Question

在这里，我想从多页表单中插入数据库中的数据。

我将数据存储在第1页的$ _SESSION（createfinal.php）和第2页（personalfinal.php）中，并尝试直接存储第3页的数据（socialfinal.php）。但是我收到了名为Message的数据库错误：未定义的变量：name_of_the_variable。

你也可以建议我使用其他方法让我的代码尽可能小。

这是简短的代码::

控制器用户：

JlCompress::compressDir(outputFile, inputDir, true);

模型user_model：

<?php

class Users extends CI_Controller
{

    public function viewinsert1()
    {

        $this->load->view('createfinal');
    }

    public function viewinsert2()
    {

        $this->load->view('personalfinal');
    }

    public function viewinsert3()
    {

        $this->load->view('socialfinal');
    }

    public function viewupdate()
    {

        $this->load->view('view_update');
    }

    public function viewdelete()
    {

        $this->load->view('view_delete');
    }

    public function show()
    {
        // $this->load->model('user_model');
        $data['results'] = $this->user_model->get_users();


        $this->load->view('user_view', $data);

        // foreach ($result as $object) 
        // {
        //  echo $object->id . "</br>"; 
        // }
    }

    // public function insert()
    // {

    //  $username = "Peter";
    //  $password = "12345";
    //  $this->user_model->create_users([
    //      'username' => $username,
    //      'password' => $password
    //      ]);
    // }

    public function insert()
    {
        // echo $this->input->post('password') . "</br>";
        // echo $_POST['username'];


        $_SESSION['email'] = $email;
        $_SESSION['pass'] = $pass;
        $_SESSION['cpass'] = $cpass;
        $_SESSION['fname'] = $fname;
        $_SESSION['lname'] = $lname;
        $_SESSION['phone'] = $phone;
        $_SESSION['address'] = $address;

        $data = array(
                    'email' => $email,
                    'firstname' => $fname,
                    'lastname' => $lname,
                    'phone' => $phone,
                    'address' => $address,
                    'twitter' => $this->input->post('twitter'),
                    'facebook' => $this->input->post('facebook'),
                    'googleplus' => $this->input->post('gplus'),
                    'password' => $pass,
                    'confirm' => $cpass, 
                    );

        // echo var_dump($data);


        $result = $this->user_model->create_users($data);

        $this->load->view('createfinal');

        echo "<h1>The data has been inserted</h1>";
    }


    public function update()
    {

        if (isset($_POST['update'])) 
        {

            $id = $this->input->post('id');
            $data = array(
                    'username' => $this->input->post('username'),
                    'password' => $this->input->post('password')
                          );

            $this->user_model->update_users($data, $id);

            echo "<h1> Data is updated successfully:) </h1>";
            $this->load->view('view_update');
        }
        else
        {

            echo "Oops! There is something wrong!";
        }

    }

    public function delete()
    {

        if (isset($_POST['delete'])) 
        {

            $id = $this->input->post('id');
            $this->user_model->delete_users($id);

            echo "<h1>The data has been deleted.</h1>";

        }
        else
        {

            echo "<h3>No Such data exist!</h3>";
        }

    }
}
?>

以下是三页的三个视图：第1页（createfinal.php）：

<?php

class User_Model extends CI_Model
{

    public function get_users()
    {
        // $this->db->where([
        //  'id' => $user_id,
        //  'username' => $username
        //  ]);

        //$this->db->where('id', $user_id);

        $query = $this->db->get('users');
        return $query->result(); 

        // $query = $this->db->query("SELECT * FROM users");

        //return $query->num_rows(); //returns the number of rows


    }

    public function create_users($data)
    {

        return $this->db->insert('users', $data);

    }

    public function update_users($data, $id)
    {

        $this->db->where(['id'=>$id]);
        $this->db->update('users', $data);
    }

    public function delete_users($id)
    {
        $this->db->where(['id' => $id]);
        $this->db->delete('users');
    }
}
?>

