Tag:Tree shape

  • Combination pattern of design pattern

    Time:2021-1-16

    Composite pattern Intro In combination mode, objects are combined into a tree structure to represent the “part whole” hierarchical structure. Combination mode makes users use single object and combination object consistently. Intention: to combine objects into a tree structure to represent a “part whole” hierarchy. The combination pattern makes the user’s use of single object […]

  • Ant Design edited tree table

    Time:2021-1-9

    Ant Design Editable Tree Table Ant Design of React – Editable Tree TableTree table that can be edited Need in the work, but i did not find ready-made components easy to understand after Baidu and Google.Work needs, but Baidu Google did not find ready-made, available, easy to understand components. So i try to do it.So […]

  • String array to tree structure

    Time:2021-1-3

    Based on path string, classified directory string and database query record source, the tree data structure is constructed by JS object-oriented, function and process Questions Write an algorithm to achieve string array in accordance with a certain format into a tree structure const arr = [ ‘root/lufei.jpg’, ‘root/font/VarelaRound.ttf’, ‘root/font/SourceSansPro.ttf’, ‘root/img/avator.jpg’, ‘root/img/favicon.jpg’, ‘root/img/bg5.jpg’, ‘root/img/bg4.jpg’, ‘root/img/upload/a.png’, ‘root/img/nt/mvvm.png’, […]

  • Android development app embedded web page contains video and pictures

    Time:2020-12-19

    Scene Description: The app developed by the company’s Android needs to be embedded in H5 webpage, which contains videos and pictures, and the images can be click previewed with the help of a third party; Problem Description: In the same screen, the webpage contains the video and img tags. First click the video to play, […]

  • The CMD tree command lists files in tree format

    Time:2020-12-16

    When you show others the contents of your own CD-ROM, or list the information in a directory on your hard disk, the tree command is quite convenient, and can let you display the content in a clear and orderly way. Don’t say anything, picture above. By the way, review the CD command.Of course, you may […]

  • Method of transforming flat data into tree data in JS front end

    Time:2020-12-4

    1. JS front-end method to convert flat data into tree data The measurement is successful https://segmentfault.com/a/1190000022444269 //Convert peer data into tree structure listToTree(dataSource) { //Datasource is the same level data source return dataSource.filter(e => { const pid = e.parentId const resultArr = dataSource.filter(ele => { if (ele.menuId === pid) { if (!ele.children) { ele.children = […]

  • Oracle SQL tree structure query

    Time:2020-11-15

    The select statement in Oracle can use start with… Connect by prior clause to realize recursive query. Connect by is used in structured query, and its basic syntax is as follows: Copy codeThe code is as follows: select * from tablename start with cond1 connect by cond2 where cond3; In short, a tree structure is […]

  • Application summary of amazeui tree

    Time:2020-11-8

    ##I’ve been busy these two days, but I still need to summarize the relevant holes. I hope that my brothers will carefully use the tree structure plug-in in in amazeui ##Then I will briefly talk about our company’s front-end applications: the UI framework is amazeui (commonly known as sister), and the interaction framework is JQ. […]

  • A tree drop-down box based on elementui, Vue

    Time:2020-9-26

    wl-vue-select Project setup npm install Compiles and hot-reloads for development npm run serve Compiles and minifies for production npm run build Run your tests npm run test Lints and fixes files npm run lint Customize configuration See Configuration Reference. brief introduction This component provides the functions of select all drop-down box and tree drop-down box.wlVueSelectThis […]

  • Learning notes of react and Redux (4)

    Time:2020-7-24

    Modular react and Redux applications How to create a complex application? The key points of modular application; The organization of code files; The design of state tree; Develop auxiliary tools; 1. Key points of modular application React is responsible for the view, and Redux manages the state. Things to consider when starting a new application: […]

  • Java data encapsulation tree structure code example

    Time:2020-7-7

    This article mainly introduces the Java data encapsulation tree structure code example, the article through the example code introduction is very detailed, has the certain reference study value to everybody’s study or the work, needs the friend may refer to 1. Entity class @data public class PublishServiceType implements Comparable<PublishServiceType>{ /** * */ private static final […]