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[PHP]代码- <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>
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