20260511173242

code/container-ocr/ocr-uniapp/src/request/index.ts

@@ -6,26 +6,45 @@ import { joinUrl } from '@/utils/common'
 
 import { isH5 } from '@/utils/platform'
 
+let dbJsonCache: Record<string, string> | null = null
+let dbJsonPromise: Promise<Record<string, string>> | null = null
+
 /**
  * ======================
- * 读取机构配置
+ * 读取机构配置（带缓存）
  * ======================
  */
 function readDbJson(): Promise<Record<string, string>> {
-  return new Promise((resolve, reject) => {
+  if (dbJsonCache) {
+    return Promise.resolve(dbJsonCache)
+  }
+
+  if (dbJsonPromise) {
+    return dbJsonPromise
+  }
+
+  dbJsonPromise = new Promise((resolve, reject) => {
     if (isH5) {
-      const timestamp = Date.now()
       uni.request({
-        url: `/g3ocr-app/static/db.json?t=${timestamp}`,
+        url: '/g3ocr-app/static/db.json',
         method: 'GET',
-        success: r => resolve(r.data as Record<string, string>),
-        fail: err => reject(err),
+        success: (r) => {
+          dbJsonCache = r.data as Record<string, string>
+          resolve(dbJsonCache)
+        },
+        fail: (err) => {
+          dbJsonPromise = null
+          reject(err)
+        },
       })
     }
     else {
-      resolve(dbJson as Record<string, string>)
+      dbJsonCache = dbJson as Record<string, string>
+      resolve(dbJsonCache)
     }
   })
+
+  return dbJsonPromise
 }
 
 /**
@@ -38,23 +57,7 @@ export async function getOrgBaseUrl(orgid: string): Promise<string> {
     return ''
   }
 
-  let dbRes: Record<string, string> = {}
-
-  // 读取配置（和你原逻辑保持一致）
-  if (isH5) {
-    const timestamp = Date.now()
-    dbRes = await new Promise((resolve, reject) => {
-      uni.request({
-        url: `/g3ocr-app/static/db.json?t=${timestamp}`,
-        method: 'GET',
-        success: res => resolve(res.data as Record<string, string>),
-        fail: err => reject(err),
-      })
-    })
-  }
-  else {
-    dbRes = dbJson as Record<string, string>
-  }
+  const dbRes = await readDbJson()
 
   if (!dbRes || Object.keys(dbRes).length === 0) {
     throw new Error('机构配置获取失败')
@@ -66,7 +69,6 @@ export async function getOrgBaseUrl(orgid: string): Promise<string> {
     throw new Error('机构码无效')
   }
 
-  // 👉 关键：只返回原始 JSON 里的值
   return baseUrl
 }