?php
/*
 * Created by PhpStorm.
 * User: admin
 */
header("Content-Type:text/html;charset=utf-8");
date_default_timezone_set("PRC");
$a=@$_GET["a"];
$b=@$_GET["b"];
if($a){
  $a=$a;
}else{
  $a=date('y');
}
if($b){
  $b=$b;
}else{
  $b=date('m');
}
$noe=mktime(0,0,0,$b,1,$a); //獲取當(dāng)前的月的一號(hào)
$year=date("Y",$noe); //當(dāng)前的年
$month=date("m",$noe); //當(dāng)前的月
$week=date("w",$noe); // 每個(gè)月的一號(hào)是星期幾
$days=date("t",$noe); //每個(gè)月的總天數(shù)
$day=date("d"); //獲取今天是幾號(hào)
$as=$year-1; //獲取上一年的年
$bs=$month-1; //獲取上個(gè)月
$bs=$month+1; // 獲取下個(gè)月
$as=$year+1; //獲取下一年
?>
!doctype html>
html lang="en">
head>
  meta charset="UTF-8">
  title>日歷/title>
  style>
    table{
      border: 1px solid #050;
    }
    table th{
      background:#000;
      color:#fff;
      border: 2px solid #050;
    }
  /style>
/head>
body>
 table cellpadding="0" cellspacing="0">
   tr>
     th>a href="?a=?php echo $as; ?>" rel="external nofollow" rel="external nofollow" >上一年/a>/th>
     th>a href="?b=?php echo $bs; ?>" rel="external nofollow" rel="external nofollow" >上個(gè)月/a>/th>
     th>?php echo $year."-".$month."-".$day ?>/th>
     th>a href="?b=?php echo $bs; ?>" rel="external nofollow" rel="external nofollow" >下個(gè)月>>/a>/th>
     th>a href="?a=?php echo $as; ?>" rel="external nofollow" rel="external nofollow" >下一年>>/a>/th>
   /tr>
   tr>
     th>星期日/th>
     th>星期一/th>
     th>星期二/th>
     th>星期三/th>
     th>星期四/th>
     th>星期五/th>
     th>星期六/th>
   /tr>
  tr>
    ?php
    for($i=0;$i$week;$i++){
      echo "td>nbsp;/td>"; //獲取當(dāng)月一號(hào)前面的空格
    }
    for($k=1;$k=$days;$k++){
      if($k==$day){
        echo "th>".$k."/th>"; //輸出今天是幾號(hào)
      }else{
        echo "td>".$k."/td>"; //輸出當(dāng)月天數(shù)
      }
      if(($k+$week)%7==0){
        echo "tr>/tr>"; // 一周七天換行
      }
    }
    ?>
  /tr>
 /table>
/body>
/html>