feat: 小程序与管理端迭代（神仙AI、了解自己CRM、AI测试入口、报表与分润等）

Made-with: Cursor

miniprogram/utils/questionBank.js

@@ -74,6 +74,21 @@ function applyDrawCountAfterShuffle(questions) {
  * @param {number|null|undefined} enterpriseId
  * @returns {Promise<Array>}
  */
+function parseJsonBody(raw) {
+  if (raw == null) return {}
+  if (typeof raw === 'object' && !Array.isArray(raw)) return raw
+  if (typeof raw === 'string') {
+    const s = raw.trim()
+    if (!s) return {}
+    try {
+      return JSON.parse(s)
+    } catch (e) {
+      return { _parseError: true, _rawSnippet: s.slice(0, 120) }
+    }
+  }
+  return {}
+}
+
 function fetchQuestionBank(type, enterpriseId) {
   const q = [`type=${encodeURIComponent(type)}`]
   if (enterpriseId != null && Number(enterpriseId) > 0) {
@@ -84,9 +99,14 @@ function fetchQuestionBank(type, enterpriseId) {
     method: 'GET',
     needAuth: true
   }).then((res) => {
-    const body = res.data || {}
+    const body = parseJsonBody(res.data)
+    if (body._parseError) {
+      throw new Error('接口返回非 JSON，请检查小程序 apiBase 与后台域名（可设 Storage key: apiBaseOverride）')
+    }
     if (body.code !== 200 || body.data == null) {
-      throw new Error(body.message || '拉取题库失败')
+      const msg = body.message || '拉取题库失败'
+      const hint = body.code === 401 || body.code === 403 ? `${msg}（请重新进入小程序或下拉刷新）` : msg
+      throw new Error(hint)
     }
     const list = body.data.list
     if (!Array.isArray(list)) {
@@ -96,18 +116,47 @@ function fetchQuestionBank(type, enterpriseId) {
   })
 }
 
+/**
+ * 仅 mbti 类型支持本地 fallback 题库（60 题）
+ * 网络异常（isNetworkError）或 5xx 且线上拉题失败时启用，保证测试可完成
+ */
+function loadLocalFallback(type) {
+  if (type !== 'mbti') return null
+  try {
+    const { getMbtiLocalQuestions } = require('./mbtiLocalQuestions.js')
+    const list = getMbtiLocalQuestions()
+    return Array.isArray(list) && list.length ? list : null
+  } catch (e) {
+    return null
+  }
+}
+
 /**
  * @param {'mbti'|'sbti'|'disc'|'pdp'} type
- * @param {{ enterpriseId?: number|null }} opts
- * @returns {Promise<Array>} 乱序后的题目；接口无题或失败则 reject
+ * @param {{ enterpriseId?: number|null, allowLocalFallback?: boolean }} opts
+ * @returns {Promise<Array>} 乱序后的题目；接口无题或失败则 reject（mbti 可降级本地）
  */
 function loadQuestions(type, opts = {}) {
   const enterpriseId = resolveEnterpriseIdForQuestionBank(opts)
+  const allowLocal = opts.allowLocalFallback !== false // 默认允许
   return fetchQuestionBank(type, enterpriseId).then((list) => {
     if (!list.length) {
       throw new Error('暂无启用题目')
     }
     return applyDrawCountAfterShuffle(shuffleQuestions(list))
+  }).catch((err) => {
+    // 网络异常 / 5xx / 401（登录失败）/ 超时均降级；4xx 业务错误不降级
+    const status = err && err.statusCode
+    const canFallback = err && (
+      err.isNetworkError ||
+      (status >= 500 && status < 600) ||
+      status === 401
+    )
+    if (!allowLocal || !canFallback) throw err
+    const local = loadLocalFallback(type)
+    if (!local) throw err
+    console.warn('[questionBank] 后端不可达，降级本地 fallback 题库:', type, err && err.message)
+    return applyDrawCountAfterShuffle(shuffleQuestions(local))
   })
 }