警告：mysql_fetch_assoc（）期望参数1是资源，给定布尔值 [英] Warning: mysql_fetch_assoc() expects parameter 1 to be resource, boolean given
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问题描述
我有错误说
警告：mysql_fetch_assoc（）期望参数1是资源，布尔给定
我的尝试：
home.php
<？php
include（auth.php）;
？>
<！DOCTYPE html>
< head>
< title> Tamarga |论坛< /标题>
< link rel =快捷图标href =../ favicon.ico>
< link rel =stylesheettype =text / csshref =css / style.css>
< style>
body
{
background-image：url（'img / indexback.jpg'）;
背景附件：固定;
背景大小：100％100％;
}
< / style>
< / head>
< body>
< ul class =topnav>
< li style =float：right>< a href =logout.phpfloat =right>退出< / a>< / li>
< li style =float：right>< a> Hello<？php echo $ _SESSION ['Username']; ？>！< / A>< /锂>
< li>< a class =activehref =＃home> Tamarga论坛< / a>< / li>
< li>< a href =＃home>主页< / a>< / li>
< / ul>
< br> <峰; br>
< center>
< div class =btn-group>
< button class =button>发表评论< / button>
< / div>
< / center>
< center>
< br>
< table>
< tr>
< th>类别< / th>
< th>说明< / th>
< / tr>
<？php
包括'dbconnect.php';
$ sql =SELECT cat_name，cat_desc FROM tblcategories;
$ query = mysql_query（$ sql）;
while（$ users = mysql_fetch_assoc（$ query））{
echo< tr>;
echo< td>。$ users ['cat_name']。< / td>;
echo< td>。$ users ['cat_desc']。< / td>;
echo< / tr>;
}
？>
< / table>
< / center>
< / div>
< / body>
< / html>
解决方案
_SESSION ['Username']; ？>！< / A>< /锂>
< li>< a class =activehref =＃home> Tamarga论坛< / a>< / li>
< li>< a href =＃home>主页< / a>< / li>
< / ul>
< br> <峰; br>
< center>
< div class =btn-group>
< button class =button>发表评论< / button>
< / div>
< / center>
< center>
< br>
< table>
< tr>
< th>类别< / th>
< th>说明< / th>
< / tr>
<？php
包括'dbconnect.php';
sql =SELECT cat_name，cat_desc FROM tblcategories;
查询=的mysql_query（
I have an errors it says
Warning: mysql_fetch_assoc() expects parameter 1 to be resource, boolean given
What I have tried:
home.php
<?php
include("auth.php");
?>
<!DOCTYPE html>
<head>
<title>Tamarga | Forum</title>
<link rel="shortcut icon" href="../favicon.ico">
<link rel="stylesheet" type="text/css" href="css/style.css">
<style>
body
{
background-image: url('img/indexback.jpg');
background-attachment: fixed;
background-size: 100% 100%;
}
</style>
</head>
<body>
<ul class="topnav">
<li style="float:right"><a href="logout.php" float="right">Logout</a></li>
<li style="float:right"><a>Hello <?php echo $_SESSION['Username']; ?>!</a></li>
<li><a class="active" href="#home">Tamarga Forum</a></li>
<li><a href="#home">Home</a></li>
</ul>
<br> <br>
<center>
<div class="btn-group">
<button class="button">Post Your Comments</button>
</div>
</center>
<center>
<br>
<table>
<tr>
<th>Category</th>
<th>Description</th>
</tr>
<?php
include 'dbconnect.php';
$sql="SELECT cat_name,cat_desc FROM tblcategories";
$query=mysql_query($sql);
while ($users=mysql_fetch_assoc($query)){
echo "<tr>";
echo "<td>".$users['cat_name']."</td>";
echo "<td>".$users['cat_desc']."</td>";
echo "</tr>";
}
?>
</table>
</center>
</div>
</body>
</html> 解决方案
_SESSION['Username']; ?>!</a></li> <li><a class="active" href="#home">Tamarga Forum</a></li> <li><a href="#home">Home</a></li> </ul> <br> <br> <center> <div class="btn-group"> <button class="button">Post Your Comments</button> </div> </center> <center> <br> <table> <tr> <th>Category</th> <th>Description</th> </tr> <?php include 'dbconnect.php';
sql="SELECT cat_name,cat_desc FROM tblcategories";
query=mysql_query(
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