constants.java

基于struts框架编写的在线考试系统

package examonline.utils;

import examonline.beans.*;
import java.util.Arrays;
import java.util.*;
import java.text.*;


public class Constants
{
  public Constants()
  {
  }

  public static final String LOGIN_USER_KEY = "login_user";
  public static final String LOGIN_ADMIN_KEY = "login_admin";
  public static final String DATASOURCE_KEY = "exam";
  //判断登陆的用户类型
  public static final String USER_IS_ADMIN = "admin";
  public static final String USER_IS_STUDENT = "student";

  public static final String FORWORD_SUCCESS = "success";
  public static final String FORWORD_FAILED = "failed";

  public static final String FORWORD_ADMIN_LOGIN = "adminlogin";
  public static final String FORWORD_ADMIN_LOGIN_INFO = "adminLoginInfo";
  public static final String FORWORD_USER_LOGIN = "userlogin";
  //每页显示的最大信息数
  public static final int PAGE_SHOW_MAX = 10;
  /**
   * @param date Date
   * @return String
   */
  public static String formatDate(Date date)
  {
    SimpleDateFormat sdf = new SimpleDateFormat("yyyy.MM.dd");
    String fd = sdf.format(date);
    return fd;
  }

  public static boolean compareArray(String[] arr1, String[] arr2)
  {
    if (arr1 == null || arr2 == null)
      return false;
    if (arr1.length != arr2.length)
      return false;
    Arrays.sort(arr1);
    Arrays.sort(arr2);
    for (int i = 0; i < arr1.length; i++)
    {
      if (!arr1[i].equals(arr2[i]))
        return false;
    }
    return true;
  }



}