cant get ajax to work

diasansley · April 20, 2011

hey guys here is my code for the model view and the controller using CI version 2.0 +

the controller sea_con.php

<?php
      class Sea_con extends CI_Controller{


  public function index(){
        $this->search('standard');
}

public function json(){
        $this->search('json');
}

public function search($transport = null){
        //load database
        $this->load->database();
        //load posts model
        $this->load->model('sea', 'posts');
        //load JSON lib
        $this->load->library('JSON', 'json');

        //init posts array
        $posts = array();

        //validate and filter the input
        if(isset($_POST['searchterm']) && !empty($_POST['searchterm'])){
                //clean the string, just in case
                $searchterm = strip_tags($_POST['searchterm']);
                //get the results if any
                $posts = $this->posts->search($searchterm);
        }

        //if request came from a JSON application
        if($transport == 'json'){
                //output the encoded string
                echo $this->json->encode($posts);
                //and exit, no reason to continue
                exit;
        }

        //assign post array
        $this->data['posts'] = $posts;
        $this->data ;
               print_r($_POST);
        //display the view
        $this->load->view('livesearch',$posts);
}      
}
?>

-----------------------------------------------------------------------------

the view livesearch.php

 <html>
<div id="form-container-wrapper">
        <div id="form-container">
                <form method="post" id="ls-form" action="<?php site_url('livesearch'); ?>">
                        <p>
                                <label for="searchterm" class="heading">Start typing in the bessage box. Try <strong>CodeIgniter</strong>, for example.</label>
                        </p>
                        <p>
                                <input type="text" name="searchterm" id="searchterm" value="" />
                                <input type="submit" name="Submit" id="submit" value="Submit" />
                        </p>

                </form>
        </div><!-- form-container -->
</div><!-- form-container-wrapper -->

<div id="search-results-wrapper">
        <div id="search-results">

        <?php if($posts):
                        


            ?> 
                <h2>Search results:</h2>
                <?php $count = 1; foreach($posts as $key => $post) : ?>

                <h3><?php echo $count; ?>. <?php echo $post['title']; ?></h3>
                <p><?php echo $post['body']; ?></p>

                <?php $count++; endforeach; ?>
        <?php else: ?>  
                     
                <h2>Search results:</h2>  
                <p>Your query did not match any posts.</p>

        <?php endif; ?> 

        </div><!-- end search-results -->
</div><!-- end search-results-wrapper -->

<!-- footer-->

</html>

-----------------------------------------------------------------------------------

the model sea.php

<?php 
   CLASS Sea EXTENDS CI_Model{ 
   
PUBLIC FUNCTION search($term) {
        $term = $this->db->escape($term);

        $sql = "select * from posts where title like $term ";

        $res = $this->db->query($sql);  

        $items = ARRAY();

        IF ($res->num_rows() > 0) {

                $count = 0;
                FOREACH ($res->result() AS $item) {

                        FOREACH ($item AS $key => $value) {
                                $items[$count][$key] = $value;
                        }

                        $count++;
                }
        } 

        RETURN $items;
}
}
      ?>

-----------------------------------------------------------------------

i get a variable posts undefined in my view error also i get the post data but my ajax functionality dosent seems to work.

Thanks

ram4nd · April 20, 2011

Now you might get some actual results:

$sql = "select * from posts where title like '%$term%'";

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cant get ajax to work

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