无详细内容 无 htmlheadtitle打印不同图形/titlemeta http-equiv="content-type" content="text/html;charset=utf-8"//headbody bgcolor="#C7EDCC"?php $row = @$_REQUEST['row'];//加@是为了消除一开始页面没有输入数据的notice提示$col = @$_REQUEST['col']
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<html> <head> <title>打印不同图形</title> <meta http-equiv="content-type" content="text/html;charset=utf-8"/> </head> <body bgcolor="#C7EDCC"> <?php $row = @$_REQUEST['row'];//加@是为了消除一开始页面没有输入数据的notice提示 $col = @$_REQUEST['col']; $shape = @$_REQUEST['shape']; function printShape($row,$col,$shape) { switch ($shape) { case 'a': for ($i=1;$i<$row;$i++) { for ($j=0;$j<$col;$j++) echo "*"; echo "<br/>"; } break; case 'b': for ($i=1;$i<$row;$i++) { for ($j=0;$j<$i;$j++) echo "*"; echo "<br/>"; } break; case 'c': for ($i=1;$i<$row;$i++) { for ($k=0;$k<$col-$i;$k++) echo " "; for ($j=0;$j<2*$i-1;$j++) echo "*"; // for ($k=0;$k<round(($col-$i)/2);$k++) // echo " "; echo "<br/>"; } break; case 'd': for ($i=1;$i<=$row;$i++) { for ($k=0;$k<$col-$i;$k++) echo " "; if ($i==1 || $i==$row)//第一行和最后一行不用控制 { for ($j=1;$j<=2*$i-1;$j++) echo "*"; echo "<br/>"; } else { for ($j=1;$j<=2*$i-1;$j++) { if ($j==1 || $j==2*$i-1 ) echo "*"; else echo " "; } echo "<br/>"; } } break; default: echo "您没有输入图形"; break; } } ?> <form action="printShape.php" method="post"> <span>请输入打印的行数:</span><br/><input type="text" name="row" value="<?php echo $row?>"/><br/> <span>请输入打印的列数:</span><br/><input type="text" name="col" value="<?php echo $col?>"/><br/> <span>请输入打印的图形(a -- 矩形 b -- 半三角 c -- 实心金字塔 d--空心金字塔 ):</span><br/> <select name="shape"> <option value='a'>矩形</option> <option value='b'>半三角形</option> <option value='c'>实金字塔</option> <option value='d'>空心金字塔</option> </select> <input type="submit" value="提交打印"/> </form> <?php printShape($row,$col,$shape)?> </body> </html>