无法将帖子插入数据库表 [英] Post can't be inserted to database table
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问题描述
我是一名新的PHP学习者，我曾尝试过几次将代码插入表中.我认为我的php代码有错误.但是我自己却无法解决
我尝试过的事情:
I am new PHP learner and I''ve attempted several times to insert my codes to table.I think there is mistake in my php codes.But I wasn''t able to solve it myself
What I have tried:
<pre><?php
include "config.php";
include "db.php";
$db = new database();
$query = "SELECT * FROM categories";
$cats = $db ->select($query);
if(isset($_POST['submit'])){
$title = $_POST['title'];
$content = $_POST['content'];
$cat = $_POST['cat'];
$image = $_FILES['image'] ['name'];
$image_tmp = $_FILES['image'] ['tmp_name'];
move_uploaded_file($img_tmp,"../images/$image");
$query = "INSERT INTO posts (category_id,title,content,image) VALUES ('$cat',$title,'$content','$image')";
$run = $db->insert($query);
}
?>
<!DOCTYPE html>
<html>
<head>
<title>Insert Post</title>
</head>
<body>
<form action="insert.php" method="post" enctype="multipart/form-data">
<center><table width="800" align="center" border="2"></center>
<tr bgcolor="orange">
<td colspan="6"><h1 style="text-align:center">Insert new Post:</h1></td>
</tr>
<tr>
<td align="right" bgcolor="orange">Post title</td>
<td><input type="text" name="title" size="60"></td>
</tr>
<tr>
<td align="right" bgcolor="orange">Post Category</td>
<td>
<select name="cat">
<option >Select a Category</option>
<?php while($row1 = $cats->fetch_array()) :?>
<option value="<?php echo $row['id'];?>"><?php echo $row1 ['title'];?></option>
<?php endwhile ;?>
</select>
</td>
</tr>
<tr>
<td align="right" bgcolor="orange">Post image</td>
<td><input type="file" name="image" size="50"></td>
</tr>
<tr>
<td align="right" bgcolor="orange">Post Content</td>
<td><textarea name="content" rows="15" cols="40"></textarea></td>
</tr>
<tr>
<td colspan="6" align="center" bgcolor="orange"><input type="Submit" name="Submit" value="Publish now"/></td>
</tr>
</body>
</html>
推荐答案
db = new database();
db = new database();
查询 = " ;
query = "SELECT * FROM categories";
猫 =
cats =
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