首次完整推送，

V：1.20240808.006

uni_modules/uni-id-pages/uniCloud/cloudfunctions/uni-id-co/module/relate/bind-weixin.js

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+const {
+  preBind,
+  postBind
+} = require('../../lib/utils/relate')
+const {
+  LOG_TYPE
+} = require('../../common/constants')
+const {
+  generateWeixinCache,
+  saveWeixinUserKey,
+  getWeixinPlatform
+} = require('../../lib/utils/weixin')
+const {
+  initWeixin
+} = require('../../lib/third-party/index')
+const {
+  ERROR
+} = require('../../common/error')
+
+/**
+ * 绑定微信
+ * @tutorial https://uniapp.dcloud.net.cn/uniCloud/uni-id-pages.html#bind-weixin
+ * @param {Object} params
+ * @param {String} params.code  微信登录返回的code
+ * @returns
+ */
+module.exports = async function (params = {}) {
+  const schema = {
+    code: 'string'
+  }
+  this.middleware.validate(params, schema)
+  const uid = this.authInfo.uid
+  const {
+    code
+  } = params
+  const weixinPlatform = getWeixinPlatform.call(this)
+  const appId = this.getUniversalClientInfo().appId
+
+  const weixinApi = initWeixin.call(this)
+  const clientPlatform = this.clientPlatform
+  const apiName = clientPlatform === 'mp-weixin' ? 'code2Session' : 'getOauthAccessToken'
+  let getWeixinAccountResult
+  try {
+    getWeixinAccountResult = await weixinApi[apiName](code)
+  } catch (error) {
+    await this.middleware.uniIdLog({
+      success: false,
+      type: LOG_TYPE.BIND_WEIXIN
+    })
+    throw {
+      errCode: ERROR.GET_THIRD_PARTY_ACCOUNT_FAILED
+    }
+  }
+
+  const {
+    openid,
+    unionid,
+    // 保存下面四个字段
+    sessionKey, // 微信小程序用户sessionKey
+    accessToken, // App端微信用户accessToken
+    refreshToken, // App端微信用户refreshToken
+    expired: accessTokenExpired // App端微信用户accessToken过期时间
+  } = getWeixinAccountResult
+
+  const bindAccount = {
+    wx_openid: {
+      [weixinPlatform]: openid
+    },
+    wx_unionid: unionid
+  }
+  await preBind.call(this, {
+    uid,
+    bindAccount,
+    logType: LOG_TYPE.BIND_WEIXIN
+  })
+  await saveWeixinUserKey.call(this, {
+    openid,
+    sessionKey,
+    accessToken,
+    refreshToken,
+    accessTokenExpired
+  })
+  return postBind.call(this, {
+    uid,
+    bindAccount,
+    extraData: {
+      wx_openid: {
+        [`${weixinPlatform}_${appId}`]: openid
+      },
+      ...generateWeixinCache.call(this, {
+        openid,
+        sessionKey, // 微信小程序用户sessionKey
+        accessToken, // App端微信用户accessToken
+        refreshToken, // App端微信用户refreshToken
+        accessTokenExpired // App端微信用户accessToken过期时间
+      })
+    },
+    logType: LOG_TYPE.BIND_WEIXIN
+  })
+}