JS日历面板，自定义日期时间，月份、年份

发布时间：2018-08-16 14:40:26 所属栏目：编程来源：站长网

导读：基于 Java Script的日历面板，可以自定义日期时间，月份、年份等。作者：淡新举。代码中可以学到一些实用的小知识，比如如何根据年份返回每月天数、如何为为单元格注册事件、如何设定当前版面、如何根据年月加载当前视图等。演示： !DOCTYPE html PUBLIC

　　基于JavaScript的日历面板，可以自定义日期时间，月份、年份等。作者：淡新举。代码中可以学到一些实用的小知识，比如如何根据年份返回每月天数、如何为为单元格注册事件、如何设定当前版面、如何根据年月加载当前视图等。

　　演示：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>JavaScript日历面板</title> <meta http-equiv="Content-Type" content="text/html;charset=gb2312" /> <style type="text/css"> body { font-size:12px; margin:0; } img { border:0px; } /*统一设定ul ,li样式*/ ul , li { margin:0; padding:0; list-style:none; } li { line-height:21px; } /*单元格视图样式*/ #content { width:750px; margin:0 auto; border-left: 1px solid #CCDDEE; } #content .weekTitle { color:#53504D; background:#F1FFE3; height:20px; border-bottom: 1px solid #B8E78B; } #content .weekTitle td { text-align:center; } #content #render { color:#6A6A6B; } #content #render td { height:90px; vertical-align: top; border-right: 1px solid #CCDDEE; border-bottom: 1px solid #CCDDEE; } .dayStyle { color:#6A6A6B; padding-right:2px; padding-top:2px; height:15px; background:#E8EEF7; text-align:right; display:block; } .currDay { background:#FFFFCC; } .disableText { color:#BABDC4; } </style> <script type="text/javascript"> //<![CDATA[ /* * * 根据class属性返回对象 * * msn:danxinju@hotmail.com * * author:淡新举 */ var getElementsByClassName = function(className){ var alls = document.getElementsByTagName("*"); var rets = new Array(); for (var i=0;i<alls.length ; i++) { if (alls[i].className == className) { rets.push(alls[i]); } } return rets; }; var Calendar = { model:function(){} , controller:function(){} , view:function(){} }; //视图层 Calendar.view = function(){ this.currDate = new Date(); this.tds = null; this.days = null; this.backNode = null; this.disableDays = new Array(); }; //根据年份返回每月天数 Calendar.view.getMonthDays = function(year){ var feb = (year % 4 == 0)? 29:28; return new Array(31, feb , 31, 30, 31, 30, 31, 31, 30, 31, 30, 31); }; //初始化 Calendar.view.prototype.init = function(){ this.setCurrMonth(new Date().getFullYear() ,new Date().getMonth()); this.addEventForTd(); }; //为单元格注册事件 Calendar.view.prototype.addEventForTd = function(){ for (var i=0;i<this.tds.length ;i++ ) { this.tds[i].onclick = function(){ var arr = this.getAttribute("dateValue").split("-"); //alert(arr) alert(arr[0] +"-"+ (parseInt(arr[1])+1) +"-"+ arr[2]); }; } }; //设定当前版面 Calendar.view.prototype.setCurrMonth = function(y ,m){ this.currDate.setFullYear(y); this.currDate.setMonth(m); this.currDate.setDate(1); this.loadDaysByMonth(y ,m); }; //标示当前天 Calendar.view.prototype.markCurrDate = function(bDay ,eDay){ var temp = new Date(); if (this.currDate.getFullYear() == temp.getFullYear() && this.currDate.getMonth() == temp.getMonth()) { for (var i=bDay;i<eDay ;i++ ) { if (this.tds[i].getAttribute("dateValue").split("-")[2] == temp.getDate()) { if (this.backNode) { this.backNode.className = ""; } this.tds[i].className = "currDay"; this.backNode = this.tds[i]; return false; } } } }; //复位版面状态 Calendar.view.prototype.reInState = function(){ this.tds[35].parentNode.style.display = "none"; if (this.backNode) { this.backNode.className = ""; } for (var i=0;i<this.disableDays.length ;i++ ) { this.disableDays[i].className = "dayStyle"; } this.disableDays.length = 0; }; //根据年月加载当前视图 Calendar.view.prototype.loadDaysByMonth = function(y ,m){ y = parseInt(y) ,m = parseInt(m); this.reInState(); //复位版面状态 //参数定位 var beginDay = this.currDate.getDay(); var _m = (m == 0)?11 : (m-1); var m_ = (m == 11)?0 : (m+1); var _y = (m == 0)?