//查詢兩個結果
Class.forName("com.mysql.jdbc.Driver");
Connection con = DriverManager.getConnection(
"jdbc:mysql://localhost:3306/ecshop?useUnicode=true&characterEncoding=UTF8",
"root",
"123456");
String sql = "Select * from ecs_article where article_id=? and title=?" ;
PreparedStatement pstmt = con.prepareStatement(sql);
pstmt.setInt(1, 1);
pstmt.setString(2, "免責條款");
ResultSet rs = pstmt.executeQuery();
while(rs.next()) {
	int id = rs.getInt(1);
	String title = rs.getString(3);
	System.out.println(id + ", " + title);
}
rs.close();
pstmt.clearParameters();
pstmt.setInt(1, 2);
pstmt.setString(2, "隱私保護");
rs = pstmt.executeQuery();
while(rs.next()) {
	int id = rs.getInt(1);
	String title = rs.getString(3);
	System.out.println(id + ", " + title);
}
//釋放資源，順序和建立的順序相反
rs.close();
pstmt.close();
con.close();