var config = {
  key:'请在此填入你申请的key'
}
module.exports.Config = config;

var amapFile = require('../../libs/amap-wx.js');
var config = require('../../libs/config.js');

<scroll-view scroll-x class="bg-white nav text-center">
  <view class="cu-item {{index==TabCur?'text-blue cur':''}}" wx:for="{{4}}" wx:key bindtap="tabSelect" data-id="{{index}}">
    {{method[index]}}
  </view>
</scroll-view>
<view class="map">
 <view bindtap='getFormAddress'>
  <view class="cu-form-group">
    <view class="title">出发地</view>
    <input placeholder="出发地" type="text" name="" bindinput="" value='{{markers[0].name}}' />
  </view>
 </view>
 <view bindtap='getToAddress'>
  <view class="cu-form-group">
    <view class="title">目的地</view>
    <input placeholder="目的地" type="text" name="" bindinput="" value='{{markers[1].name}}' />
  </view>
 </view>
?
  <view class="flex" wx:if="{{TabCur==0||TabCur==1}}">
    <button class="cu-btn bg-blue lg" bindtap = 'getSure'>确定</button>
  </view>
?
</view>
<view>
  <view class="map_box" wx:if="{{TabCur==0}}">
    <map id="navi_map" longitude="{{markers[0].longitude}}" latitude="{{markers[0].latitude}}" scale="12" markers="{{markers}}" polyline="{{polyline}}"></map>
  </view>
  <view class="text_box" wx:if='{{TabCur==0}}'>
    <view class="text">{{distance}}</view>
    <view class="text">{{cost}}</view>
    <view class="detail_button" bindtouchstart="goDetail" wx:if="{{state==1}}">详情</view>
  </view>
</view>

var amapFile = require('../../libs/amap-wx.js');
var config = require('../../libs/config.js');
const app = getApp()
Page({ 
 /**
 * 页面的初始数据
 */
 data: {
  markers: [{
    iconPath: "../../img/mapicon_navi_s.png",
    id: 0,
    latitude: 39.989643,
    longitude: 116.481028,
    width: 23,
    height: 33
  },{
    iconPath: "../../img/mapicon_navi_e.png",
    id: 0,
    latitude: 39.90816,
    longitude: 116.434446,
    width: 24,
    height: 34
  }],
 distance: '',
 cost: '',
 state: 0,
 method:['驾车','公交','骑行','步行'],
 index:0,
 TabCur:0,
 polyline: [],
 transits: []
 }, 
 /**
 * 生命周期函数--监听页面加载
 */
 onLoad: function(options) {
 var that = this;
 wx.showLoading({
  title: "定位中",
  mask: true
 })
 wx.getLocation({
  type: 'gcj02',
  altitude: true, //高精度定位
  success: function(res) {
  console.info(res);
  var latitude = res.latitude
  var longitude = res.longitude
  var speed = res.speed
  var accuracy = res.accuracy
  that.setData({
    markers: [{
    name: '当前位置',
    latitude: latitude,
    longitude: longitude
    }, {
    name: '您要去哪儿?',
    latitude: '',
    longitude: ''
    }]
   })
   },
   fail: function() {
   wx.showToast({
    title: "定位失败",
    icon: "none"
   })
   }, 
   complete: function() {
   wx.hideLoading()
   }
  })
 },
    //选择器改变函数
 tabSelect(e) {
  this.setData({
    TabCur: e.currentTarget.dataset.id,
    scrollLeft: (e.currentTarget.dataset.id - 1) * 60
  })
},
//获取出发地
 getFormAddress: function() {
 var that = this;
 wx.chooseLocation({
  success: function(res) {
  var name = res.name
  var address = res.address
  var latitude = res.latitude
  var longitude = res.longitude
  var markesName = "markers[" + 0 + "].name";
  var markesLatitude = "markers[" + 0 + "].latitude";
  var markeslongitude = "markers[" + 0 + "].longitude";
  var markesiconPath = "markers[" + 0 + "].iconPath";
  that.setData({
   [markesName]: name,
   [markesLatitude]: latitude,
   [markeslongitude]: longitude,
   [markesiconPath]: "../../img/mapicon_navi_s.png"
  })
  },
  fail: function() {
  wx.showToast({
   title: '定位失败',
   icon: "none"
  })
  },
  complete: function() {
  //隐藏定位中信息进度
  wx.hideLoading()
  }
 })
 }, 
//获取目的地
 getToAddress: function() {
 var that = this;
 wx.chooseLocation({
  success: function(res) {
  console.log(res);
  var name = res.name
  var address = res.address
  var latitude = res.latitude
  var longitude = res.longitude
  var markesName = "markers[" + 1 + "].name";
  var markesLatitude = "markers[" + 1 + "].latitude";
  var markeslongitude = "markers[" + 1 + "].longitude";
  var markesiconPath = "markers[" + 1 + "].iconPath";
  that.setData({
   [markesName]: name,
   [markesLatitude]: latitude,
   [markeslongitude]: longitude,
   [markesiconPath]: "../../img/mapicon_navi_e.png"
  })
  },
  fail: function() {
  wx.showToast({
   title: '定位失败',
   icon: "none"
  })
  },
  complete: function() {
  //隐藏定位中信息进度
  wx.hideLoading()
  }
 })
 },
 /**
 * 确定
 */
 getSure: function() {
 var that = this;
 var origin = that.data.markers[0].longitude + ',' + that.data.markers[0].latitude;//出发地
var destination = that.data.markers[1].longitude + ',' + that.data.markers[1].latitude; //目的地
var TabCur=this.data.TabCur;
app.origin = origin;
app.destination = destination;
var key = config.Config.key;
var myAmapFun = new amapFile.AMapWX({
  key: key
 });
  if(TabCur==0){
      myAmapFun.getDrivingRoute({//获取驾车路线
      origin: origin,
      destination: destination,
      success: function(data) {
      var points = [];
      if (data.paths && data.paths[0] && data.paths[0].steps) {
      var steps = data.paths[0].steps;
      for (var i = 0; i < steps.length; i++) {
      var poLen = steps[i].polyline.split(';');
      for (var j = 0; j < poLen.length; j++) {
        points.push({
        longitude: parseFloat(poLen[j].split(',')[0]),
        latitude: parseFloat(poLen[j].split(',')[1])
        })
      }
      }
      }
      that.setData({//将路线在地图上画出来
      state: 1,
      polyline: [{
      points: points,
      color: "#0091ff",
      width: 6
      }]
      });
      if (data.paths[0] && data.paths[0].distance) {
      that.setData({
      distance: data.paths[0].distance + '米'
      });
      }
      if (data.taxi_cost) {
      that.setData({
      cost: '打车约' + parseInt(data.taxi_cost) + '元'
      });
      }
      }
    })
  }
 },
/**
 * 详情页
 */
goDetail: function() {
     var TabCur=this.data.TabCur;
     if(TabCur==0){
      wx.navigateTo({
        url: '../detail/detail'
       })
    }
 },
})　

