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我想將表單數據插入到mysql中，但是當我輸入詳細信息並提交時，我無法獲取數據庫中的數據。我可以知道我錯在哪裏嗎？php＆mysql表單數據沒有被插入到數據庫中
<?php
// Same as error_reporting(E_ALL);
ini_set('error_reporting', E_ALL);
// Report all PHP errors (see changelog)
error_reporting(E_ALL);
echo "jgj"
$servername = "localhost";
$username = "username";
$password = "";
$dbname = "sudhar";
// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
else
{
\t echo "connected"
}
if(isset($_POST['submit']))
{
$Firstname=mysqli_real_escape_string($conn,$_POST['Firstname']);
$Lastname=mysqli_real_escape_string($conn,$_POST['Lastname']);
$Username=mysqli_real_escape_string($conn,$_POST['Username']);
$email=mysqli_real_escape_string($conn,$_POST['email']);
$Password=mysqli_real_escape_string($conn,$_POST['Password']);
$sql="insert into useraccount(Firstname,Lastname,Username,email,Password)values('$Firstname','$Lastname','$Username','$Password','$email')";
$result=mysqli_query($conn,$sql)
echo "data inserted"
or die(mysql_error());
}
?>html,body
{
margin:0px; \t
height:100%;
}
.carousel-inner > .item > img,
.carousel-inner > .item > a > img {
width: 60%;
margin: auto;
}
.content
{
width:100%;
height:400px;
}
.signup
{
height:500px;
}
.footer
{
position:relative;
\t background-color:black;
}<!DOCTYPE html>
<html lang="en">
<head>
<title>ASK</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" type="text/css" href="boot.css">
<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<div class="jumbotron">
<div class="container">
<div class="row">
<div class="col-md-6">
<h1>school name</h1>
</div>
<div class="col-md-6">
<img src="../project/photo/l.png" height="150px"/>
</div>
</div>
</div>
</div>
<nav class="navbar navbar-inverse navbar-fixed-top">
<div class="container-fluid">
<div class="navbar-header">
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#myNavbar">
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="#mynavbar">schoolName</a>
</div>
<div class="collapse navbar-collapse" id="myNavbar">
<ul class="nav navbar-nav">
<li class="active"><a href="#">Home</a></li>
<li><a href="about.html" target=_self>About Us</a></li>
<li><a href="infra.html" target=_self>Infrastructure</a></li>
<li class="dropdown">
<a class="dropdown-toggle" data-toggle="dropdown" href="">Administration<span class="caret"></span></a>
<ul class="dropdown-menu">
<li><a href="stlogin.html">staff login</a></li>
<li><a href="stdetails.html">staff details</a></li>
<li><a href="class.html">class handling</a></li>
</ul>
</li>
</ul>
<ul class="nav navbar-nav navbar-right">
<li><a href="signup.html"><span class="glyphicon glyphicon-user"></span> Sign Up</a></li>
<li><a href="login.html"><span class="glyphicon glyphicon-log-in"></span> Login</a></li>
</ul>
</div>
</div>
</nav>
<div class="container">
<div class="signup">
<form method="post" class="form-horizontal" action="user.php">
<div class="form-group">
<div class="col-xs-3">
<label for="Firstname">Firstname:</label>
<input type="text" name="Firstname" class="form-control" id="fnmae" placeholder="Enter Firstname">
</div></div>
<div class="form-group">
<div class="col-xs-3">
<label for="Lastname">Lastname:</label>
<input type="text" name="Lastname" class="form-control" id="lnmae" placeholder="Enter Lastname">
</div></div>
<div class="form-group">
<div class="col-xs-3">
<label for="Username">Username:</label>
<input type="text" name="Username" class="form-control" id="unmae" placeholder="Enter Username">
</div></div>
<div class="form-group">
<div class="col-xs-3">
<label for="email">Email:</label>
<input type="email" name="email" class="form-control" id="email" placeholder="Enter email">
</div></div>
<div class="form-group">
<div class="col-xs-3">
<label for="pwd">Password:</label>
<input type="Password" name="Password" class="form-control" id="pwd" placeholder="Enter password">
</div></div>
<button type="submit" class="btn btn-default">Submit</button><br>
</form>
</div>
</div>
<div class="footer nav">
<p> [email protected] © WWW.schools.com</p>
</div>
</body>
</html>
**警告**：使用'mysqli'時，您應該使用[參數化查詢]（http://php.net/manual/en/mysqli.quickstart.prepared-statements.php）和['bind_param' ]（http://php.net/manual/en/mysqli-stmt.bind-param.php）將用戶數據添加到您的查詢。 **不要**使用手動轉義和字符串插值或串聯來實現此目的，因爲如果您忘記正確地轉義某些內容，您將創建嚴重的[SQL注入漏洞]（http://bobby-tables.com/）。 – tadman
您是否收到任何錯誤？ –
所以我應該刪除mysqli並用mysql替換 – sudharsan