dao, service scan in parent container
web related scan in child container
is this for layering? Or do you have to do this?
is it okay to use only one container?
dao, service scan in parent container
web related scan in child container
is this for layering? Or do you have to do this?
is it okay to use only one container?
spring mvc can inject service or dao because the child container can see the classes injected by the parent container, but cannot inject in service or dao the contents of the controller parent container that cannot be obtained from the child container
springboot. In addition, there may be more than 2
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Why should first get the LocaleContext and RequestAttributes, of the last request saved in the processRequest method of FrameworkServlet in springmvc and finally restore LocaleContext and RequestAttributes in finally ? What s the point of doing this? ...
learn the problems encountered when the converter: now the time to convert the String format sent from the foreground into the date format, the converter only specifies the format before conversion string and the format after conversion date, but the fo...
and input parameters use @ RequestBody annotations ...
Spring,xml,@Controller,@Autowired, @RequestMapping,@Service; ,xml: <context:component-scan base-package="..." > : <mvc:annotation-driven > ?? ...
I don t understand; Why not all pass strings directly ...
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for example: what is the relationship and difference between MVC and web MVC, SpringMVC and Spring web MVC? ...
1.1: 3.4: ? : :; :3.2,APP ; ? ...
get json string ...
Spring mvc two components: HandlerMapping and HandlerAdapter; HandlerMapping can already help us match the specific controller (Controller)? then why do you need HandlerAdapter?? ...
1. I wanted to try spring mvc configuration without xml, but when I added @ EnableWebMvc to the java config class, the project failed to start. 2.HelloConfig: @Configuration @EnableWebMvc @ComponentScan public class HelloConfig implements WebMvcConf...
1. Files with suffixes jsp and html exist. When the suffix is set to jsp, access to the corresponding url can be accessed. When it is html, the access url cannot find resources. Why? I have guessed that it is because url-pattern is set to " ", but why...
Spring mvc,urlurl java handler; Spring mvcHandlerMappingHandlerAdapter: HandlerMapping(handler), HandlerAdapter; ...
1 A bean has multiple constructors injected into the spring. How does spring know which constructor to use to new the object? ...
there is an one-to-many association in the model object used on the page: <form:form action="" commandName="form" method="post"> how do I set up one-to-many associated objects? for example, there are classes: pub...
example ResponseBodyAdvice : @Order(1) @ControllerAdvice public class EncryptBodyAdvice implements ResponseBodyAdvice { @Override public boolean supports(MethodParameter returnType, Class converterType) { return returnType.getMethod()...
I want to get a common getUser static method so that I don t have to manually convert token to user in every controller public class UserUtil { @Autowired private static HttpServletRequest request; @Autowired private static HttpServle...
looked at the information on the Internet and said that it was because the OPTIONS request could not carry a custom header request. Is this true? error message Failed to load http: 192.168.1.107:8066 talk queryList: Response to preflight request do...
ordinary subclasses inherit the parent class through the extends keyword, so how do the Spring parent container and the Spring MVC child container reflect the parent-child relationship? does the container refer to a class? which class is the Spring co...
I am currently looking at the fourth edition of "Spring in action " and want to follow the actual project started in Chapter 5 of the book, but I have encountered some problems when starting the project using gradle and jetty. Code is basically copie...