//app.js
var Promise = require('./common/es6-promise.min.js').Promise;
App({
onLaunch: function () {
//调用API从本地缓存中获取数据
var logs = wx.getStorageSync('logs') || []
logs.unshift(Date.now())
wx.setStorageSync('logs', logs)
},
getUserInfo: function (cb) {
var that = this
console.log(this.globalData.userInfo);
if (this.globalData.userInfo) {
typeof cb == "function" && cb(this.globalData.userInfo)
} else {
login(that, cb);
}
},
globalData: {
userInfo: null
}
})
//调用登录接口
function login(that, cb) {
new Promise(function (resolve) {
// 显示加载中
wx.showToast({
title: "loading",
icon: 'loading'
});
wx.login({
success: function (res) {
resolve(res);
}
});
}).then(function (xdata) {
return new Promise(function (resolve, reject) {
wx.request({
url: '.../wxa/user/login',
data: {
code: xdata.code
},
success: function (res) {
var data = res.data;
if (data.errcode !== 500) {
wx.setStorageSync("sessionId", data.sessionId);
resolve(res);
} else {
reject(data);
}
}
})
});
}).then(function (xdata) {
return new Promise(function (resolve, reject) {
wx.getUserInfo({
success: function (res) {
console.log(res);
that.globalData.userInfo = res.userInfo
resolve(res);
},
fail: function (res) {
// 取消授权
reject(res);
}
})
});
}, function (xdata) {
wx.showModal({
title: '提示',
content: xdata.errmsg,
success: function (res) {
if (res.confirm) {
console.log('用户点击确定')
}
}
});
}).then(function (xdata) {
return new Promise(function (resolve, reject) {
wx.request({
url: '.../wxa/user/info',
data: {
rawData: xdata.rawData,
signature: xdata.signature,
encryptedData: xdata.encryptedData,
iv: xdata.iv
},
header: {
'wxa-sessionid': wx.getStorageSync("sessionId")
},
success: function (res) {
resolve(res);
}
})
});
}, function (xdata) {
wx.hideToast();
wx.showModal({
title: '提示',
content: "您取消了授权",
success: function (res) {
if (res.confirm) {
console.log('用户点击确定')
}
}
});
}).then(function (xdata) {
wx.hideToast();
cb(that.globalData.userInfo);
}, function (xdata) {
wx.hideToast();
wx.showModal({
title: '提示',
content: xdata.errmsg,
success: function (res) {
if (res.confirm) {
console.log('用户点击确定')
}
}
});
});
}
2：怎么初始化加载获取微信信息？
3：getUserInfo: function (cb) 里面的cb是啥？
