效果图：

代码展示：

<template><view class="page-map"><view class="btn" @click="telFun()" style="text-align: center;">电话咨询</view></view>
</template>
<script>export default {data() {return {}},methods: {//拨打电话：telFun() {uni.makePhoneCall({phoneNumber: '135xxxxxxxxxx', //电话号码success: function(e) {console.log(e);},fail: function(e) {console.log(e);}})},}}
</script>
<style lang="scss" scoped></style>

注解：

uni.makePhoneCall(OBJECT)    拨打电话