1.将instantclient_11_2放到oracle安装目录中,D:appAdministratorproduct
2.打开PLSQL,打开工具中的首选项，注销项选择'提交'，然后配置参数：
oracle主目录名:即instantclient_11_2的路径 D:appAdministratorproductinstantclient_12_1
oci库：instantclient_11_2路径下的oci.dll D:appAdministratorproductinstantclient_12_1oci.dll
3.配置环境变量:
TNS_ADMIN:即oracle目录中NETWORKADMIN所在路径 D:appAdministratorproduct11.2.0dbhome_1NETWORKADMIN
NLS_LANG:SIMPLIFIED CHINESE_CHINA.ZHS16GBK
