一个简单的日期选择器

比眉伴天荒 2022-05-27 08:14 351阅读 0赞 
  1. <%@page  pageEncoding="utf-8"%>
  2. <html>
  3. <head>
  4. <title>JS日期选择器</title>
  5. <script type="text/javascript">
  6. function HS_DateAdd(interval,number,date){
  7.  number = parseInt(number);
  8.  if (typeof(date)=="string"){var date = new Date(date.split("-")[0],date.split("-")[1],date.split("-")[2])}
  9.  if (typeof(date)=="object"){var date = date}
  10.  switch(interval){
  11.  case "y":return new Date(date.getFullYear()+number,date.getMonth(),date.getDate()); break;
  12.  case "m":return new Date(date.getFullYear(),date.getMonth()+number,checkDate(date.getFullYear(),date.getMonth()+number,date.getDate())); break;
  13.  case "d":return new Date(date.getFullYear(),date.getMonth(),date.getDate()+number); break;
  14.  case "w":return new Date(date.getFullYear(),date.getMonth(),7*number+date.getDate()); break;
  15.  }
  16. }
  17. function checkDate(year,month,date){
  18.  var enddate = ["31","28","31","30","31","30","31","31","30","31","30","31"];
  19.  var returnDate = "";
  20.  if (year%4==0){enddate[1]="29"}
  21.  if (date>enddate[month]){returnDate = enddate[month]}else{returnDate = date}
  22.  return returnDate;
  23. }
  25. function WeekDay(date){
  26.  var theDate;
  27.  if (typeof(date)=="string"){theDate = new Date(date.split("-")[0],date.split("-")[1],date.split("-")[2]);}
  28.  if (typeof(date)=="object"){theDate = date}
  29.  return theDate.getDay();
  30. }
  31. function HS_calender(){
  32.  var lis = "";
  33.  var style = "";
  34.  style +="<style type='text/css'>";
  35.  style +=".calender { width:170px; height:auto; font-size:12px; margin-right:14px; background:url(calenderbg.gif) no-repeat right center #fff; border:1px solid #397EAE; padding:1px}";
  36.  style +=".calender ul {list-style-type:none; margin:0; padding:0;}";
  37.  style +=".calender .day { background-color:#EDF5FF; height:20px;}";
  38.  style +=".calender .day li,.calender .date li{ float:left; width:14%; height:20px; line-height:20px; text-align:center}";
  39.  style +=".calender li a { text-decoration:none; font-family:Tahoma; font-size:11px; color:#333}";
  40.  style +=".calender li a:hover { color:#f30; text-decoration:underline}";
  41.  style +=".calender li a.hasArticle {font-weight:bold; color:#f60 !important}";
  42.  style +=".lastMonthDate, .nextMonthDate {color:#bbb;font-size:11px}";
  43.  style +=".selectThisYear a, .selectThisMonth a{text-decoration:none; margin:0 2px; color:#000; font-weight:bold}";
  44.  style +=".calender .LastMonth, .calender .NextMonth{ text-decoration:none; color:#000; font-size:18px; font-weight:bold; line-height:16px;}";
  45.  style +=".calender .LastMonth { float:left;}";
  46.  style +=".calender .NextMonth { float:right;}";
  47.  style +=".calenderBody {clear:both}";
  48.  style +=".calenderTitle {text-align:center;height:20px; line-height:20px; clear:both}";
  49.  style +=".today { background-color:#ffffaa;border:1px solid #f60; padding:2px}";
  50.  style +=".today a { color:#f30; }";
  51.  style +=".calenderBottom {clear:both; border-top:1px solid #ddd; padding: 3px 0; text-align:left}";
  52.  style +=".calenderBottom a {text-decoration:none; margin:2px !important; font-weight:bold; color:#000}";
  53.  style +=".calenderBottom a.closeCalender{float:right}";
