微信小程序爬坑

1、app.json配置信息是怎样的？

 {
   "pages":[
     "pages/页面1/页面1",
     "pages/页面2/页面2",
   ],
   "window":{
     "backgroundTextStyle":"light",//文本背景样式
     "navigationBarBackgroundColor": "White",//导航背景颜色
     "navigationBarTitleText": "WeChat",//导航背景标题
     "navigationBarTextStyle":"black",//导航背景文本样式
     "enablePullDownRefresh": true//是否开启下拉刷新
   },
   "tabBar": {//底部菜单栏最多5个
     "color": "#000",
     "selectedColor": "#000000",
     "backgroundColor": "#efefef",
     "borderStyle": "White",
     "list": [{
         "pagePath": "pages/shopping/shopping",
         "iconPath": "images/scshop_i.png",
         "selectedIconPath": "images/scshop.png",
         "text": "商城"
       },{
         "pagePath": "pages/shopcar/shopcar",
         "iconPath": "images/shopca.png",
         "selectedIconPath": "images/shopcar.png",
         "text": "购物车"
       },{
       "pagePath": "pages/index/index",
       "iconPath": "images/latest.png",
       "selectedIconPath": "images/latest_on.png",
       "text": "我的"
     }]
   },
 "networkTimeout": {//网络请求时间
   "request": 20000,
   "connectSocket": 20000,
   "uploadFile": 20000,
   "downloadFile": 20000
 },
 "debug":true
 }

2、如何获取用户的身份信息？

 var appUserinfo;
 var openid = '';
 var sessionkey = '';
 var encryptedData = '';
 var iv = '';
 App({
 //用户登录
 getUserInfo: function (callback) {
     //调用登录接口
   var retuser = {};
   var that = this;
   wx.showLoading({ title: "加载中..." });
     wx.login({
       success: function (res) {
         var code = res.code;
         if (code) {
           //读取会员信息
           wx.request({
             url: "https"+aspx,// 通过获取code来换取session_key
             data: {
               code: code,
             },
             success: function (res) {//res返回值获得session_key&openid
               console.log(res)
               var retdata = res.data.data;
               openid = retdata.openid,
                 sessionkey = retdata.session_key;
               //设置微信用户信息
               wx.getUserInfo({
                 success: function (res) {
                   encryptedData = res.encryptedData;
                   iv = res.iv;
                   appUserinfo = res.userInfo
                   wx.request({
                     url: "https"+aspx,//通过session_key来换取公众号信息
                     data: {
                       openid:openid,
                       unionid:encryptedData,//解析unionid(md5加密&解密获得)
                       sessionkey:sessionkey,
                       iv:iv,
                       appid: 'wx758e9825590dc405'
                     },
                     dataType: "json",
                     success: function (ret) {
                       wx.hideLoading();
                       var retdata = ret.data;
                       for (var key in retdata) {
                         retuser[key] = retdata[key];
                       }
                       retuser.littleid = retuser.uid;//换取公众平台用户的id信息
                       retuser.openid=openid;
                       callback && callback(retuser);
                     }
                   });
                 },
                 fail: function (res) {
                   var that = this
                   console.log(res)
 /*
                   wx.redirectTo({
                     url: '/pages/error/error?error=请同意获得微信用户信息'
                   })
 */if(res){//res返回值来检查用户授权信息&重新授权
   wx.showModal({
     title: '警告',
     content: '若不授权微信登陆，您将无法使用商城部分功能,点击重新获取授权',
     success: function () {
       wx.openSetting({
         success: function (res) {
           if (!res.authSetting["scope.userInfo"] || !res.authSetting["scope.userLocation"]) {
             wx.getUserInfo({})
           }
         }
       })
     }
   })
 }
                 }
               })
             }
           });
         }
       }
     })
 }
 })

以上就是我在初学小程序时所走的坑吧，分享给各位，希望对大家有所帮助