DataBase

DataBase连接数据库

设置DataSources

Host =》IP地址
Port =》端口号
User =》用户名
Password =》密码
Database =》连接的数据库

设置驱动 Drives

tables 文件夹中即所连接数据库中表

Free MyBatis Tool自动生成实体类，Mapper ，以及mapper.xml

选择表右键选择Mybatis-Generator

报错

连接协议TLS

17:58	javax.net.ssl.SSLHandshakeException: No appropriate protocol (protocol is disabled or cipher suites are inappropriate)
			The following required algorithms might be disabled: SSLv3, TLSv1, TLSv1.1, RC4, DES, MD5withRSA, DH keySize < 1024, EC keySize < 224, 3DES_EDE_CBC, anon, NULL, include jdk.disabled.namedCurves. Edit the list of disabled algorithms to include required algorithms. You can try to enable TLSv1 or TLSv1.1 first.
			JDBC driver may have disabled TLS 1.1 and its earlier versions.

解决方法

https://stackoverflow.com/questions/67332909/why-can-java-not-connect-to-mysql-5-7-after-the-latest-jdk-update-and-how-should

答案简述

I just added useSSL=false and it worked for me.

jdbc:mysql://:/?useSSL=false

I have JDK 8, MySQL 5.7 and mysql-connector-java lib with version 5.1.38

This is useful when you want to execute quickly in local environment only (not staging/test/prod)

spring.r2dbc.url=r2dbc:mysql://host:port/dname?tlsVersion=TLSv1.2

I came here because I had the same issue, but unfortunately,

jdbc:mysql://host:port/dbname?enabledTLSProtocols=TLSv1.2

didn’t work for me because I’m using r2dbc. After a little bit of debugging I found out the name of the parameter must be tlsVersion instead, so you can use, for example: