Deep analysis of Hikic.js lazy loading

This article focuses on the lazy loading method in Hikic.js and how to implement it First, we create a new html file and write the basic structure: <!DOCTYPE> <html> <head> <title>about Hikic.js Depth analysis of lazy loading</title> <meta charset="UTF-8"> </head> <body& ...

Posted by Lustre on Sun, 05 Apr 2020 01:37:58 +0200

Export Excel data based on POI

Export Excel data based on POI There will be many report businesses in the project, which need to export data. Here we use POI based parsing. There are two ways to parse POI: HSSF(xls format) and XSSF(xlsx). Take the waybill management interface of BOS logistics as an example: Front-end code Export Waybill Information and generate report: 1. ...

Posted by rakennedy75 on Sat, 04 Apr 2020 08:38:14 +0200

How to open web page in Python

note: short code implementation environment: win10,python3Code execution of this article python opens the browser method 1: By referencing the os package, calling the system method to call the system ie program to open the web address The code is as follows: import os os.system('"C:/Program Files/Internet Explorer/iexplore.exe" ...

Posted by mushroom on Thu, 02 Apr 2020 17:48:02 +0200

The difference between innerText and innerHtml

Both innerText and innerHtml are text messages between print labels 1. innerText prints plain text information between tags, which filters out the tags. Low versions of Firefox browser do not support textContent. <!doctype html>   <html lang="en">   <head>       <meta charset="UTF-8">       <title ...

Posted by adaykin on Wed, 18 Mar 2020 17:27:50 +0100

ajax provincial and municipal linkage

step 1, page <select name="province" id="p"> <option>===Please select a province===</option> </select> <select name="city" id="c"> <option>===Please select a city===</option> </select> 2,ProvinceServlet *Request this Servlet as soon as the page ...

Posted by putraaridana on Sat, 14 Mar 2020 15:28:06 +0100

CSS selector

CSS selector There are many CSS selectors. Summarize several common selectors. If you want to know more about selectors, please Click on me to view Or if English is good Click on me to view It's ok~ Wildcard selector element selector ID Selector Class selector Union selector (selector group) Inter ...

Posted by cpace1983 on Mon, 09 Mar 2020 08:04:08 +0100

Common methods of Request object in java web

Request principle 1. The request object and the response object are created by the server. Let's use them. 2. The request object is used to get the request message, and the response object is used to set the response message. Request function Get request message data Get request line data Reques ...

Posted by ecg on Sat, 15 Feb 2020 16:51:00 +0100

H5 Browser Custom User Control

Reference article:https://css-tricks.com/custom...https://blog.hellojs.org/crea... Native User Control For the <video>tag, there is a property called'controls', which adds native pause/start, progress bar, volume, video maximization to the player as follows. <video id="myVideo" controls  ...

Posted by kevintynfron on Wed, 22 Jan 2020 02:12:04 +0100

Create websocket server

swoole has built-in websocket server function since version 1.7.9. We only need a few lines of simple PHP code to create an asynchronous non blocking multi process websocket server. First of all, we create a new project named swoole in the apache workspace, and then create a new ws-server.php file in the workspace. The PHP file mainly creates ...

Posted by trent2800 on Tue, 07 Jan 2020 09:06:03 +0100

The difference of innerHTML, innerText, value in JS

I. difference innerHTML Adding HTML code to the control is to set the HTML in an element. The tag is effective for text information. innerTEXT Print the plain text information between the labels, display the labels, the labels are invalid, and the lower version of Firefox does not support it. value Display all contents in ...

Posted by imarockstar on Mon, 06 Jan 2020 00:36:37 +0100