Upload files to OSS in wechat applet environment

Step 1: configure Bucket cross domain When the client sends the form directly to OSS, it will send a request message with Origin from the browser to OSS. OSS will perform cross domain rule (CORS) validation on request messages with Origin headers. Therefore, you need to set cross domain rules for Bucket to support Post method. ...

Posted on Fri, 01 Nov 2019 15:55:46 -0400 by jpearson

The third day of Java learning (front end: form label + frameset)

Form label (used to collect user input data and interact with the server) //Properties of input type---Type of input box name---The name of the box so that the receiver can accept the corresponding key( name)value(User input)Yes (for example) user=Zhang San) value---Default display name readonly-- ...

Posted on Mon, 28 Oct 2019 12:16:03 -0400 by nuttynibbles

Front end Mozilla learning Web developing HTML common tags Reading Note 1 (building Web)

Mozilla learning HTML notes - HTML common tags HTML Element <p>Label, paragraph In HTML, each paragraph is defined by the < p > element tag <p>My cat has a hot temper:)</p> My cat has a hot temper:) <em> emphasizes <em>Sword, sword, halberd, axe, axe, axe, hook and ...

Posted on Sun, 27 Oct 2019 08:25:45 -0400 by FraggleRock

Single page application development

sidebar: auto sidebarDepth: 2 Single page application development Introduction to MPA and SPA ::: tip MPA MPa (multi page application) refers to the most traditional HTML Web design. Early Web sites were designed in this way, which is called "Web design". When users browse the Web with M ...

Posted on Mon, 21 Oct 2019 15:03:24 -0400 by akuji36

Web Configuration Industrial Control Application of 3D Visual Monitoring System for Metering Station Based on HTML5 WebGL

Thanks to the maturity of HTML5 WebGL technology, visualization of industrial control management becomes simple and easy. Complete the management efficiency of industrial control equipment, resource management, risk management and other substantial improvements, but also a strong response to the national industrial 4.0 plan! As shown in this c ...

Posted on Sun, 13 Oct 2019 23:03:24 -0400 by Sul

react-native high imitation app example |RN chat room friends circle

Sketch react native implementation of imitation native app chat instance, based on react-native+react-navigation+react+redux+react-native-image-picker+react-native-swiper and other technical framework development. The functions of message sending, text input text box inserting emoticons, gif, picture selection preview, red envelope and circle o ...

Posted on Sun, 06 Oct 2019 04:31:23 -0400 by acirilo

Realistic HTML5 3D Water Wave Painting with Multi-view View

This is a 3D water wave painting special effect based on HTML5. Its effect is very realistic. Stones in the pool float and sink in the water, creating layers of water waves. At the same time, we can drag the mouse to browse the pool from different perspectives. The 3D effect is very good. In addition, w ...

Posted on Thu, 03 Oct 2019 22:45:41 -0400 by james_creasy

According to the file data stream in the back end, download files are formed in the front end (not downloaded directly through the browser).

Implementation principle: the interface defined is not the path to download files, but the content of files can be obtained through API, and the contents are written to the file by the front-end. This method is to create a file on the web page by using the click event and get the file information int ...

Posted on Wed, 02 Oct 2019 00:25:28 -0400 by PartyMarty

The most basic front-end skills

Front-end Basic Knowledge (Part I) The picture is the effect after running: Source code and its comments: <!DOCTYPE html> <!-- document type html (html5 plus) --> <!-- head:Head introducing non-current html The code of the page describes the properties of the current page --&gt ...

Posted on Sat, 21 Sep 2019 08:07:10 -0400 by mcbeckel

Start validating forms with HTML5 and CSS3

This article is reproduced on: Ape 2048 website Start validating forms with HTML5 and CSS3 Verify forms using HTML5 and CSS3 Client-side validation is one of the most commonly used functions of web client programs. We used various js libraries to validate forms before. HTML5 is already available for us. Form Validation Function. As for why i ...

Posted on Tue, 10 Sep 2019 09:12:36 -0400 by mikeq