前端实现日历
日歷實(shí)現(xiàn)：
點(diǎn)左右的箭頭可以跳到想看的月份日歷。
index.html：
<html lang="en"> <head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>簡(jiǎn)單日歷</title><link rel="stylesheet" href="css/rl.css"/><script src="js/rl.js"></script> </head> <body onload="showDate();"><div><div id="calendar"><div><button onclick="lastMonth();"><img src="img/left.png"/></button><span id="dqrq"></span><button onclick="nextMonth();"><img src="img/right.png"/></button></div><div><div class="everyday">日</div><div class="everyday">一</div><div class="everyday">二</div><div class="everyday">三</div><div class="everyday">四</div><div class="everyday">五</div><div class="everyday">六</div></div><div id="day"></div></div> </div></body> </html>rl.css:?
div{text-align: center;margin-top: 10px;margin-bottom: 10px; } #calendar{ border-bottom: 1px black solid;width:400px;margin:auto; } button{border:none;background-color: white;width:20px;height: 20px; } #month{width: 320px;float:left;height: 40px;margin-top: 0;margin-bottom: 0; } .everyday{width:56px;float: left; }rl.js:
var today=new Date(); var year=today.getFullYear();//獲得年份 var month=today.getMonth()+1;//獲得月份，getMonth是從0-11的 var day=today.getDate();//獲得當(dāng)前日 var days=0; //先判斷每個(gè)月應(yīng)該有的天數(shù) function count(){if(month!=2){if((month==4)||(month==6)||(month==9)||(month==11)){days=30;}else{days=31;}}else{if((year%4)==0&&(year%100)!=0||year%400==0){days=29;}else{days=28;}} } //輸出當(dāng)前日期 function showMonth(){var year_month=year+"年"+month+"月"+day+"日";document.getElementById("dqrq").innerHTML=year_month; }function showDate(){showMonth();count();var firstdate=new Date(year,month-1,1);var xq=firstdate.getDay();var daterow=document.getElementById("day");daterow.innerHTML="";if(xq!=0){for(var i=0;i<xq;i++){var dayElement=document.createElement("div");dayElement.className="everyday";daterow.appendChild(dayElement);}}for(var j=1;j<=days;j++){var dayElement=document.createElement("div");dayElement.className="everyday";dayElement.innerHTML=j+"";if(j==day){dayElement.style.color="red";}daterow.appendChild(dayElement);} } //上個(gè)月 function lastMonth(){if(month>1) {month=month-1;}else{month=12;year=year-1;}showDate(); } //下個(gè)月 function nextMonth(){if(month<12) {month=month+1;}else{month=1;year=year+1;}showDate(); }?
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