Article Introduction：This article mainly introduces HTML5+CSS3 to implement drag-and-drop uploading of images without plug-ins (supporting preview and batch). Now html5 provides API and powerful APIs such as File, FileReader, XMLHttpRequest, etc., which makes it possible for us to achieve drag-and-drop uploading. Those who are interested can find out.

2017-03-15 comment 0  1666

Article Introduction：In fact, HTML5 just adds some useful APIs, allowing us to develop more easily and focus more on business logic. The use of these APIs is also very simple. However, my memory is not very good, so I will record them in the form of a blog (manually). Funny) Today I will write about the default drag of this drag API. Speaking of drag and drop, in fact, the earliest implementation of drag and drop function was IE (IE4). H5 is the drag and drop specification specified on the basis of IE instances. In the browser, it is There are default drag elements, such as the drag element of a picture, the drag element of a selected text, and a link.

2017-03-11 comment 0  1887

Article Introduction：This article mainly introduces HTML5+CSS3 to implement drag-and-drop uploading of images without plug-ins (supporting preview and batch). Now html5 provides API and powerful APIs such as File, FileReader, XMLHttpRequest, etc., which makes it possible for us to achieve drag-and-drop uploading. Those who are interested can find out. Uploading is basically something that often occurs in projects. It is generally used: 1. form submission 2. flash3, HTML5 form submission will refresh the page, and it is difficult to upload asynchronously; flash may be used more because it can...

2017-06-12 comment 0  2676

Article Introduction：The previous article has implemented the overall HTML and CSS of this project: HTML5 CSS3 Classic case: Drag and drop to upload images without plug-ins (supports preview and batch) (1) This blog is directly based on the previous article. The final effect is: Rendering 1: Rendering 2: Okay, please allow me to post the image twice so that everyone can see the effect~ It can be seen that the html of the li of our image is actually quite complicated, so I made the html document Some modifications:

2017-03-09 comment 0  2173

Article Introduction：HTML5/CSS3 classic case - drag-and-drop image upload without plug-in (1): Uploading is basically a common occurrence in projects, generally using: 1. form submission 2. flash3, html5form submission will refresh the page, and it is difficult to upload asynchronously; flash Maybe it’s because I use it more often, because it can take into account almost all browsers. I have always used jquery’s uploadify as the upload tool in the project. Uploadify is also based on HTML5 and seems to be paid. You can go to the official website to take a look; of course Already...

2017-06-13 comment 0  4204

Article Introduction：This article mainly introduces the asynchronous upload function of ajax based on the bootstrap upload plug-in fileinput (supports multi-file upload preview and drag). It is very good and has reference value. Friends who are interested in ajax upload can refer to the upload plug-in based on bootstrap. Fileinput implements ajax asynchronous upload function (supports multiple file upload preview drag and drop) article!

2018-01-01 comment 0  4079

Article Introduction：Many novice friends still don’t know how to adjust the video speed in the computer version of Cutting, so the editor below will bring you the method of adjusting the video speed in the computer version of Cutting. If you need it, please take a look. Step 1: First click to enter the editing interface of the computer version of the video clip. After importing the material, drag it to the time track below, as shown in the figure. Step 2: After selecting the video material, click the "Change Speed" button in the upper right corner of the interface. You can adjust the video playback speed in the "Basic Speed" column, as shown in the figure. Step 3: Check the button on the right side of "Voice Pitch" and make sure it is gray, as shown in the picture. Step 4: After the settings are completed, you can click the play button below the video to preview and check, as shown in the picture. Step 5: If necessary, we can also right-click on the video

2024-03-05 comment 0  1099

Article Introduction：Among computer operating systems, WIN7 system is a very classic computer operating system, so how to install win7 system? The editor below will introduce in detail how to install the win7 system on your computer. 1. First download the Xiaoyu system and reinstall the system software on your desktop computer. 2. Select the win7 system and click "Install this system". 3. Then start downloading the image of the win7 system. 4. After downloading, deploy the environment, and then click Restart Now after completion. 5. After restarting the computer, the Windows Manager page will appear. We choose the second one. 6. Return to the computer pe interface to continue the installation. 7. After completion, restart the computer. 8. Finally come to the desktop and the system installation is completed. One-click installation of win7 system

2023-07-16 comment 0  1254

Article Introduction：:This article mainly introduces php-insertion sort. Students who are interested in PHP tutorials can refer to it.

2016-08-08 comment 0  1113

Article Introduction：charles captures requests in eclipse

2016-12-02 comment 0  1747

Article Introduction：Illustrated method to find the path of the PHP configuration file php.ini. Graphical method to find the path of the PHP configuration file php.ini. Recently, some bloggers asked in which directory php.ini exists? Or why does it not take effect after modifying php.ini? Based on the above two questions,

2016-07-13 comment 0  855

Article Introduction：IT House reported on July 14 that Huawei recently released new commercial AI storage products "OceanStorA310 deep learning data lake storage" and "FusionCubeA3000 training/pushing hyper-converged all-in-one machine". Officials said that "these two products can train basic AI models." , industry model training, and segmented scenario model training and inference provide new momentum." ▲ Picture source Huawei IT Home compiled and summarized: OceanStorA310 deep learning data lake storage is mainly oriented to basic/industry large model data lake scenarios to achieve data regression from Massive data management in the entire AI process from collection and preprocessing to model training and inference application. Officially stated that OceanStorA310 single frame 5U supports the industry’s highest 400GB/s

2023-07-16 comment 0  1607

Article Introduction：The difference between the exec function and the shell_exec function in PHP, execshell_exec. The difference between the exec function and the shell_exec function in PHP. Both execshell_exec functions execute Linux command functions. The difference is that the return results are different. exec can only get the last line number.

2016-07-13 comment 0  1100

Article Introduction：Nginx server combines Nginx and tomcat to access jsp

2016-12-02 comment 0  1853

Article Introduction：:This article mainly introduces the PHP function container ing..., students who are interested in PHP tutorials can refer to it.

2016-08-08 comment 0  1144

Article Introduction：Interface usage of PHP object-oriented programming, PHP object-oriented programming. Interface usage in PHP object-oriented programming, PHP object-oriented programming interface is a very important concept in PHP object-oriented programming. This article explains in more detail in the form of examples

2016-07-13 comment 0  1012

Article Introduction：PHP object-oriented programming and other constant usage examples, sed usage examples. Examples of constant usage in PHP object-oriented programming, examples of sed usage. Class constants are a very important concept in PHP object-oriented programming. A firm grasp of class constants will help further improve

2016-07-13 comment 0  1049

Article Introduction：Java Tutorial—The Difference Between Int and Integer

2016-12-02 comment 0  2026

Article Introduction：Here is a JAVASCRIPT client solution for obtaining URLs with QUESTRING parameters, which is equivalent to ASP's request.querystring and PHP's $_GET

2017-04-24 comment 0  4172

Article Introduction：JavaWeb learning summary_Servlet development

2016-12-02 comment 0  1974