CI 비동기식 검증

 1          $("#em").bind({

 2              focus:function(){

 3                  var val=$(this).val();

 4                  if(val==""){

 5                      

 6                      $("#em_dl").addClass('focus');

 7                  }else{

 8                      

 9                      $("#em_dl").removeClass('focus');

10                  }

11             },

12             blur:function(){

13                 var val=$(this).val();

14                     if(val==""){

15                      $("#em_dl").addClass('focus');

16                  }else{

17                      

18                      $("#em_dl").removeClass('focus');

19                  }

20                     /***** *****/

21                     // 

22                     var url="<?php echo site_url('home/login/login_check_name'); ?>";

23                     //post 

24                     $.post(url,{em:val},function(data){

25                         alert(data);

26                         // 

27                         if(data>0){

28                             alert('11');

29                         }else{

30                             alert('no');

31                         }

32                     }); 

33              }

34          });

1     # 

2     public function login_check_name(){

3         echo "1";

4 

5         //$em=$this->input->post('em');

6         //p($em);die;

7         //$data=$this->login->login_check_name($email);

8     }