java.sql.SQLException: Access denied for user 'pc'@'localhost' (using passw

idea中原先是这样配置的:

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driver=com.mysql.jdbc.Driver
url=jdbc:mysql://localhost:3306/ssm?useUnicode=true&characterEncoding=utf8
username=root
password=root

修改后:

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jdbc.driverClassName=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/ssm?useUnicode=true&characterEncoding=utf8
jdbc.username=root
jdbc.password=root

或者如下 同样可以:

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driver=com.mysql.jdbc.Driver
url=jdbc:mysql://localhost:3306/ssm?useUnicode=true&characterEncoding=utf8
user=root
password=root

总结:只要不直接写成username就可以

原文地址:https://www.cnblogs.com/gdy0216/p/9578600.html