点击按钮触发滚动条向上滚动

参考： https://www.cnblogs.com/shayloyuki/p/16916054.html

核心代码

<div class='add-main-content' ref='addMainContent'>
                  <a-button style='margin-left: 10px' type='primary' @click='nextStepView'
                  >
                    下一步
                  </a-button>
</div>

nextStepView() {
      // 滚动条提升
      this.$nextTick(() => {
        const container = this.$refs.addMainContent;
        container.scrollTop = 0;
      })
      // 表单验证
      if (!this.veritfyCurrent00FormFields()) {
        return;
      }
      this.current++;
},