连接数据库的问题 [英] Issues with connection to database
本文介绍了连接数据库的问题的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
美好的一天！我是PHP学习者的新闻。这里我遇到了与数据库连接的问题。请帮我解决。我一直在尝试将HTML模板连接到我的数据库。
我尝试过：
Good day! I am news PHP learner.Here I've got issues with connection to database.Please help me to solve it. I've been trying to connect HTML template to my database.
What I have tried:
<pre>
<html>
<head>
<title>Insert new post</title>
</head>
<body>
<form method="center" action="insert_post.php" enctype="multipart/form-data">
<table width="600" align="center" border="10">
<tr>
<td align="center" bgcolor="yellow" colspan="6" ><h1>Inset new post here</h1></td>
</tr>
<tr>
<td align="center">Post title</td>
<td ><input type="text" name="title" size="30"></td>
</tr>
<tr>
<td align="center">Post keywords</td>
<td ><input type="text" name="title" size="30"></td>
</tr>
<tr>
<td align="center">Post content</td>
<td ><textarea name="content" cols="60" rows="15"></textarea></td>
</tr>
<tr>
<td align="center" colspan="6"><input type="submit" name="submit" value="Publish now"></td>
</tr>
</table>
</form>
</body>
</html>
<?php
$db = mysqli_connect('localhost','root','','template');
if(isset($_POST['submit'])){
echo $post_title=$_POST['title'];
echo $post_keywords=$_POST['keywords'];
echo $post_content=$_POST['content'];
if($post_title=='' or $post_keywords=='' or $post_content==''){
echo "<script>alert('any of the fields is empty')</script>";
exit();
}
else{
$insert_query="INSERT INTO posts(post_title,post_keywords,post_content) values('$post_title','$post_keywords','$post_content')";
if(mysqli_master_query($insert_query)){
echo"<center><h1>POST PUBLISHED succesfully</h1></center>";
}
}
}
?>
推荐答案
db = mysqli_connect（' localhost'， root'，' '，' 模板'）;
if（isset（
db = mysqli_connect('localhost','root','','template'); if(isset(
_POST [' submit']））{
echo
_POST['submit'])){ echo
post_title =
post_title=
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