String driver = "com.mysql.jdbc.Driver";

		String url = "jdbc:mysql://127.0.0.1:3306/phpdb";

		String u = "root";

		String p = "sa123456";

		try {

			Class.forName(driver);

			Connection con = DriverManager.getConnection(url,u,p);

			if(!con.isClosed()){

				System.out.println("链接成功...");

				Statement statement = con.createStatement();

				String sql = "select * from articles";

				String insertSql = "insert into articles(title,content) values(?,?)";

				//执行查询操作

				ResultSet rs = statement.executeQuery(sql);

				PreparedStatement ps = con.prepareStatement(insertSql);

				ps.setString(1, "哈哈哈1111");

				ps.setString(2, "写入数据成功啦....");

				//执行增、删、改操作

				ps.executeUpdate();

				while(rs.next()){

					System.out.println(rs.getString("content"));

				}

				rs.close();

				con.close();

			}

		} catch (ClassNotFoundException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		}