优化工单模块，增加企微模块

sg_wechat_enterprise/we_api/pay/api/jsapi.py

@@ -0,0 +1,48 @@
+# -*- coding: utf-8 -*-
+from __future__ import absolute_import, unicode_literals
+import time
+
+from wechatpy.utils import random_string, to_text
+from wechatpy.pay.base import BaseWeChatPayAPI
+from wechatpy.pay.utils import calculate_signature
+
+
+class WeChatJSAPI(BaseWeChatPayAPI):
+
+    def get_jsapi_signature(self, prepay_id, timestamp=None, nonce_str=None):
+        """
+        获取 JSAPI 签名
+
+        :param prepay_id: 统一下单接口返回的 prepay_id 参数值
+        :param timestamp: 可选，时间戳，默认为当前时间戳
+        :param nonce_str: 可选，随机字符串，默认自动生成
+        :return: 签名
+        """
+        data = {
+            'appId': self.appid,
+            'timeStamp': timestamp or to_text(int(time.time())),
+            'nonceStr': nonce_str or random_string(32),
+            'signType': 'MD5',
+            'package': 'prepay_id={0}'.format(prepay_id),
+        }
+        return calculate_signature(data, self._client.api_key)
+
+    def get_jsapi_params(self, prepay_id, timestamp=None, nonce_str=None):
+        """
+        获取 JSAPI 参数
+
+        :param prepay_id: 统一下单接口返回的 prepay_id 参数值
+        :param timestamp: 可选，时间戳，默认为当前时间戳
+        :param nonce_str: 可选，随机字符串，默认自动生成
+        :return: 签名
+        """
+        data = {
+            'appId': self.appid,
+            'timeStamp': timestamp or to_text(int(time.time())),
+            'nonceStr': nonce_str or random_string(32),
+            'signType': 'MD5',
+            'package': 'prepay_id={0}'.format(prepay_id),
+        }
+        sign = calculate_signature(data, self._client.api_key)
+        data['paySign'] = sign
+        return data