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Document deletion for Solr, 200114-SpringBoot series tutorial The previous Search tutorial did not continue at the beginning, and now it is picked up again, at least to complete the basic operation posture of CURD; this article focuses on how to delete data <!-- more --> I. Configuration Before introducing demo, you need to install sol ...

1. Start by creating a spring boot project. See the following links for a way to create a spring boot project:  https://blog.csdn.net/liutong123987/article/details/79385513 2. Add the following configuration to the pom.xml file that you just created the project <dependency> <groupId>org.springframework.boot ...

Background We may often transform data between DO, Model, VO layer data: Entity corresponds to the data structure of persistence layer (generally the mapping model of database table); The Model corresponds to the data structure of the business layer; VO is the data structure that the Controller interacts with the client. For example ...

Dependency injection in spring IOC role: reduce the coupling between programs (dependency) Dependency management: to be maintained by spring (objects of other classes are needed in the current class, provided by spring, we only need to explain in the configuration file) Dependency maintenance: depende ...

1, Spring Boot Security integrates OAuth2 to design security API services OAuth is an open network standard about authorization, which is widely used all over the world. The current version is version 2.0. This article focuses on the implementation of OAuth2 by Spring Boot project. If you don't know ...

Design of Service layer Create the required package Service package: store the interface and implementation class of service exception package: store some exceptions of service (repeat seckill, close seckill, etc.) Dto package: it also stores data. The difference between dto and entity is that ...

Jmeter test Dubbo interface Preface dubbo Jmeter TestNG Spring This article introduces two ways to use jmeter to test dubbo interface Call through the way of jmeter secondary development (jar) (recommended, with requirements for coding ability) Call through JMeter plugins Dubbo Call through ...

Asynchronous callback process Parsing message (verification signature) Log collection (same) If the message is parsed successfully, the payment status will be changed to succeeded. Different payment results will be returned Template method design pattern Define the whole skeleton in advance ...

Memory-based authentication for SpringBoot integration with SpringSecurity (1) In the first tutorial, we simply learned how to use SpringSecurity, added dependencies, and added a few lines of configuration to the application.yml file to achieve a basic login authentication. The default configuration ...

1. Let's first look at the inheritance relationship of ShiroFilterFactoryBean public class ShiroFilterFactoryBean implements FactoryBean, BeanPostProcessor The FactoryBean interface is implemented, which is an important interface in spring, so let's take a look at the interface methods implemented by t ...