[转]JS日期选择控件

转自:http://home.phpchina.com/space.php?uid=30772&do=blog&id=38011
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/**
 * ·µ»ØÈÕÆÚ
 * @param d the delimiter
 * @param p the pattern of your date
 */
String.prototype.toDate = function(x, p) {
  if(x == null) x = "-";
  if(p == null) p = "ymd";
  var a = this.split(x);
  var y = parseInt(a[p.indexOf("y")]);
  //remember to change this next century ;)
  if(y.toString().length <= 2) y += 2000;
  if(isNaN(y)) y = new Date().getFullYear();
  var m = parseInt(a[p.indexOf("m")]) - 1;
  var d = parseInt(a[p.indexOf("d")]);
  if(isNaN(d)) d = 1;
  return new Date(y, m, d);
}

/**
 * ¸ñʽ»¯ÈÕÆÚ
 * @param   d the delimiter
 * @param   p the pattern of your date
 * @author  meizz
 */
Date.prototype.format = function(style) {
  var o = {
    "M+" : this.getMonth() + 1, //month
    "d+" : this.getDate(),      //day
    "h+" : this.getHours(),     //hour
    "m+" : this.getMinutes(),   //minute
    "s+" : this.getSeconds(),   //second
    "w+" : "ÌìÒ»¶þÈýËÄÎåÁù".charAt(this.getDay()),   //week
    "q+" : Math.floor((this.getMonth() + 3) / 3),  //quarter
    "S"  : this.getMilliseconds() //millisecond
  }
  if(/(y+)/.test(style)) {
    style = style.replace(RegExp.$1,
    (this.getFullYear() + "").substr(4 - RegExp.$1.length));
  }
  for(var k in o){
    if(new RegExp("("+ k +")").test(style)){
      style = style.replace(RegExp.$1,
        RegExp.$1.length == 1 ? o[k] :
        ("00" + o[k]).substr(("" + o[k]).length));
    }
  }
  return style;
};

/**
 * ÈÕÀúÀà
 * @param   beginYear 1990
 * @param   endYear   2010
 * @param   lang      0(ÖÐÎÄ)|1(Ó¢Óï) ¿É×ÔÓÉÀ©³ä
 * @param   dateFormatStyle  "yyyy-MM-dd";
 * @version 2006-04-01
 * @author  KimSoft (jinqinghua [at] gmail.com)
 * @update
 */
function Calendar(beginYear, endYear, lang, dateFormatStyle) {
  this.beginYear = beginYear;
  this.endYear = endYear;
  this.lang = lang;            //0(ÖÐÎÄ) | 1(Ó¢ÎÄ)
  this.dateFormatStyle = dateFormatStyle;

  if (beginYear != null && endYear != null){
    this.beginYear = beginYear;
    this.endYear = endYear;
  }
  if (lang != null){
    this.lang = lang
  }

  if (dateFormatStyle != null){
    this.dateFormatStyle = dateFormatStyle
  }

  this.dateControl = null;
  this.panel = this.getElementById("calendarPanel");
  this.form  = null;

  this.date = new Date();
  this.year = this.date.getFullYear();
  this.month = this.date.getMonth();


  this.colors = {
  "cur_word"      : "#FFFFFF",  //µ±ÈÕÈÕÆÚÎÄ×ÖÑÕÉ«
  "cur_bg"        : "#00FF00",  //µ±ÈÕÈÕÆÚµ¥Ôª¸ñ±³Ó°É«
  "sun_word"      : "#FF0000",  //ÐÇÆÚÌìÎÄ×ÖÑÕÉ«
  "sat_word"      : "#0000FF",  //ÐÇÆÚÁùÎÄ×ÖÑÕÉ«
  "td_word_light" : "#333333",  //µ¥Ôª¸ñÎÄ×ÖÑÕÉ«
  "td_word_dark"  : "#CCCCCC",  //µ¥Ôª¸ñÎÄ×Ö°µÉ«
  "td_bg_out"     : "#EFEFEF",  //µ¥Ôª¸ñ±³Ó°É«
  "td_bg_over"    : "#FFCC00",  //µ¥Ôª¸ñ±³Ó°É«
  "tr_word"       : "#FFFFFF",  //ÈÕÀúÍ·ÎÄ×ÖÑÕÉ«
  "tr_bg"         : "#666666",  //ÈÕÀúÍ·±³Ó°É«
  "input_border"  : "#CCCCCC",  //input¿Ø¼þµÄ±ß¿òÑÕÉ«
  "input_bg"      : "#EFEFEF"   //input¿Ø¼þµÄ±³Ó°É«
  }

  this.draw();
  this.bindYear();
  this.bindMonth();
  this.changeSelect();
  this.bindData();
}

