修复 wechat 解析返回。

app/core/wechat.py

@@ -25,50 +25,49 @@ class WeChatClient:
         self.secret = settings.WECHAT_SECRET
     
     async def get_access_token(self):
-        """获取接口调用凭证"""
-        if self.access_token:
-            return self.access_token
-            
-        async with aiohttp.ClientSession() as session:
-            url = f"https://api.weixin.qq.com/cgi-bin/token"
+        """获取小程序全局接口调用凭据"""
+        url = "https://api.weixin.qq.com/cgi-bin/token"
         params = {
             "grant_type": "client_credential",
             "appid": self.appid,
             "secret": self.secret
         }
-            async with session.get(url, params=params) as response:
-                result = await response.json()
-                if "access_token" in result:
-                    self.access_token = result["access_token"]
-                    return self.access_token
-                raise Exception(result.get("errmsg", "获取access_token失败"))
-    
-    async def get_phone_number(self, code: str):
-        """获取用户手机号"""
-        access_token = await self.get_access_token()
         
         async with aiohttp.ClientSession() as session:
-            url = f"https://api.weixin.qq.com/wxa/business/getuserphonenumber"
-            params = {"access_token": access_token}
-            data = {"code": code}
+            async with session.get(url, params=params) as response:
+                text = await response.text()
+                try:
+                    result = json.loads(text)
+                except json.JSONDecodeError:
+                    raise Exception(f"解析微信返回数据失败: {text}")
                 
-            async with session.post(url, params=params, json=data) as response:
-                result = await response.json()
-                if result.get("errcode") == 0:
-                    return result.get("phone_info")
+                if "errcode" in result and result["errcode"] != 0:
+                    raise Exception(result.get("errmsg", "获取access_token失败"))
+                
+                return result.get("access_token")
+    
+    async def get_phone_number(self, code: str) -> dict:
+        """获取用户手机号"""
+        access_token = await self.get_access_token()
+        url = f"https://api.weixin.qq.com/wxa/business/getuserphonenumber?access_token={access_token}"
+        
+        async with aiohttp.ClientSession() as session:
+            async with session.post(url, json={"code": code}) as response:
+                text = await response.text()
+                try:
+                    result = json.loads(text)
+                except json.JSONDecodeError:
+                    raise Exception(f"解析微信返回数据失败: {text}")
+                
+                if result.get("errcode", 0) != 0:
                     raise Exception(result.get("errmsg", "获取手机号失败"))
                 
+                return result.get("phone_info", {})
+    
     
     async def code2session(self, code: str) -> dict:
-        """通过 code 获取用户 openid
-        
-        Args:
-            code: 登录凭证
-        Returns:
-            dict: 包含 openid 等信息
-        """
-        async with aiohttp.ClientSession() as session:
-            url = "https://api.weixin.qq.com/sns/jscode2session"
+        """通过 code 获取用户 openid"""
+        url = f"https://api.weixin.qq.com/sns/jscode2session"
         params = {
             "appid": self.appid,
             "secret": self.secret,
@@ -76,10 +75,17 @@ class WeChatClient:
             "grant_type": "authorization_code"
         }
         
+        async with aiohttp.ClientSession() as session:
             async with session.get(url, params=params) as response:
-                result = await response.json()
-                if "openid" in result:
-                    return result
+                text = await response.text()
+                try:
+                    result = json.loads(text)
+                except json.JSONDecodeError:
+                    raise Exception(f"解析微信返回数据失败: {text}")
+                
+                if "errcode" in result and result["errcode"] != 0:
                     raise Exception(result.get("errmsg", "获取openid失败"))
                 
+                return result
+