package test.postgre;

import java.sql.Connection;

import java.sql.DriverManager;

import java.sql.ResultSet;

import java.sql.SQLException;

import java.sql.Statement;

public class SimpleJdbc {

    public static void main(String[] args){
　　　　 String title = "";
        String name = "";

        Connection conn = getConn();

        String sql = "select * from calendar";
　　　　 String sql2 = "select * from calendar where name = ? or title = ? ";

        Statement stmt = null;
　　　　 PreparedStatement pstmt = null;

        ResultSet rs = null;
　　　　 ResultSet rs2 = null;

        try {

            stmt = conn.createStatement();

            rs = stmt.executeQuery(sql);

　　　　　　　pstmt = conn.prepareStatement(sql2);
            pstmt.setString(1,name);
　　　　　　　pstmt.setString(2,title);
            rs2 = pstmt.executeQuery();

            while(rs.next()){

                System.out.println(rs.getInt(1));

            }

        } catch (SQLException e) {

            e.printStackTrace();

        }

    }

    /**

     * database line

     * @return

     */

    public static Connection getConn(){

        Connection conn = null;

        try {

            Class.forName("org.postgresql.Driver");

            String url="jdbc:postgresql://***.**.**.**/test";

            try {

                conn = DriverManager.getConnection(url, "postgres", "postgres");

            } catch (SQLException e) {

                e.printStackTrace();

            }

        } catch (ClassNotFoundException e) {

            e.printStackTrace();

        }

        return conn;

    }

}