java连接mysql数据库的方法

import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Connection;
import java.sql.Statement;

try {
 Connection conn = null;
 String sql;
 Class.forName("com.mysql.jdbc.Driver");// 动态加载mysql驱动
 System.out.println("成功加载MySQL驱动程序");
 conn = DriverManager.getConnection("jdbc:mysql://localhost:3340/databaseName?user=root&password=111111&useUnicode=true&characterEncoding=UTF8");
 Statement stmt = conn.createStatement();
 sql = "create table text(row1 char(20),row2 varchar(20),primary key(NO))";
 int result = stmt.executeUpdate(sql);
 if (result != -1) {
  System.out.println("创建数据表成功");
  sql = "insert into student(row1 ,row2 ) values('111','111')";
  result = stmt.executeUpdate(sql);
  sql = "select * from student";
  ResultSet rs = stmt.executeQuery(sql);
  System.out.println("row1\trow2");
  while (rs.next()) {
   System.out.println(rs.getString(1) + "\t" + rs.getString(2));
  }
 }
} catch (SQLException e) {
 System.out.println("MySQL操作错误");
 e.printStackTrace();
} catch (Exception e) {
 e.printStackTrace();
} finally {
 conn.close();
}