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Tutorial directory 0x00 tutorial content0x01 create a new SpringBoot project 1. New maven project 2. Write code3. Code explanation 0x02 combination of JSON and AJAX 1. Write html interface 2. Write access interface method3. Code explanation 0x03 surprise 1. It's a colored egg 2. It's another ...

1, Foreword The premise of the regional contour map is how to get the js files of these contours. In fact, the json data of the contours of provinces and cities can be found on the network. The corresponding contents of these json data are similar to those of various boundaries@@ CGIUCACAAAAA@Q @Characters. Each paragraph of this character rep ...

This time, Python is used to write the crawler and store the crawled data into the database. Finally, pyechards is used to draw the chart to visually display 58677 IP addresses, including IP address classification, IP address attribution distribution and IP address operator distribution. 1, Preparatory work The overall operation is base ...

Inspiration for this article: https://blog.csdn.net/qq_43613793/article/details/104268536 Thank the blogger for providing learning articles! brief introduction Echarts is a data visualization open source by Baidu. With good interactivity and exquisite chart design, echarts has been recognized by many developers. Python is an expressive lang ...

Echorts default theme and custom theme We just need to write the topic in the. init method of initializing the ecarts instance let mEcharts = echarts.init(document.querySelector('div'), 'light') There are two themes by default: lightdark Custom theme: Enter the official website of echarts Subject URL Custom theme configurationAfter config ...

After the company has done many large screen projects, there are many solutions for screen adaptation, such as media query, scale scaling, Rem, vw, etc. to be honest, but each solution has its own specific use scenarios. In the face of different projects, our first consideration is not which solution is the best, but the most appropriate. Af ...

Vue3 eckharts adaptive solution actual combat resize.js import {nextTick, ref} from "vue"; import {debounce} from 'throttle-debounce'; /*chart Is an example of an echarts diagram*/ export const chart = ref(); /*Detects whether the sidebar zooms*/ let sidebarElm; /*Use the element resize detector to listen for changes in the sidebar*/ const ...

  ☀️ My home page: YYDataV ☀️ Welcome to praise 👍 Collection ⭐ Message, welcome to communicate catalogue ❤️ Effect display ❤️ 1, Scheme architecture 1. Map module 2. Key technology 2, Coding implementation (based on length and readability, some key codes are shown here) 1. html page layout 2. Import map file 3. Draw map bubble ...

Project ideas: Since you are using freemarker, you need to first convert ftl to HTML file and then HTML to pdf file, so the idea is here! 1. Display echarts diagram in the interface of ftl file and initialize a statistical diagram under each table. (Initialization of the statistical graph is not covered here. Secondly, dynamic loading data, ...