
      }
    }
  }
}
</style>