刚才在社区逛了一圈发现并没有这个的示例 或者文档上关于轨迹回放的介绍   之前有个同学提问了  有个小姐姐回答的那个链接好像失效了.. 希望能得到一些支持 谢谢 [使用polyline 进行绘制地图路线  然后循环经纬度坐标 使用MapContext.translateMarker来平滑光标点] 已经实现  后来的可以看下这个思路  2020-02-25------------------------------ 好吧 为了避免长时间不打开平台有些同学找我找不到把自己微信号贴上 紧急的可以加一下, 这周会写个详细的教程放上来 供大家参考 [图片]

小程序第一次授权获取不到openid，需要重新编译一下之后才能获取。 代码如下： 这是授权过了走的代码：     wx.getSetting({       success: function (res) {         if (res.authSetting['scope.userInfo']) {           wx.getUserInfo({             success: function (res) {               that.setData({                 avatarUrl: res.userInfo.avatarUrl,                 userInfo: res.userInfo               }),                 // 用户已经授权过,不需要显示授权页面,所以不需要改变 isHide 的值                 // 根据自己的需求有其他操作再补充                 // 我这里实现的是在用户授权成功后，调用微信的 wx.login 接口，从而获取code                 wx.login({                   success: res => {                     // 获取到用户的 code 之后：res.code                     //console.log("用户的code:" + res.code);                     that.setData({                       code: res.code                     }),                       //请求获取openid                       wx.request({                         url: app.globalData.url + '/appInterface/getOpenid.do?code=' + res.code,                         //url: app.globalData.url + '/appInterface/getOpenid.do',                         method: 'GET',                         // data:{                         //   code: res.code                         // },                         header: {                           'Content-Type': 'application/json'                         },                         success: function (ares) {                           //将openid设置为所有页面都能访问                           app.globalData.openid = ares.data.obj                           //默认请求注册会员                           // wx.request({                           //   url: app.globalData.url + '/appInterface/addUser.do',                           //   data: {                           //     userOpenid: ares.data.obj,                           //     userNick: that.data.userInfo.nickName,                           //     userHadimag: that.data.userInfo.avatarUrl                           //   },                           //   method: 'POST',                           //   header: {                           //     'Content-Type': 'application/x-www-form-urlencoded'                           //   },                           //   success: function (bres) {                           //   }                           // })                         }                       })                     //授权成功跳转到首页                     wx.reLaunch({                       url: '/pages/login/login'                     })                   }                 });             }           });         } else {           // 用户没有授权           // 改变 isHide 的值，显示授权页面           that.setData({             isHide: true           });         }       }     }); 这是第一次授权时走的代码：   bindGetUserInfo: function (e) {     if (e.detail.userInfo) {       //用户按了允许授权按钮       var that = this;       // 获取到用户的信息了，打印到控制台上看下       console.log("用户的信息如下：");       console.log(e.detail.userInfo);       //授权成功后,通过改变 isHide 的值，让实现页面显示出来，把授权页面隐藏起来       that.setData({         isHide: false       });       wx.getUserInfo({         success: function (res) {           that.setData({             avatarUrl: res.userInfo.avatarUrl,             userInfo: res.userInfo           }),             // 用户已经授权过,不需要显示授权页面,所以不需要改变 isHide 的值             // 根据自己的需求有其他操作再补充             // 我这里实现的是在用户授权成功后，调用微信的 wx.login 接口，从而获取code             wx.login({               success: res => {                 // 获取到用户的 code 之后：res.code                 console.log("用户的code:" + res.code);                 wx.request({                         url: app.globalData.url + '/appInterface/getOpenid.do?code=' + res.code,                         //url: app.globalData.url + '/appInterface/getOpenid.do',                         method: 'GET',                         // data:{                         //   code: res.code                         // },                         header: {                           'Content-Type': 'application/json'                         },                         success: function (ares) {                           //将openid设置为所有页面都能访问                           app.globalData.openid = ares.data.obj                           //默认请求注册会员                           // wx.request({                           //   url: app.globalData.url + '/appInterface/addUser.do',                           //   data: {                           //     userOpenid: ares.data.obj,                           //     userNick: that.data.userInfo.nickName,                           //     userHadimag: that.data.userInfo.avatarUrl                           //   },                           //   method: 'POST',                           //   header: {                           //     'Content-Type': 'application/x-www-form-urlencoded'                           //   },                           //   success: function (bres) {                           //   }                           // })                         }                       })                 wx.reLaunch({                   url: '/pages/login/login'                 })               }             });         }       });     } else {       //用户按了拒绝按钮       wx.showModal({         title: '警告',         content: '您点击了拒绝授权，将无法进入小程序，请授权之后再进入!!!',         showCancel: false,         confirmText: '返回授权',         success: function (res) {           // 用户没有授权成功，不需要改变 isHide 的值           if (res.confirm) {             console.log('用户点击了“返回授权”');           }         }       });     }   }, 各路大佬快来帮帮忙吧