配置cx-oracle 解决(cx_Oracle.DatabaseError) DPI-1047: Cannot locate a 64-bit Oracle Client library: “Th

python连接oracle数据配置环境变量十分繁琐，可用如下方法解决，类似配置selenium webdriver

  import cx_Oracle
    cx_Oracle.init_oracle_client(lib_dir=r"C:\oracle\instantclient_19_9")

oracle instantclient 下载地址
https://www.oracle.com/database/technologies/instant-client/winx64-64-downloads.html

下载后解压，然后初始化cx_Oracle模块即可

参考
https://stackoverflow.com/questions/56119490/cx-oracle-error-dpi-1047-cannot-locate-a-64-bit-oracle-client-library