【升级】mysql-connector-java from 5.1.46 to 8.0.28 ：提升 MySQL 客户端的性能

yudao-framework/yudao-spring-boot-starter-mybatis/pom.xml

@@ -15,10 +15,6 @@
     <description>数据库连接池、多数据源、事务、MyBatis 拓展</description>
     <url>https://github.com/YunaiV/ruoyi-vue-pro</url>
 
-    <properties>
-        <mysql.version>5.1.46</mysql.version>
-    </properties>
-
     <dependencies>
         <dependency>
             <groupId>cn.iocoder.boot</groupId>
@@ -36,7 +32,6 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>${mysql.version}</version>
         </dependency>
         <dependency>
             <groupId>com.oracle.database.jdbc</groupId>

yudao-server/src/main/resources/application-local.yaml

@@ -44,22 +44,24 @@ spring:
       datasource:
         master:
           name: ruoyi-vue-pro
-          url: jdbc:mysql://127.0.0.1:3306/${spring.datasource.dynamic.datasource.master.name}?useSSL=false&allowPublicKeyRetrieval=true&useUnicode=true&characterEncoding=UTF-8&serverTimezone=CTT # MySQL 连接的示例
+          url: jdbc:mysql://127.0.0.1:3306/${spring.datasource.dynamic.datasource.master.name}?allowMultiQueries=true&useUnicode=true&useSSL=false&characterEncoding=UTF-8&serverTimezone=Asia/Shanghai&autoReconnect=true # MySQL Connector/J 8.X 连接的示例
+#          url: jdbc:mysql://127.0.0.1:3306/${spring.datasource.dynamic.datasource.master.name}?useSSL=false&allowPublicKeyRetrieval=true&useUnicode=true&characterEncoding=UTF-8&serverTimezone=CTT # MySQL Connector/J 5.X 连接的示例
 #          url: jdbc:postgresql://127.0.0.1:5432/${spring.datasource.dynamic.datasource.slave.name} # PostgreSQL 连接的示例
 #          url: jdbc:oracle:thin:@127.0.0.1:1521:xe # Oracle 连接的示例
+#          url: jdbc:sqlserver://127.0.0.1:1433;DatabaseName=${spring.datasource.dynamic.datasource.master.name} # SQLServer 连接的示例
           username: root
           password: 123456
-#          url: jdbc:sqlserver://127.0.0.1:1433;DatabaseName=${spring.datasource.dynamic.datasource.master.name} # SQLServer 连接的示例
 #          username: sa
 #          password: JSm:g(*%lU4ZAkz06cd52KqT3)i1?H7W
         slave: # 模拟从库，可根据自己需要修改
           name: ruoyi-vue-pro
-          url: jdbc:mysql://127.0.0.1:3306/${spring.datasource.dynamic.datasource.slave.name}?useSSL=false&allowPublicKeyRetrieval=true&useUnicode=true&characterEncoding=UTF-8&serverTimezone=CTT # MySQL 连接的示例
+          url: jdbc:mysql://127.0.0.1:3306/${spring.datasource.dynamic.datasource.slave.name}?allowMultiQueries=true&useUnicode=true&useSSL=false&characterEncoding=UTF-8&serverTimezone=Asia/Shanghai&autoReconnect=true # MySQL Connector/J 8.X 连接的示例
+#          url: jdbc:mysql://127.0.0.1:3306/${spring.datasource.dynamic.datasource.slave.name}?useSSL=false&allowPublicKeyRetrieval=true&useUnicode=true&characterEncoding=UTF-8&serverTimezone=CTT # MySQL Connector/J 5.X 连接的示例
 #          url: jdbc:postgresql://127.0.0.1:5432/${spring.datasource.dynamic.datasource.slave.name} # PostgreSQL 连接的示例
 #          url: jdbc:oracle:thin:@127.0.0.1:1521:xe # Oracle 连接的示例
+#          url: jdbc:sqlserver://127.0.0.1:1433;DatabaseName=${spring.datasource.dynamic.datasource.slave.name} # SQLServer 连接的示例
           username: root
           password: 123456
-#          url: jdbc:sqlserver://127.0.0.1:1433;DatabaseName=${spring.datasource.dynamic.datasource.slave.name} # SQLServer 连接的示例
 #          username: sa
 #          password: JSm:g(*%lU4ZAkz06cd52KqT3)i1?H7W