Article Introduction：With the continuous development of Internet technology, the file upload function has become an essential part of many websites. In the PHP language, we can handle file uploads through some class libraries and functions. This article will focus on the file upload processing method in PHP. 1. Form settings In the HTML form, we need to set the enctype attribute to "multipart/form-data" to support file upload. The code is as follows: <formaction="upload.

2023-05-11 comment 0  1988

Article Introduction：php zip file comparison class, compares the contents of two zip files, and returns a list of new, deleted, and identical files. Currently only single layer is supported. Requirement: Upload a zip file with many image files in the zip. A series of time-consuming processing is required on the image files. When the user updates the zip file. Determine whether the files in the zip are consistent and only process different files. This can save resources and time, so you need to write a class that can compare files in the zip.

2018-06-09 comment 0  2326

Article Introduction：lrzsz is a program that can replace ftp upload and download in Linux. In Linux, plug-ins are supported for direct drag-and-drop upload; rz and sz are also supported for command upload and download. Install the plug-in on the server>yum-yinstalllrzsz to upload a file. You can directly drag and upload the file to the current directory. You can also use commands to select the files to be uploaded, and you can specify multiple files at a time. >rzUsing xshell will pop up a file selection box. Download a file > szrumenz.txt or pop up a file selection box to download multiple files at the same time > szrumenz.txtrumenz1.txt Download all files in the rumenz directory, no

2024-02-10 comment 0  1145

Article Introduction：PHP supports uploading multiple files at the same time and automatically names their information in the form of an array. It is actually very simple to implement such a function. You only need to use the file upload field and the multi-select box and check box in the HTML form. Array submission syntax.

2017-04-18 comment 0  6351

Article Introduction：As a node beginner, I am currently working on a chat software that supports registration, login, online single and multi-person chat, emoticon sending, various file upload and download, adding and deleting friends, chat record saving, notification sound switch, and background image switching. , games and other functions, so the multer module was used. After various document searches and demo examples, I finally successfully implemented the single file upload function, which supports uploading of most file formats and displays it on the web page at the same time. This article mainly introduces Ajax and node js Multer implements the file upload function. Friends who need it can refer to it. I hope it can help everyone.

2017-12-25 comment 0  1335

Article Introduction：In web development, file upload and download operations are one of the most common operations. However, if you need to upload or download multiple files, it will be very cumbersome to complete the task quickly. In order to avoid such problems, we can use PHP to implement file packaging. File packaging mainly involves packaging multiple files into a compressed file to facilitate operations such as uploading or downloading. In PHP, the main way to implement file packaging is to use the ZipArchive class. The ZipArchive class is PHP's built-in Zip file wrapper, which provides many operations Z

2023-05-07 comment 0  1463

Article Introduction：PHP functions can return scalar values, arrays, objects, or NULL. To declare a return value, use the return type hint in the function declaration. PHP does not support returning multiple values ​​directly, but you can use an array or object to group them and return them.

2024-04-10 comment 0  1002

Article Introduction：In the process of web development, file upload is a very common requirement, and as a popular back-end programming language, PHP naturally provides support for file upload. But sometimes, we need to operate or manage the uploaded files, so we need to modify the PHP uploaded files. PHP's uploaded file management mainly includes the following aspects: 1. Restricting uploaded file types When uploading files in PHP, the types of uploaded files should be restricted to prevent illegal file uploads. We can use the type attribute of the $_FILES array to get the uploaded files

2023-04-04 comment 0  563

Article Introduction：Application scenarios of event bubbling and the types of events it supports. Event bubbling means that when an event on an element is triggered, the event will be passed to the parent element of the element, and then to the ancestor element of the element until it is passed to the root node of the document. It is an important mechanism of the event model and has a wide range of application scenarios. This article will introduce the application scenarios of event bubbling and explore the types of events it supports. 1. Application scenarios Event bubbling has a wide range of application scenarios in web development. Here are several common application scenarios. form validation in form

2024-02-18 comment 0  694

Article Introduction：layui cannot upload the folder. Its layui.upload module only supports single file upload. To implement folder upload, you need to use the file system or back-end function: 1. The front-end uses the HTML5 files API to directly upload the folder, but it requires browser support and cannot cross domains; 2. The back-end uses the file system or cloud storage service to process the folder upload , the front end uploads a single file and the back end combines it into a folder.

