// 日期选择// By Ziyue(http://www.web-v.com/)// 使用方法：// // var today; document.writeln(" "); function getDays(month, year){ var daysInMonth = new Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31); //下面的这段代码是判断当前是否是闰年的 if (1 == month) return ((0 == year % 4) && (0 != (year % 100))) || (0 == year % 400) ? 29 : 28; else return daysInMonth[month]; } function getToday() { //得到今天的年,月,日 this.now = new Date(); this.year = this.now.getFullYear(); this.month = this.now.getMonth(); this.day = this.now.getDate(); }function getStringDay(str) { //得到输入框的年,月,日 var str=str.split("-") this.now = new Date(parseFloat(str[0]),parseFloat(str[1])-1,parseFloat(str[2])); this.year = this.now.getFullYear(); this.month = this.now.getMonth(); this.day = this.now.getDate(); }function newCalendar() { var parseYear = parseInt(document.all.Year.options[document.all.Year.selectedIndex].value); var newCal = new Date(parseYear, document.all.Month.selectedIndex, 1); var day = -1; var startDay = newCal.getDay(); var daily = 0; if ((today.year == newCal.getFullYear()) &&(today.month == newCal.getMonth())) day = today.day; var tableCal = document.all.calendar; var intDaysInMonth =getDays(newCal.getMonth(), newCal.getFullYear()); for (var intWeek = 1; intWeek < tableCal.rows.length;intWeek++) for (var intDay = 0;intDay < tableCal.rows[intWeek].cells.length;intDay++) { var cell = tableCal.rows[intWeek].cells[intDay]; if ((intDay == startDay) && (0 == daily)) daily = 1; if(day==daily) //今天，调用今天的Class { cell.style.background='#6699CC'; cell.style.color='#FFFFFF'; //cell.style.fontWeight='bold'; } else if(intDay==6) //周六 cell.style.color='green'; else if (intDay==0) //周日 cell.style.color='red'; if ((daily > 0) && (daily <= intDaysInMonth)) { cell.innerText = daily; daily++; } else cell.innerText = ""; } } function GetDate(InputBox){ var sDate; //这段代码处理鼠标点击的情况 if (event.srcElement.tagName == "TD") if (event.srcElement.innerText != "") { sDate = document.all.Year.value + "-" + document.all.Month.value + "-" + event.srcElement.innerText; eval("document.all."+InputBox).value=sDate; HiddenCalendar(); } } function HiddenCalendar(){ //关闭选择窗口 document.all.Calendar.style.visibility='hidden';}function showCalendar(InputBox){ var months = new Array("一月", "二月", "三月", "四月", "五月", "六月", "七月", "八月", "九月", "十月", "十一月", "十二月"); var days = new Array("日","一", "二", "三", "四", "五", "六"); var x,y,intLoop,intWeeks,intDays; var DivContent; var year,month,day; var o=eval("document.all."+InputBox); var thisyear; //真正的今年年份 thisyear=new getToday(); thisyear=thisyear.year; today = o.value; if(isDate(today)) today = new getStringDay(today); else today = new getToday(); //显示的位置 x=o.offsetLeft; y=o.offsetTop; while(o=o.offsetParent) { x+=o.offsetLeft; y+=o.offsetTop; } document.all.Calendar.style.left=x+2; document.all.Calendar.style.top=y+20; document.all.Calendar.style.visibility="visible"; //下面开始输出日历表格(border-color:#9DBAF7) DivContent=" "; DivContent+=" "; DivContent+=" | "; //年 DivContent+=""; //月 DivContent+=""; DivContent+=" | "; DivContent+=" S | "; DivContent+="
"; DivContent+=" "; DivContent+=" "; //星期 DivContent+=" "; for (intLoop = 0; intLoop < days.length; intLoop++) DivContent+=" | " + days[intLoop] + " | "; DivContent+=" "; //天 for (intWeeks = 0; intWeeks < 6; intWeeks++) { DivContent+=" "; for (intDays = 0; intDays < days.length; intDays++) DivContent+=" | "; DivContent+=" "; } DivContent+=" |
"; document.all.Calendar.innerHTML=DivContent; newCalendar();}function isDate(dateStr){ var datePat = /^(\d{4})(\-)(\d{1,2})(\-)(\d{1,2})$/; var matchArray = dateStr.match(datePat); if (matchArray == null) return false; var month = matchArray[3]; var day = matchArray[5]; var year = matchArray[1]; if (month < 1 || month > 12) return false; if (day < 1 || day > 31) return false; if ((month==4 || month==6 || month==9 || month==11) && day==31) return false; if (month == 2) { var isleap = (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0)); if (day > 29 || (day==29 && !isleap)) return false; } return true;}