偶然在RunJS中发现的，收藏一波
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效果
运行效果
HTML页面代码
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta description="runjs.cn 首发，求好看的 CSS">
<meta description="信则有，不信则无，总之作者不会对该程序生成的内容负任何责任。">
<meta description="虽然在微博发现冒充原作者的账号，但不想打击大家 fork 的热情，所以页面上不会有任何关于作者的声明。">
<meta author="twitter: @fake_faith, G+: Yiding He">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
<title>程序员老黄历</title>
<script id="jquery_183" type="text/javascript" class="library" src="/js/sandbox/jquery/jquery-1.8.3.min.js"></script>
</head>
<body>
<div class="container">
<div class="title">
程序员老黄历<sup>beta</sup>
</div>
<div class="date">
</div>
<div class="good">
<div class="title">
<table>
<tr><td>宜</td></tr>
</table>
</div>
<div class="content">
<ul></ul>
</div>
<div class="clear"></div>
</div>
<div class="split"></div>
<div class="bad">
<div class="title">
<table>
<tr><td>不宜</td></tr>
</table>
</div>
<div class="content">
<ul></ul>
</div>
<div class="clear"></div>
</div>
<div class="split"></div>
<div class="line-tip">
<strong>座位朝向：</strong>面向<span class="direction_value"></span>写程序，BUG 最少。
</div>
<div class="line-tip">
<strong>今日宜饮：</strong><span class="drink_value"></span>
</div>
<div class="line-tip">
<strong>女神亲近指数：</strong><span class="goddes_value"></span>
</div>
<div class="adlink">
<a href="http://sandbox.runjs.cn/show/yu9cs4i4" target="dev_qiu_qian">想求签？</a>
</div>
<div class="comment">
<ul>
<li>本老黄历尚处于beta阶段，作者随时会修改，所以如果上午看到的内容跟下午不同，请勿惊慌；</li>
<li>本老黄历仅面向程序员；</li>
<li>本老黄历内容是程序生成的，因为只有这样程序员才会信。</li>
</ul>
</div>
</div>
</body>
</html>
CSS样式
body * {
font-family:"Consolas","Microsoft Yahei", Arial, sans-serif;
}
body {
background: white;
margin: 0;
padding: 0;
}
.container {
width: 320px;
margin: 0 auto 50px;
}
.container>.title {
color: #bbb;
font-weight: bold;
margin-bottom: 10px;
background: #555;
padding: 5px 15px;
}
.adlink {
text-align: center;
font-size: 11pt;
}
.adlink a {
text-decoration: none;
display:block;
color: #666;
font-weight: bold;
margin-bottom: 10px;
background: #eee;
border: 1px solid #ddd;
border-radius: 4px;
padding: 10pt;
margin-top: 10pt;
}
.date{
font-size:17pt;
font-weight: bold;
line-height: 30pt;
text-align: center;
}
.split, .clear {
clear: both;
height: 1px;
overflow-y: hidden;
}
.good, .bad {
clear: both;
position: relative;
}
.bad {
/*top: -1px;*/
}
.good .title, .bad .title {
float: left;
width: 100px;
font-weight: bold;
text-align: center;
font-size: 30pt;
position:absolute;
top:0;
bottom:0;
}
.good .title>table, .bad .title>table {
position:absolute;
width:100%;
height:100%;
border:none;
}
.good .title {
background: #ffee44;
}
.someday .good .title {
background: #aaaaaa;
}
.bad .title {
background: #ff4444;
color: #fff;
}
.someday .bad .title {
background: #666666;
color: #fff;
}
.good .content, .bad .content {
margin-left: 115px;
padding-right: 10px;
padding-top: 1px;
font-size:15pt;
}
.someday .good {
background: #dddddd;
}
.someday .bad {
background: #aaaaaa;
}
.good {
background: #ffffaa;
}
.bad {
background: #ffddd3;
}
.content ul {
list-style: none;
margin:10px 0 0;
padding:0;
}
.content ul li {
line-height:150%;
font-size: 15pt;
font-weight: bold;
