Java支持mysql8.0x的jdbc驱动和c3p0库,包含如下三个jar包c3p0-0.9.5.2.jarmchange-commons-java-0.2.15.jarmysql-connector-java-8.0.12.jarJDBC驱动类库名称变化driverClass由原来的com.mysql.jdbc.Driver改为com.mysql.cj.jdbc.Driver连接字符串jdbcUrl改为如下jdbc:mysql://localhost:3306/dbname?useUnicode=true&characterEncoding=UTF-8&useSSL=false&