Codeigniter 3-Ajax文件上传(您未选择要上传的文件) [英] Codeigniter 3 - Ajax File Upload (You did not select a file to upload)
本文介绍了Codeigniter 3-Ajax文件上传(您未选择要上传的文件)的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
控制器:
function post()
{
if(!$this->input->is_ajax_request())
{
show_404();
exit;
}
$data['result'] = false;
$config['upload_path'] = base_url().'userfiles/customer';
$config['allowed_types'] = 'pdf';
$config['max_size'] = 100000;
$this->load->library('upload', $config);
$file = $this->input->post('userfile');
if ( ! $this->upload->do_upload($file))
{
$data['result'] = true;
$error = array('error' => $this->upload->display_errors());
$data['error'] = $error;
}
else
{
$data['result'] = true;
$data_upload = array('upload_data' => $this->upload->data());
$data['success'] = $data_upload;
}
echo json_encode($data);
}
查看:
<div class="form">
<div class="form-group">
<label class="form-label" for="package">Package :</label>
<select class="package form-control" id="package" name="package">
<option value="none">Please select..</option>
<?php foreach($package as $row) { ?>
<option value="<?php echo $row['id_order_package'] ?>"><?php echo $row['name'] ?></option>
<?php } ?>
</select>
<div class="error" id="msg_package"></div>
</div>
<div class="form-group">
<label class="form-label" for="price">Price ( Rp ) :</label>
<input type="text" class="form-control" name="price" id="price" placeholder="" disabled>
<div class="error" id="msg_price"></div>
</div>
<div class="form-group">
<label class="form-label" for="days">Days :</label>
<input type="text" class="form-control" name="days" id="days" placeholder="" disabled>
<div class="error" id="msg_days"></div>
</div>
<div class="form-group">
<label class="form-label" for="userfile">File :</label>
<input type="file" id="userfile" name="userfile" class="form-control">
<div class="error" id="msg_userfile"></div>
</div>
<div class="form-group">
<label class="form-label" for="description">Description :</label>
<textarea class="form-control" rows="5" name="description" id="description"></textarea>
<div class="error" id="msg_description"></div>
</div>
<div class="form-group center">
<div class="btn btn-primary">ORDER</div>
</div>
</div>
JavaScript:
Javascript:
$('.btn').click(function(e){
$('#msg_package').html(' ');
$('#msg_userfile').html(' ');
$('#msg_description').html(' ');
if($('#package').val() == 'none') {
$('#msg_package').html('Please select package');
} else if($('#userfile').val() == '') {
$('#msg_userfile').html('This field is required');
} else if($('#description').val() == '') {
$('#msg_description').html('This field is required');
} else {
$.ajax({
url : '<?php echo base_url() ?>account_order/add/post',
type : 'POST',
dataType: 'json',
mimeType:"multipart/form-data",
processData: false,
data : { userfile: $('#userfile')[0].files , price: $('#price').val() , days: $('#days').val() },
success: function( data ) {
if(!data['result']){
}else{
alert(data['error']);
}
}
});
}
});
但是,我得到一个错误
{"result":true,"error":{"error":"<p>You did not select a file to upload.<\/p>"}}
我试图发布数据& ajax中的文件,但不起作用. 我的问题是如何解决该错误?为什么控制器无法读取用户文件的内容?
I tried to post data & file from ajax, but it doesn't work. My question is how to fix that error? Why the controller can't read userfile's content?
谢谢
推荐答案
尝试将您的输入放入表单中,并提供表单id ='your_form_id',然后在javascript中通过这种方式发送数据:
try to put your inputs in form and give the form id='your_form_id' then send your data by this way in javascript:
var data = new FormData(document.getElementById("your_form_id"));
然后替换此行data : { userfile: $('#userfile')[0].files , price: $('#price').val() , days: $('#days').val() },
与此data: data,
还要在data: data,
之后设置:
async: false,
processData: false,
contentType: false,
这篇关于Codeigniter 3-Ajax文件上传(您未选择要上传的文件)的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
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