calenderJS.js

/* * author: misshjn * email: [email protected] * homepage: www.happyshow.org * createDate: 2007-02-23 */ function HS_DateAdd(interval,number,date){ number = parseInt(number); if (typeof(date)=="string"){var date = new Date(date.split("-")[0],date.split("-")[1],date.split("-")[2])} if (typeof(date)=="object"){var date = date} switch(interval){ case "y":return new Date(date.getFullYear()+number,date.getMonth(),date.getDate()); break; case "m":return new Date(date.getFullYear(),date.getMonth()+number,checkDate(date.getFullYear(),date.getMonth()+number,date.getDate())); break; case "d":return new Date(date.getFullYear(),date.getMonth(),date.getDate()+number); break; case "w":return new Date(date.getFullYear(),date.getMonth(),7*number+date.getDate()); break; } } function checkDate(year,month,date){ var enddate = ["31","28","31","30","31","30","31","31","30","31","30","31"]; var returnDate = ""; if (year%4==0){enddate[1]="29"} if (date>enddate[month]){returnDate = enddate[month]}else{returnDate = date} return returnDate; } function WeekDay(date){ var theDate; if (typeof(date)=="string"){theDate = new Date(date.split("-")[0],date.split("-")[1],date.split("-")[2]);} if (typeof(date)=="object"){theDate = date} return theDate.getDay(); } function HS_calender(){ var lis = ""; var style = ""; /*可以把下面的css剪切出去獨立一個css文件*/ style +=""; var now; if (typeof(arguments[0])=="string"){ selectDate = arguments[0].split("-"); var year = selectDate[0]; var month = parseInt(selectDate[1])-1+""; var date = selectDate[2]; now = new Date(year,month,date); }else if (typeof(arguments[0])=="object"){ now = arguments[0]; } var lastMonthEndDate = HS_DateAdd("d","-1",now.getFullYear()+"-"+now.getMonth()+"-01").getDate(); var lastMonthDate = WeekDay(now.getFullYear()+"-"+now.getMonth()+"-01"); var thisMonthLastDate = HS_DateAdd("d","-1",now.getFullYear()+"-"+(parseInt(now.getMonth())+1).toString()+"-01"); var thisMonthEndDate = thisMonthLastDate.getDate(); var thisMonthEndDay = thisMonthLastDate.getDay(); var todayObj = new Date(); today = todayObj.getFullYear()+"-"+todayObj.getMonth()+"-"+todayObj.getDate(); for (i=0; i" + lis; lastMonthEndDate--; } for (i=1; i<=thisMonthEndDate; i++){ // Current Month's Date if(today == now.getFullYear()+"-"+now.getMonth()+"-"+i){ var todayString = now.getFullYear()+"-"+(parseInt(now.getMonth())+1).toString()+"-"+i; lis += ""+i+""; }else{ lis += ""+i+""; } } var j=1; for (i=thisMonthEndDay; i<6; i++){ // Next Month's Date lis += ""+j+""; j++; } lis += style; var CalenderTitle = "»"; CalenderTitle += "«"; CalenderTitle += ""+now.getFullYear()+""+(parseInt(now.getMonth())+1).toString()+"月"; if (arguments.length>1){ arguments[1].parentNode.parentNode.getElementsByTagName("ul")[1].innerHTML = lis; arguments[1].parentNode.innerHTML = CalenderTitle; }else{ var CalenderBox = style+"
"+CalenderTitle+"
  • "+lis+"
"; return CalenderBox; } } function _selectThisDay(d){ var boxObj = d.parentNode.parentNode.parentNode.parentNode.parentNode; boxObj.targetObj.value = d.title; boxObj.parentNode.removeChild(boxObj); } function closeCalender(d){ var boxObj = d.parentNode.parentNode.parentNode; boxObj.parentNode.removeChild(boxObj); } function CalenderselectYear(obj){ var opt = ""; var thisYear = obj.innerHTML; for (i=1970; i<=2020; i++){ if (i==thisYear){ opt += ""+i+""; }else{ opt += ""+i+""; } } opt = ""; obj.parentNode.innerHTML = opt; } function selectThisYear(obj){ HS_calender(obj.value+"-"+obj.parentNode.parentNode.getElementsByTagName("span")[1].getElementsByTagName("a")[0].innerHTML+"-1",obj.parentNode); } function CalenderselectMonth(obj){ var opt = ""; var thisMonth = obj.innerHTML; for (i=1; i<=12; i++){ if (i==thisMonth){ opt += ""+i+""; }else{ opt += ""+i+""; } } opt = ""; obj.parentNode.innerHTML = opt; } function selectThisMonth(obj){ HS_calender(obj.parentNode.parentNode.getElementsByTagName("span")[0].getElementsByTagName("a")[0].innerHTML+"-"+obj.value+"-1",obj.parentNode); } function HS_setDate(inputObj){ var calenderObj = document.createElement("span"); calenderObj.innerHTML = HS_calender(new Date()); calenderObj.style.position = "absolute"; calenderObj.targetObj = inputObj; inputObj.parentNode.insertBefore(calenderObj,inputObj.nextSibling); }
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