This article mainly introduces Yii2 use form upload file instance code, small series think very good, now share to everybody, also give everybody make a reference. Follow the small series together to see it, hope to help everyone.
1. Single File Upload
First set up a model models/uploadform.php, the content is as follows
namespace App\models;use yii\base\model;u
Use PHP and ImageMagick to handle upload and zoom processing of picture files
PHP processing file Upload is very simple, but if you want to upload the image to scale processing, although can use GD to do, but
To be more cumbersome to handle. ImageMagick is an image processin
Traditional image upload interaction is simple: A file domain requires the user to select a picture file, a Submit button (pictured below).
This way has a lot of shortcomings, such as the selection of pictures can not see the preview, at a time only to select a picture, upload process can not see progress. Of course, also has its own advantages: HTML
I want to add the product, the form through jquery no refresh (get) submitted, there is also a batch image upload is made by
To upload pictures, when I click the Add button, the entire form has been prompted to be submitted ...., I suspect that the
the temporary directory, in the designated directory, the temporary directory can be modified as needed, you can also use the default value ...
Here is the form submission change.php file code to see what this file has:
Your file has been uploaded upload picture preview:
";}} Else{echo "
Upload failed, file is larger than 2
Upload_err_oknoerroccurred. Upload successful upload tutorial. inifile. The maximum upload size is exceedsthemaximumvaluespecifiedbythe
Upload_err_ OK no error occurred. the upload is successful. Upload the uploaded file exceeds the maximum value specified in the php tutoria
context. Request.Files is not suitable for large files to operate, the following list is mainly for small file upload processing! HTML Client section:formAction= "Upload.ashx"Method= "POST"enctype= "Multipart/form-data">Select File:inputtype= "File"name= "File1" />BR/> inputtype= "Submit"value= "Upload" /> form
Special upload skills bypass PHP image conversion for Remote Code Execution (RCE)
I used a special Image Upload technique, bypassing the PHP GD library to convert images, and finally successfully implemented remote code execution.
This is the case. At that time, I was testing whether the website had the SQL injection v
Today to study a piece of the method of implementation, because last week did not write technical week, this time must write well!So the problem is: PHP processing image upload requires JQ to realize the interaction of data, how to do?650) this.width=650; "src="/e/u261/themes/default/images/spacer.gif "style=" Background:url ("/e/u261/lang/zh-cn/ Images/localimage.png ") no-repeat center;border:1px solid #d
Jquery batch upload is Post submission, so the entire form cannot be submitted to the background? I want to add a product, and the form is submitted through jquery brushless newest (get). There is also a batch image upload in it to use
To
Laravel + Layer implements Image Upload (finishing ),
♩Background
Yesterday at your ownLaravel5.5In the Framework project, you want to integrateLayerHoweverajax(POST)Always show when submitting a request500Error
♪Analysis
Region Problem
Finally, extract the core code and place it inLarvelRun outside the framework and find that the code is correct, becauseLaravelThe framework is too exposed and ignored.CSRF
Upload images asynchronously using Ajax and Jquery. form,I. Preface
Third-party plug-ins used for image uploading,UploadifyThis should be a lot of use, and I have also used other features. I also admire the functions of others while making it easier for me. Think about it. I will only use other people's things, and I will never learn much. Please try it by yourse
This article mainly introduces how to use jquery. form. js implements the Image Upload method, involving jquery using the form plug-in jquery. form. it is very simple and practical to use JavaScript to submit, verify the type, and display the execution result callback. If yo
I want the image upload interface refers to the server side after the completion of the image upload, return an accessible image address .The Spring MVC Framework film upload is very simple, as follows1@RequestMapping (value= "/up
'; }/* Show the final result and we have done ... */$template (' upload_result_2 ', $result); /* Something wrong with it ...? */} else {/* Failure ... what happened ... let us find it out! */$error _messages = [ Upload_err_ini_size = ' The uploaded file exceeds the Upload_max_filesize '. ' directive in php.ini. ', upload_err_form_size = ' The uploaded file exceeds the Max_file_size direct '. ' Ive that is specified in the HTML
= ' Uploading the file exceeds the value of the upload_max_filesize selection in the PHP configuration file ';BreakCase Upload_err_form_size:$this->_error = ' exceeds the size of the form max_file_size limit ';BreakCase Upload_err_partial:$this->_error = ' File part is uploaded ';BreakCase Upload_err_no_file:$this->_error = ' No files are uploaded ';BreakCase Upload_err_no_tmp_dir:$this->_error = ' Temporary file not found ';BreakCase Upload_err_cant
PHP + jQuery + Ajax for multi-Image Upload,
Today, I want to share with you how to use PHP + jQuery + Ajax to upload multiple images without refreshing new pages. You only need to click to select the image to be uploaded, and then the image is automatically uploaded to the s
Idea: onchange () event triggers an asynchronous request, JS will successfully return the address of the picture after the dynamic writeJSP page: Outer one form with ID MyFormJS functionfunction Submitimgsize1upload () {var option = {url: ' ${path}/upload/upload.do ',//Submit the form using AJAX, the URL is in option type: ' Post ', DataType: "Text",//Do not writ
The next part of this article is about how to upload and download images via PHP.
Building the upload file front-end page
Here I use the bootstrap front-end frame and the Fontawesome icon Library, the content is simply a picture upload box and a Submit button, the code is as follows:
which
Background server picture
Php image file upload for detailed analysis. Upload_err_oknoerroccurred. Upload success tutorial. inifile. The maximum upload size is exceeded. upload_e upload_err_ OK no error occurred.
Uploaded Upload_err_ini_size the uploaded file exceeds the maximum value specified in the php Tutorial. ini file.Maximum
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