Java Web image upload and file upload
Picture uploads and file uploads are essentially the same, and the picture itself is a file. File upload is the picture uploaded to the server, although there are many ways, but the bottom of the implementation of the file is read and write operations.
Attention matters
1.form f
Upload image preview JS script Input file image preview implementation example, js image Preview
When working on a project in Shenzhen, a user needs to upload the Avatar preview function! I found a lot on the Internet, but I am not satisfied with it. Either flash, or the pat
Http://www.cnblogs.com/wupeiqi/articles/6307554.htmlSimple to use:class="Comm"> "POST"Enctype="Multipart/form-data"> {% Csrf_token%} "margin:0 Auto;" class="Comment-area"> class="Model {% if Req.session.user_info%} hide {% endif%}">you need to log in before you can reply"/login.html"> Login "/register.html"> Register now "content"Id="content">class="comment-sub"> 255"Button" class="btn btn-primary btn-sm"{%ifNot req.session.user_info%} disabled="Disabled"{%
CI framework file upload and image processing Usage Analysis, ci File Upload
This document describes the CI framework file upload and image processing usage. We will share this with you for your reference. The details are as follows:
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This article mainly introduces how Symfony2 uses a third-party library Upload to Upload images, and analyzes in detail the steps and skills of Symfony2 using a third-party library Upload based on the instance form, for more information about how to use the third-party library Upload to
This article gives an example of how Yii+upload implements Ajax upload images. Share to everyone for your reference, specific as follows:
Controller code:
/** * Get Ajax uploaded files. */Public Function Actiongetajax () {$model =new attachment ()//load attachment model $tmpFile = Cuploadedfile::getinstancebyname ( //Read the image
Upload images using AJAX, support image instant browsing, support JS image compression to the serverAjax uploads mainly use var reader = new FileReader () This methodJS image compression is mainly done using canvasSource:/** * js use form to upload images, support local prev
Stores a thinkphp file Upload class. Very powerful Upload class! Thinkphp image upload class tp3.0 file Upload class favorites a thinkphp file Upload class. Very powerful Upload class!
CI Framework file Upload class and image processing class usage analysis, CI file upload
This article describes the CI framework file upload class and image processing class usage. Share to everyone for your reference, as follows:
List page banner picture public function Ed
After uploading, the picture order and the expected inconsistency, need to modify the source code of Ueditor.First, locate the Editor/dialogs/attachment/attachment.js file1, _this.filelist.push (JSON), modified to _this.filelist[$file. Index ()] = JSON;2, consider the situation of upload failure, plus a judgment, to avoid the upload failure, the array appears in the undefined entrySecond, find Editor/dialog
PHP File Upload (powerful file image upload Class) This file upload utility code, you can easily upload your designated files or pictures, but also can quickly limit the upload of pictures file class or size.
PHP Tutorial File
PHP image upload class; support for watermark-date folder-generating thumbnails; support for multifile Upload
You can use {Y} {m} {n} to change the current date.
Set_dir (dirname (_ FILE __). '/upload/', '{y}/{m}'); // save path. the options {y} {m} {d} are supported.
$ Up-> set_thumb (, 80); //
Upload | upload pictures | data | database *
AUTHOR:SHARPCN | Scorpion
Studio:www.bkwww.com
Copyright (c) 2004 Home tomorrow
Function: Will upload the picture to add security image watermark, and the picture directly written to the database, do not keep on the hard disk.
*/
involving namespaces
Using System;
Using Sy
Android Image Upload (Avatar cropping + original image ),
Again, the project has been busy for a long time and this article has finally been completed!
Let's take a look at it first:
(1) Avatar cropping and uploading Server()
Generally, there is a circular display of the Avatar. Here I have customized an ImageView. The page is very clean, but it looks very good!
You can use {Y}{m}{n} to become the current date
Set_dir (DirName (__file__). ' /upload/', ' {y}/{m} '); Save path, support {y}{m}{d} these several options
$up->set_thumb (100,80); Thumbnail size setting. Units in pixels
$up->set_watermark (DirName (__file__). ' /jblog/images/watermark.png ', 6,90); Watermark Settings
$fs = $up->execute (); Start execution
Var_dump ($FS); Scenarios for testing the view class
}
Now the technology is too developed, mobile devices more and more pixels, just a photo 2m+, but to do the mobile image upload and pc slightly different, mobile you can not limit the size of the image, so that users to process the image before uploading, so unrealistic. So understanding the solution is to
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