Java实现的程序员老黄历实例

package com.test; /**  * activities的枚举  * @author Xiao  *  */ public enum ActivitiesEnum {  ACTIVITIES_1("写单元测试", "写单元测试将减少出错", "写单元测试会降低你的开发效率", false),  ACTIVITIES_2("洗澡", "你几天没洗澡了？", "会把设计方面的灵感洗掉", true),  ACTIVITIES_3("锻炼一下身体", "", "能量没消耗多少，吃得却更多", true),  ACTIVITIES_4("抽烟", "抽烟有利于提神，增加思维敏捷", "除非你活够了，死得早点没关系", true),  ACTIVITIES_5("白天上线", "今天白天上线是安全的", "可能导致灾难性后果", false),  ACTIVITIES_6("重构", "代码质量得到提高", "你很有可能会陷入泥潭", false),  ACTIVITIES_7("使用%t", "你看起来更有品位", "别人会觉得你在装逼", false),  ACTIVITIES_8("跳槽", "该放手时就放手", "鉴于当前的经济形势，你的下一份工作未必比现在强", false),  ACTIVITIES_9("招人", "你面前这位有成为牛人的潜质", "这人会写程序吗？", false),  ACTIVITIES_10("面试", "面试官今天心情很好", "面试官不爽，会拿你出气", false),  ACTIVITIES_11("提交辞职申请", "公司找到了一个比你更能干的人，你赶快滚蛋", "鉴于当前的经济形势，你的下一份工作未必比现在强", false),  ACTIVITIES_12("申请加薪", "老板今天心情很好", "公司正在考虑裁员", false),  ACTIVITIES_13("晚上加班", "晚上是程序员精神最好的时候", "", true),  ACTIVITIES_14("在妹子面前吹牛", "改善你矮穷挫的形象", "会被识破", true),  ACTIVITIES_15("撸管", "避免缓冲区溢出", true),  ACTIVITIES_16("浏览成人网站", "重拾对生活的信心", "你会心神不宁", true),  ACTIVITIES_17("命名变量%v", "", "", false),  ACTIVITIES_18("写超过%l行的方法", "你的代码组织的很好，长一点没关系", "你的代码将混乱不堪，你自己都看不懂", false),  ACTIVITIES_19("提交代码", "遇到冲突的几率是最低的", "你遇到的一大堆冲突会让你觉得自己是不是时间穿越了", false),  ACTIVITIES_20("代码复审", "发现重要问题的几率大大增加", "你什么问题都发现不了，白白浪费时间", false),  ACTIVITIES_21("开会", "写代码之余放松一下打个盹，有益健康",false),  ACTIVITIES_22("打DOTA", "你将有如神助", "你会被虐的很惨", true),  ACTIVITIES_23("晚上上线", "晚上是程序员精神最好的时候", "你白天已经筋疲力尽了", false),  ACTIVITIES_24("修复BUG", "你今天对BUG的嗅觉大大提高", "新产生的BUG将比修复的更多", false),  ACTIVITIES_25("设计评审", "设计评审会议将变成头脑风暴", "人人筋疲力尽，评审就这么过了", false),  ACTIVITIES_26("需求评审", "", "", false),  ACTIVITIES_27("上微博", "今天发生的事不能错过", "今天的微博充满负能量", true),  ACTIVITIES_28("上AB站", "还需要理由吗？", "满屏兄贵亮瞎你的眼", true),  ACTIVITIES_29("玩FlappyBird", "今天破纪录的几率很高", "除非你想玩到把手机砸了", true);  private String name;  private String good;  private String bad;  private Boolean weekend;  ActivitiesEnum(String name, String good, String bad, Boolean weekend){  this.setBad(bad);  this.setGood(good);  this.setName(name);  this.setWeekend(weekend);  }  public String getName() {  return name;  }  public void setName(String name) {  this.name = name;  }  public String getGood() {  return good;  }  public void setGood(String good) {  this.good = good;  }  public String getBad() {  return bad;  }  public void setBad(String bad) {  this.bad = bad;  }  public Boolean getWeekend() {  return weekend;  }  public void setWeekend(Boolean weekend) {  this.weekend = weekend;  } } 

package com.test; public enum SpecialsEnum {  SPECIALS(2014, "bad", "待在男（女）友身边", "脱团火葬场，入团保平安。");  private Integer date;  private String type;  private String name;  private String description;  SpecialsEnum (Integer date, String type, String name, String description){  this.setDate(date);  this.setType(type);  this.setName(name);  this.setDescription(description);  }  public Integer getDate() {  return date;  }  public void setDate(Integer date) {  this.date = date;  }  public String getType() {  return type;  }  public void setType(String type) {  this.type = type;  }  public String getName() {  return name;  }  public void setName(String name) {  this.name = name;  }  public String getDescription() {  return description;  }  public void setDescription(String description) {  this.description = description;  } } 

