Simple Ajax/Codeigniter request

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I\'m having some issues with ajax and codeigniter. I\'ve already posted another question (link to question) and I thought I solved it, but I did not so I`m asking someone to wri

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长情又很酷

2021-01-25 16:14

<!DOCTYPE html>
<html lang="en">
<head>
<script type="text/javascript"></script>
<script type="text/javascript" src="<?php echo base_url();?>assets/js/jquery_v1.9.1.js"> </script>
<script type="text/javascript" src="<?php echo base_url();?>assets/js/script.js">            </script>
<style type="text/css">
  #number {
    display: block;
    text-align: center;
    width: 100px;
    height: 30px;
    margin: auto auto;
    line-height: 30px;
    border: 1px solid #999999;
    border-radius: 5px;
  }

</style>
</head>
<script>
function increase(){
  var number = parseInt($('#number').html()) + 1;
  $.ajax({
      type: 'POST',
      url: '<?php echo base_url()?>welcome/increase',
      data: { increase:number },
      success:function(response){
         $('#number').html(response);
      }
  });

}
</script>
<body>
<span id="number" onclick="increase()">0</span>
</body>
</html>

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有刺的猬

2021-01-25 16:15

If you are using this ajax in a .php file than you should do something like this to your url:

function increase(){
var number = parseInt($('#number').html()) + 1;
var base_url = "<?php echo base_url();?>";
$.ajax({
    type: 'POST',
    url: base_url+'welcome/increase',
    data: { increase:number },
    success:function(response){
        $('#number').html(response);
    }
  });
}

OR if you are doing this in a .js file than you need to add this line inside your head tag

<script> var base_url = "<?php echo base_url();?>";</script>

And than use this :

function increase(){
var number = parseInt($('#number').html()) + 1;
$.ajax({
    type: 'POST',
    url: base_url+'welcome/increase',
    data: { increase:number },
    success:function(response){
        $('#number').html(response);
    }
  });
}

Hope that it resolves the problem. However, its always a good idea when developing in the local environment to set the base_url in config.php like this :

$root = "http://".$_SERVER['HTTP_HOST'];
$root .= str_replace(basename($_SERVER['SCRIPT_NAME']),"",$_SERVER['SCRIPT_NAME']);
$config['base_url']    = $root;

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