java spring boot tutorial

Spring Boot creates beans using Java code and registers them to Spring. From Spring3.0, a new method is added to configure Bean Definition, which is to configure Bean Definition through Java Code.The two configuration methods differ from Xml and Annotation: The first two Xml

2. Spring boot Feature1. Starter Pom (start dependent) Spring provides a series of Starterpom to simplify the dependency loading of MAVEN, referring to the official documentation 13.5 starters section. What is Starterpom, the above article HelloWorld works as an example:There are only three dependencies in a project's POM:Where:

Spring Boot Spring Boot is a new framework provided by the pivotal team designed to simplify the initial setup and development of new spring applications. The framework uses a specific approach to configuration, which eliminates the need for developers to define boilerplate

Java Spring boot uses spring reflection and bootspring Spring reflection 1. You can instantiate this class by class name. ApplicationContext. getBean (name)2. Get classes by type applicationContext.getBeansOfType(clazz); First, you must obtain the

middleware principle, processing completes will write the information to the HttpContext context object The authentication information, simultaneously exposes the security access to the HttpContextApp. Useauthentication ();These methods are exposed to HttpContext and exposed to AuthenticationManager objects through Signinasync, Signoutasync processing (asynchronous) in the code.SignIn will write locally authenticated information to the authentication-related objects, while the middleware provid

Package Com.doctor.embeddedjetty;import Java.util.concurrent.timeunit;import Org.eclipse.jetty.server.Server; Import Org.eclipse.jetty.servlet.servletcontexthandler;import Org.eclipse.jetty.servlet.servletholder;import Org.springframework.web.context.contextloaderlistener;import Org.springframework.web.context.support.annotationconfigwebapplicationcontext;import org.springframework.web.servlet.dispatcherservlet;/** * Standard spring configuration (

Spring is an open source, lightweight, one-stop framework.Spring Core two main parts AOP: Aspect-oriented programming, extended functionality is not a modification of source code implementation IOC: Control inversion, such as a class, there is a method in the class (not a static method), want to invoke the method inside the class, the general method is to create the object (new one), through the new object called method. When using the

Spring Boot Basic Tutorial 1-spring tool Suite Tools InstallationSpring Boot Basic Tutorial 2-restfull Quick build of API Simple projectSpring Boot Basic

mappings are implemented with a-p parameter. For example, we mapped the 6379 port of the Redis container to the 6378 port on this machine:Docker run-d-P 6378:6379--name Port-redis RedisDelete ContainerDocker RM Container-idRemove all containersDocker RM $ (Docker ps-a-Q)View current Container LogDocker logs Container-name/container-idSuch as:Docker logs Port-redisLanding containerA running container is actually a fully functional Linux operating system, so we can log in and access the container

Course Catalogue and:01. Spring Boot Hello world_ HD. mp402. Spring Boot Returns JSON data _ HD. mp403, Spring Boot Perfect use Fastjson parsing JSON data _ HD. mp404, Spring

Spring Boot Basics Tutorial1th QuarterInstallation and use of toolsSpring Boot Documenthttps://qbgbook.gitbooks.io/spring-boot-reference-guide-zh/content/I.%20Spring%20Boot%20Documentation/I. Tools used in the courseSpring Tool Suite:https://spring.io/tools/sts/allEclipse:ht

application development from the very beginning as a dependency injection of bean container. Java EE is discarded by many Java programmers because of its bloated, complex, and hard-to-use structure. CDI (Context Dependency injection) was introduced from Java EE6, and Java EE's design philosophy was very academic, and