Question

我使用以下代码从数据库中删除记录。但是我遇到了一个问题：当我点击确认框中的“取消”时，它会删除记录。如果我点击cancel，它会返回false，但是如何删除记录？

出了什么问题？

Javascript代码：

function ConfirmDialog() {
  var x=confirm("Are you sure to delete record?")
  if (x) {
    return true;
  } else {
    return false;
  }
}

视图中的PHP代码：

<?php
  echo anchor('user/deleteuser/'.$row->id, 'Delete', array('class'=>'delete', 'onclick'=>"return ConfirmDialog();"));
?>

Answer 1

一行中的所有内容

<?=anchor("user/deleteuser/".$row->id,"Delete",array('onclick' => "return confirm('Do you want delete this record')"))?>

Answer 2

试试这个：

<a href="javascript:void(0);" onclick="delete(<?php echo $row->id;?>);">Delete</a>

并在您的脚本中使用它：

<script type="text/javascript">
    var url="<?php echo base_url();?>";
    function delete(id){
       var r=confirm("Do you want to delete this?")
        if (r==true)
          window.location = url+"user/deleteuser/"+id;
        else
          return false;
        } 
</script>

Answer 3

您是否在控制台中收到任何Javascript错误？我怀疑其他一些Javascript可能会干扰。这个简单的测试页面工作正常：

<?php echo anchor('user/deleteuser/'.$row->id, 'Delete', array('class'=>'delete', 'onclick'=>"return confirmDialog();")); ?>

<script>
function confirmDialog() {
    return confirm("Are you sure you want to delete this record?")
}
</script>

Answer 4

我在我的代码中使用它

<a href='<?php site_url('controler/function/$id');?>' onClick='javascript:return confirm(\"Are you sure to Delete?\")'>Delete</a>

Answer 5

试试这个

<a href="javascript:;" onclick="return isconfirm('<?php echo site_url('user/deleteuser/'.$row->id); ?>');">Delete</a>

然后你的功能就像：

function isconfirm(url_val){
    alert(url_val);
    if(confirm('Are you sure you wanna delete this ?') == false)
    {
        return false;
    }
    else
    {
        location.href=url_val;
    }

Answer 6

在查看：

中

<?= anchor("admin/delete_article/{$article->id}", 'Test', ['name'=>'submit', 'value'=>'Delete', 'class'=>'btn btn-danger', 'onclick'=>'return confirm()']);
?>

或

<?= form_open('admin/delete_article'), form_hidden('article_id', $article->id), form_submit(['name'=>'submit', 'value'=>'Delete', 'class'=>'btn btn-danger', 'onclick'=>'return confirm()']), form_close(); ?>

您视图中的JavaScript：

<script> function confirm(){ job=confirm("Are you sure to delete permanently?"); if(job!=true){ return false; } } </script>

请参阅webGautam回答Here

Answer 7

 <?= 
      form_open('admin/delete_noti'),
      form_hidden('noti_id',$notification->id),
     form_submit('submit','Delete',array('onclick' => "return confirm('Do you want delete this record')",'class'=>'btn btn-danger float-center')),
      form_close();
    ?>

这是删除代码。首先，我们打开表单admin是我们的控制器名称，delete_noti是admin控制器内部的函数。我们以隐藏形式发送ID。 $ notification是通过控制器中可用的方法传递的变量。

Answer 8

最后，如果您要JavaScript确认：因此，当用户单击时，它会要求确认，然后如果用户单击“确定”，则删除。您在询问何时删除该行。

在查看页面中：-

<td><a href="<?php echo base_url().'user/deleteuser/'.$user['user_id'];?>" class="btn btn-danger" onclick="return confirm('Are you sure want to Delete this User?')">DELETE</a></td>

控制器代码：-

<?php
defined('BASEPATH') OR exit('No direct script access allowed');

class user extends CI_Controller {

public function deleteuser($userid)
    {
      $this->db->delete('user', array('user_id'=>$userid)); 
      $this->session->set_flashdata('success','User deleted Successfully!!!');
            redirect(base_url().'admin/user');
    }
}
?>

然后在视图上显示成功消息：-

<div class="row col-md-12">
<?php 
   if($this->session->flashdata('success')){
 ?>
   <div class="alert alert-success "  style="display:none;"> 
     <?php  echo $this->session->flashdata('success'); ?>
<?php    
} else if($this->session->flashdata('error')){
?>
 <div class = "alert alert-danger"  style="display:none;">
   <?php echo $this->session->flashdata('error'); ?>
 </div>
<?php } ?>

</div></div>

在CodeIgniter锚链接中确认框以删除记录

8 个答案: