微信小程序地图模块

微信小程序的地图模块官方提供的API比较少，详情请见   官方文档

以下为一个示例

                             

<!--pages/location/location.wxml-->
<view class="container">
  <view class="page-body">

    <view class="page-section page-section-gap">
      <map
        style=" 100%; height: 300px;"
        markers="{{markers}}"
        scale="15"
        circles="{{circles}}"
        include-points="{{includepoints}}"
        >
      </map>
    </view>

    <view class='page-section'>
      <slider
        min='50'
        max='500' 
        value="200" 
        bindchange="sliderChange" 
        show-value/>
      <view class="textarea-wrp">
        {{txtMsg}}
      </view>
    </view>

    <view class='page-section'>
      <view class='page-body-button'>
        <button type="normal" size='mini' bindtap='getLocation'>普通模式</button>
        <button type="normal" size='mini' bindtap='tap1'>搜寻模式</button>
      </view>
    </view>

  </view>
</view>

/* pages/location/location.wxss */
.wrapper{
  height: 100%;
  background:#fff;
}
.page-body-form-value{
  font-size: 14px;
  color:darkturquoise;
  font-weight: bold;
  padding-left: 15px;
  border: 1px solid rgb(72, 165, 131);
  border-radius: 4px;
  height: 30px;
  line-height: 30px;
}

.page-body-form-key{
  font-size:14px;
  padding: 10px;
  margin-top:15px;
  font-family: "Microsoft Yahei";
  font-weight: bold;
  height: 30px;
  line-height: 30px;
}

.page-body-button{
  text-align: center;
  line-height: 1;
}

button{
  margin: 10rpx;
}

textarea {
    
    padding: 25rpx 0;
}
.textarea-wrp {
    padding: 0 25rpx;
    background-color: #fff;
}

// pages/location/location.js
var timer1;
Page({
  /**
   * 页面的初始数据
   */
  data: {
        location:{},
        markers: [{    //标记点
            iconPath: "/images/user.png",
            id: 0,
            latitude: 23.099994,
            longitude: 113.324520,
        }, {
            iconPath: "/images/dog.png",
            id: 1,
            latitude: 23.099994,
            longitude: 113.324520,
        }],
        circles: [{ //圆
            latitude: 23.099994,
            longitude: 113.324520,
            color: '#FFFFFFAA',
            fillColor: '#90EE90AA',
            radius: 200
        }],
        includepoints: [],
  },
  
  sliderChange: function (e) {
      this.setData({
          'circles[0].radius': e.detail.value
      })
  },
  //获取当前位置信息
    getLocation: function(e){
        var that = this
        wx.getLocation({
            success: function(res) {
                console.log('getLocation success:',res)
                that.setData({  //修改markers[0]位置信息（人）
                    'markers[0].latitude': res.latitude,
                    'markers[0].longitude': res.longitude,
                })
                console.log(that.data.markers)
            }
        })
    },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
  },

  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady: function () {
  },

  /**
   * 生命周期函数--监听页面显示
   */
  onShow: function () {
      var that = this;
      //定时设置人的位置信息
      timer1 = setInterval(function () {
          wx.getLocation({
              success: function (res) {
                  console.log('获取定位信息成功，', res.latitude, res.longitude);
                  var points = [{ latitude: res.latitude, longitude: res.longitude },
                  { latitude: that.data.markers[1].latitude, longitude: that.data.markers[1].longitude }]
                  that.setData({
                      'markers[0].latitude': res.latitude,
                      'markers[0].longitude': res.longitude,
                      includepoints: points,   //---------包含点  看location.wxml
                      'circles[0].latitude': res.latitude,
                      'circles[0].longitude': res.longitude,
                  })
                  console.log(that.data.markers)
              },
              fail: function () {
                  console.log('获取定位信息失败');
              }
          })
      }, 5000);
  },

  /**
   * 生命周期函数--监听页面隐藏
   */
  onHide: function () {
      clearInterval(timer1);
  },

  /**
   * 生命周期函数--监听页面卸载
   */
  onUnload: function () {
  },
  /**
   * 页面相关事件处理函数--监听用户下拉动作
   */
  onPullDownRefresh: function () {
  },
  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom: function () {
  },
  /**
   * 用户点击右上角分享
   */
  onShareAppMessage: function () {
  }
})