스프링
SpringBoot
코딩 화이팅
2023. 4. 27. 13:52
간단한 실행
Spring12HelloBootApplication.java
package com.ssafy.hello;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class Spring12HelloBootApplication {
public static void main(String[] args) {
SpringApplication.run(Spring12HelloBootApplication.class, args);
}
}
//
11:25:02.933 [Thread-1] DEBUG org.springframework.boot.devtools.restart.classloader.RestartClassLoader - Created RestartClassLoader org.springframework.boot.devtools.restart.classloader.RestartClassLoader@5614984c
. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v2.7.11)
2023-04-27 11:25:03.186 INFO 2900 --- [ restartedMain] c.s.hello.Spring12HelloBootApplication : Starting Spring12HelloBootApplication using Java 1.8.0_192 on DESKTOP-DOGVPUB with PID 2900 (C:\Users\SSAFY\Desktop\test\Spring\Spring_12_HelloBoot\target\classes started by SSAFY in C:\Users\SSAFY\Desktop\test\Spring\Spring_12_HelloBoot)
2023-04-27 11:25:03.187 INFO 2900 --- [ restartedMain] c.s.hello.Spring12HelloBootApplication : No active profile set, falling back to 1 default profile: "default"
2023-04-27 11:25:03.218 INFO 2900 --- [ restartedMain] .e.DevToolsPropertyDefaultsPostProcessor : Devtools property defaults active! Set 'spring.devtools.add-properties' to 'false' to disable
2023-04-27 11:25:03.218 INFO 2900 --- [ restartedMain] .e.DevToolsPropertyDefaultsPostProcessor : For additional web related logging consider setting the 'logging.level.web' property to 'DEBUG'
2023-04-27 11:25:03.787 INFO 2900 --- [ restartedMain] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8080 (http)
2023-04-27 11:25:03.791 INFO 2900 --- [ restartedMain] o.apache.catalina.core.StandardService : Starting service [Tomcat]
2023-04-27 11:25:03.792 INFO 2900 --- [ restartedMain] org.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/9.0.74]
2023-04-27 11:25:03.830 INFO 2900 --- [ restartedMain] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
2023-04-27 11:25:03.830 INFO 2900 --- [ restartedMain] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 612 ms
2023-04-27 11:25:04.019 INFO 2900 --- [ restartedMain] o.s.b.d.a.OptionalLiveReloadServer : LiveReload server is running on port 35729
2023-04-27 11:25:04.038 INFO 2900 --- [ restartedMain] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 8080 (http) with context path ''
2023-04-27 11:25:04.045 INFO 2900 --- [ restartedMain] c.s.hello.Spring12HelloBootApplication : Started Spring12HelloBootApplication in 1.104 seconds (JVM running for 1.56)index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>HelloBoot</title>
</head>
<body>
<h2>HelloBoot</h2>
</body>
</html>
JSP파일을 만들어 데이터를 넘겨주고 웹에 띄우기
HelloController.java
package com.ssafy.hello.controller;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
@Controller
public class HelloController {
@GetMapping("/")
public String hello(Model model) {
model.addAttribute("msg", "헬로 부트야");
return "hello";
}
}
=====================================================================
hello.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>하위</title>
</head>
<body>
<h2>${msg }</h2>
</body>
</html>
=====================================================================
application.properties
# JSP path
spring.mvc.view.prefix=/WEB-INF/views/
spring.mvc.view.suffix=.jsp
=====================================================================
pom.xml
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-jasper</artifactId>
</dependency>
jstl은 혹시 모르니 추가
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
</dependency>
등록된 bean들 찾아보기
Spring12HelloBootApplication.java
package com.ssafy.hello;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.ApplicationContext;
@SpringBootApplication
//안에 componentscan이 내재돼 있어 모든 빈들을 찾을 수 있다.