第2页（personalfinal.php）：

<?php

session_start();
?>
<!DOCTYPE html>
<html>

<head>
    <title>Login Form</title>
    <link rel="stylesheet" type="text/css" href="<?php echo base_url();?>css/style.css">
</head>
<body>
<!-- multistep form -->
<form id="msform" action="viewinsert2" method="post">
    <!-- progressbar -->
    <ul id="progressbar">
        <li class="active">Account Setup</li>
        <li>Social Profiles</li>
        <li>Personal Details</li>
    </ul>
    <!-- fieldsets -->
    <fieldset>
        <h2 class="fs-title">Create your account</h2>
        <h3 class="fs-subtitle">This is step 1</h3>
        <input type="text" name="email" placeholder="Email" />
        <input type="password" name="pass" placeholder="Password" />
        <input type="password" name="cpass" placeholder="Confirm Password" />
        <input type="submit" name="next" class="next action-button" value="Next" />
    </fieldset>


</body>
</html>

第3页（socialfinal.php）：

<?php

session_start();

$email = $_POST['email'];
$pass = $_POST['pass'];
$cpass = $_POST['cpass'];

$_SESSION['email'] = $email;
$_SESSION['pass'] = $pass;
$_SESSION['cpass'] = $cpass;
?>
<!DOCTYPE html>
<html>
<head>
    <title>Login Form</title>
    <link rel="stylesheet" type="text/css" href="<?php echo base_url();?>css/style.css">
</head>
<body>
<!-- multistep form -->
<form id="msform" method="post" action="viewinsert3">
    <!-- progressbar -->
    <ul id="progressbar">
        <li>Account Setup</li>
        <li class="active">Social Profiles</li>
        <li>Personal Details</li>
    </ul>
    <!-- fieldsets -->
    <fieldset>
        <h2 class="fs-title">Personal Details</h2>
        <h3 class="fs-subtitle">We will never sell it</h3>
        <input type="text" name="fname" placeholder="First Name" />
        <input type="text" name="lname" placeholder="Last Name" />
        <input type="text" name="phone" placeholder="Phone" />
        <textarea name="address" placeholder="Address"></textarea>
        <input type="submit" name="previous" class="previous action-button" value="Previous" />
        <input type="submit" name="submit" class="submit action-button" value="Submit" />
    </fieldset>
</form>

</body>
</html>

错误图片： [1]：http://i.stack.imgur.com/izsjY.png

Answer 1

在您的用户控制器中尝试调整插入方法，如下所示。

public function insert()
{
    // echo $this->input->post('password') . "</br>";
    // echo $_POST['username'];

    #Set the provided data into variables
    $email = $this->input->post('email');
    $pass  = $this->input->post('pass');
    $cpass = $this->input->post('cpass');
    $fname = $this->input->post('fname');
    $lname = $this->input->post('lname');
    $phone = $this->input->post('phone');
    $address = $this->input->post('address');

    $_SESSION['email'] = $email;
    $_SESSION['pass'] = $pass;
    $_SESSION['cpass'] = $cpass;
    $_SESSION['fname'] = $fname;
    $_SESSION['lname'] = $lname;
    $_SESSION['phone'] = $phone;
    $_SESSION['address'] = $address;

    $data = array(
                'email' => $email,
                'firstname' => $fname,
                'lastname' => $lname,
                'phone' => $phone,
                'address' => $address,
                'twitter' => $this->input->post('twitter'),
                'facebook' => $this->input->post('facebook'),
                'googleplus' => $this->input->post('gplus'),
                'password' => $pass,
                'confirm' => $cpass, 
                );

    // echo var_dump($data);


    $result = $this->user_model->create_users($data);

    $this->load->view('createfinal');

    echo "<h1>The data has been inserted</h1>";
}

Answer 2

我发现了错误。实际上我试图在我的旧数据库表中插入数据，其中不包含带有电子邮件的列名。因此，我得到了错误。非常感谢你的宝贵帮助。：）

无法从多页格式输入数据

2 个答案: