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Swagger 1. The role and concept of Swagger Official address: https://swagger.io/ Swagger is a standardized and complete framework for generating, describing, invoking and visualizing RESTful Web services and integrating swagger to automatically generate API documents. Swagger's goal is to define a standard and language independent int ...

1.1 case scenario   Assuming that the bank provides some API interfaces, the serialization of parameters is a little special. Instead of using JSON, we need to put the parameters together in turn to form a large string: 1) According to the order of API documents provided by the bank, all parameters form fixed length data and are spliced ...

About Swagger Front and rear end separation Front end: front end control layer, view layerBack end: back end control layer, service layer and data access layerThe front and back ends interact through ApiThe front and rear ends are relatively independent and loosely coupled Problems arising During front-end and back-end integration, the fron ...

Continued "Bi set up a sharp tool to teach you to build a standardized spring boot project from zero [4] - parameter verification" The problem of user authentication is a cliche. After a user logs in, many interfaces need to do user information verification. First, let the server know who the user is, and second, for data security r ...

Annotation provides a secure annotation like mechanism to associate any information or metadata with program elements (classes, methods, member variables, etc.). Some predefined annotations in JDK @Override: check whether the method marked by the annotation inherits from the parent class (Interface) @Deprecated: the method marked by the ...

preface # Spring Security supports method level permission control. In this mechanism, we can add permission annotations to any method at any layer. The annotated methods will be automatically protected by Spring Security and only allow specific users to access, so as to achieve the purpose of permission control. Of course, if the existing per ...

Introduction to service governance Let's think about a problem first Through the operations in the previous chapter, we can realize the invocation between microservices. However, we hard code the network address (ip, port) of the service provider into the code, which has many problems: Once the service provider address changes, you need ...

Start with a case pom <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> ...

How to implement interface calls within Retrofit We all know Retrofit is by defining an interface, taking an instance of the interface, and calling the corresponding method. We start with the process to see how the source code works. 1. First get a customized service instance by retrofit.create method, source code above: Here you can see ...

Official website learning address https://www.elastic.co/guide/en/elasticsearch/client/java-rest/6.6/java-rest-high.html Construction project Create a spring boot maven project Import dependency <dependency> <groupId>org.elasticsearch.client</groupId> <artifactId>elasticsearch-res ...