项目初始化

sheep/platform/provider/wechat/officialAccount.js

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+import $wxsdk from '@/sheep/libs/sdk-h5-weixin';
+import { getRootUrl } from '@/sheep/helper';
+import AuthUtil from '@/sheep/api/member/auth';
+import SocialApi from '@/sheep/api/member/social';
+
+const socialType = 31; // 社交类型 - 微信公众号
+
+// 加载微信公众号JSSDK
+async function load() {
+  $wxsdk.init();
+}
+
+// 微信公众号登陆
+async function login(code = '', state = '') {
+  // 情况一：没有 code 时，去获取 code
+  if (!code) {
+    const loginUrl = await getLoginUrl();
+    if (loginUrl) {
+      uni.setStorageSync('returnUrl', location.href);
+      window.location = loginUrl;
+    }
+  // 情况二：有 code 时，使用 code 去自动登录
+  } else {
+    // 解密 code 发起登陆
+    const loginResult = await AuthUtil.socialLogin(socialType, code, state);
+    if (loginResult.code === 0) {
+      setOpenid(loginResult.data.openid);
+      return loginResult;
+    }
+  }
+  return false;
+}
+
+// 微信公众号绑定
+async function bind(code = '', state = '') {
+  // 情况一：没有 code 时，去获取 code
+  if (code === '') {
+    const loginUrl = await getLoginUrl('bind');
+    if (loginUrl) {
+      uni.setStorageSync('returnUrl', location.href);
+      window.location = loginUrl;
+    }
+  } else {
+    // 情况二：有 code 时，使用 code 去自动绑定
+    const loginResult = await SocialApi.socialBind(socialType, code, state);
+    if (loginResult.code === 0) {
+      setOpenid(loginResult.data);
+      return loginResult;
+    }
+  }
+  return false;
+}
+
+// 微信公众号解除绑定
+const unbind = async (openid) => {
+  const { code } = await SocialApi.socialUnbind(socialType, openid);
+  return code === 0;
+};
+
+// 获取公众号登陆地址
+async function getLoginUrl(event = 'login') {
+  const page = getRootUrl() + 'pages/index/login'
+    + '?event=' + event; // event 目的，区分是 login 还是 bind
+  const { code, data } = await AuthUtil.socialAuthRedirect(socialType, page);
+  if (code !== 0) {
+    return undefined;
+  }
+  return data;
+}
+
+// 设置 openid 到本地存储，目前只有 pay 支付时会使用
+function setOpenid(openid) {
+  uni.setStorageSync('openid', openid);
+}
+
+// 获得 openid
+async function getOpenid(force = false) {
+  let openid = uni.getStorageSync('openid');
+  if (!openid && force) {
+    const info = await getInfo();
+    if (info && info.openid) {
+      openid = info.openid;
+      setOpenid(openid);
+    }
+  }
+  return openid;
+}
+
+// 获得社交信息
+async function getInfo() {
+  const { code, data } = await SocialApi.getSocialUser(socialType);
+  if (code !== 0) {
+    return undefined;
+  }
+  return data;
+}
+
+export default {
+  load,
+  login,
+  bind,
+  unbind,
+  getInfo,
+  getOpenid,
+  jsWxSdk: $wxsdk,
+};