Traceback (most recent call last):
File "python_mysql.py", line 78, in <module>

x.cb_model_add()

File "python_mysql.py", line 17, in cb_model_add

self.cursor.executemany(sql, params)

File "build/bdist.linux-x86_64/egg/MySQLdb/cursors.py", line 262, in executemany
File "build/bdist.linux-x86_64/egg/MySQLdb/cursors.py", line 354, in _query
File "build/bdist.linux-x86_64/egg/MySQLdb/cursors.py", line 318, in _do_query
_mysql_exceptions.ProgrammingError: (1064, "You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ':code)' at line 2")

sql语句如下：
sql="insert into test1 (code) values (:code)"

    params = [{'code':'xx'}]
    self.cursor.executemany(sql, params)