转载自 https://blog.csdn.net/lingeio/article/details/93487770
mysql-connector-java与Mysql对应版本：
MySQL Connector/J 8.0 is highly recommended for use with MySQL Server 8.0, 5.7, and 5.6. Please upgrade to MySQL Connector/J 8.0.
官方更推荐MySQL5.6以上使用connector/j 8.0
mysql-connector-java与Java对应版本：
JRE 1.7 support requires Connector/J 5.1.21 and higher.
JRE 1.7 需要connector/J 5.1.21 以上
附：
jdbc下载地址：https://repo1.maven.org/maven2/mysql/mysql-connector-java/
资料来源于官网：https://dev.mysql.com/doc/connector-j/5.1/en/connector-j-versions.html