控制器(blog.php)
<?php
class Blog extends CI_Controller{
public function index ()
{
$this->load->model("blogvisitor");
$user['users'] = $this->blogvisitor->logvisit();
// print_r($data);
$this->load->view("userslist",$user);
}
}
?>
模型(blogvisiter.php)
<?php
class BlogVisitor extends CI_Model {
public function logvisit()
{
return [
["fname"=>"john","lname"=>"doe"],["fname"=>"Johnny","lname"=>"Doe"]
];
}
}
?>
视图(userlist.php)
<html lang="en">
<head>
<title>Users List</title>
</head>
<body>
<h1>Users list</h1>
<table>
<? foreach($users as $user): ?>
<tr>
<td><?= $user['fname'] ?> </td>
<td><?= $user['lname'] ?></td>
</tr>
<? endforeach; ?>
</table>
</body>
</html>
错误
用户列表
遇到PHP错误
严重性:通知
消息:未定义的变量:用户
文件名:views/userslist.php
线路编号:10
和
遇到PHP错误
严重性:通知
消息:未定义的变量:用户
文件名:views/userslist.php
线路编号:11
将控制器更改为:
<?php
class Blog extends CI_Controller{
public function index ()
{
$this->load->model("BlogVisitor");
$user['users'] = $this->BlogVisitor->logvisit();
// print_r($data);
$this->load->view("userslist",$user);
}
}
?>
和视图:
<html lang="en">
<head>
<title>Users List</title>
</head>
<body>
<h1>Users list</h1>
<table>
<?php foreach($users as $user): ?>
<tr>
<td><?= $user['fname'] ?> </td>
<td><?= $user['lname'] ?></td>
</tr>
<?php endforeach; ?>
</table>
</body>
</html>
您必须像<?php ?>
一样打开和关闭php,并且在引用模型时确保它区分大小写。
你必须像这样更改你的视图代码,
这条线路
<? foreach ($users as $user): ?>
至
<?php foreach ($users as $user): ?>
^
这条线
<? endforeach; ?>
至
<?php endforeach; ?>
^
所以最后的代码是
<html lang="en">
<head>
<title>Users List</title>
</head>
<body>
<h1>Users list</h1>
<table>
<?php foreach ($users as $user): ?>
<tr>
<td><?= $user['fname'] ?> </td>
<td><?= $user['lname'] ?></td>
</tr>
<?php endforeach; ?>
</table>
</body>
</html>
用下面的脚本替换视图内部。或者,您可以从php.ini文件中打开短标记。
<html lang="en">
<head>
<title>Users List</title>
</head>
<body>
<h1>Users list</h1>
<table>
<?php foreach($users as $user): ?>
<tr>
<td><?= $user['fname'] ?> </td>
<td><?= $user['lname'] ?></td>
</tr>
<?php endforeach; ?>
</table>
</body>
</html>