图片和文字在一个盒子里水平居中两个思路

<template>
  <div class="header">
    <span class="icon"></span>
    <h1 class="text">hahahfds</h1>
  </div>
</template>

<script>
export default {
      
      
  name: 'm-header'
}
</script>

<style lang="scss" scoped>
.header {
      
      
  height: 44px;
  text-align: center;
  // color: $color-theme;
  // color:black;
  background-color: black;
  font-size: 0;
  .icon {
      
      
    display: inline-block;
    vertical-align: top;
    margin-top: 6px;
    width: 30px;
    height: 32px;
    margin-right: 9px;
    background-image: url(https://img-blog.csdnimg.cn/a0d98281da88480aa8be2e0dbda23fd6.jpg);
    background-size: 30px 32px;
  }
  .text {
      
      
    display: inline-block;
    vertical-align: top;
    line-height: 44px;
    color: aqua;
    font-size: 9px;
  }
}
</style>

flex布局

<template>
  <div class="header">
    <img
      class="img"
      src="https://img-blog.csdnimg.cn/a0d98281da88480aa8be2e0dbda23fd6.jpg"
    />
    <h1 class="text">chicken</h1>
  </div>
</template>

<script>
export default {
      
      
  name: "m-header",
};
</script>

<style lang="scss" scoped>
.header {
      
      
  width: 100%;
  height: 40px;
  background-color: blue;
  display: flex;
  align-items: center;
  justify-content: center;
  .img {
      
      
    // display: inline-block;
    height: 30px;
    width: auto;
    margin-right: 6px;
  }
  .text {
      
      
    // display: inline-block;
    font-size: 10px;
  }
}
</style>