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php - Php : Everything below the header is invisible in firefox, 中可能出现错误,但在 chrome 中工作正常

转载 作者:行者123 更新时间:2023-11-29 05:16:44 24 4
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代码如下:

<html>
<head>
<title>emarket.com</title>
<link rel="stylesheet" type="text/css" href="./style.css"/>
</head>
<header>
<h1><a href="index.php" style="text-decoration:none">emarket.com</a></h1>
<h1><a href="postad.php" style="text-decoration:none; padding-left:700px">Post Ad</a></h1>
</header>
<body>

<?php
if(!empty($_POST)){
$title=$_POST['title'];
$description=$_POST['description'];
$district=$_POST['district'];
$phone=$_POST['phone'];
$catagory=$_POST['catagory'];
$price=$_POST['price'];

mysql_connect("localhost","root","");
mysql_select_db("maindb");

mysql_query("INSERT into allads VALUES(NULL,'$title','$phone','$description', '$price','$district','$catagory')");
echo "<span style='background-color: deepskyblue;'>Your advert is now online!</span>";
}
?>


<form class="postad" method="post" action="">
<fieldset><caption><h2>Post New Advert</h2></caption></fieldset>
<fieldset>
<label>Title</label><br/>
<input type="text" name="title" class="form-text" required>
</fieldset>
<fieldset>
<label>Description</label><br/>
<input name="description" class="form-text" required>
</fieldset>
<fieldset>
<label>District</label><br/>
<select name="district"required>
<option selected>Colombo</option>
<option>Kandy</option>
<option>Matara</option>
<option>Galle</option>
</select>
</fieldset>
<fieldset>
<label>Category</label><br/>
<select name="catagory"required>
<option value="Electronics">Electronics</option>
<option value="Property">House and Property</option>
<option value="Auto">Automobiles</option>
<option value="Misc">Miscellaneous</option>
</select>
</fieldset>
<fieldset>
<label>Phone</label><br/>
<input type="tel" name="phone" maxlength="10" class="form-text" required>
</fieldset>
<fieldset>
<label>Price</label><br/>
Rs. <input type="number" name="price" class="form-text" required>
</fieldset>
<fieldset>
<input type="submit" name="submit" value="submit"/>
</fieldset>
</form>
</body>
</html>

这是在我进入 PHP 部分后发生的,在此之前它在 Firefox 中可见。其他具有 PHP 的文件(如主页)工作正常。在 chrome 中,不仅网站可见,而且运行良好。表单中的内容毫无问题地插入到 sql 表中。

最佳答案

您是否知道您对 mysql 注入(inject)攻击有多脆弱?请开始使用 pdo。 mysql_* 已弃用。

我已经为您清理了函数。 php 部分只会在您单击提交按钮后执行。

<?php

mysql_connect("localhost","root","");
mysql_select_db("maindb");
if(isset($_POST['submit']))
{

$title=isset($_POST['title']) ? $_POST['title'] : '';
$description=isset($_POST['description']) ? $_POST['description'] : '';
$district=isset($_POST['district']) ? $_POST['district'] : '';
$phone=isset($_POST['phone']) ? $_POST['phone'] : '';
$catagory=isset($_POST['catagory']) ? $_POST['catagory'] : '';
$price=isset($_POST['price']) ? $_POST['price'] : '';
if(!empty($title) && !empty($description) && !empty($district) && !empty($phone) && !empty($catagory) && !empty($price))
{
$q = mysql_query("INSERT into allads VALUES(NULL,'$title','$phone','$description', '$price','$district','$catagory')");
if($q)
{
echo "<span style='background-color: deepskyblue;'>Your advert is now online!</span>";
}
else
{
echo "Could not update DB";
}
}

}

?>
<html>
<head>
<title>emarket.com</title>
<link rel="stylesheet" type="text/css" href="./style.css"/>
</head>
<header>
<h1><a href="index.php" style="text-decoration:none">emarket.com</a></h1>
<h1><a href="postad.php" style="text-decoration:none; padding-left:700px">Post Ad</a></h1>
</header>
<body>

<form class="postad" method="post" action="">
<fieldset><caption><h2>Post New Advert</h2></caption></fieldset>
<fieldset>
<label>Title</label><br/>
<input type="text" name="title" class="form-text" required>
</fieldset>
<fieldset>
<label>Description</label><br/>
<input name="description" class="form-text" required>
</fieldset>
<fieldset>
<label>District</label><br/>
<select name="district"required>
<option selected>Colombo</option>
<option>Kandy</option>
<option>Matara</option>
<option>Galle</option>
</select>
</fieldset>
<fieldset>
<label>Category</label><br/>
<select name="catagory"required>
<option value="Electronics">Electronics</option>
<option value="Property">House and Property</option>
<option value="Auto">Automobiles</option>
<option value="Misc">Miscellaneous</option>
</select>
</fieldset>
<fieldset>
<label>Phone</label><br/>
<input type="tel" name="phone" maxlength="10" class="form-text" required>
</fieldset>
<fieldset>
<label>Price</label><br/>
Rs. <input type="number" name="price" class="form-text" required>
</fieldset>
<fieldset>
<input type="submit" name="submit" value="submit"/>
</fieldset>
</form>
</body>
</html>
?>

编辑:- 在这种情况下,最好将您的 PHP 代码放在 <html> 之前另外,所有这些代码所在的文件名是什么?将该文件名放在 <Form action="filenamehere.php"> 中.如果还是不行,上传到某个地方让我仔细看看。

关于php - Php : Everything below the header is invisible in firefox, 中可能出现错误,但在 chrome 中工作正常,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/31749207/

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