用PHP插入HTML表單數據到MySQL

Question

我想要製作一個簡單的留言板MySQL數據庫，您可以在其中撰寫評論並通過HTML表單在一個頁面上提交，並在一個單獨的頁面上查看所有評論您已提交您的評論。

我的問題是來自HTML表單的兩個字段沒有被插入到我的MySQL數據庫中，導致我查看所有評論頁面時缺少名稱和標題。

Link to what the "Read all Reviews" page looks like.

代碼工作沒有任何問題，當我測試了它做的MySQL查詢只用PHP，但我需要我的HTML表單的工作。

HTML表單：

<form action ="process.php" method = "post"> 
      <fieldset> 
       <legend>Review Field</legend> 
       Reviewer Name: <br /> 
       <input type="text" name "name" id = "name"><br /> 
       Title of Review:<br /> 
       <input type="text" name "title" id = "title"><br /> 
       Enter your review below: 
       <!--Textbox start--> 
       <textarea name="body" id = "body" rows="10" cols="100"> 
       </textarea> 
        <!--Textbox end-->  
       <br /> 
       <input type="submit" name = "submit" id="submit"> 
       <br /> 
      </fieldset> 
      </form> 

代碼process.php：

<?php // Create a database connection. 
$dbhost = "localhost"; 
$dbuser = "root"; 
$dbpass = "password"; 
$dbname = "ya_reviews"; 
$connection = mysqli_connect($dbhost, $dbuser, $dbpass, $dbname); 

//Test if connection occurred. 
if (mysqli_connect_errno()) { 
die("Database connection failed: " . 
mysqli_connect_error() . 
" (" . mysqli_connect_errno() . ")" 
); 
} 

//Perform database query 
$name = $_POST['name']; 
$title = $_POST['title']; 
$body = $_POST['body']; 

//This function will clean the data and add slashes. 
// Since I'm using the newer MySQL v. 5.7.14 I have to addslashes 
$name = mysqli_real_escape_string($connection, $name); 
$title = mysqli_real_escape_string($connection, $title); 
$body = mysqli_real_escape_string($connection, $body); 

//This should retrive HTML form data and insert into database 
$query = "INSERT INTO reviews (name, title, body) 
      VALUES ('".$_POST["name"]."','".$_POST["title"]."','".$_POST["body"]."')"; 

     $result = mysqli_query($connection, $query); 
     //Test if there was a query error 
     if ($result) { 
      //SUCCESS 
     header('Location: activity.php'); 
     } else { 
      //FAILURE 
      die("Database query failed. " . mysqli_error($connection)); 
      //last bit is for me, delete when done 
     } 

mysqli_close($connection); 
?> 

查看所有評論：

<?php 

     //This will fetch the data from the database 
     $query = "SELECT * FROM reviews"; 
     $result = mysqli_query($connection, $query); 
     //Test if there was a query error 
     if (!$result) { 
      die("Database query failed."); 
     } 

     // This will let me display the data. 
     // The loop will be spilt so I can format with HTML 
     while ($row = mysqli_fetch_assoc($result)) { 
      //output data from each row 
     ?> 

     Name: <?php echo $row["name"] . "<br />"; ?> 
     Title: <?php echo $row["title"] . "<br />"; ?> 
     Review: <?php echo $row["body"] . "<br />"; 
      echo "<hr>"; ?> 
     <?php 
     } ?> 

注意：我在上面的代碼之前用process.php中的相同代碼連接到了數據庫，爲了節省空間，我排除了它。

Answer 1

您的HTML屬性語法不正確。其缺失的=符號在attribute和value之間。

變化name "name"到name="name"，並沒有使用轉義值name "title"到name="title"

<input type="text" name="name" id = "name"><br /> 
      Title of Review:<br /> 
<input type="text" name="title" id = "title"><br /> 

同樣在insert。

在插入查詢中使用$name而不是$_POST["name"]。標題和正文值也一樣。

Answer 2

我想你的HTML

<form action ="process.php" method = "post"> 
      <fieldset> 
       <legend>Review Field</legend> 
       Reviewer Name: <br /> 
       <input type="text" name="name" id = "name"><br /> 
       Title of Review:<br /> 
       <input type="text" name="title" id = "title"><br /> 
       Enter your review below: 
       <!--Textbox start--> 
       <textarea name="body" id = "body" rows="10" cols="100"> 
       </textarea> 
        <!--Textbox end-->  
       <br /> 
       <input type="submit" name = "submit" id="submit"> 
       <br /> 
      </fieldset> 
      </form> 

的語法搞砸它一定會努力！

Answer 3

問題是名稱屬性在HTML中不正確。

<input type="text" name="name" id = "name"><br /> 

<input type="text" name="title" id = "title"><br /> 

Answer 4

喲，你只是缺少一些語法，因此產生錯誤，當談到從這些元素收集數據，

<input type="text" name "title" id = "title"> 

你從名稱缺少「=」號參數