Recommended 10 articles about extend

This article mainly talks about the pitfalls encountered in the development process of connecting WeChat applet to WeChat payment. It is divided into two parts, the applet end and the backend interface encapsulation. The main contents of this article are as follows: 1. Backend interface encapsulation; 2. Mini program integration; 3. Summary of pitfalls. 1. Backend interface encapsulation is based on ThinkPHP 5 for interface encapsulation. The specific steps are as follows: 1. The official WeChat payment document provides a sample of PHP script WeChat payment, download it; 2. The sample has encapsulated each class, we only need Just add the namespace. Create a new directory wxpay in the extend directory of TP5, copy the classes in the sample to this directory, and then add the namespace. The most important class in the sample transformation result is WxPayApi. .php, the form after adding the namespace is as follows, the transformation of other classes is similar: 3. Introduce the namespace where it needs to be used, new an object can be used, and the unified order interface example: introduce the required class first: encapsulation The external unified ordering interface directly returns the parameters required by the applet to call the payment interface: the repayment interface is similar and can be encapsulated through the unified ordering class. 2. Integrating the mini program into the mini program is very simple, you only need to return the interface

1. 10 recommended courses on WeChat payment development

Introduction: This article mainly talks about the pitfalls encountered in the development process of connecting WeChat applet to WeChat payment. It is divided into two parts, the applet and Backend interface encapsulation. The main contents of this article are as follows: 1. Backend interface encapsulation; 2. Mini program integration; 3. Summary of pitfalls. 1. Backend interface encapsulation is based on ThinkPHP 5 for interface encapsulation. The specific steps are as follows: 1. The official WeChat payment document provides a sample of PHP script WeChat payment, download it; 2. The sample has encapsulated each class, we only need Just add the namespace, create a new directory wxpay under the extend directory of TP5, and put...

2. What is the Vue.js component? Summary of Vue.js component usage

# Introduction: This article mainly tells you about the powerful Vue.js component Detailed description, components are one of the most powerful functions of Vue.js. Interested friends can refer to what components are: Components are one of the most powerful functions of Vue.js. Components can extend HTML elements and encapsulate reusable code. At a high level, a component is a custom element to which Vue.js's compiler adds special functionality. In some cases, components can also be in the form of native HTML elements, extended with the is attribute. How to register a component? You need to use the Vue.extend method to create a...

3. WeChat payment interface development example summary

Introduction: This article mainly talks about the pitfalls encountered in the development process of WeChat applet accessing WeChat payment. It is divided into two major parts, the applet and the backend interface encapsulation. The main contents of this article are as follows: 1. Backend interface encapsulation; 2. Mini program integration; 3. Summary of pitfalls. 1. Backend interface encapsulation is based on ThinkPHP 5 for interface encapsulation. The specific steps are as follows: 1. The official WeChat payment document provides a sample of PHP script WeChat payment, download it; 2. The sample has encapsulated each class, we only need Just add the namespace, create a new directory wxpay under the extend directory of TP5, and put...

4. XML parsing basics

Introduction: Java Web Development Practical Classic In project development, the main function of HTML is to display data, and the data storage structure is Normalization requires the use of XML. XML has its own syntax, and all markup elements can be defined arbitrarily by the user. 1. Understand XML XML (eXtended Markup Language, extensible markup language) provides a set of cross-platform, cross-network, and cross-program language data description methods. Using XML can easily realize data exchange, system configuration, and content management. Wait for common functions...

5. A brief discussion on the implementation principle of jQuery plug-in extension extend

#Introduction: I believe that every front-end friend is familiar with jQuery. One of its biggest charms is that it has a large number of plug-ins. Help us implement various functions more easily. A few nights ago, I had nothing to do, so I wrote a simple jQuery plug-in. The function is very simple, it just highlights the selected elements, but some of the ideas are still worth learning. You can click here to view it. code. This article will not talk about how to write a jQuery plug-in

6. List code analysis of Java collection

##Introduction: List inherits the interface of Collection, and List is also a type of collection. List is an ordered queue. Each element in the List will have an index. The index of the first element is 0, and the index values ​​of subsequent elements are +1 in sequence. Duplicate elements are allowed in the List. List interface source code: public interface ListE> extends CollectionE> { int size();//size boolean isEmp

##7.

Introduction to the graphic code of Set in Java

Introduction: Set is also inherited from Collection. Set is also a type of collection. At the same time, set does not allow duplicate elements. exist. Set source code: public interface SetE> extends CollectionE> { int size(); //Size boolean isEmpty();//Whether it is empty boolean contains(Object o); //Whether it contains an object

8.

Code analysis of Android Adapter (Adapter) and Observer (Observer) patterns (picture)

Introduction: DataSetObserver Observer (observe data set: changed onChanged, invalid onInvalidated) Observable handles observers (add, remove, register, deregister) DataSetObservable extends Observable Added notification data Two methods of change and invalidation

9.

Java implementation of the Observer pattern instance details (picture)

Introduction: 1. Java’s own implementation class diagram/*** Observation target inherited from java.util.Observable * @author stone **/public class UpdateObservable extends Observable { private int data; public UpdateObservable(Observer observer)

10.

Extension of jQuery object--extend

##Introduction: Understand the extension of jQuery object extend

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