运行效果截图如下：
完整代码如下：
<!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> <script type="text/javascript"> function startTime() { //获取当前系统日期 var today=new Date() var y=today.getFullYear() var mo=today.getMonth() var da=today.getDate() var h=today.getHours() var m=today.getMinutes() var s=today.getSeconds() var weekString="日一二三四五六" var TheDate=new Date(); var CalendarData=new Array(20); var madd=new Array(12); var numString="一二三四五六七八九十"; var monString="正二三四五六七八九十冬腊"; var cYear; var cMonth; var cDay; var cHour; var cDateString; var DateString; var Browser=navigator.appName; function init() { CalendarData[0]=0x41A95; CalendarData[1]=0xD4A; CalendarData[2]=0xDA5; CalendarData[3]=0x20B55; CalendarData[4]=0x56A; CalendarData[5]=0x7155B; CalendarData[6]=0x25D; CalendarData[7]=0x92D; CalendarData[8]=0x5192B; CalendarData[9]=0xA95; CalendarData[10]=0xB4A; CalendarData[11]=0x416AA; CalendarData[12]=0xAD5; CalendarData[13]=0x90AB5; CalendarData[14]=0x4BA; CalendarData[15]=0xA5B; CalendarData[16]=0x60A57; CalendarData[17]=0x52B; CalendarData[18]=0xA93; CalendarData[19]=0x40E95; madd[0]=0; madd[1]=31; madd[2]=59; madd[3]=90; madd[4]=120; madd[5]=151; madd[6]=181; madd[7]=212; madd[8]=243; madd[9]=273; madd[10]=304; madd[11]=334; } function GetBit(m,n) { return (m>>n)&1; } function e2c() { var total,m,n,k; var isEnd=false; var tmp=TheDate.getYear(); if (tmp<1900) tmp+=1900; total=(tmp-2001)*365 +Math.floor((tmp-2001)/4) +madd[TheDate.getMonth()] +TheDate.getDate() -23; if (TheDate.getYear()%4==0&&TheDate.getMonth()>1) total++; for(m=0;;m++) { k=(CalendarData[m]<0xfff)?11:12; for(n=k;n>=0;n--) { if(total<=29+GetBit(CalendarData[m],n)) { isEnd=true; break; } total=total-29-GetBit(CalendarData[m],n); } if(isEnd)break; } cYear=2001 + m; cMonth=k-n+1; cDay=total; if(k==12) { if(cMonth==Math.floor(CalendarData[m]/0x10000)+1) cMonth=1-cMonth; if(cMonth>Math.floor(CalendarData[m]/0x10000)+1) cMonth--; } cHour=Math.floor((TheDate.getHours()+3)/2); } function GetcDateString() { var tmp=""; if(cMonth<1) { tmp+="闰"; tmp+=monString.charAt(-cMonth-1); } else tmp+=monString.charAt(cMonth-1); tmp+="月"; tmp+=(cDay<11)?"初":((cDay<20)?"十":((cDay<30)?"廿":"卅")); if(cDay%10!=0||cDay==10) tmp+=numString.charAt((cDay-1)%10); tmp+=" "; cDateString=tmp; return tmp; } init(); e2c(); GetcDateString(); //调用checkTime（）函数，小于十的数字前加0 m=checkTime(m) s=checkTime(s) //s设置层txt的内容 document.getElementById('txt').innerHTML=y+"年"+(mo+1)+"月"+da+"日 "+h+":"+m+":"+s+" 星期"+weekString.charAt(today.getDay())+" 农历"+cDateString //过500毫秒再调用一次 t=setTimeout('startTime()',500) //小于10，加0 function checkTime(i) { if(i<10) {i="0"+i} return i } } </script> </head> <body> <div></div> <script> startTime() </script> <div> <iframe src="http://m.weather.com.cn/m/pn11/weather.htm " marginwidth="0" marginheight="0" hspace="0" vspace="0" frameborder="0" scrolling="no"></iframe> </div> </body> </html>
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