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<template>
    <div class="wraper">
         <template>
            Scroll down to see the bottom-right button.
            <el-backtop target=".wraper">
                <div
                    style="{
                        height: 100%;
                        width: 100%;
                        background-color: #f2f5f6;
                        box-shadow: 0 0 6px rgba(0,0,0, .12);
                        text-align: center;
                        line-height: 40px;
                        color: #1989fa;
                    }"
                    >
                    UP
                </div>
            </el-backtop>
          </template>
          <div>返回顶部</div>
          <div>返回顶部</div>
          <div>返回顶部</div>
          <div>返回顶部</div>
          <div>返回顶部</div>
          <div>返回顶部</div&g