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父级设置 为 block ;

子级 用 float 浮动

  <h3 slot="title" class="category__header-title">
          <Icon type="ios-paper-outline" color="#2D8cF0" size="25"/>
             数据管理
            <div class="pull-right">
                    <Button type="primary" @click="handleSubmit('formInline')" >查询</Button>
                    <Button @click="handleReset('formInline')" style="margin-left: 8px">重置 
                    </Button>
            </div>
  </h3>

  css

 .pull-right {
    float: right!important;
}
  .category__header-title {
    display: block;
  }

  效果显示:

原文地址:https://www.cnblogs.com/guangzhou11/p/10441954.html