.flex-style{
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
 }
 .flex-item{
  height: 35px;
  line-height: 35px;
  text-align: center;
  -webkit-box-flex: 1;
  -webkit-flex: 1;
  flex: 1
 }
 .flex-item.active{
  color:#0091ff;
 }
 .map_title{
  position:absolute;
  top: 10px;
  bottom: 110px;
  left: 0px;
  right: 0px;
 }
 .map_btn{
  position:absolute;
  top: 150px;
  bottom: 220px;
  left: 0px;
  right: 0px;
 }
 .map_box{
  position:absolute;
  top: 187px;
  bottom: 70px;
  left: 0px;
  right: 0px;
 }
 #navi_map{
  width: 100%;
  height: 100%;
 }
 .text_box{
  
  position:absolute;
  height: 70px;
  bottom: 0px;
  left: 0px;
  right: 0px;
 }
 .text_box .text{
  margin: 15px;
 }

<view class="text_box" wx:for="{{steps}}" wx:for-item="i" wx:key="j">
 {{i.instruction}}
</view>

var amapFile = require('../../libs/amap-wx.js');
var config = require('../../libs/config.js');
const app = getApp()
Page({
 data: {
 steps: {}
 },
 onLoad: function () {
 var that = this;
 var key = config.Config.key;
 var myAmapFun = new amapFile.AMapWX({ key: key });
 myAmapFun.getDrivingRoute({
  origin: app.origin,
  destination: app.destination,
  success: function (data) {
  if (data.paths && data.paths[0] && data.paths[0].steps) {
   that.setData({
   steps: data.paths[0].steps
   });
  }
  },
  fail: function (info) {
  }
 })
 }
})

Page{
 
}
.text_box{
  margin: 0 15px;
  padding: 15px 0;
  border-bottom: 1px solid #c3c3c3;
  font-size: 13px;
}
.text_box .text_item{display:inline-block;line-height: 8px;}