[Java] 日期处理 01 SimpleDataFormat 学习

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

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));
}

} 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();
}
}

}

}