package com.test; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Arrays; import java.util.Calendar; import java.util.Date; import java.util.HashMap; import java.util.List; import java.util.Locale; import java.util.Map; import java.util.Random; import org.apache.commons.lang.StringUtils; public class ProgrammerCalendar {  private Integer iday = 0;  private String [] weeks = new String[]{"日", "一","二","三","四","五","六"};  private String [] directions = new String[]{"北方","东北方","东方","东南方","南方","西南方","西方","西北方"};  private String [] tools = new String[]{"Eclipse写程序", "MSOffice写文档", "记事本写程序", "Windows8", "Linux", "MacOS", "IE", "Android设备", "iOS设备"};  private String [] varNames = new String[]{"jieguo", "huodong", "pay", "expire", "zhangdan", "every", "free", "i1", "a", "virtual", "ad", "spider", "mima", "pass", "ui"};  private String [] drinks = new String[]{"水","茶","红茶","绿茶","咖啡","奶茶","可乐","鲜奶","豆奶","果汁","果味汽水","苏打水","运动饮料","酸奶","酒"};  public Integer getIday() {  return iday;  }  public String[] getDirections() {  return directions;  }/**  * 注意：本程序中的“随机”都是伪随机概念，以当前的天为种子。  */   public Integer random(Integer daySeed, Integer indexSeed) {  Integer n = daySeed % 11117;  for (int i = 0; i < 100 + indexSeed; i++) {  n = n * n;  n = n % 11117; //11117是个质数  }  return n;  }  public String getTodayString (){  Calendar calendar = Calendar.getInstance();  calendar.setTime(new Date());  return "今天是" + calendar.get(Calendar.YEAR) + "年" + (calendar.get(Calendar.MONTH) + 1)  + "月" + calendar.get(Calendar.DAY_OF_MONTH)  + "日 星期" + weeks[calendar.get(Calendar.DAY_OF_WEEK) - 1];  }  public String star(Integer num) {  String result = "";  int i = 0;  while (i < num) {  result += "★";  i++;  }  while(i < 5) {  result += "☆";  i++;  }  return result;  }  private Boolean isWeekend() {  Locale.setDefault(Locale.CHINA);  Calendar calendar = Calendar.getInstance();  return calendar.get(Calendar.DAY_OF_WEEK) == 1 || calendar.get(Calendar.DAY_OF_WEEK) == 7;  }  public List<ActivitiesEnum> filter() {  List<ActivitiesEnum> thisEnum = new ArrayList<ActivitiesEnum>();  // 周末的话，只留下 weekend = true 的事件  if(isWeekend()) {  for (ActivitiesEnum e : ActivitiesEnum.values()) {  if(e.getWeekend()){  thisEnum.add(e);  }  }  return thisEnum;  }  return new ArrayList<ActivitiesEnum>(Arrays.asList(ActivitiesEnum.values()));  }  public void pickTodaysLuck() {  List<ActivitiesEnum> _activities = filter();  Integer numGood = random(iday, 98) % 3 + 2;  Integer numBad = random(iday, 87) % 3 + 2;  List<Map<String, String>> eventArr = pickRandomActivity(_activities, numGood + numBad);  Integer [] specialSize = pickSpecials();  System.out.println("宜：");  for (int i = 0; i < numGood; i++) {  System.out.println(" " + eventArr.get(i).get("name") + (StringUtils.isNotBlank(eventArr.get(i).get("good")) ? ":" + eventArr.get(i).get("good") : ""));  }  