java-操作mysql数据库
标签：etc dbus except 取数据 jdb trace gen manager mys
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java-操作mysql数据库
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();
}
}
}
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