html部分  
      <div class="pages">
        <a
          @click="getData(data.pageNum - 1)"
          :class="{ default: data.pageNum == 1 }"
          >上一页</a
        >
        <a
          @click.prevent="getData(item)"
          :class="{ cur: data.pageNum == item }"
          v-for="item in data.pageCount"
          :key="item"
          >{{ item }}</a
        >
        <a
          @click="getData(data.pageNum + 1)"
          :class="{ default: data.pageNum == data.pageCount }"
          >下一页</a
        >
      </div>

export default {
  data() {
    return {
      data: {},
    };
  },
  mounted() {
    this.getData();
  },
  methods: {

    getData(page = 1) {
      const url = "news_select.php?pageNum=" + page;
// this.axios.get(`news_select.php?pageNum=${page}`).then((res) => 
      this.axios.get(url).then((res) => {
        console.log(res);
        this.data = res.data;
      });
    },
  },


<style lang="scss" scoped>
.pages {
  user-select: none;

  .default,
  .cur {
    // 不接受鼠标事件
    pointer-events: none;
  }
}