Programmer Think

preface I think the topic of code looping is very interesting. Because as long as developers, they will step through this pit. If you really haven't stepped on it, it only means that you write less code, or you are a real God. Although many times, we try our best to avoid such problems, many times, the dead cycle comes quietly and pits you in ...

Bean management of IOC specific operations (based on xml) What is Bean management? Bean management actually refers to two operations. The first is to create objects for us by Spring, that is, through bean tags, and then create objects. The second is property injection by Spring. For example, a java bean has a private String userName attribute ...

Built in filter factory of Spring Cloud Gateway Built in filter factory Here, all filter factories built in Spring Cloud Gateway are simply sorted into a table. As follows: Filter factoryeffectparameterAddRequestHeaderAdd Header for original requestName and value of HeaderAddRequestParameterAdd request parameters to the original requestParam ...

First of all, we need to understand that spring supports circular dependency only when the scop is a single instance bean. Beans with a scope of prototype type are not supported. A new instance will be created every time it is called. Spring will first instantiate various attribute dependencies of the bean when instantiating the bean. If testa ...

catalogue summary Preparation dependence Configure Design scheduled tasks summary In previous projects, the spring boot's built-in scheduled task function was basically used to manage scheduled tasks. The benefits of this are Easy to use, and its functions are integrated in spring boot out of the boxThe code is easy to write and clear. ...

Recently, I received a request to convert text into voice MP3 files, store them in fastdfs, and then store the file path into the database. Our fastdfs is version 5.05, and the fastdfs tool class has been changed to support concurrency public class FastClient<main> { private static Logger logger = Logger.getLogger(FastClient.class ...

1, Custom error analyzer First throw an exception in the main method: @SpringBootApplication public class P1Application implements CommandLineRunner { public static void main(String[] args) { final SpringApplication application = new SpringApplication(P1Application.class); application.run(args); } @Autowired ...

What is AOP AOP (Aspect Oriented Programming) means: aspect oriented programming, which realizes the unified maintenance of program functions through precompiled mode and runtime dynamic agent. AOP is a continuation of OOP. It is not only a hot spot in software development, but also an important content in Spring framework. It is a derivative ...

Experienced spring MVC users should have a general understanding of its HTTP request processing process. Spring MVC is an extension of the native Servlet, which maps the request method and the request processing method, that is, the path specified in our common @ RequestMapping and the mapping of the method with @ RequestMapping annotation. Thi ...

    Common annotations and usage in spring MVC Introduction to MVC Introduction to spring MVC Common annotations in spring MVC @GetMapping @RequestParam @RequestBody @PathVariable @RequestHeader @CookieValue @ModelAttribute @SessionAttributes New annotation @Difference between RequestMapping and @ GetMapping @PostMapping I ...