Tag：Value transmission
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Time：2021-12-23
To make a user comment page, first write a static page style, and then use Vue to render the data, so as to get the user comment data. Here we mainly use V-for. The following is a simple example code html <div id=”app”> <ul class=”comment-list”> <li v-for=”item in comments”> <div > <div > <img > […]
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Time：2021-12-17
catalogue summary 1、 Parent component passes value to child component 2、 Child component passes value to parent component 1. The subcomponent binds an event through this$ Emit() to trigger 2. Through the callback function 3. Access the component instance through $parent / $children or $refs 3、 Value transfer between sibling components 1. Or through the […]
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Time：2021-11-21
<!doctype html> <html lang=”en”> <head> <meta charset=”UTF-8″> <meta name=”viewport” content=”width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0″> <meta http-equiv=”X-UA-Compatible” content=”ie=edge”> < title > non parent-child component value transfer (bus / bus / publish subscribe mode / observer mode) < / Title > <link rel=”stylesheet” href=”../node_modules/bootstrap/dist/css/bootstrap.min.css”> </head> <body> <!– Use vuex or bus mechanism to solve the problem of […]
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Time：2021-11-18
By VladSource Vlad (official account: fulade_me) route In mobile development, we call the jump between pages routing. In IOS, it refers to the jump between viewcontrollers, and in Android, it refers to the jump between activities. Routing is a very important concept in the development of mobile terminal. It is responsible for managing the jump […]
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Time：2021-11-2
introductionOfficial websiteReact.js imitating public comment webapp actual combat tutorial (5) Redux FoundationReact.js small book Parents pass values to their children with props How do react child components pass values to parent components How do react child components pass values to parent components Value transfer between components Redux instance import { createStore } from ‘redux’ export […]
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Time：2021-10-28
In our useAjaxRequest backendAPIIf the amount of data is large, such as: data:{ “type1”:1, “type4”:1, “type3”:1, //… omit line 999999 here “type999999”:1, } Will find useinput()Helper functions may print totype3000, there is no data When you usefile_get_contents(‘php://input’)When getting the print, you will find that there are no fewer parameters. If you convert this parameter into […]
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Time：2021-10-4
catalogue Problem Description: Golang implementation: Two channels are used for judgment only be careful Two channels are used to pass values Li peiguan blog Problem Description: Two go processes print a slice in turn. Golang implementation: Two channels are used for judgment only package main import ( “fmt” “sync” ) //Two go processes print a […]
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Time：2021-9-10
Vue basic introduction notes 13 Pass value from parent component to child component: prop is a user-defined attribute used by parent component to pass data. Subcomponents need to explicitly declare “prop” with the props option: Pass method from parent component to child component:@Method name = parent componentMethod subcomponent passed$this. Emit (‘method name ‘, [transitive parameter]) […]
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Time：2021-8-24
Vue component development Component development idea Component ancestral book Vue debugging tool usage Data interaction between components Component slot Component based case Component development idea Component development idea in programming A component is a function. Multiple components form a complete app. Extracting one component will not affect the operation of other components. Componentization specification: web […]
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Time：2021-8-19
1. Components Component is one of the most powerful functions of vue.js. Components can extend HTML elements and encapsulate reusable code. 1.1 component registration 1.1.1 global registration Vue. Component (‘component name ‘, {}) the first parameter is the label name, and the second parameter is an option objectAfter the global component is registered, any Vue […]
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Time：2021-8-19
After working for so many years, I have been taking notes and haven’t published anything. I always feel that there is already something on the Internet, so I don’t bother to write.Finally, I thought about it, starting from the most basic, gradually analyze the principle, test my understanding, and hope all the great gods to […]
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Time：2021-8-14
How to exit the process After a collaboration is started, it usually exits automatically after the code is executed, but what if it needs to be terminated in advance?One way is to define a global variable, and determine whether to exit by checking the change of this variable. This method requires locking to ensure concurrency […]