  54.  style +=".closeCalenderBox {float:right; border:1px solid #000; background:#fff; font-size:9px; width:11px; height:11px; line-height:11px; text-align:center;overflow:hidden; font-weight:normal !important}";
  55.  style +="</style>";
  57.  var now;
  58.  if (typeof(arguments[0])=="string"){
  59.   selectDate = arguments[0].split("-");
  60.   var year = selectDate[0];
  61.   var month = parseInt(selectDate[1])-1+"";
  62.   var date = selectDate[2];
  63.   now = new Date(year,month,date);
  64.  }else if (typeof(arguments[0])=="object"){
  65.   now = arguments[0];
  66.  }
  67.  var lastMonthEndDate = HS_DateAdd("d","-1",now.getFullYear()+"-"+now.getMonth()+"-01").getDate();
  68.  var lastMonthDate = WeekDay(now.getFullYear()+"-"+now.getMonth()+"-01");
  69.  var thisMonthLastDate = HS_DateAdd("d","-1",now.getFullYear()+"-"+(parseInt(now.getMonth())+1).toString()+"-01");
  70.  var thisMonthEndDate = thisMonthLastDate.getDate();
  71.  var thisMonthEndDay = thisMonthLastDate.getDay();
  72.  var todayObj = new Date();
  73.  today = todayObj.getFullYear()+"-"+todayObj.getMonth()+"-"+todayObj.getDate();
  75.  for (i=0; i<lastMonthDate; i++){  // Last Month's Date
  76.   lis = "<li class='lastMonthDate'>"+lastMonthEndDate+"</li>" + lis;
  77.   lastMonthEndDate--;
  78.  }
  79.  for (i=1; i<=thisMonthEndDate; i++){ // Current Month's Date
  81.   if(today == now.getFullYear()+"-"+now.getMonth()+"-"+i){
  82.    var todayString = now.getFullYear()+"-"+(parseInt(now.getMonth())+1).toString()+"-"+i;
  83.    lis += "<li><a href=javascript:void(0) class='today' οnclick='_selectThisDay(this)' title='"+now.getFullYear()+"-"+(parseInt(now.getMonth())+1)+"-"+i+"'>"+i+"</a></li>";
  84.   }else{
  85.    lis += "<li><a href=javascript:void(0) οnclick='_selectThisDay(this)' title='"+now.getFullYear()+"-"+(parseInt(now.getMonth())+1)+"-"+i+"'>"+i+"</a></li>";
  86.   }
  88.  }
  89.  var j=1;
  90.  for (i=thisMonthEndDay; i<6; i++){  // Next Month's Date
  91.   lis += "<li class='nextMonthDate'>"+j+"</li>";
  92.   j++;
  93.  }
  94.  lis += style;
  96.  var CalenderTitle = "<a href='javascript:void(0)' class='NextMonth' οnclick=HS_calender(HS_DateAdd('m',1,'"+now.getFullYear()+"-"+now.getMonth()+"-"+now.getDate()+"'),this) title='Next Month'>»</a>";
  97.  CalenderTitle += "<a href='javascript:void(0)' class='LastMonth' οnclick=HS_calender(HS_DateAdd('m',-1,'"+now.getFullYear()+"-"+now.getMonth()+"-"+now.getDate()+"'),this) title='Previous Month'>«</a>";
  98.  CalenderTitle += "<span class='selectThisYear'><a href='javascript:void(0)' οnclick='CalenderselectYear(this)' title='Click here to select other year' >"+now.getFullYear()+"</a></span>年<span class='selectThisMonth'><a href='javascript:void(0)' οnclick='CalenderselectMonth(this)' title='Click here to select other month'>"+(parseInt(now.getMonth())+1).toString()+"</a></span>月";
  100.  if (arguments.length>1){
  101.   arguments[1].parentNode.parentNode.getElementsByTagName("ul")[1].innerHTML = lis;
  102.   arguments[1].parentNode.innerHTML = CalenderTitle;
  104.  }else{
  105.   var CalenderBox = style+"<div class='calender'><div class='calenderTitle'>"+CalenderTitle+"</div><div class='calenderBody'><ul class='day'><li>日</li><li>一</li><li>二</li><li>三</li><li>四</li><li>五</li><li>六</li></ul><ul class='date' id='thisMonthDate'>"+lis+"</ul></div><div class='calenderBottom'><a href='javascript:void(0)' class='closeCalender' οnclick='closeCalender(this)'>×</a><span><span><a href=javascript:void(0) οnclick='_selectThisDay(this)' title='"+todayString+"'>Today</a></span></span></div></div>";
