长文数据库：增加 update方法

pq数据库，增加 close 方法

applications/longArticlesMysql.py

@@ -17,15 +17,15 @@ class longArticlesMySQL(object):
         charset='utf8mb4'
     )
 
-    # @classmethod
-    # def update(cls, sql, params):
-    #     """
-    #     更新
-    #     :return:
-    #     """
-    #     cursor = cls.connection.cursor()
-    #     cursor.execute(sql, params)
-    #     cls.connection.commit()
+    @classmethod
+    def update(cls, sql, params):
+        """
+        更新
+        :return:
+        """
+        cursor = cls.connection.cursor()
+        cursor.execute(sql, params)
+        cls.connection.commit()
 
     @classmethod
     def select(cls, sql):

applications/pqMysql.py

@@ -48,6 +48,14 @@ class PQMySQL(object):
         """
         return None
 
+    @classmethod
+    def close(cls):
+        """
+
+        :return:
+        """
+        cls.connection.close()
+