報錯1：
file "d:\program files\python36\lib\site-packages\pymysql\connections.py", line 325, in __init__
self.connect()
file "d:\program files\python36\lib\site-packages\pymysql\connections.py", line 589, in connect
self.host_info = "socket %s:%d" % (self.host, self.port)
typeerror: %d format: a number is required, not str
資料庫連線時port的資料型別錯誤，**配置型別為str,要求的資料型別為int
報錯2：
file "f:/python/auto_test_plat_demo/apitest/apiauto_testcase2.py", line 19, in test_readsqlcase
charset = 'utf-8'
file "d:\program files\python36\lib\site-packages\pymysql\__init__.py", line 94, in connect
return connection(*args, **kwargs)
file "d:\program files\python36\lib\site-packages\pymysql\connections.py", line 283, in __init__
self.encoding = charset_by_name(self.charset).encoding
attributeerror: 'nonetype' object has no attribute 'encoding'
資料庫連線引數編碼型別錯誤，修改編碼型別為utf8
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