java-操作mysql数据库
时间：2021-07-01 10:21:17
帮助过：7人阅读
com.java1234.util;
import java.sql.Connection;
import java.sql.DriverManager;
public class DbUtil {
private String dbUrl="jdbc:mysql://localhost:3306/db_studentInfo?characterEncoding=utf8"
;
private String dbUserName="root"
;
private String dbPassword="root"
;
private String jdbcName="com.mysql.jdbc.Driver"
;
/**
* 获取数据库连接
* @return
* @throws Exception
*/
public Connection getCon()
throws Exception{
Class.forName(jdbcName);
Connection con=
DriverManager.getConnection(dbUrl,dbUserName,dbPassword);
return con;
}
/**
* 关闭数据库连接
* @param con
* @throws Exception
*/
public void closeCon(Connection con)
throws Exception{
if(con!=
null){
con.close();
}
}
public static void main(String[] args) {
DbUtil dbUtil=
new DbUtil();
try {
dbUtil.getCon();
System.out.println("数据库连接成功"
);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
java-操作mysql数据库
标签：etc dbus except 取数据 jdb trace gen manager mys
