Introduction to Spring Boot
When we first started learning JavaWeb, we used Servlet / JSP for development, and an interface to build a Servlet is very big. Later, we can reduce the creation of Servlets by hiding domains or reflection, but it is still inconvenient. Later, we The introduction of frameworks such as Struts2 / SpringMVC to simplify our development, compared with Servlet / JSP, the introduction of frameworks, productivity has indeed improved a lot, but after a long time, and found a new problem, that is, the configuration is cumbersome If you make a mistake, you need to create a new project, first build the environment, and build the environment to build up. That is the few lines of configuration. Different projects may be different packages. Most other configurations are the same. Java is always criticized for configuration The amount of tedious code is huge, and this is one of them. So what should I do? Spring Boot came into being, and Spring Boot mainly provides the following functions:
- Provide a convenient and quick entry experience for all Spring-based Java development.
- Out of the box, you have to use your own custom configuration, if not, use the official default.
- Provides a series of general non-functional functions, such as embedded server, security management, health detection, etc.
- There is absolutely no code generation and no XML configuration.
The emergence of Spring Boot makes Java development easy again, because it really solves the pain points in development, so this technology has been widely used. Many friends around went out to interview Java engineers. From the beginning of 2017, Spring Boot basically is It must be asked that the popular Spring Cloud microservices are also based on Spring Boot, so all Java engineers must master Spring Boot.
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