我不断收到此错误: NO数据库中选择 有关:没有数据库SELECTED-
$result=mysqli_query ('SELECT * FROM admin') or die('SELECT * FROM admin'."<br/> <br/>".mysqli_error());
我相信这是一个问题,将提供帮助,很多新手用户,如我自己。我已经包含以下的完整代码:
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Untitled Document</title>
</head>
<body>
<thead>
<tbody>
<?php
$host='localhost';
$user='root';
$pass='';
$db='users';
$con='mysqli_connect($sql_host,$sql_username,$sql_password)';
$con;
if(!$con){
die ('Failed to Connect'.mysqli_error());}
mysqli_select_db('users',$con);
$result=mysqli_query ('SELECT * FROM admin') or die('SELECT * FROM admin'."<br/><br/>".mysqli_error());
while($row=mysqli_fetch_array($result)){
?>
<tr><td><?php echo $row['username'] ?></td></tr>
<tr><td><?php echo $row['password'] ?></td></tr>
<?php
}
?>
</tbody>
</thead>
</body>
</html>
'$ CON = 'mysqli_connect($ sql_host,$ sql_username,$ sql_password)';'应该是'$ CON = mysqli_connect($ sql_host,$ sql_username,$ sql_password,$ db);'并移除'$ con;'和'mysqli_select_db('users',$ con);' – Prix