System.out.println("不宜：");  for (int i = 0; i < numBad; i++) {  System.out.println(" " + eventArr.get(numGood + i).get("name") + (StringUtils.isNotBlank(eventArr.get(numGood + i).get("bad")) ? ":" + eventArr.get(numGood + i).get("bad") : ""));  }  }  /**  * 从数组中随机挑选 size 个  * @param size  * @return  */  private List<ActivitiesEnum> pickRandom(List<ActivitiesEnum> _activities, Integer size) {  List<ActivitiesEnum> result = new ArrayList<ActivitiesEnum>();  for (ActivitiesEnum ae : _activities) {  result.add(ae);  }  for (int i = 0; i < _activities.size() - size; i++) {  int index = random(iday, i) % result.size();  result.remove(index);  }  return result;  }  /**  * 从数组中随机挑选 size 个  * @param size  * @return  */  private List<String> pickRandomDrinks(Integer size) {  List<String> result = new ArrayList<String>(Arrays.asList(drinks));  for (int i = 0; i < drinks.length - size; i++) {  int index = random(iday, i) % result.size();  result.remove(index);  }  return result;  }  // 枚举 中随机挑选 size 个  public List<Map<String, String>> pickRandomActivity(List<ActivitiesEnum> _activities, Integer size) {  List<ActivitiesEnum> picked_events = pickRandom(_activities, size);  List<Map<String, String>> mapList = new ArrayList<Map<String,String>>();  for (int i = 0; i < picked_events.size(); i++) {  mapList.add(parse(picked_events.get(i)));  }  return mapList;  }  /**  * 解析占位符并替换成随机内容  * @param ae  * @return  */  public Map<String, String> parse(ActivitiesEnum ae) {  Map<String, String> map = new HashMap<String, String>();  map.put("name", ae.getName());  map.put("good", ae.getGood());  map.put("bad", ae.getBad());  if(map.get("name").indexOf("%v") != -1) {  map.put("name", map.get("name").replaceAll("%v", varNames[random(iday, 12) % varNames.length]));  }  if(map.get("name").indexOf("%t") != -1) {  map.put("name", map.get("name").replaceAll("%t", tools[random(iday, 11) % tools.length]));  }  if(map.get("name").indexOf("%t") != -1) {  map.put("name", map.get("name").replaceAll("%l", (random(iday, 12) % 247 + 30) + ""));  }  return map;  }  public Integer [] pickSpecials () {  Integer [] specialSize = new Integer[]{0, 0};  for (SpecialsEnum se : SpecialsEnum.values()) {  if(iday == se.getDate()){  if(se.getType().equals("good")){  specialSize[0]++;  }else{  specialSize[1]++;  }  System.out.println("name:" + se.getName() + " description:" + se.getDescription());  }  }  return specialSize;  }  public ProgrammerCalendar() {  SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");  try {  iday = Integer.parseInt(sdf.format(new Date()));  } catch (Exception e) {  e.printStackTrace();//懒得引用log了  }  }  public static void main(String[] args) {  ProgrammerCalendar hl = new ProgrammerCalendar();  System.out.println("今天是：" + hl.getTodayString());  System.out.println("座位朝向：面向" + hl.directions[hl.random(hl.getIday(), 2) % hl.getDirections().length] + "写程序，BUG 最少。");  System.out.println("今日宜饮：" + StringUtils.join(hl.pickRandomDrinks(2), ","));  System.out.println("女神亲近指数：" + hl.star(hl.random(hl.getIday(), 6) % 5 + 1));  hl.pickTodaysLuck();  } }