bw_smallApp/app.js

//app.js
var appInstance = getApp()
// console.log(appInstance.onShow())
App({
  data:{
  },
  globalData: {
    userInfo: null,
    HOST: 'https://chaoshi.henhaojie.com',
    platform: 0,
    title: '',
    img: ''
  },
  // 在这个app里面this就是app实例
  // 监听小程序初始化
  onLaunch: function (){
      var system = '', app = this;
      wx.getSystemInfo({
        success: function(res) {
          system = res.system
          console.log(system)
          if (system.indexOf('iOS') == -1) {
            app.globalData.platform = 1;
          }else{
            app.globalData.platform = 2;
          }
          console.log(app.globalData.platform);
        }
      })
  },
  // 监听小程序显示
  onShow: function (options) {
  },
  // 监听小程序隐藏
  onHide: function () {
  },
  // 错误监听函数
  onError: function (msg) {
    console.log(msg)
  },
  login: function (that, func) {
    let obj = {}, app = this, user = '', source = '';
    if (that.data.source) {
      source = that.data.source
    }
    wx.login({
      success: function(res) {
        if (res.code) {
          wx.getUserInfo({
            success: function(resInfo) {
              // console.log(resInfo);
              wx.request({
                url: app.globalData.HOST + '/user/wx/login',
                method: "POST",
                data: {
                  code: res.code,
                  iv: resInfo.iv,
                  encryptedData: resInfo.encryptedData,
                  source: source
                },
                success: function (resLogin) {
                  if (resLogin.data.errno == 0) {
                    user = resLogin.data.rst;
                    wx.setStorageSync("user", user)
                    if (func) {
                      func();
                    }
                    app.initShare();
                  }
                }
              })
            },
            fail: function () {
              // 用户拒绝授权后再次确认
              app.confirmModal('必须授权登录之后才正常使用，是否重新授权', function(){
                if (wx.openSetting) {
                    wx.openSetting({
                        success: (ress) => {
                            if (ress.authSetting["scope.userInfo"]) {
                              wx.getUserInfo({
                                success: function(resInfo) {
                                  wx.request({
                                    url: app.globalData.HOST + '/user/wx/login',
                                    method: "POST",
                                    data: {
                                      code: res.code,
                                      iv: resInfo.iv,
                                      encryptedData: resInfo.encryptedData
                                    },
                                    success: function (resLogin) {
                                      if (resLogin.data.errno == 0) {
                                        user = resLogin.data.rst;
                                        // user_id = resLogin.data.rst.user_id;
                                        wx.setStorageSync("user", user)
                                        if (func) {
                                          func();
                                        }
                                      }
                                    }
                                  })
                                }
                              })
                            }
                        }
                    })
                }
              });
            }
          })
        } else {
          console.log('登录失败！' + res.errMsg)
        }
      }
    });
  },
  initShare () {
    var app = this;
    var title='', img = '';
    wx.request({
      url: app.globalData.HOST + '/user/wx/share',
      method: 'POST',
      success: function (res) {
        if (res.data.errno == '0'){
          title = res.data.rst.title;
          img = res.data.rst.pic;
        }
        app.globalData.title = title;
        app.globalData.img = img;
      }
    });
  },
  confirmModal (content, func) {
    wx.showModal({
      title: '小提示',
      content: content,
      success: function(res) {
        if (res.confirm) {
          func();
        } else if (res.cancel) {
        }
      }
    })
  },
  noticeModal (content, func) {
    wx.showModal({
      title: '小提示',
      content: content,
      showCancel: false,
      confirmText: '我知道了',
      success: function(res) {
        if (res.confirm) {
          if (func) {
            func();
          }
        }
      }
    })
  }
})