/**
 * ÈÕÀúÀàÊôÐÔ£¨ÓïÑÔ°ü£¬¿É×ÔÓÉÀ©Õ¹£©
 */
Calendar.language = {
  "year"   : [[""], [""]],
  "months" : [["Ò»ÔÂ","¶þÔÂ","ÈýÔÂ","ËÄÔÂ","ÎåÔÂ","ÁùÔÂ","ÆßÔÂ","°ËÔÂ","¾ÅÔÂ","Ê®ÔÂ","ʮһÔÂ","Ê®¶þÔÂ"],
        ["JAN","FEB","MAR","APR","MAY","JUN","JUL","AUG","SEP","OCT","NOV","DEC"]
         ],
  weeks  : [["ÈÕ","Ò»","¶þ","Èý","ËÄ","Îå","Áù"],
        ["SUN","MON","TUR","WED","THU","FRI","SAT"]
         ],
  "clear"  : [["Çå¿Õ"], ["CLS"]],
  "today"  : [["½ñÌì"], ["TODAY"]],
  "close"  : [["¹Ø±Õ"], ["CLOSE"]]
}

Calendar.prototype.draw = function() {
  calendar = this;

  var mvAry = [];
  var charset  = '  <meta http-equiv="Content-Type" content="text/html; charset=gb2312">';
  mvAry[mvAry.length]  = '  <form name="calendarForm" style="margin: 0px;">';
  mvAry[mvAry.length]  = '    <table width="200px" border="0" cellpadding="0" cellspacing="1">';
  mvAry[mvAry.length]  = '      <tr>';
  mvAry[mvAry.length]  = '        <th align="left"><input style="border: 1px solid ' + calendar.colors["input_border"] + ';background-color:' + calendar.colors["input_bg"] + ';;height:20px;" name="prevMonth" type="button" id="prevMonth" value="&lt;" /></th>';
  mvAry[mvAry.length]  = '        <th align="center" width="98%" nowrap="nowrap"><select name="calendarYear" id="calendarYear" style="font-size:12px;"></select><select name="calendarMonth" id="calendarMonth" style="font-size:12px;"></select></th>';
  mvAry[mvAry.length]  = '        <th align="right"><input style="border: 1px solid ' + calendar.colors["input_border"] + ';background-color:' + calendar.colors["input_bg"] + ';;height:20px;" name="nextMonth" type="button" id="nextMonth" value=">" /&gt;</th>';
  mvAry[mvAry.length]  = '      </tr>';
  mvAry[mvAry.length]  = '    </table>';
  mvAry[mvAry.length]  = '    <table id="calendarTable" width="200px" style="border:0px solid #CCCCCC;background-color:#FFFFFF" border="0" cellpadding="3" cellspacing="1">';
  mvAry[mvAry.length]  = '      <tr>';
  for(var i = 0; i < 7; i++) {
    mvAry[mvAry.length]  = '      <th style="font-weight:normal;background-color:' + calendar.colors["tr_bg"] + ';color:' + calendar.colors["tr_word"] + ';">' + Calendar.language.weeks[this.lang][i] + '</th>';
  }
  mvAry[mvAry.length]  = '      </tr>';
  for(var i = 0; i < 6;i++){
    mvAry[mvAry.length]  = '    <tr align="center">';
    for(var j = 0; j < 7; j++) {
      if (j == 0){
        mvAry[mvAry.length]  = '  <td style="cursor:default;color:' + calendar.colors["sun_word"] + ';"></td>';
      } else if(j == 6) {
        mvAry[mvAry.length]  = '  <td style="cursor:default;color:' + calendar.colors["sat_word"] + ';"></td>';
      } else {
        mvAry[mvAry.length]  = '  <td style="cursor:default;"></td>';
      }
    }
    mvAry[mvAry.length]  = '    </tr>';
  }
  mvAry[mvAry.length]  = '      <tr style="background-color:' + calendar.colors["input_bg"] + ';">';
  mvAry[mvAry.length]  = '        <th colspan="2"><input name="calendarClear" type="button" id="calendarClear" value="' + Calendar.language["clear"][this.lang] + '" style="border: 1px solid ' + calendar.colors["input_border"] + ';background-color:' + calendar.colors["input_bg"] + ';height:20px;font-size:12px;"/></th>';
  mvAry[mvAry.length]  = '        <th colspan="3"><input name="calendarToday" type="button" id="calendarToday" value="' + Calendar.language["today"][this.lang] + '" style="border: 1px solid ' + calendar.colors["input_border"] + ';background-color:' + calendar.colors["input_bg"] + ';height:20px;font-size:12px;"/></th>';
  mvAry[mvAry.length]  = '        <th colspan="2"><input name="calendarClose" type="button" id="calendarClose" value="' + Calendar.language["close"][this.lang] + '" style="border: 1px solid ' + calendar.colors["input_border"] + ';background-color:' + calendar.colors["input_bg"] + ';height:20px;font-size:12px;"/></th>';
  mvAry[mvAry.length]  = '      </tr>';
  mvAry[mvAry.length]  = '    </table>';
  mvAry[mvAry.length]  = '  </form>';
  this.panel.innerHTML = mvAry.join("");
  this.form = document.forms["calendarForm"];

