chore: initialize tuhui repository

backend/app/ysm_sdk/api.py

@@ -0,0 +1,69 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+import json
+import hashlib
+import aiohttp
+
+class YsmPayApi:
+    """易收米支付API工具类"""
+    
+    @staticmethod
+    async def http_post(url, data):
+        """
+        发送异步HTTP POST请求
+        
+        Args:
+            url: 请求地址
+            data: 请求数据（JSON字符串）
+        
+        Returns:
+            str: 响应内容
+        """
+        headers = {
+            'Content-Type': 'application/json; charset=UTF-8',
+            'Accept': 'application/json',
+            'User-Agent': '*/*',
+            'Authorization': 'WECHATPAY2-SHA256-RSA2048 '
+        }
+        
+        try:
+            async with aiohttp.ClientSession() as session:
+                async with session.post(url, data=data, headers=headers, ssl=False, timeout=30) as response:
+                    return await response.text()
+        except Exception as e:
+            print(f"Error: {str(e)}")
+            return None
+    
+    @staticmethod
+    def hash_sign(data, secret):
+        """
+        生成签名
+        
+        Args:
+            data: 要签名的数据字典
+            secret: 密钥
+        
+        Returns:
+            str: 签名字符串
+        """
+        # 按键名升序排序
+        sorted_data = dict(sorted(data.items()))
+        
+        # 构造签名字符串
+        sign_str = ""
+        for key, value in sorted_data.items():
+            # 跳过hash字段和空值
+            if key == 'hash' or value is None or value == '':
+                continue
+            
+            # 添加分隔符
+            if sign_str:
+                sign_str += '&'
+            
+            # 拼接键值对
+            sign_str += f"{key}={value}"
+        
+        # 添加密钥并计算SHA256哈希
+        sign_str += secret
+        return hashlib.sha256(sign_str.encode('utf-8')).hexdigest()