对链接上的计数点击进行ajax查询

Question

I must count clicks on link and pass result to php-file.I think that it do by dint of ajax-query.

<a class='link' href='www.site.com'>Open</a>

<script>
var count=0;
$('.link').on('click',function(){
count+=1;
});
</script>

What must I do next? How can I pass count to array POST or Get?

Answer 1

If you want to count clicks on some link, then you have to use file or database to save the value, because PHP does not save the state.

Here I am giving an example of using a database for this:

The Ajax

$('.link').on('click',function(){
  $.ajax({
      url:"<?php echo 'Your url to incrementCount() method';?>",
      method:"POST",
      data:{},
      success:function(response){
          // on success do something
      }                    
  });
});

The PHP method

public function incrementCount(){
  $UpdateQuery = "UPDATE link_counts SET link_count=link_count + 1 WHERE id=1";
  // here 'link_counts' is table name and 'link_count' is the column name to update
  $result = mysql_query($UpdateQuery );
}

The 'link_counts' table

-------+------------+
|  id  | link_count |
-------+------------+

Here link_count column value is 0 by default. By this, you can update the field on the occurrence of click event of .link class.

Alternatively, you can use user_id to count which user clicked the .link class. To achieve this you need to add some where condition to the update query.

If you want to do this with a file, then change the PHP method by below code-

PHP Method for file handling

$file = 'link_counter.txt';

// default the counter value to 1
$counter = 1;

// add the previous counter value if the file exists    
if (file_exists($file)) {
    $counter += file_get_contents($file);
}

// write the new counter value to the file
file_put_contents($file, $counter);

Hope this helps.