[Java] 日期处理 02 Calendar 类

Calendar c = Calendar.getInstance();
c.setTime(d);
System.out.println(c.get(Calendar.MONTH));

import java.sql.*;
import java.text.SimpleDateFormat;
import java.util.Calendar;

public class TestDate {

    public static void main(String[] args) {
        Connection conn = null;
        Statement stmt = null;
        ResultSet rs = null;
        try {
            Class.forName("com.mysql.jdbc.Driver");

            conn = DriverManager
                    .getConnection("jdbc:mysql://localhost/bbs?user=root&password=root");
            stmt = conn.createStatement();
            rs = stmt.executeQuery("select pdate from article");
            while (rs.next()) {
                Date d = rs.getDate("pdate");
                //SimpleDateFormat sdf = new SimpleDateFormat("yyyy年MM月dd日"); // 重点在于自学的过程
                //System.out.println(sdf.format(d));
                System.out.println(d);
                Calendar c = Calendar.getInstance();
                c.setTime(d);
                System.out.println(c.get(Calendar.MONTH));
            }

        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (SQLException ex) {
            // handle any errors
            System.out.println("SQLException: " + ex.getMessage());
            System.out.println("SQLState: " + ex.getSQLState());
            System.out.println("VendorError: " + ex.getErrorCode());
        } finally {
            try {
                if(rs != null) {
                    rs.close();
                    rs = null;
                }
                if(stmt != null) {
                    stmt.close();
                    stmt = null;
                }
                if(conn != null) {
                    conn.close();
                    conn = null;
                }
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
    }
}