Vue 运行高德地图官方样例,设置class无效的解决

<template>
  <div class="home_div">
    <div class="map_title">
      <h3>JSAPI Vue2地图组件示例</h3>
    </div>
    <div id="container"></div>
  </div>
</template>
<script>
import AMapLoader from "@amap/amap-jsapi-loader";
export default {
  name: "Mapview",
  data() {
    return {
      //map:null,
    };
  },
  created() {},
  mounted() {
    this.initAMap();
  },
  methods: {
    initAMap() {
      AMapLoader.load({
        key: "设置自己的key", //设置您的key
        version: "2.0",
        plugins: ["AMap.ToolBar", "AMap.Driving"],
        AMapUI: {
          version: "1.1",
          plugins: [],
        },
        Loca: {
          version: "2.0",
        },
      })
        .then((AMap) => {
          var map = new AMap.Map("container", {
            viewMode: "3D",
            zoom: 5,
            zooms: [2, 22],
            center: [105.602725, 37.076636],
          });
          var marker = new AMap.Marker({
            position: map.getCenter(),
            icon: "//a.amap.com/jsapi_demos/static/demo-center/icons/poi-marker-default.png",
            anchor: "bottom-center",
            offset: new AMap.Pixel(0, 0),
          });
          marker.setMap(map);
          // 设置鼠标划过点标记显示的文字提示
          marker.setTitle("我是marker的title");
          // 设置label标签
          // label默认蓝框白底左上角显示，样式className为：amap-marker-label
          marker.setLabel({
            direction: "top",
            offset: new AMap.Pixel(10, 0), //设置文本标注偏移量
            content: "<div class='info'>我是 marker 的 label 标签</div>", //设置文本标注内容
          });
        })
        .catch((e) => {
          console.log(e);
        });
    },
  },
};
</script>

<style  >
.home_div {
  padding: 0px;
  margin: 0px;
  width: 100%;
  height: 100%;
  position: relative;
}
#container {
  padding: 0px;
  margin: 0px;
  width: 100%;
  height: 100%;
  position: absolute;
  
}
.map_title {
  position: absolute;
  z-index: 1;
  width: 100%;
  height: 50px;
  background-color: rgba(27, 25, 27, 0.884);
}
h3 {
  position: absolute;
  left: 10px;
  z-index: 2;
  color: white;
}
.amap-icon img {
  width: 25px;
  height: 34px;
}
.amap-marker-label {
  border: 0;
  background-color: transparent;
}
.info {
  position: relative;
  margin: 0;
  top: 0;
  right: 0;
  min-width: 0;
}
</style>