ASP tutorial. net file picture upload with preview effect
The picture preview consists of two parts: get the image data from the file Form control, and display the preview image according to the data.The File and IMG properties of the program are
Plupload is an interface-friendly file upload module on a Web browser that shows upload progress, automatic image thumbnails, and upload chunking. Can upload multiple files at the same time, for your content management system or similar upload
Preface
Want to implement a function: users click the Upload button, select the picture after. The picture appears on a pop-up box, and you can crop the picture. The cropped picture appears on the page. Submit the form to upload the picture.
Example of a Drupal file upload form
Copy Code code as follows:
function Upload_form () {
$form = Array ();
If This #attribute isn't present, upload'll fail on submit
$form [' #attributes '] [' enctype '] = '
One, about the picture upload what or whatIn the era of XHTML, we upload pictures using HTML file controls and upload one at a time. To upload multiple graphs at one time, the practice is to use flash. such as Swfupload.js. Unfortunately, the use of
In order for end users to upload files to your site, it is like opening another door to a malicious user who is endangering your server. Even so, in today's modern Internet Web applications, it is a common requirement as it helps to improve your
Picture upload configuration succeeded, the picture also uploaded, but there is a problem is the picture in the save time, using the relative address.
The red part is now the problem, I would like to change to the green section below with my site'
Example of a Drupal file upload form
Copy CodeThe code is as follows:
function Upload_form () {
$form = Array ();
If This #attribute isn't present, upload'll fail on submit
$form [' #attributes '] [' enctype '] = ' multipart/form-data ';
$form ['
Previous colleagues have talked to me about the mobile end with canvas compression pictures and then upload the function, recently had a bit of free time, so I practiced a bit. Demo effect links are posted at the bottom of the article.
On the
The first project is finally online, is a pro-green raised the public good platform, micro-letter, computer end and most of the background interface is my complete, a few months over, feel a lot of harvest, feel like to sum up.
The first thought is
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