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This article mainly shows you "java how to use ApplicationContext to inject Bean", the content is easy to understand, clear, hope to help you solve your doubts, the following let the editor lead you to study and learn "java how to use ApplicationContext to inject Bean" this article.

Use ApplicationContext to inject Bean

It is another core interface or container of spring in addition to BeanFactory, which allows the container to create, obtain, and manage bean through the application context. Provides a configured central interface for the application. This is read-only when the application is running, but can be reloaded if the implementation supports this.

Step 1: modify the project startup class to get ApplicationContext

@ SpringBootApplicationpublic class TestgroovyApplication {/ / get the application context private static ApplicationContext applicationContext; public static void main (String [] args) {applicationContext = SpringApplication.run (TestgroovyApplication.class, args);} step 2: modify the .groovy file created in the resources directory

/ *. * Groovy acquires Bean * / @ Override void run () {log.info ("Groovy starts execution, current class {}", this.getClass () ScriptService service = TestgroovyApplication.applicationContext.getBean (ScriptService.class) log.info ("ApplicationContext gets object [{}]" Service.class) List item = service.findAll () / execute data query method for (Script s: item) {log.info ("Creator: [{}], Rule id: [{}], name: [{}]", s.getCreatePerson (), s.getRuleId (), s.getScriptName ())} log.info ("Groovy ends execution, current class {}" This.getClass ()}

The result of running the script:

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