添加Renard小程序

renard-wx/utils/user.js

+/**
+ * 用户相关服务
+ */
+const util = require('../utils/util.js');
+const api = require('../config/api.js');
+
+
+/**
+ * Promise封装wx.checkSession
+ */
+function checkSession() {
+  return new Promise(function (resolve, reject) {
+    wx.checkSession({
+      success: function () {
+        resolve(true);
+      },
+      fail: function () {
+        reject(false);
+      }
+    })
+  });
+}
+
+/**
+ * Promise封装wx.login
+ */
+function login() {
+  return new Promise(function (resolve, reject) {
+    wx.login({
+      success: function (res) {
+        if (res.code) {
+          resolve(res);
+        } else {
+          reject(res);
+        }
+      },
+      fail: function (err) {
+        reject(err);
+      }
+    });
+  });
+}
+
+/**
+ * 调用微信登录
+ */
+function loginByWeixin(userInfo) {
+
+  return new Promise(function (resolve, reject) {
+    return login().then((res) => {
+      //登录远程服务器
+      util.request(api.AuthLoginByWeixin, { code: res.code, userInfo: userInfo }, 'POST').then(res => {
+        if (res.errno === 0) {
+          //存储用户信息
+          wx.setStorageSync('userInfo', res.data.userInfo);
+          wx.setStorageSync('token', res.data.token);
+
+          resolve(res);
+        } else {
+          reject(res);
+        }
+      }).catch((err) => {
+        reject(err);
+      });
+    }).catch((err) => {
+      reject(err);
+    })
+  });
+}
+
+/**
+ * 判断用户是否登录
+ */
+function checkLogin() {
+  return new Promise(function (resolve, reject) {
+    if (wx.getStorageSync('userInfo') && wx.getStorageSync('token')) {
+      checkSession().then(() => {
+        resolve(true);
+      }).catch(() => {
+        reject(false);
+      });
+    } else {
+      reject(false);
+    }
+  });
+}
+
+module.exports = {
+  loginByWeixin,
+  checkLogin,
+};
\ No newline at end of file

renard-wx/utils/util.js

+var api = require('../config/api.js');
+var app = getApp();
+
+function formatTime(date) {
+  var year = date.getFullYear();
+  var month = date.getMonth() + 1;
+  var day = date.getDate();
+
+  var hour = date.getHours();
+  var minute = date.getMinutes();
+  var second = date.getSeconds();
+
+
+  return [year, month, day].map(formatNumber).join('-') + ' ' + [hour, minute, second].map(formatNumber).join(':')
+}
+
+function formatNumber(n) {
+  n = n.toString();
+  return n[1] ? n : '0' + n
+}
+
+/**
+ * 封装微信的的request
+ */
+function request(url, data = {}, method = "GET") {
+  return new Promise(function (resolve, reject) {
+    wx.request({
+      url: url,
+      data: data,
+      method: method,
+      header: {
+        'Content-Type': 'application/json',
+        'X-Litemall-Token': wx.getStorageSync('token')
+      },
+      success: function (res) {
+
+        if (res.statusCode == 200) {
+
+          if (res.data.errno == 501) {
+            // 清除登录相关内容
+            try {
+              wx.removeStorageSync('userInfo');
+              wx.removeStorageSync('token');
+            } catch (e) {
+              // Do something when catch error
+            }
+            // 切换到登录页面
+            wx.navigateTo({
+              url: '/pages/auth/login/login'
+            });
+          } else {
+            resolve(res.data);
+          }
+        } else {
+          reject(res.errMsg);
+        }
+
+      },
+      fail: function (err) {
+        reject(err)
+      }
+    })
+  });
+}
+
+function redirect(url) {
+
+  //判断页面是否需要登录
+  if (false) {
+    wx.redirectTo({
+      url: '/pages/auth/login/login'
+    });
+    return false;
+  } else {
+    wx.redirectTo({
+      url: url
+    });
+  }
+}
+
+function showErrorToast(msg) {
+  wx.showToast({
+    title: msg,
+    image: '/static/images/icon_error.png'
+  })
+}
+
+module.exports = {
+  formatTime,
+  request,
+  redirect,
+  showErrorToast
+};
+
+