calendar.js

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<!--
var cal;
var isFocus=false; //是否为焦点
//选择日期 加
function SelectDate(obj,strFormat)
{
    var date = new Date();
    var by = date.getFullYear()-50;  //最小值 → 50 年前
    var ey = date.getFullYear()+50;  //最大值 → 50 年后
    //cal = new Calendar(by, ey,1,strFormat);    //初始化英文版，0 为中文版
    cal = (cal==null) ? new Calendar(by, ey, 1) : cal;    //不用每次都初始化 2006-12-03 修正
    cal.dateFormatStyle = strFormat;
    cal.show(obj);
}
/**
 * 返回日期
 * @param d the delimiter
 * @param p the pattern of your date
 */
String.prototype.toDate = function(style) {
  var y = this.substring(style.indexOf('y'),style.lastIndexOf('y')+1);//年
  var m = this.substring(style.indexOf('M'),style.lastIndexOf('M')+1);//月
  var d = this.substring(style.indexOf('d'),style.lastIndexOf('d')+1);//日
  if(isNaN(y)) y = new Date().getFullYear();
  if(isNaN(m)) m = new Date().getMonth();
  if(isNaN(d)) d = new Date().getDate();
  var dt ;
  eval ("dt = new Date('"+ y+"', '"+(m-1)+"','"+ d +"')");
  return dt;
}

/**
 * 格式化日期
 * @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+" : "天一二三四五六".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;
};

/**
 * 日历类
 * @param   beginYear 1990
 * @param   endYear   2010
 * @param   lang      0(中文)|1(英语) 可自由扩充
 * @param   dateFormatStyle  "yyyy-MM-dd";
 * @version 2006-04-01
 * @author  meizz
 * @update
 */
function Calendar(beginYear, endYear, lang, dateFormatStyle) {
  this.beginYear = 1990;
  this.endYear = 2010;
  this.lang = 0;            //0(中文) | 1(英文)
  this.dateFormatStyle = "yyyy-MM-dd";

  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.container = this.getElementById("ContainerPanel");
  this.form  = null;

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


  this.colors = {
  "cur_word"      : "#FFFFFF",  //当日日期文字颜色
  "cur_bg"        : "#00FF00",  //当日日期单元格背影色
  "sel_bg"        : "#FFCCCC",  //已被选择的日期单元格背影色 2006-12-03 寒羽枫添加
  "sun_word"      : "#FF0000",  //星期天文字颜色
  "sat_word"      : "#0000FF",  //星期六文字颜色
  "td_word_light" : "#333333",  //单元格文字颜色
  "td_word_dark"  : "#CCCCCC",  //单元格文字暗色
  "td_bg_out"     : "#EFEFEF",  //单元格背影色
  "td_bg_over"    : "#FFCC00",  //单元格背影色
  "tr_word"       : "#FFFFFF",  //日历头文字颜色
  "tr_bg"         : "#666666",  //日历头背影色
  "input_border"  : "#CCCCCC",  //input控件的边框颜色
  "input_bg"      : "#EFEFEF"   //input控件的背影色
  }

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

/**
 * 日历类属性（语言包，可自由扩展）
 */
Calendar.language = {
  "year"   : [[""], [""]],
  "months" : [["JAN","FEB","MAR","APR","MAY","JUN","JUL","AUG","SEP","OCT","NOV","DEC"],["1月","2月","3月","4月","5月","6月","7月","8月","9月","10月","11月","12月"]
        
         ],
  "weeks"  : [
        ["SUN","MON","TUR","WED","THU","FRI","SAT"],["日","一","二","三","四","五","六"]
         ],
  "clear"  : [["清空"], ["clear"]],
  "today"  : [["今天"], ["today"]],
  "close"  : [["关闭"], ["close"]]
}

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

  var mvAry = [];
  mvAry[mvAry.length]  = '  <div name="calendarForm" style="margin: 0px;">';
  mvAry[mvAry.length]  = '    <table width="100%" border="0" cellpadding="0" cellspacing="1">';
  mvAry[mvAry.length]  = '      <tr>';
  mvAry[mvAry.length]  = '        <th align="left" width="1%"><input style="border: 1px solid ' + calendar.colors["input_border"] + ';background-color:' + calendar.colors["input_bg"] + ';width:15px;height:15px;" 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" width="1%"><input style="border: 1px solid ' + calendar.colors["input_border"] + ';background-color:' + calendar.colors["input_bg"] + ';width:15px;height:15px;" name="nextMonth" type="button" id="nextMonth" value="&gt;" /></th>';
  mvAry[mvAry.length]  = '      </tr>';
  mvAry[mvAry.length]  = '    </table>';
  mvAry[mvAry.length]  = '    <table id="calendarTable" width="100%" style="border:0px solid #CCCCCC;background-color:#FFFFFF" border="0" cellpadding="2" 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"] + ';width:100%;height:15px;font-size:12px;"/></th>';
  mvAry[mvAry.length]  = '        <th colspan="2"><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"] + ';width:100%;height:15px;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"] + ';width:100%;height:15px;font-size:12px;"/></th>';
  mvAry[mvAry.length]  = '      </tr>';
  mvAry[mvAry.length]  = '    </table>';
  mvAry[mvAry.length]  = '  </div>';
  this.panel.innerHTML = mvAry.join("");
  
  var obj = this.getElementById("prevMonth");
  obj.onclick = function () {calendar.goPrevMonth(calendar);}
  obj.onblur = function () {calendar.onblur();}
  this.prevMonth= obj;
  
  obj = this.getElementById("nextMonth");
  obj.onclick = function () {calendar.goNextMonth(calendar);}
  obj.onblur = function () {calendar.onblur();}
  this.nextMonth= obj;
  
  

  obj = this.getElementById("calendarClear");
  obj.onclick = function () {calendar.dateControl.value = "";calendar.hide();}
  this.calendarClear = obj;
  
  obj = this.getElementById("calendarClose");
  obj.onclick = function () {calendar.hide();}
  this.calendarClose = obj;
  
  obj = this.getElementById("calendarYear");
  obj.onchange = function () {calendar.update(calendar);}
  obj.onblur = function () {calendar.onblur();}
  this.calendarYear = obj;
  
  obj = this.getElementById("calendarMonth");
  with(obj)
  {
    onchange = function () {calendar.update(calendar);}
    onblur = function () {calendar.onblur();}
  }this.calendarMonth = obj;
 
  obj = this.getElementById("calendarToday");
  obj.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();
  }
  this.calendarToday = obj;
}