mysql官方驅動jar

問題描述：

　　在mysql5.7版本，發現登陸不了，找不到緣由。有人說是驅動的問題，下載最新的驅動，問題獲得解決！

問題解決：

　　下載最新mysql-jar驅動，傳統版本最新mysql-jar驅動版本5.1.45，要下載mysql-jar-8.0.15

MySQL Connector/J is the official JDBC driver for MySQL. MySQL Connector/J 8.0 is compatible with all MySQL versions starting with MySQL 5.5. Additionally, MySQL Connector/J 8.0 supports the new X DevAPI for development with MySQL Server 8.0.

https://dev.mysql.com/downloads/connector/j/

https://mvnrepository.com/artifact/mysql/mysql-connector-java/8.0.15

http://central.maven.org/maven2/mysql/mysql-connector-java/8.0.15/mysql-connector-java-8.0.15.jar