(y-1) : y; var y_ = (m == 11)?(y+1) : y; var prevMonthDays = Calendar.view.getMonthDays(_y)[_m]; var currMonthDays = Calendar.view.getMonthDays(y)[m]; var prevFlag = prevMonthDays - beginDay + 1 ,currFlag = 1 ,nextFlag = 1; //加载上月信息 for (var i=0;i<beginDay ;i++ ) { this.tds[i].setAttribute("dateValue" ,_y +"-"+ _m +"-"+ prevFlag); this.days[i].innerHTML = prevFlag; this.days[i].className = "dayStyle disableText"; this.disableDays.push(this.days[i]); prevFlag++; } //加载当月信息 for (var i=beginDay;i<currMonthDays+beginDay ;i++ ) { this.tds[i].setAttribute("dateValue" ,y +"-"+ m +"-"+ currFlag); this.days[i].innerHTML = currFlag; currFlag++; } //加载下月信息 for (var i=currMonthDays+beginDay;i<this.days.length ;i++ ) { this.tds[i].setAttribute("dateValue" ,y_ +"-"+ m_ +"-"+ nextFlag); this.days[i].innerHTML = nextFlag; this.days[i].className = "dayStyle disableText"; this.disableDays.push(this.days[i]); nextFlag++; } //若当月数据显示到第7行，那么显示它 if (this.tds[35].getAttribute("dateValue")) { if (this.tds[35].getAttribute("dateValue").split("-")[2] > 20) { this.tds[35].parentNode.style.display = ""; } } //标示当前天 this.markCurrDate(beginDay ,currMonthDays+beginDay); }; window.onload = function(){ view = new Calendar.view(); view.tds = document.getElementById("render").getElementsByTagName("td"); view.days = getElementsByClassName("dayStyle"); view.init(); document.getElementById("testButton").onclick = function(){ view.setCurrMonth(document.getElementById("testYear").value ,document.getElementById("testMonth").value); }; }; //]]> </script> </head> <body> <div id="content"> <select id="testYear"> <option value="2005">2005</option> <option value="2006">2006</option> <option value="2007">2007</option> <option value="2008" selected="selected">2008</option> <option value="2009">2009</option> <option value="2010">2010</option> <option value="2011">2011</option> </select>年 <select id="testMonth"> <option value="0">1</option> <option value="1">2</option> <option value="2">3</option> <option value="3">4</option> <option value="4">5</option> <option value="5">6</option> <option value="6">7</option> <option value="7">8</option> <option value="8">9</option> <option value="9" selected="selected">10</option> <option value="10">11</option> <option value="11">12</option> </select>月 <input type="button" value="设定日期" id="testButton" /> <table width="100%" cellpadding="0" cellspacing="0" class="weekTitle"> <tr> <td>日</td> <td>一</td> <td>二</td> <td>三</td> <td>四</td> <td>五</td> <td>六</td> </tr> </table> <table width="100%" cellpadding="0" cellspacing="0" id="render"> <tr> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> </tr> <tr> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> </tr> <tr> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> </tr> <tr> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> </tr> <tr> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> </tr> <tr style="display:none;"> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> <td><span class="dayStyle"></span><div id="pros"></div></td> </tr> </table> </div> </body> </html><br /><center>如不能显示效果，请按Ctrl+F5刷新本页，更多网页代码：<a href='http://www.veryhuo.com/' target='_blank'>http://www.veryhuo.com/</a></center>
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