  this.form.prevMonth.onclick = function () {calendar.goPrevMonth(this);}
  this.form.nextMonth.onclick = function () {calendar.goNextMonth(this);}

  this.form.calendarClear.onclick = function () {calendar.dateControl.value = "";calendar.hide();}
  this.form.calendarClose.onclick = function () {calendar.hide();}
  this.form.calendarYear.onchange = function () {calendar.update(this);}
  this.form.calendarMonth.onchange = function () {calendar.update(this);}
  this.form.calendarToday.onclick = function () {
    var today = new Date();
    calendar.date = today;
    calendar.year = today.getFullYear();
    calendar.month = today.getMonth();
    calendar.changeSelect();
    calendar.bindData();
    calendar.dateControl.value = today.format(calendar.dateFormatStyle);
    calendar.hide();
  }

}

//Äê·ÝÏÂÀ­¿ò°ó¶¨Êý¾Ý
Calendar.prototype.bindYear = function() {
  var cy = this.form.calendarYear;
  cy.length = 0;
  for (var i = this.beginYear; i <= this.endYear; i++){
    cy.options[cy.length] = new Option(i + Calendar.language["year"][this.lang], i);
  }
}

//Ô·ÝÏÂÀ­¿ò°ó¶¨Êý¾Ý
Calendar.prototype.bindMonth = function() {
  var cm = this.form.calendarMonth;
  cm.length = 0;
  for (var i = 0; i < 12; i++){
    cm.options[cm.length] = new Option(Calendar.language["months"][this.lang][i], i);
  }
}

//ÏòÇ°Ò»ÔÂ
Calendar.prototype.goPrevMonth = function(e){
  if (this.year == this.beginYear && this.month == 0){return;}
  this.month--;
  if (this.month == -1) {
    this.year--;
    this.month = 11;
  }
  this.date = new Date(this.year, this.month, 1);
  this.changeSelect();
  this.bindData();
}

//ÏòºóÒ»ÔÂ
Calendar.prototype.goNextMonth = function(e){
  if (this.year == this.endYear && this.month == 11){return;}
  this.month++;
  if (this.month == 12) {
    this.year++;
    this.month = 0;
  }
  this.date = new Date(this.year, this.month, 1);
  this.changeSelect();
  this.bindData();
}

//¸Ä±äSELECTÑ¡ÖÐ״̬
Calendar.prototype.changeSelect = function() {
  var cy = this.form.calendarYear;
  var cm = this.form.calendarMonth;
  for (var i= 0; i < cy.length; i++){
    if (cy.options[i].value == this.date.getFullYear()){
      cy[i].selected = true;
      break;
    }
  }
  for (var i= 0; i < cm.length; i++){
    if (cm.options[i].value == this.date.getMonth()){
      cm[i].selected = true;
      break;
    }
  }
}

//¸üÐÂÄê¡¢ÔÂ
Calendar.prototype.update = function (e){
  this.year  = e.form.calendarYear.options[e.form.calendarYear.selectedIndex].value;
  this.month = e.form.calendarMonth.options[e.form.calendarMonth.selectedIndex].value;
  this.date = new Date(this.year, this.month, 1);
  this.changeSelect();
  this.bindData();
}

