#url: jdbc:mysql://127.0.0.1:3306/zwf?useUnicode=true&characterEncoding=utf8&useSSL=false
   

url: jdbc:mysql://127.0.0.1:3306/zwf?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8

<mysql-connector-java.version>5.1.47</mysql-connector-java.version>
com.mysql.jdbc.Driver

<mysql-connector-java.version>8.0.16</mysql-connector-java.version>
com.mysql.cj.jdbc.Driver

<!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
<dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-java</artifactId>
    <version>5.1.47</version>
</dependency>
 

https://repo1.maven.org/maven2/mysql/mysql-connector-java/5.1.47/mysql-connector-java-5.1.47.jar

<!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
<dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-java</artifactId>
    <version>8.0.16</version>
</dependency>
 

https://repo1.maven.org/maven2/mysql/mysql-connector-java/8.0.16/mysql-connector-java-8.0.16.jar