页面代码:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="content-type" content="text/html;charset=utf-8"> <title>JavaScript Sample</title> <style type="text/css"> div #dataTextContainer { border:1px #A5ACB2 solid; width: 100px; height: 19px; text-align: right; float:left; } div #dataTextContainer input { border-width: 0px; border-style: none; border-color: transparent; width: 68px; height: 14px; font-size: 12px; text-align: left; } div #dataTextContainer button { width: 22px; height: 19px; margin: 0px; padding:0px; text-align: center; } div #calendarContainer { width: 200px; height: 100px; z-index: 10000; font-size: 13px; } </style> <script type="text/javascript" src="inputDate.js"></script> </head> <body> <div id = "dataTextContainer"> <input name="dataText" id="dateText" type="text" onfocus="javascript:getCurrentDay();"/> <button onclick="javascript:displayCalendar();"> <img src="rili.jpg" width="15" height="12"> </button> </div> <div id="calendarContainer"></div> </body> </html>
Javascript代码:
function getCurrentDay() { var newDate = new Date; var odate = document.getElementById("dateText"); var date_year = newDate.getFullYear(); var date_month = newDate.getMonth() + 1; var date_today = newDate.getDate(); odate.value = date_year+"-"+date_month+"-"+date_today; } function displayCalendar() { drawCalendar(); } function closeCalendar() { var oCalendarContainer = document.getElementById("calendarContainer"); oCalendarContainer.innerHTML = ""; } function drawCalendar(sYear,sMonth) { var newDate; if(arguments[0] == null || arguments[1] == null) { newDate = new Date(); } else { newDate = new Date(sYear,sMonth - 1); } var date_year = newDate.getFullYear(); var date_month = newDate.getMonth() + 1; var date_today = newDate.getDate(); var date_day = newDate.getDay(); var nextMonth = date_month + 1; var nextYear = date_year; var prevMonth = date_month - 1; var prevYear = date_year; if(sMonth == 12) { nextMonth = 1; nextYear = date_year + 1; } if(sMonth == 1) { prevMonth = 12; prevYear = date_year - 1; } var calendarTable = ""; calendarTable += '<table width="200" border="0" cellpadding="0" cellspacing="0" style="background-color:#0066FF;text-align:center;">'; calendarTable += ' <tr style="background-color:#339999;">'; //向前翻年 calendarTable += '<td colspan="2" onclick="javascript:drawCalendar('+(prevYear - 1)+','+prevMonth+');"'+ ' style="cursor:pointer;background-color:#FF6600;"><<<</td>'; //向前翻月 calendarTable += '<td colspan="2" onclick="javascript:drawCalendar('+prevYear+','+prevMonth+');"'+ ' style="cursor:pointer;background-color:#FF6600;"><<</td>'; //向后翻月 calendarTable += '<td colspan="2" onclick="javascript:drawCalendar('+nextYear+','+nextMonth+');"'+ ' style="cursor:pointer;background-color:#FF6600;">>></td>'; //向后翻年 calendarTable += '<td colspan="1" onclick="javascript:drawCalendar('+(nextYear + 1)+','+nextMonth+');"'+ ' style="cursor:pointer;background-color:#FF6600;">>>></td>'; calendarTable += ' </tr>'; //星期表头 calendarTable += ' <tr style="background-color:#6699FF;">'; calendarTable += ' <td>日</td>'; calendarTable += ' <td>一</td>'; calendarTable += ' <td>二</td>'; calendarTable += ' <td>三</td>'; calendarTable += ' <td>四</td>'; calendarTable += ' <td>五</td>'; calendarTable += ' <td>六</td>'; calendarTable += ' </tr>'; //计算一个月内的天数,注意闰月 var dayNum_in_month = [31,28,31,30,31,30,31,31,30,31,30,31]; var isleapyear = date_year % 4; if(isleapyear == 0) { dayNum_in_month[1] = 29; } var month_alldays = dayNum_in_month[date_month - 1]; //计算行数,line_top表示当前日期上面的行数,包括当前行;line_bot表示当前日期下面的行数,不包括当前行 var line_top; var line_bot; if((date_today - date_day + 1) % 7 != 0) { line_top = Math.floor((date_today - date_day + 1) / 7) + 1; } else { line_top = Math.floor((date_today - date_day + 1) / 7); } if((30 - date_today + date_day + 1) % 7 != 0) { line_bot = Math.floor((30 - date_today + date_day + 1) / 7) + 1; } else { line_bot = Math.floor((30 - date_today + date_day + 1) / 7); } //定义一个二维数组,预备一个6*7的数组,数组中每个元素对应一个单元格(日期) var dateList = new Array([""],[""],[""],[""],[""],[""],[""]); var dateCell; for(var i = 1; i < 7; i++) { //i是行数 calendarTable += ' <tr>'; for(var j = 0; j < 7; j++) { //j是列数 dateList[i][j] = date_today - 7 * (line_top - i + 1) + j - date_day; //如果武器<=0,置空 if((date_today - 7 * (line_top - i + 1) + j - date_day) <= 0) { dateList[i][j] = " "; } //如果日期大于月总天数,则不显示 if((date_today - 7 * (line_top - i + 1) + j - date_day) > month_alldays) { dateList[i][j] = " "; } if(dateList[i][j] != " ") { //如果单元格不是空,那么可以设置其触发三个事件,共有三个事件 //1、单击事件,将当前日期写入文本框 //2、鼠标指针移到单元格上,改变背景 //3、鼠标指针离开单元格,背景复原 dateCell = '<td onclick="javascript:setDateText('+date_year+','+date_month+',this.firstChild.nodeValue);"'+'onmouseover="javascript:setFocus(this);"'+' onmouseout="javascript:setFocusOut(this);"'+ ' style="cursor:pointer;">'+dateList[i][j]+'</td>'; if(i == line_top && j == line_bot) { dateCell = '<td onclick="javascript:setDateText('+date_year+','+date_month+',this.firstChild.nodeValue);"'+'onmouseover="javascript:setFocus(this);"'+' onmouseout="javascript:setFocusOut(this);"'+ ' style="cursor:pointer;background-color:#FF6600;">'+dateList[i][j]+'</td>'; } } else { dateCell = "<td> </td>"; } calendarTable += dateCell; } calendarTable += '</tr>'; } calendarTable += '<tr><td colspan="7"'+'onclick="javascript:closeCalendar();"'+'style="background-color#339999;cursor:pointer;color:red;font-weight:bold">'+'关闭('+date_year+"年"+date_month+"月"+')</td></tr>'; calendarTable += '</table>'; //将日期写入 var oCalendarContainer = document.getElementById("calendarContainer"); oCalendarContainer.innerHTML = calendarTable; } //当鼠标指针指到当前日期单元格 function setFocus(obj) { obj.style.backgroundColor = "#FF6600"; } //当鼠标指针离开当前日期单元格 function setFocusOut(obj) { obj.style.backgroundColor = ""; } //鼠标单击当前单元格 function setDateText(sYear,sMonth,sDate) { var oDateText = document.getElementById("dateText"); oDateText.value = sYear + "-" + sMonth + "-" + sDate; }
效果:>>下一月 >>>下一年 <<上一月 <<<上一年
JavaScript实现简单日历,布布扣,bubuko.com
时间: 2024-10-14 16:39:47