月历修改了一下别人的代码自己写的一个新的月历

来源：互联网发布：俊知集团编辑：程序博客网时间：2024/05/02 09:46

<SCRIPT LANGUAGE="JavaScript" TYPE="text/javascript">
　　//定义月历函数
calendar();
function calendar() {
var today = new Date(); //创建日期对象
year = today.getYear(); //读取年份
thisDay = today.getDate(); //读取当前日

//创建每月天数数组
var monthDays = new Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
//如果是闰年，2月份的天数为29天
if (((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0)) monthDays = 29;
daysOfCurrentMonth = monthDays[today.getMonth()]; //从每月天数数组中读取当月的天数
firstDay = today;//复制日期对象
firstDay.setDate(1); //设置日期对象firstDay的日为1号
startDay = firstDay.getDay(); //确定当月第一天是星期几

//定义周日和月份中文名数组
var dayNames = new Array("星期日","星期一","星期二","星期三","星期四","星期五","星期六");
var monthNames = new Array("1月","2月","3月","4月","5月","6月","7月","8月","9月","10月","11月","12月");
//创建日期对象
var newDate = new Date();

//创建表格

document.write("<TABLE BORDER='0' CELLSPACING='0' CELLPADDING='2' ALIGN='CENTER' BGCOLOR='#0080FF'><TR><TD><table border='0' cellspacing='1' cellpadding='2' bgcolor='#88FF99'>");
document.write("<TR><th colspan='7' bgcolor='#C8E3FF'>");

//显示当前日期和周日
document.writeln("" + newDate.getYear() + "年" + monthNames[newDate.getMonth()] + " " + newDate.getDate() + "日 " + dayNames[newDate.getDay()] + "");

//显示月历表头
document.writeln("</TH></TR><TR><TH BGCOLOR='#0080FF'>日</TH>");
document.writeln("<th bgcolor='#0080FF'>一</TH>");
document.writeln("<TH BGCOLOR='#0080FF'>二</TH>");
document.writeln("<TH BGCOLOR='#0080FF'>三</TH>");
document.writeln("<TH BGCOLOR='#0080FF'>四</TH>");
document.writeln("<TH BGCOLOR='#0080FF'>五</TH>");
document.writeln("<TH BGCOLOR='#0080FF'>六</TH>");
document.writeln("</TR>");
var datenowadd=new Date();

do
{
datenowadd.setDate(datenowadd.getDate()-1);
}
while(datenowadd.getMonth()==newDate.getMonth())
datenowadd.setDate(datenowadd.getDate()+1);

var datenowadd_=new Date();

do
{
datenowadd_.setDate(datenowadd_.getDate()+1);
}
while(datenowadd_.getMonth()==newDate.getMonth())
datenowadd_.setDate(datenowadd_.getDate()-1);
var k=1;
for(var i=0;i<5;i++)
{
var str="<TR>";

for(var j=0;j<7;j++)
{
 if(datenowadd.getDay()>j&&i==0||daysOfCurrentMonth <k)
 {
 str+="<th bgcolor='#0080FF'> </TH>";
 }
 else if(newDate.getDate()==k)
 {//alert(daysOfCurrentMonth);
 str+="<th bgcolor='#0080FF'>"+k+"</TH>";
 k++;
 }
 else
 {
 str+="<th bgcolor='#0080FF'>"+k+"</TH>";
 k++;
 }

}
document.writeln(str+"</tr>");
}
}

</SCRIPT>

</body>
</html>