首先微信公众平台开通权限

app.json

 "permission":{
    "scope.userLocation": {
      "desc": "您的位置信息将用于获取周围门店信息"
    }
  },
  "requiredPrivateInfos": [
		"getLocation"
	],
 "sitemapLocation": "sitemap.json",

index.js

 onLoad: function () {
this.getLocation()
},
 getLocation() {
   
    console.log('pppp')
    var that = this;
    wx.getLocation({
      type: 'wgs84',
      success (res) {
        console.log(res)
        const latitude = res.latitude
        const longitude = res.longitude
        const speed = res.speed
        const accuracy = res.accuracy
        console.log(res) //将获取到的经纬度信息输出到控制台以便检查
     

        that.setData({ //将获取到的经度、纬度数值分别赋值给本地变量
          latitude: res.latitude,
          longitude: res.longitude,
          location:res.latitude+','+res.longitude
        })
        console.log(res.latitude+','+res.longitude)
        wx.setStorageSync('location', res.latitude+','+res.longitude)//arr是要存的数据
        
      },
      fail(err){
        console.log(err);
      }
     })
  },