java程序员老黄历 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(); 
 } 
}