color: #444;
}
.content ul li div.description {
font-size: 11pt;
font-weight: normal;
color: #777;
line-height: 110%;
margin-bottom: 10px;
}
.line-tip {
font-size: 11pt;
margin-top: 10px;
margin-left: 10px;
}
.direction_value {
color:#4a4;
font-weight: bold;
}
.someday .direction_value {
color:#888;
}
.goddes_value {
color: #f87;
}
.someday .goddes_value {
color: #777;
}
.comment {
margin-top: 50px;
font-size: 11pt;
margin-left: 10px;
}
.comment ul {
margin-left: 0;
padding-left: 20px;
color: #999;
}
JS实现
//
/*
* 注意：本程序中的“随机”都是伪随机概念，以当前的天为种子。
*/
function random(dayseed, indexseed) {
var n = dayseed % 11117;
for (var i = 0; i < 100 + indexseed; i++) {
n = n * n;
n = n % 11117; // 11117 是个质数
}
return n;
}
var today = new Date();
var iday = today.getFullYear() * 10000 + (today.getMonth() + 1) * 100 + today.getDate();
var weeks = ["日","一","二","三","四","五","六"];
var directions = ["北方","东北方","东方","东南方","南方","西南方","西方","西北方"];
var activities = [
{name:"写单元测试", good:"写单元测试将减少出错",bad:"写单元测试会降低你的开发效率"},
{name:"洗澡", good:"你几天没洗澡了？",bad:"会把设计方面的灵感洗掉", weekend: true},
{name:"锻炼一下身体", good:"",bad:"能量没消耗多少，吃得却更多", weekend: true},
{name:"抽烟", good:"抽烟有利于提神，增加思维敏捷",bad:"除非你活够了，死得早点没关系", weekend: true},
{name:"白天上线", good:"今天白天上线是安全的",bad:"可能导致灾难性后果"},
{name:"重构", good:"代码质量得到提高",bad:"你很有可能会陷入泥潭"},
{name:"使用%t", good:"你看起来更有品位",bad:"别人会觉得你在装逼"},
{name:"跳槽", good:"该放手时就放手",bad:"鉴于当前的经济形势，你的下一份工作未必比现在强"},
{name:"招人", good:"你面前这位有成为牛人的潜质",bad:"这人会写程序吗？"},
{name:"面试", good:"面试官今天心情很好",bad:"面试官不爽，会拿你出气"},
{name:"提交辞职申请", good:"公司找到了一个比你更能干更便宜的家伙，巴不得你赶快滚蛋",bad:"鉴于当前的经济形势，你的下一份工作未必比现在强"},
{name:"申请加薪", good:"老板今天心情很好",bad:"公司正在考虑裁员"},
{name:"晚上加班", good:"晚上是程序员精神最好的时候",bad:"", weekend: true},
{name:"在妹子面前吹牛", good:"改善你矮穷挫的形象",bad:"会被识破", weekend: true},
{name:"LOL", good:"避免缓冲区溢出",bad:"强撸灰飞烟灭", weekend: true},
{name:"浏览成人网站", good:"重拾对生活的信心",bad:"你会心神不宁", weekend: true},
{name:"命名变量\"%v\"", good:"",bad:""},
{name:"写超过%l行的方法", good:"你的代码组织的很好，长一点没关系",bad:"你的代码将混乱不堪，你自己都看不懂"},
{name:"提交代码", good:"遇到冲突的几率是最低的",bad:"你遇到的一大堆冲突会让你觉得自己是不是时间穿越了"},
{name:"代码复审", good:"发现重要问题的几率大大增加",bad:"你什么问题都发现不了，白白浪费时间"},
{name:"开会", good:"写代码之余放松一下打个盹，有益健康",bad:"小心被扣屎盆子背黑锅"},
{name:"打DOTA", good:"你将有如神助",bad:"你会被虐的很惨", weekend: true},
{name:"晚上上线", good:"晚上是程序员精神最好的时候",bad:"你白天已经筋疲力尽了"},
{name:"修复BUG", good:"你今天对BUG的嗅觉大大提高",bad:"新产生的BUG将比修复的更多"},
{name:"设计评审", good:"设计评审会议将变成头脑风暴",bad:"人人筋疲力尽，评审就这么过了"},
{name:"需求评审", good:"",bad:""},
{name:"上微博", good:"今天发生的事不能错过",bad:"今天的微博充满负能量", weekend: true},
{name:"上AB站", good:"还需要理由吗？",bad:"满屏兄贵亮瞎你的眼", weekend: true},
{name:"玩FlappyBird", good:"今天破纪录的几率很高",bad:"除非你想玩到把手机砸了", weekend: true}
];
var specials = [
{date:20140214, type:'bad', name:'待在男（女）友身边', description:'脱团火葬场，入团保平安。'}
];
var tools = ["Eclipse写程序", "MSOffice写文档", "记事本写程序", "Windows8", "Linux", "MacOS", "IE", "Android设备", "iOS设备"];
var varNames = ["jieguo", "huodong", "pay", "expire", "zhangdan", "every", "free", "i1", "a", "virtual", "ad", "spider", "mima", "pass", "ui"];
var drinks = ["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"];
function is_someday() {
return today.getMonth() == 5 && today.getDate() == 4;
}
function getTodayString() {
