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1, Introduction to spring boot filter Foundation & actual combat 1.1 filter What is a filter It is implemented based on Servlet Technology. In short, the filter plays the role of filtering. It helps us filter some specified URLs and do some special processing in the development of web projects What does the filter mainly achieve ...

1. Create module 1.1 create SpringBoot web project and use template engine 1. Create module 018-springboot-thymeleaf-expression Introducing web and template engine After creation, POM The XML file will have the following dependent coordinates <dependency> <groupId>org.springframework.boot</groupId ...

1 objectives SpringBoot project can be created quickly (without writing any configuration files)Introduction to the basic principles of SpringBootIntroduction and use of SpringBoot configuration fileSpringBoot integrates Mybatis, Redis and timerSpring boot sends Http requestTesting in SpringBootSpring boot packaged deployment 2 create a Spring ...

relationship Spring Boot is a framework. The various components are gathered together to facilitate the rapid development of web applications. Spring Cloud is based on Spring Boot and defines a set of specific components, which can facilitate the development of microservice engineering. Spring Cloud Alibaba has made some adjustments on the bas ...

In this article, we mainly discuss the externalized configuration function of Spring Boot. This function mainly realizes the mutual cooperation with the code through external configuration resources, so as to avoid hard coding and provide the flexibility of application data or behavior changes. This paper mainly records several common operation ...

1. SpringBoot is the default servlet container The default servlet container of SpringBoot is tomcat, as shown in the following figure: 2. Embedded servlet configuration modification 2.1. Modify through global configuration file 1. You can use server XXX for web service configuration. If there is no server name, it is a genera ...

1. Hot deployment of devtools in SpringBoot 1.1. What is hot deployment Hot deployment means that every time we modify some codes and related configurations during development, we don't need to restart the whole system. We just need to wait a few seconds to automatically load the modified things successfully. 1.2. How to enable Spri ...

Integrated Druid Introduction to Druid A large part of Java programs need to operate the database. In order to improve the performance, they have to use the database connection pool when operating the database. Druid is a database connection pool implementation on Alibaba's open source platform. It combines the advantages of C3P0, DBCP and o ...

Spring 1,Spring 1.1. Introduction: Spring:spring spring concept: making existing technology easier to use is a hodgepot in itself SSH: Struct2+Spring+Hibernat SSM: SpringMVC+Spring+Mybatis <!-- https://mvnrepository.com/artifact/org.springframework/spring-webmvc --> <dependency> <groupId>org.springframework</gr ...

@TOC Conditional annotation in springboot @Conditional The bean is loaded when a specific condition is triggered There are many sub annotations under this annotation, @ConditionalOnClass package org.springframework.boot.autoconfigure.condition; import java.lang.annotation.Documented; import java.lang.annotation.ElementType; import java. ...