封装mysql的JDBC

mysql的JDBC接口驱动包的版本和mysql的版本间的关系可以在官网上查到,具体例子见下面,里面没有和JDBC版本匹配的相关描述. http://dev.mysql.com/doc/relnotes/connector-j/en/news-5-1-34.html Version 5.1.34 is a maintenance release of the production 5.1 branch. It is suitable for use with MySQL server versi

http://tomcat.apache.org/tomcat-6.0-doc/jndi-datasource-examples-howto.html 前提:开启TOMCAT,MYsql MySQL DBCP Example0. Introduction Versions of MySQL and JDBC drivers that have been reported to work: MySQL 3.23.47, MySQL 3.23.47 using InnoDB,, MySQL 3.23

1.在Eclipse中新建Java工程 2.引入JDBC库(在bulid path 的extenrnal里) 3. 1)导入sql包(import java.sql.*) 2)加载(注册)mysql jdbc驱动程序 Class.forName("com.mysql.jdbc.Driver"); 3)连接数据库(url) Connection connect=DriverManager.getConnection("jdbc:mysql://localhost:3306/te

<?phpheader('content-type:text/html;charset=utf-8');//封装mysql   连接数据库php_mysql//封装mysql   连接数据库php_mysqli//封装mysql   连接数据库php_pdoclass db{    //三私一共    //私有的静态属性    private static $dbcon = false; //存储数据库连接对象    //私有的构造方法    private function __constru

错误信息: SqlSession [[email protected]] was not registered for synchronization because synchronization is not active Loading class `com.mysql.jdbc.Driver'. This is deprecated. The new driver class is `com.mysql.cj.jdbc.Driver'. The driver is automatical

原因: com/mysql/cj/jdbc/Driver是6.0版本的驱动,兼容JDK8环境,不兼容JDK7环境,在基于jdk7的tomcat中编译运行会出错,在基于jdk8的tomcat中编译运行则不会出错. 解决方案: 1.jdk7+老版5.0驱动com/mysql/jdbc/Driver 2.jdk8+新版6.0驱动com/mysql/cj/jdbc/Driver 原文地址:https://www.cnblogs.com/GH0522/p/9328416.html

在连接数据库时,使用了最新版本的mysql-Connector,所以导致老版本的"com.mysql.jdbc.Drive"不可行,要改为"com.mysql.cj.jdbc.Driver" Loading class `com.mysql.jdbc.Driver'. This is deprecated. The new driver class is `com.mysql.cj.jdbc.Driver'. 原文地址:https://www.cnblogs.com

MyBatis Generator使用com.mysql.cj.jdbc.Driver Mybatis Generator 1.3.5 新建了一个decision库,并创建了一张user表 import org.apache.commons.lang3.StringUtils; import org.mybatis.generator.api.MyBatisGenerator; import org.mybatis.generator.config.*; import org.mybatis.g

调试代码时,发现错误: Loading class `com.mysql.jdbc.Driver'. This is deprecated. The new driver class is `com.mysql.cj.jdbc.Driver'. The driver is automatically registered via the SPI and manual loading of the driver class is generally unnecessary. 在网上巴拉巴拉发现,原