Traceback (most recent call last):
File "C:/workspace/python/DataAbalysisCode/excelproject.py", line 31, in <module>
db = dbhelper('127.0.0.1',3306, "root", "123456", "test")
TypeError: dbhelper() takes no arguments
排查下mysqlhelper.py这个文件的__init__方法,这个init前后的下划线是两个
对!这是构造方法没有正确的创建