帮我写一个openlayers vue加载wms服务的代码

当然可以，下面是一个简单的示例代码：

<template>
  <div id="map"></div>
</template>

<script>
import 'ol/ol.css';
import Map from 'ol/Map';
import View from 'ol/View';
import TileLayer from 'ol/layer/Tile';
import WMTS from 'ol/source/WMTS';
import WMTSTileGrid from 'ol/tilegrid/WMTS';
import {get as getProjection} from 'ol/proj';
import {getWidth, getTopLeft} from 'ol/extent';
import {getCenter} from 'ol/extent';

const layer = new TileLayer({
  source: new WMTS({
    url: 'https://my.wms.service.url.com/wms',
    layer: 'mywmslayer',
    matrixSet: 'EPSG:4326',
    format: 'image/png',
    projection: getProjection('EPSG:4326'),
    tileGrid: new WMTSTileGrid({
      origin: getTopLeft(getProjection('EPSG:4326').getExtent()),
      resolutions: [
        0.7031250000000002,
        0.3515625000000001,
        0.17578125000000006,
        0.08789062500000003,
        0.043945312500000014,
        0.021972656250000007,
        0.010986328125000003,
        0.005493164062500001,
        0.0027465820312500004,
        0.0013732910156250002,
        0.0006866455078125001,
        0.00034332275390625006,
        0.00017166137695312503,
        0.00008583068847656251,
        0.000042915344238281406,
        0.000021457672119140703
      ],
      matrixIds: [
        '0',
        '1',
        '2',
        '3',
        '4',
        '5',
        '6',
        '7',
        '8',
        '9',
        '10',
        '11',
        '12',
        '13',
        '14',
        '15'
      ]
    }),
    style: 'default'
  })
});

export default {
  name: 'MyMap',
  data() {
    return {
      map: null,
    }
  },
  mounted() {
    this.map = new Map({
      target: 'map',
      layers: [layer],
      view: new View({
        center: getCenter(getProjection('EPSG:4326').getExtent()),
        zoom: 2
      })
    });
  }
};
</script>

这个示例代码中，我们使用了 `ol` 库中的 `Map`、`View`、`TileLayer`、`WMTS`、`WMTSTileGrid`、`getProjection`、`getWidth`、`getTopLeft` 和 `getCenter` 等类或函数，用于加载 `WMS` 服务。其中，`WMS` 服务的地址是 `https://my.wms.service.url.com/wms`，图层名称是 `mywmslayer`，矩阵集是 `EPSG:4326`，输出格式是 `image/png`，投影是 `EPSG:4326`，切片网格是通过 `WMTSTileGrid` 类生成的，地图样式为默认值。我们还创建了一个名为 `MyMap` 的 Vue 组件，用于在 `mounted` 钩子函数中创建地图。在地图创建完成后，我们可以将地图添加到页面中，如：

<template>
  <div>
    <MyMap />
  </div>
</template>

<script>
import MyMap from './MyMap.vue';

export default {
  name: 'App',
  components: {
    MyMap
  }
};
</script>

希望这个示例代码能够对你有所帮助！