HTML中嵌入PHP的简单方法

2020-02-21 20:43:07

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我们以一个提交订单和显示订单信息的例子为学习PHP的开始。这个例子包含两个文件。一个提交订单的html文件：orderform.html，一个显示订单信息的php文件：processorder.php。我将这两个文件放在test_1文件夹下，将test_1文件夹放在htdocs目录下。
文件的组织形式如下图所示，使用xampps安装的集成环境。

提交订单的html文件orderform.html如下所示：

<form action="processorder.php" method="post">  <table>    <tr bgcolor="#cccccc">      <td width="150">Item</td>      <td width="15">Quantity</td>    </tr>    <tr>      <td>Tires</td>      <td align="center"><input type="text" name="tireqty" size="3" maxlength="3" /></td>    </tr>    <tr>      <td>Oil</td>      <td align="center"><input type="text" name="oilqty" size="3" maxlength="3" /></td>    </tr>    <tr>      <td>Spark Plugs</td>      <td align="center"><input type="text" name="sparkqty" size="3" maxlength="3" /></td>    </tr>    <tr>      <td colspan="2" align="center"><input type="submit" value="Submit Order" /></td>    </tr>  </table></form>

显示订单信息的php文件processorder.php如下所示：

<?php// create short variable names, also can use '$_REQUEST['name']'$tireqty = $_POST['tireqty'];$oilqty = $_POST['oilqty'];$sparkqty = $_POST['sparkqty'];?><!DOCTYPE html><html><head>  <title>Bob 's Auto Parts - Order Results</title></head><body>  <h1>Bob 's Auto Parts</h1>  <h2>Order Results</h2>  <?php  echo "<p>Order processed at ";  echo date('H:i, jS F Y')."</p>";  echo "<p>Your order is as follows: </p>";  echo "$tireqty tires<br />";  echo $oilqty.' bottles of oil<br />';  echo $sparkqty." spark plugs<br />"  ?>  ---------------------------------------------------<br />  <?php  $testHeredoc = <<< EOF  line 1    line 2    line 3  EOF;  echo "$testHeredoc"."<br />";  ?>  ---------------------------------------------------<br />  <?php  echo "About Comment:";  //Here is a comment.  #Here is a comment too.  /*  Here is multi line comment.  Here is multi line comment.   */  ?></body></html>

在浏览器中输入http://localhost/test_1/orderform.html，将显示填写订单信息页面，如下所示：