//°ó¶¨Êý¾Ýµ½ÔÂÊÓͼ
Calendar.prototype.bindData = function () {
  var calendar = this;
  var dateArray = this.getMonthViewArray(this.date.getYear(), this.date.getMonth());
  var tds = this.getElementById("calendarTable").getElementsByTagName("td");
  for(var i = 0; i < tds.length; i++) {
  //tds[i].style.color = calendar.colors["td_word_light"];
  tds[i].style.backgroundColor = calendar.colors["td_bg_out"];
    tds[i].onclick = function () {return;}
    tds[i].onmouseover = function () {return;}
    tds[i].onmouseout = function () {return;}
    if (i > dateArray.length - 1) break;
    tds[i].innerHTML = dateArray[i];
    if (dateArray[i] != "&nbsp;"){
      tds[i].onclick = function () {
        if (calendar.dateControl != null){
          calendar.dateControl.value = new Date(calendar.date.getFullYear(),
                                                calendar.date.getMonth(),
                                                this.innerHTML).format(calendar.dateFormatStyle);
        }
        calendar.hide();
      }
      tds[i].onmouseover = function () {
        this.style.backgroundColor = calendar.colors["td_bg_over"];
      }
      tds[i].onmouseout = function () {
        this.style.backgroundColor = calendar.colors["td_bg_out"];
      }
      if (new Date().format(calendar.dateFormatStyle) ==
          new Date(calendar.date.getFullYear(),
                   calendar.date.getMonth(),
                   dateArray[i]).format(calendar.dateFormatStyle)) {
        //tds[i].style.color = calendar.colors["cur_word"];
        tds[i].style.backgroundColor = calendar.colors["cur_bg"];
        tds[i].onmouseover = function () {
          this.style.backgroundColor = calendar.colors["td_bg_over"];
        }
        tds[i].onmouseout = function () {
          this.style.backgroundColor = calendar.colors["cur_bg"];
        }
      }//end if
    }
  }
}

//¸ù¾ÝÄê¡¢Ôµõ½ÔÂÊÓͼÊý¾Ý(Êý×éÐÎʽ)
Calendar.prototype.getMonthViewArray = function (y, m) {
  var mvArray = [];
  var dayOfFirstDay = new Date(y, m, 1).getDay();
  var daysOfMonth = new Date(y, m + 1, 0).getDate();
  for (var i = 0; i < 42; i++) {
    mvArray[i] = "&nbsp;";
  }
  for (var i = 0; i < daysOfMonth; i++){
    mvArray[i + dayOfFirstDay] = i + 1;
  }
  return mvArray;
}

//À©Õ¹ document.getElementById(id) ¶àä¯ÀÀÆ÷¼æÈÝÐÔ from meizz tree source
Calendar.prototype.getElementById = function(id){
  if (typeof(id) != "string" || id == "") return null;
  if (document.getElementById) return document.getElementById(id);
  if (document.all) return document.all(id);
  try {return eval(id);} catch(e){ return null;}
}

//À©Õ¹ object.getElementsByTagName(tagName)
Calendar.prototype.getElementsByTagName = function(object, tagName){
  if (document.getElementsByTagName) return document.getElementsByTagName(tagName);
  if (document.all) return document.all.tags(tagName);
}

//È¡µÃHTML¿Ø¼þ¾ø¶ÔλÖÃ
Calendar.prototype.getAbsPoint = function (e){
  var x = e.offsetLeft;
  var y = e.offsetTop;
  while(e = e.offsetParent){
    x += e.offsetLeft;
    y += e.offsetTop;
  }
  return {"x": x, "y": y};
}

//ÏÔʾÈÕÀú
Calendar.prototype.show = function (dateControl, popControl) {
  if (dateControl == null){
    throw new Error("arguments[0] is necessary")
  }
  this.dateControl = dateControl;
  if (dateControl.value.length > 0){
  this.date = new Date(dateControl.value.toDate());
  this.year = this.date.getFullYear();
  this.month = this.date.getMonth();
    this.changeSelect();
    this.bindData();
  }
  if (popControl == null){
    popControl = dateControl;
  }
  var xy = this.getAbsPoint(popControl);
  this.panel.style.left = xy.x + "px";
  this.panel.style.top = (xy.y + dateControl.offsetHeight) + "px";
  this.setDisplayStyle("select", "hidden");
  this.panel.style.visibility = "visible";
}

//Òþ²ØÈÕÀú
Calendar.prototype.hide = function() {
  this.setDisplayStyle("select", "visible");
  this.panel.style.visibility = "hidden";
}

//ÉèÖÿؼþÏÔʾ»òÒþ²Ø
Calendar.prototype.setDisplayStyle = function(tagName, style) {
  var tags = this.getElementsByTagName(null, tagName)
  for(var i = 0; i < tags.length; i++) {
    if (tagName.toLowerCase() == "select" &&
       (tags[i].name == "calendarYear" ||
      tags[i].name == "calendarMonth")){
      continue;
    }
    tags[i].style.visibility = style;
  }
}

document.write('<div id="calendarPanel" style="position: absolute;visibility: hidden;z-index: 9999;background-color: #FFFFFF;border: 1px solid #CCCCCC;;font-size:12px;"></div>');
//var calendar = new Calendar();
//µ÷ÓÃcalendar.show(dateControl, popControl);
//--&gt;
</script>
</HEAD>

<BODY>
 <input name="date" type="text" id="date1" onclick="new Calendar('1980', '2010', 1,'yyyy-MM-dd').show(this);" />
</BODY>
</HTML>


posted @ 2009-08-24 21:52  xjy  阅读(612)  评论(0编辑  收藏  举报