Programmer Think

1, Introduction The Spring Validation framework provides @ Validated (Spring's JSR-303 specification, a variant of the standard JSR-303) for the parameter validation mechanism, and javax provides @ Valid (standard JSR-303 specification), which can directly provide parameter validation results in combination with BindingResult. The specific val ...

1.ElementUI 1.1 introduction to elementui Link: ElementUI official website 1.2 ElementUI introduction case 1. Edit components You can directly click ctrl+c/v in the component module In elementui Paste ctrl+v directly in Vue component file 2. js file import //1. Import components from JS file import { Container } from 'element-ui' // ...

When developing Restful interfaces with SpringBoot, different versions of parameter implementations are required for the same interface due to changes in business such as modules and systems (older interfaces also have modules or systems in use and cannot be changed directly, so different versions are required). How do you implement multiversio ...

mybatis-plus 1. Introduction case: Table creation: create table user ( id bigint auto_increment comment 'Primary key ID' primary key, name varchar(30) null comment 'full name', age int null comment 'Age', email varchar(50) null comment 'mailbox', create_tim ...

background In the previous experience, taos client, RESTful Connector and JDBC-JNI are used. This time, we experience an example closer to the actual application scenario: the integration of TDengine with SpringBoot, MyBatis, MyBatisPlus, etc. Officials have brought their own examples, https://github.com/taosdata/TDengine/tree/develop/tests/e ...

preface This blog post mainly wants to connect the basic processes and key points of front-end and back-end development and server deployment. It does not involve very deep things in the development content and technology used, but although the sparrow has all the small and five internal organs, it is completely convenient for students who ...

sentinel integrates springcloud alibaba 1. Introducing dependencies <!--sentinel starter--> <dependency> <groupId>com.alibaba.cloud</groupId> <artifactId>spring-cloud-starter-alibaba-sentinel</artifactId> </dependency> 2. Add yml configuration to set sentinel console address for microser ...

Hello, I'm looking at the mountain. Today, after the project relies on a basic component, it failed to start. The troubleshooting process took some detours. Finally, it was confirmed that the Java. Com was caused by the version conflict of dependent components Lang.noclassdeffounderror exception. The following is the troubleshooting process. ...

preface AOP aspect oriented programming is a very important idea in programming. This article mainly introduces the use and cases of SpringBoot aspect AOP What is aop AOP (aspect oriented programming): aspect oriented programming, aspect oriented programming (also known as aspect oriented programming), is a hot spot in software develo ...

preface In the Internet era, in order to achieve faster development iterations and better flexibility of applications, Internet applications no longer use the traditional three-tier architecture, but use microservices to achieve the purposes of loose coupling, cross departmental development and rapid delivery of software systems. Docker ...