return "今天是" + today.getFullYear() + "年" + (today.getMonth() + 1) + "月" + today.getDate() + "日 星期" + weeks[today.getDay()];
}
function star(num) {
var result = "";
var i = 0;
while (i < num) {
result += "★";
i++;
}
while(i < 5) {
result += "☆";
i++;
}
return result;
}
// 生成今日运势
function pickTodaysLuck() {
var _activities = filter(activities);
var numGood = random(iday, 98) % 3 + 2;
var numBad = random(iday, 87) % 3 + 2;
var eventArr = pickRandomActivity(_activities, numGood + numBad);
var specialSize = pickSpecials();
for (var i = 0; i < numGood; i++) {
addToGood(eventArr[i]);
}
for (var i = 0; i < numBad; i++) {
addToBad(eventArr[numGood + i]);
}
}
// 去掉一些不合今日的事件
function filter(activities) {
var result = [];
// 周末的话，只留下 weekend = true 的事件
if (isWeekend()) {
for (var i = 0; i < activities.length; i++) {
if (activities[i].weekend) {
result.push(activities[i]);
}
}
return result;
}
return activities;
}
function isWeekend() {
return today.getDay() == 0 || today.getDay() == 6;
}
// 添加预定义事件
function pickSpecials() {
var specialSize = [0,0];
for (var i = 0; i < specials.length; i++) {
var special = specials[i];
if (iday == special.date) {
if (special.type == 'good') {
specialSize[0]++;
addToGood({name: special.name, good: special.description});
} else {
specialSize[1]++;
addToBad({name: special.name, bad: special.description});
}
}
}
return specialSize;
}
// 从 activities 中随机挑选 size 个
function pickRandomActivity(activities, size) {
var picked_events = pickRandom(activities, size);
for (var i = 0; i < picked_events.length; i++) {
picked_events[i] = parse(picked_events[i]);
}
return picked_events;
}
// 从数组中随机挑选 size 个
function pickRandom(array, size) {
var result = [];
for (var i = 0; i < array.length; i++) {
result.push(array[i]);
}
for (var j = 0; j < array.length - size; j++) {
var index = random(iday, j) % result.length;
result.splice(index, 1);
}
return result;
}
// 解析占位符并替换成随机内容
function parse(event) {
var result = {name: event.name, good: event.good, bad: event.bad}; // clone
if (result.name.indexOf('%v') != -1) {
result.name = result.name.replace('%v', varNames[random(iday, 12) % varNames.length]);
}
if (result.name.indexOf('%t') != -1) {
result.name = result.name.replace('%t', tools[random(iday, 11) % tools.length]);
}
if (result.name.indexOf('%l') != -1) {
result.name = result.name.replace('%l', (random(iday, 12) % 247 + 30).toString());
}
return result;
}
// 添加到“宜”
function addToGood(event) {
$('.good .content ul').append('<li><div class="name">' + event.name + '</div><div class="description">' + event.good + '</div></li>');
}
// 添加到“不宜”
function addToBad(event) {
$('.bad .content ul').append('<li><div class="name">' + event.name + '</div><div class="description">' + event.bad + '</div></li>');
}
$(function(){
if (is_someday()) {document.body.className = 'someday'};
$('.date').html(getTodayString());
$('.direction_value').html(directions[random(iday, 2) % directions.length]);
$('.drink_value').html(pickRandom(drinks,2).join('，'));
$('.goddes_value').html(star(random(iday, 6) % 5 + 1));
pickTodaysLuck();
});
来源：https://runjs.cn/code/ydp3it7b
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