小程序地图的使用笔记

wx.getLocation({
      type: ‘wgs84‘,
      success: function (res) {
        latitude = res.latitude
        longitude = res.longitude
        var speed = res.speed
        var accuracy = res.accuracy
      },
      fail: function (res) {
        console.log(res)
      },
      complete: function (res) {
        console.log(‘Complete‘)
      }
    }) 

qqmapsdk.reverseGeocoder({
      location: {
        latitude: latitude,
        longitude: longitude
      },
      success: function(res){
        //console.log(res)
        cityName = res.result.address_component.city
        console.log(cityName)
      },
      fail: function (res) {
        console.log(res);
      },
      complete: function (res) {
        console.log(‘获取当前城市完成‘);
      }
    })

qqmapsdk.getSuggestion({
      keyword: inputData,
      region: cityName,
      success: function (res) {
        let searchData = res.data
        console.log(searchData);
        that.setData({searchPlace: searchData})
      },
      fail: function (res) {
        console.log(res);
      },
      complete: function (res) {
        console.log(res);
      }
    });

placeChoose: function (options){
    //console.log(options)
    let location = options.currentTarget.dataset.location
    wx.setStorageSync(‘location‘, location)
    console.log(wx.getStorageSync(‘location‘))
    wx.navigateBack({
      // 返回的页面数
      data: 1
    })
  }

//前往搜索地
  goSearchPlace: function(){
    let that = this
    let searchLat = wx.getStorageSync(‘location‘).lat
    let searchLon = wx.getStorageSync(‘location‘).lng
    wx.request({
      url: ‘https://apis.map.qq.com/ws/direction/v1/driving/?from=24.488476,118.096247&to=‘ + searchLat + ‘,‘ + searchLon + ‘&output=json&callback=cb&key=22VBZ-REEK5-WVSI7-QKCOP-QPM6E-W7BPO‘,
      success: function (res) {
        coors = res.data.result.routes[0].polyline
        for (var i = 2; i < coors.length; i++) {
          coors[i] = coors[i - 2] + coors[i] / 1000000
        }
        console.log(coors)
        that.project()
      }
    })
  }

project: function(){
    var b=[]
    for (var i=0;i<coors.length;i=i+2){
      b[i / 2] = {
        latitude: coors[i], longitude: coors[i + 1]
      }
      console.log(b[i / 2])
    }
    console.log(b.length)
    that2.setData({
      polyline: [{
        points: b,
        color: "#9999FF",
        width: 4,
        dottedLine: false
      }]
    })
  }