  106.   return CalenderBox;
  107.  }
  108. }
  109. function _selectThisDay(d){
  110.  var boxObj = d.parentNode.parentNode.parentNode.parentNode.parentNode;
  111.   boxObj.targetObj.value = d.title;
  112.   boxObj.parentNode.removeChild(boxObj);
  113. }
  114. function closeCalender(d){
  115.  var boxObj = d.parentNode.parentNode.parentNode;
  116.   boxObj.parentNode.removeChild(boxObj);
  117. }
  119. function CalenderselectYear(obj){
  120.   var opt = "";
  121.   var thisYear = obj.innerHTML;
  122.   for (i=1970; i<=2020; i++){
  123.    if (i==thisYear){
  124.     opt += "<option value="+i+" selected>"+i+"</option>";
  125.    }else{
  126.     opt += "<option value="+i+">"+i+"</option>";
  127.    }
  128.   }
  129.   opt = "<select οnblur='selectThisYear(this)' οnchange='selectThisYear(this)' style='font-size:11px'>"+opt+"</select>";
  130.   obj.parentNode.innerHTML = opt;
  131. }
  133. function selectThisYear(obj){
  134.  HS_calender(obj.value+"-"+obj.parentNode.parentNode.getElementsByTagName("span")[1].getElementsByTagName("a")[0].innerHTML+"-1",obj.parentNode);
  135. }
  137. function CalenderselectMonth(obj){
  138.   var opt = "";
  139.   var thisMonth = obj.innerHTML;
  140.   for (i=1; i<=12; i++){
  141.    if (i==thisMonth){
  142.     opt += "<option value="+i+" selected>"+i+"</option>";
  143.    }else{
  144.     opt += "<option value="+i+">"+i+"</option>";
  145.    }
  146.   }
  147.   opt = "<select οnblur='selectThisMonth(this)' οnchange='selectThisMonth(this)' style='font-size:11px'>"+opt+"</select>";
  148.   obj.parentNode.innerHTML = opt;
  149. }
  150. function selectThisMonth(obj){
  151.  HS_calender(obj.parentNode.parentNode.getElementsByTagName("span")[0].getElementsByTagName("a")[0].innerHTML+"-"+obj.value+"-1",obj.parentNode);
  152. }
  153. function HS_setDate(inputObj){
  154.  var calenderObj = document.createElement("span");
  155.  calenderObj.innerHTML = HS_calender(new Date());
  156.  calenderObj.style.position = "absolute";
  157.  calenderObj.targetObj = inputObj;
  158.  inputObj.parentNode.insertBefore(calenderObj,inputObj.nextSibling);
  159. }
  160.   </script>
  161. <style>
  162.   body {font-size:12px}
  163.   td {text-align:center}
  164.   h1 {font-size:26px;}
  165.   h4 {font-size:16px;}
  166.   em {color:#999; margin:0 10px; font-size:11px; display:block}
  167.   </style>
  168. </head>
  169. <body>
  170. <h1>Date Picker Demo By Codefans.net</h1>
  171. <h4 style="border-bottom:1px solid #ccc">ver:1.0</h4>
  172. <table border="1" width="400" height="150">
  173.  <tr>
  174.   <td>这是示例文字</td>
  175.   <td>示例输入框</td>
  176.   <td>文本文本文本</td>
  177.  </tr>
  178.  <tr>
  179.   <td>示例输入框</td>
  180.   <td><input type="text" style="width:70px" οnfοcus="HS_setDate(this)">文本</td>
  181.   <td>这里是你的文字</td>
  182.  </tr>
  183.  <tr>
  184.   <td>一段文字</td>
  185.   <td>示例输入框</td>
  186.   <td>文本<input type="text" style="width:70px" οnfοcus="HS_setDate(this)">文本</td>
  187.  </tr>
  188. </table>
  189. <ul>
  190.  <li>它不需要其他框架类支持</li>
  191.  <li>支持多种浏览器</li>
  192.  <li>点击年份、月份可下拉选择</li>
  193. </ul>
  194. </body>
  195. </html>

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