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filter ◼ Filter s can dynamically intercept requests and responses. ◼ Application scenario: filter sensitive words, prevent SQL injection, set character encoding, and perform URL level Other permissions, access control, compression response information, etc. Filter programming step 1: create a filter class ◼ Write a Java class to imp ...

phenomenon When reading the source code related to spring boot, you often see spring In the factories file, the class names related to AutoConfiguration are written, so a question arises: "why write the spring.factories file when the automatically configured class has been annotated with @ Configuration? Anyone who has used Spring B ...

Spring security (II) -- custom data source preface This note records the customization of the authentication data source of spring security, that is, the user name and password of user authentication are not modified in the configuration file (this kind of authentication is to put the data source into memory and use the data source in memory ...

Development and actual combat sharing of Java blockchain voting system catalogue 1, System introduction The blockchain voting system developed based on the Java language and the popular Springboot+Mybatis framework on the market can be used for the voting platform in enterprise groups, government agencies and organizational alliances. Th ...

1. Steps for using openfeign 1.1 what is openfeign? What's the difference between him and Feign? Feign is a declarative Web Service client. Its appearance makes it easy to develop Web Service clients. To use feign, you only need to create an interface and add corresponding annotations, such as FeignClient annotation. There are notes for f ...

preface Traditional timers are hard coded. But sometimes business needs constant adjustment Problem description We have developed a function of setting the alarm clock. This function must be developed by timer. But there is a problem. The timing is dynamic. So how do we achieve it? Please keep looking brief introduction Timer is really a b ...

1 Introduction to spring security Spring Security is a security framework that can provide declarative security access control solutions for spring based enterprise applications. As it is a member of the spring ecosystem, it is constantly revised and upgraded along with the whole spring ecosystem. It is very simple to add Spring Security ...

1 integrated SpringBoot 1.1 introduction to spring boot Spring Boot is a rapid development framework of spring. It is designed based on Spring 4.0. Using Spring Boot development can avoid some cumbersome engineering construction and configuration. At the same time, it integrates a large number of common frameworks to quickly import depe ...

1, nacos server download and installation 1. Download https://github.com/alibaba/nacos/tags 2. Installation I'll demonstrate the stand-alone version on windows. Download it here zip file cmd startup.cmd -m standalone Access interface: http://localhost:8848/nacos The default account password is nacos At this time, it indicates ...

There are many @ beans in the automatic configuration classes of SpringMvc. SpringBoot automatically configures some default properties of SpringMvc according to these classes. We can override this @ Bean to customize some of our own special things. Auto configuration class name: webmvcoautoconfiguration In most cases, SpringBoot marks m ...