In our actual work, there is always the need to do some initialization when the project starts, such as initializing the thread pool, loading the encryption certificate in advance. Today we will introduce a Spring boot artifact, specifically to help you solve the project start initialization resource operation.The artifact is CommandLineRunner that the CommandLineRunner interface Component will be
Honghu Cloud Business Enterprise Distributed internet e-commerce platform, launched pc++app+ cloud Service cloud business platform system, including business-to-commerce, consumer-to-business, on-the-net, new retail, live e-commerce and other sub-platforms.Distributed, microservices, Cloud architecture e-commerce platform Java B2B2CTechnical SolutionsDevelopment language: Java, EEDatabase: MySQLJDK Support version: JDK1.6, JDK1.7, JDK1.8 versionUniversal frame: maven+springmvc+mybatis+
, Localechangeinterceptor and themechangeinterceptor are more commonly used.Configuring interceptors is also simple, Spring provides the base class Webmvcconfigureradapter, and we only need to rewrite the Addinterceptors method to add a registered interceptor.It only takes 3 steps to implement a custom interceptor:1. Create our own interceptor class and implement the Handlerinterceptor interface.2. Create a Java class to inherit Webmvcconfigureradapte
Rookie new to the big God do not spray, a little Daigo, grateful. Because I always pretend to be humorous, because I want to make myself happy.
Spring MVC, which is provided by the spring boot, does not meet its own requirements, and it can write a control class plus @EnableWebMvc annotations to control the MVC configuration itself.
5. Spring Boot Jar Read Resource fileIn the 2.2.2 section, it is stated that one of the features of Springboot is to run independently and embed the servlet container. There are some problems with the Spring boot project running independently of development in jar mode, this chapter mainly describes the problem of read
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Https://www.cnblogs.com/ityouknow/p/5748830.html***********************************************************Spring boot also encapsulates the NoSQL database by automating the usual database support.About RedisRedis is the most widely used memory data store in the industry today. Supports a richer data structure than memcached,redis, such as hashes, lists, sets, etc., while supporting data persistence. In add
name;7.}8. Public void setName (String name) {9. this. Name = name;10.}One. public String Getgender () {return gender;13.}Public void Setgender (String gender) {. This . gender = gender;16.}17.18.}Finally note the Spring boot entry class plus @enableconfigurationproperties1. @SpringBootApplication2. @EnableConfigurationProperties ({wiselysettings. Class, Wisely2settings. class})3. Public class DemoApplic
The environment in which the project is used:
Windows 10
JDK8
IntelliJ Idea 2017.1.3
Apache Tomcat 8
Maven 3.3.3
Create a new spring boot project using idea new projectSelect the spring Initializer type.Fill in the relevant project informationSelect DenpendcyNext, select the web.Select PathNext, select the project path, click FinishT
ObjectiveSmall projects or demos can be solved using Jdbc+sql server, which is based on the spring boot environment using JDBC to connect to the SQL Server database, consistent with the Spring MVC series. Using JDBC to connect SQL Server data in spring boot requires only the
support, logs, and Yaml
spring-boot-starter-test: Test modules, including JUnit, Hamcrest, Mockito
To introduce a Web module, you need to add a spring-boot-starter-web module:
Writing HelloWorld Services
Create pac
Previous article: Spring Boot Tutorial-Spring boot Integrated MyBatis (XML) describes the spring boot integration mybatis XML-based configuration, this article focuses on annotation mode configuration mybatis. Development Environm
Spring boot also provides automatic configuration support for the JMS (Java message Service,java message Service), which mainly supports JMS implementations such as ACTIVEMQ, Artemis, and so on. Here take ACTIVEMQ as an example.First, the use of embedded ActiveMQ1. Add Activemq Start dependencyAdd Activemq dependency information to the pom.xml of the project: org.springframework.boot
Deploying spring-boot in linux and spring-boot
First, clean maven in the project, then compress maven install into a jar package, and then delete the previous version of the Process in linux.
View the java Process command ps-ef | grep java
Kill-9 process no.
Run the spring
In Spring boot, define a REST API endpoint are pretty easy. Packagecom.globomatisc.bike.controllers;Importjava.util.ArrayList;Importjava.util.List;ImportCom.globomatisc.bike.models.Bike;ImportOrg.springframework.http.HttpStatus;Importorg.springframework.web.bind.annotation.*; @RestController @requestmapping ("/api/v1/bikes") Public classBikescontroller {@GetMapping PublicListlist () {listNewArraylist(); ret
[Spring-boot] spring aop is initially exposed to aspect programming, spring-bootaop
As we all know, spring has two core functions: aop and ioc, that is, face-oriented and control inversion. Here we will discuss how to use spring a
1. Configure the spring environment variablesIn the environment variable path add: D:\Program files\spring-boot-cli-1.5.8.release-bin\spring-1.5.8.release\binCmd:spring--versionJava--version2. Create a project using the SPRING-BOOT_CLI commandSpring init--build=maven--java-v
database connection pool selection algorithm
By default, database connections can be configured automatically using the DataSource pool. Here is an algorithm for selecting a specific implementation: because of the performance and concurrency of the Tomcat data source connection pool, we always use it preferentially when Tomcat is available. If HIKARICP is available, we will use it. If Commons DBCP is available, we will use it, but it is not recommended in the production environment. Finally, if
The Spring boot configuration file is available in two formats: Application.properties and APPLICATION.YML. Only one of the two profiles needs to be used.There are some differences in the syntax of the two configuration files, as follows1. Application.propertiesServer.port = 8080--Tomcat portServer.context-path =/webname--URL path2. Application.ymlServerport:8080--Tomcat port, note that there are spaces aft
, where the UU field is only tested if the name does not correspond, will the value be assigned successfully PrivateString UU; PrivateString resume; PublicString GetName () {returnname; } Public voidsetName (String name) { This. Name =name; } PublicInteger getage () {returnAge ; } Public voidsetage (Integer age) { This. Age =Age ; } PublicString Getuu () {returnUU; } Public voidsetuu (String uu) { This. UU =UU; } PublicString Getresume () {returnResume; } Public v
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