基本功能是OK，但是感覺傳的數據太多，不安全，需要改寫。

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App({d: {hostUrl: 'http://www.test.com/index.php', //請填寫您自己的小程序主機URLappId: "xxx",appKey: "xxx",ceshiUrl: 'http://www.test.com/index.php',//請填寫您自己的測試URL },//小程序初始化完成時觸發，全局只觸發一次onLaunch: function () {//調用API從本地緩存中獲取數據var logs = wx.getStorageSync('logs') || []logs.unshift(Date.now())wx.setStorageSync('logs', logs);//loginthis.getUserInfo();},getUserInfo: function (cb) {var that = thisif (this.globalData.userInfo) {typeof cb == "function" && cb(that.globalData.userInfo)} else {wx.getSetting({success: function (res) {if (res.authSetting['scope.userInfo']) {wx.login({success: function (res) {//console.log(res);var code = res.code;//get wx user simple info wx.getUserInfo({withCredentials: true,success: function (res) {//如果已經授權過那么會執行這里代碼，console.log("已授權標記");that.globalData.userInfo = res.userInfo;typeof cb == "function" && cb(that.globalData.userInfo);//get user sessionKey that.getUserSessionKey(code);if (that.userInfoReadyCallback) {that.userInfoReadyCallback(res)}}});}})} else {// 沒有授權，重定向到 loading 啟動頁 wx.navigateTo({url: '../tologin/tologin',})}}})}},getUserSessionKey: function (code) {//用戶的訂單狀態var that = this;wx.request({url: that.d.ceshiUrl + '/Api/Login/getsessionkey',method: 'post',data: {code: code},header: {'Content-Type': 'application/x-www-form-urlencoded'},success: function (res) {//--init data var data = res.data;if (data.status == 0) {wx.showToast({title: data.err,duration: 2000});return false;}that.globalData.userInfo['sessionId'] = data.session_key;that.globalData.userInfo['openid'] = data.openid;that.onLoginUser();},fail: function (e) {wx.showToast({title: '網絡異常！err:getsessionkeys',duration: 2000});},});},//授權登錄onLoginUser: function () {var that = this;var user = that.globalData.userInfo;wx.request({url: that.d.ceshiUrl + '/Api/Login/authlogin',method: 'post',data: {SessionId: user.sessionId,gender: user.gender,NickName: user.nickName,HeadUrl: user.avatarUrl,openid: user.openid},header: {'Content-Type': 'application/x-www-form-urlencoded'},success: function (res) {//--init data var data = res.data.arr;var status = res.data.status;if (status != 1) {wx.showToast({title: res.data.err,duration: 3000});return false;}that.globalData.userInfo['id'] = data.ID;that.globalData.userInfo['NickName'] = data.NickName;that.globalData.userInfo['HeadUrl'] = data.HeadUrl;var userId = data.ID;if (!userId) {wx.showToast({title: '登錄失敗！',duration: 3000});return false;}that.d.userId = userId;},fail: function (e) {wx.showToast({title: '網絡異常！err:authlogin',duration: 2000});},});},globalData: {userInfo: null},onPullDownRefresh: function () {wx.stopPullDownRefresh();}});

如果不想首頁自動登陸，在其它頁調用登陸：

// pages/user/user.js var app = getApp() Page({data: {userInfo: {},orderInfo: {},loadingText: '加載中...',loadingHidden: false,},onLoad: function () {var that = this//調用應用實例的方法獲取全局數據app.getUserInfo(function (userInfo) {//更新數據 that.setData({userInfo: userInfo,loadingHidden: true})});console.log("個人中心：--" + app.d.userId);this.loadOrderStatus();}, }）

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轉載于:https://www.cnblogs.com/aguncn/p/11100110.html

總結

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