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php - About dependency injection

If the construction parameter is a variable when instantiating a class, and this variable points to an object of the instantiated class. So is dependency injection used? Is this my understanding correct?

PHP中文網(wǎng) 2017-05-16 13:04:23

Angular.js dependency injection issues

{Code...} Why is this??? Can dependency injection be performed between controllers??? A.What is value???

高洛峰 2017-05-15 17:03:14

javascript - How is dependency injection implemented in angular2

http://www.alloyteam.com/2015... This article briefly talks about the principle of dependency injection in angularjs. I want to know how ng2 implements dependency injection?

過(guò)去多啦不再A夢(mèng) 2017-07-04 13:44:32

How to pass parameters in dependency injection?

If the index() method uses dependency injection, how to pass parameters to $name?

明月松間照 2021-02-06 13:45:28

I would like to ask, is dependency injection implemented by the framework, or does PHP have this way of writing?

Is dependency injection implemented by the framework, or does PHP have this way of writing?

小泥吧℡??? ???? ???? 2019-08-04 21:17:48

angular.js - How to explain "dependency injection" in an easy-to-understand way?

How to explain "dependency injection" in an easy-to-understand way? Also, is there a difference between dependency injection and inversion of control? What exactly is the difference?

ringa_lee 2017-05-15 17:04:27

Why not use namespace instantiation? And want to use dependency injection?

I think using namespaces seems more convenient than container dependency injection, right? I don’t quite understand it either, teacher.

A0車道 2018-06-16 11:30:06

Does this lesson mean that dependency injection is equivalent to taking off your pants and farting?

Does this lesson mean that dependency injection is equivalent to taking off your pants and farting?

小多 2023-09-20 22:24:24

Symfony 6 parent controller to child controller dependency injection

I have a base controller class that contains some utility methods that all child controllers use. Currently it has 3 dependencies, but there may be more in the future. So whenever I want to add a dependency to a child controller, I now have an issue where I think there are too many directives for de...

P粉208469050 2023-08-17 20:19:03

angular.js - The standard for dependency injection in angularJS

When I use major communities to check knowledge about Angular, I often see two modes of dependency injection. Some are controller.('Ctr',[$scope,function($scope){...}]); The direct one is controller.('Ctr', function($scope){...}); I would like to ask about the latter one...

大家講道理 2017-05-15 17:00:16

Shopware 6, abstract classes and dependency injection in Symfony

Currently I am developing a Shopware6 extension based on Symfony. What I don't understand is how to implement abstract classes and dependency injection. So I want to be able to refactor the code and use these methods often, but in another context (using another repository) <?phpdeclare(strict_typ...

P粉680087550 2024-01-09 08:44:57

angular.js - In projects using the angularjs framework, errors are always reported during dependency injection. Is it not a problem with the angularjs version? Is it the order or something else?

In projects with the angularjs framework, errors are always reported during dependency injection. Is it not a problem with the angularjs version? Is it the order or some other reason?

怪我咯 2017-05-15 17:04:34

mysql - If PHP does not use PDO, how to prevent injection when constructing SQL statements?

If PHP does not use PDO, how to prevent injection when constructing SQL statements? Can sprint format string be eliminated?

三叔 2017-06-22 11:54:34

angular.js - About angular2 dependency injection

Version: @angular@2.0.0 xhttp is an encapsulation service for http service. {Code...} This part of the service was originally written under Project A, but considering reuse, it was planned to be made into a separate module. After it was proposed, an error would be reported after using npm to install...

PHPz 2017-05-15 17:07:18

angular.js - angularjs dependency injection writing problem

There are two ways to write injection in the book: app.controller('PhoneListCtrl', ['$scope', '$http', function ($scope, $http)]; app.controller('PhoneListCtrl', function ($scope, $http)];What’s the difference between these two?

我想大聲告訴你 2017-05-15 16:56:43

angular.js - How to understand dependency injection?

I searched online, but I still can’t understand it.

PHP中文網(wǎng) 2017-05-15 16:51:13

What is the role of dependency injection? It seems so troublesome.

sacred

細(xì)嗅薔* 2018-07-18 22:37:20

Dependency injection access error http://tp51.in/index.php/index/Demo1/getmethod

共享農(nóng)莊-北 2019-03-27 15:41:38

I don't quite understand the $query variable of 'automatic global instantiation” in closure queries.

Why not use dependency injection in closures? For example, function(\think\db\Query $q) {$q->where('sex', 0)->where('salary', '>', '8000');}tp5.1, I also do this Can be executed successfully.

土豆 2018-06-07 23:21:09

Laravel custom service, how to inject dependencies?

A custom service has been established through ServiceContainer and ServiceProvider. How to use dependency injection in the service, such as Request, User, Cookie, etc. If User $user is written directly in the service method, the prompt is as follows: Argument 1 passed to App \...

我想大聲告訴你 2017-05-16 16:53:06