2024-04-28 comment 0  1237

Article Introduction：PHP can use different names for input fields to upload multiple files. PHP supports uploading multiple files at the same time and automatically organizes their information in the form of arrays. To accomplish this functionality, you need to use the same array submission syntax for the file upload field in the HTML form as for checkboxes and checkboxes.

2019-09-19 comment 0  3082

Article Introduction：File transfer tool: File transfer tool php file upload suffix name and file type comparison table covers almost all files: there are many php file upload classes on the Internet, and file upload processing is a feature of php (at least the manual lists this as a feature of php (I personally think that PHP’s excellent array functions are more distinctive). People who learn PHP know how to upload files, but many people may overlook some details in programming, that is, the file type (MIME) . Before the form submits the file to PHP for processing, the browser will first parse and identify what type of file it is on one side, and then enter PHP processing. PHP will identify and parse the original type of the file (not that

2016-07-29 comment 0  947

Article Introduction：Multi-File Upload with HTML and PHPEnhancing the functionality of single-file uploads, HTML5 now enables the selection and submission of multiple...

2024-12-20 comment 0  315

Article Introduction：CMultiFileUpload is used to upload files and supports uploading multiple files at one time. This UI component is based on the jQuery Multi File Upload plugin. Many of Yii's built-in UI components are based on JQuery, so you need to create an assets directory to store dynamically generated javascripts, etc.

2017-01-21 comment 0  1400

Article Introduction：Preface: In vue2, we usually introduce multiple js or other files. Generally, require.context is used to introduce multiple different files. However, require is not supported in vite. It has introduced a similar function, which is to use import. .meta.glob to import multiple, single files. Let’s talk about their comparison and differences here: require is used in vue2 to introduce multiple different js files 1. Import all js files under modules constmodulesFiles=require.context('./modules',true,/\

2023-05-13 comment 0  2711

Article Introduction：Laravel is a widely used PHP web framework with excellent documentation and strong community support. Developing an avatar upload function in Laravel is a very common requirement. Below we will introduce how to use Laravel to implement avatar upload. ## 1. Create a form Before uploading the avatar to the server, we need to create a form containing upload controls. In Laravel, you can use the `Form` facade to generate a form containing upload controls.

2023-04-12 comment 0  835

Article Introduction：File upload, new article: No-refresh file upload: No-refresh file upload ajax's FormData object completes the no-refresh operation ajax level 2 standard can operate on files, but only supports new browsers (not compatible with lower versions of IE), it is H5 Standard notes: Form size Single file upload size Practical operation: Write a form form, but it should be noted that the enctype attribute is not set for the form form, bind a click event to the upload button, complete the ajax submission and upload the file, and use FormData to collect the form The data in the form (ordinary data + upload field

2016-07-29 comment 0  1161

Article Introduction：How to write a simple file upload and download function through PHP. With the development of Internet technology, file upload and download functions have become one of the necessary functions for many websites. By writing a simple file upload and download function, users can easily upload and download files and improve user experience. This article will introduce how to use PHP to write a simple file upload and download function, and provide specific code examples. 1. Implementation of the file upload function. Create a form. First, create a form on the HTML page for users to upload files.

2023-09-24 comment 0  1461

Article Introduction：1. First click on the model upload location or drag the model into the blue box. 2. Upload a single model and click the classification position separately to select a category, or enter the product type in the rendering classification position: such as bed, sofa, coffee table, etc. 3. Upload supports multiple model uploads at the same time (note: in the current version, it is best to upload product models of the same category, such as all beds or all sofas). If there are any categories, you need to click on the category for each model separately, so it is recommended to upload Products of the same category. 4. If you want to upload multiple models of the same category, you can select all and click Edit to set the rendering category in batches. 5. Finally, be sure to wait until the model is fully rendered before clicking submit, otherwise there will be no model after submission.

2024-04-02 comment 0  1321

Article Introduction：With the continuous development of the Internet, more and more websites need to support the multi-image upload function. For websites, while implementing the multi-image upload function, they also need to support preview and delete functions, so as to better meet the needs of users. . This article will introduce how to use PHP to implement multiple image upload, preview and delete functions. 1. Implementation of the multi-image upload function 1. HTML code Create a form in the HTML code, add an input tag, the type attribute is file, this tag allows the user to select the image to be uploaded, and also needs to add an e

2023-04-21 comment 0  831