Question

我正在尝试在我的表单中加载错误消息，但是现在它加载我的表单页面4次，有人知道我做错了什么？我只想要负载：

$ adb shell ps | grep system_server system 731 441 1094884 89232 ffffffff b74d1d05 S system_server $

控制器：

<span class="text-danger">

user_view.php

  <?php
/* 
 * File Name: user.php
 */


if ( ! defined('BASEPATH')) exit('No direct script access allowed');

class User extends CI_Controller
{
    public function __construct()
    {
        parent::__construct();
        $this->load->library('session');
        $this->load->helper('form');
        $this->load->helper('url');
        $this->load->database();
        $this->load->library('form_validation');
        //load the user model
        $this->load->model('User_model');
    }

    //index function
    function index()
    {

        //fetch data from country table
      $data['country'] = $this->User_model->get_country();


        //set validation rules
        $this->form_validation->set_rules('email', 'Email', 'trim|required|valid_email');
        $this->form_validation->set_rules  ('passconf', 'Password Confirmation', 'trim|required');




        if ($this->form_validation->run() == FALSE)
        {
            //fail validation
            $this->load->view('user_view2', $data);
        }
        else
        {    
            //pass validation
            $data = array(
                'user_email' => $this->input->post('email'),
                'Password' => $this->input->post('passconf'),
                //encrypting pass on database.
                'Password' => password_hash('passconf', PASSWORD_BCRYPT),

            );

            //insert the form data into database
            $this->db->insert('test', $data);

            //display success message
            $this->session->set_flashdata('msg', '<div class="alert alert-success text-center">You Are Now Registered</div>');
            redirect('user/index');
        }

    }

    //custom validation function for dropdown input
    function combo_check($str)
    {
        if ($str == '-SELECT-')
        {
            $this->form_validation->set_message('combo_check', 'Invalid %s you need pick one');
            return FALSE;
        }
        else
        {
            return TRUE;
        }
    }

    //custom validation function to accept only alpha and space input
    function alpha_only_space($str)
    {
        if (!preg_match("/^([-a-z ])+$/i", $str))
        {
            $this->form_validation->set_message('alpha_only_space', 'The %s field must contain only alphabets or spaces');
            return FALSE;
        }
        else
        {
            return TRUE;
        }
    }
}
?>

jquery代码

<?php 
        $attributes = array("class" => "form-horizontal", "id" => "userform", "name" => "userform");
        echo form_open("user/index", $attributes);?>

      <div class="form-group">
        <div class="row colbox">
        <div class="col-lg-4 col-sm-4">
            <label for="email" class="control-label">Email address</label>
        </div>
        <div class="col-lg-8 col-sm-8">
            <input id="email" name="email" placeholder="type your email here" type="text" class="form-control"  value="<?php echo set_value('email'); ?>" />
            <span class="text-danger"><?php echo form_error('email'); ?></span>
        </div>
        </div>
        </div>

  <div class="form-group">
                <div class="row colbox">
                <div class="col-lg-4 col-sm-4">
                    <label for="passconf" class="control-label">Password</label>
                </div>
                <div class="col-lg-8 col-sm-8">
                    <input id="passconf" name="passconf" placeholder="your password" type="password" class="form-control" value="<?php echo set_value('passconf'); ?>" />
                    <span class="text-danger"><?php echo form_error('passconf'); ?></span>
                </div>
                </div>

</div>
 <div class="form-group">
        <div class="col-sm-offset-4 col-lg-8 col-sm-8 text-left">
            <input id="btn_add" name="btn_add" type="submit" class="btn btn-primary" value="Insert" />
            <input id="btn_cancel" name="btn_cancel" type="reset" class="btn btn-danger" value="Cancel" />
        </div>
        </div>

<?php echo form_close(); ?>
<?php echo $this->session->flashdata('msg'); ?>

Answer 1

除了您的ajax调用之外，

frm.submit会将表单发回服务器，如果您不希望将表单发回给return false;，则需要在ev.preventDefault();之后添加RedisObjectConstructor.create服务器

用于加载特定div的ajax表单

1 个答案: