Programmer Think

decoupling Just now we said that the creation of resources was entrusted to sring. We can find spring for what we need. This process is like a factory model. But what objects it needs to create in the spring framework, it needs a configuration file. This configuration file tells spring which resources need to be created. For example, su ...

<dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-netflix-hystrix</artifactId> </dependency> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-alibaba-nac ...

problem 1. If there is a very time-consuming calculation in the business: + 1 million operations (the speed is slow and the execution time becomes longer) 2. Multiple execution units in the program at the same time? And they are all cycles (dead cycles) 1, Thread 1. Background java supports multithreading (JS php) and a large number ...

SpringBoot builds the back-end interface gracefully directory structure 1. Validator parameter validation 2. Global exception handling 3. Unified data response 1. Preface: A complete back-end interface is roughly divided into four parts: interface mapping address, request mode, request data and response data. How to build these four componen ...

preface When it comes to SpringBoot, we are certainly familiar with it. The automatic configuration makes it very cool for us to use in the development process. For example, the traditional mvc project needs to write a large lump in the xml file to start aop, while the SpringBoot project only needs to add the @ EnableAspectJAutoProxy an ...

preface Like data binding, type conversion is also one of the core features of Spring. The initial configuration information of Spring mainly exists in the form of XML, which requires Spring to convert string configuration into specific Java types. After the evolution of multiple versions, the type conversion function in Spring is becoming mor ...

Main technical implementation: spring, springmvc, springboot, springboot security permission control, mybatis, session, jquery, md5, bootstart JS, tomcat, interceptor, etc. Main functions: login, user management, role authority management, menu management, department management, luggage cabinet management, user deposit management, record query ...

A previous article record related to scheduled tasks: springboot uses @ Scheduled as a Scheduled task. Detailed usage Introduction to Quartz Quartz is a full-featured open source job scheduling library written in Java, which can be integrated into almost any Java application, ranging from independent applications to large-scale e-commerce ...

1 what is AOP? Aspect Oriented Programming is the abbreviation of Aspect Oriented Programming. Aspect specification is the method of dynamic agent. Its function is to enhance the method without changing the source code of the business layer method. The underlying layer uses dynamic agent technology. Aspect Oriented Programming can also be unde ...

1 what is RESTFul RESTFul programming is a style, not a protocol. Interpretation of HTTP protocol (landing scheme) and landing of request mode There are 8 http protocols Serial numbermethoddescribe1GET  Request the specified page information. The request data is placed in the protocol header and the entity body is returned2POSTSubmit resou ...