public class Spring12HelloBootApplication {
public static void main(String[] args) {
ApplicationContext context = SpringApplication.run(Spring12HelloBootApplication.class, args);
for(String name : context.getBeanDefinitionNames()) {
System.out.println(name);
}
}
}
//
11:55:12.115 [Thread-1] DEBUG org.springframework.boot.devtools.restart.classloader.RestartClassLoader - Created RestartClassLoader org.springframework.boot.devtools.restart.classloader.RestartClassLoader@5614984c
. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v2.7.11)
2023-04-27 11:55:12.342 INFO 1992 --- [ restartedMain] c.s.hello.Spring12HelloBootApplication : Starting Spring12HelloBootApplication using Java 1.8.0_192 on DESKTOP-DOGVPUB with PID 1992 (C:\Users\SSAFY\Desktop\test\workspace\Spring_12_HelloBoot\target\classes started by SSAFY in C:\Users\SSAFY\Desktop\test\workspace\Spring_12_HelloBoot)
2023-04-27 11:55:12.343 INFO 1992 --- [ restartedMain] c.s.hello.Spring12HelloBootApplication : No active profile set, falling back to 1 default profile: "default"
2023-04-27 11:55:12.370 INFO 1992 --- [ restartedMain] .e.DevToolsPropertyDefaultsPostProcessor : Devtools property defaults active! Set 'spring.devtools.add-properties' to 'false' to disable
2023-04-27 11:55:12.370 INFO 1992 --- [ restartedMain] .e.DevToolsPropertyDefaultsPostProcessor : For additional web related logging consider setting the 'logging.level.web' property to 'DEBUG'
2023-04-27 11:55:12.936 INFO 1992 --- [ restartedMain] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8080 (http)
2023-04-27 11:55:12.942 INFO 1992 --- [ restartedMain] o.apache.catalina.core.StandardService : Starting service [Tomcat]
2023-04-27 11:55:12.942 INFO 1992 --- [ restartedMain] org.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/9.0.74]
2023-04-27 11:55:13.075 INFO 1992 --- [ restartedMain] org.apache.jasper.servlet.TldScanner : At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
2023-04-27 11:55:13.079 INFO 1992 --- [ restartedMain] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
2023-04-27 11:55:13.080 INFO 1992 --- [ restartedMain] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 708 ms
2023-04-27 11:55:13.201 INFO 1992 --- [ restartedMain] o.s.b.a.w.s.WelcomePageHandlerMapping : Adding welcome page: ServletContext resource [/index.html]
2023-04-27 11:55:13.268 INFO 1992 --- [ restartedMain] o.s.b.d.a.OptionalLiveReloadServer : LiveReload server is running on port 35729
2023-04-27 11:55:13.291 INFO 1992 --- [ restartedMain] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 8080 (http) with context path ''
2023-04-27 11:55:13.298 INFO 1992 --- [ restartedMain] c.s.hello.Spring12HelloBootApplication : Started Spring12HelloBootApplication in 1.176 seconds (JVM running for 1.628)
org.springframework.context.annotation.internalConfigurationAnnotationProcessor
org.springframework.context.annotation.internalAutowiredAnnotationProcessor
org.springframework.context.annotation.internalCommonAnnotationProcessor
org.springframework.context.event.internalEventListenerProcessor
org.springframework.context.event.internalEventListenerFactory
spring12HelloBootApplication
org.springframework.boot.autoconfigure.internalCachingMetadataReaderFactory
helloController
org.springframework.boot.autoconfigure.AutoConfigurationPackages
org.springframework.boot.autoconfigure.context.PropertyPlaceholderAutoConfiguration
propertySourcesPlaceholderConfigurer
org.springframework.boot.autoconfigure.websocket.servlet.WebSocketServletAutoConfiguration$TomcatWebSocketConfiguration
websocketServletWebServerCustomizer
org.springframework.boot.autoconfigure.websocket.servlet.WebSocketServletAutoConfiguration
org.springframework.boot.autoconfigure.web.servlet.ServletWebServerFactoryConfiguration$EmbeddedTomcat
tomcatServletWebServerFactory
org.springframework.boot.autoconfigure.web.servlet.ServletWebServerFactoryAutoConfiguration
servletWebServerFactoryCustomizer
tomcatServletWebServerFactoryCustomizer
org.springframework.boot.context.properties.ConfigurationPropertiesBindingPostProcessor
org.springframework.boot.context.internalConfigurationPropertiesBinderFactory
org.springframework.boot.context.internalConfigurationPropertiesBinder
org.springframework.boot.context.properties.BoundConfigurationProperties
org.springframework.boot.context.properties.EnableConfigurationPropertiesRegistrar.methodValidationExcludeFilter
server-org.springframework.boot.autoconfigure.web.ServerProperties
webServerFactoryCustomizerBeanPostProcessor
errorPageRegistrarBeanPostProcessor
org.springframework.boot.autoconfigure.web.servlet.DispatcherServletAutoConfiguration$DispatcherServletConfiguration
dispatcherServlet
spring.mvc-org.springframework.boot.autoconfigure.web.servlet.WebMvcProperties
org.springframework.boot.autoconfigure.web.servlet.DispatcherServletAutoConfiguration$DispatcherServletRegistrationConfiguration
dispatcherServletRegistration
org.springframework.boot.autoconfigure.web.servlet.DispatcherServletAutoConfiguration
org.springframework.boot.autoconfigure.task.TaskExecutionAutoConfiguration
taskExecutorBuilder
applicationTaskExecutor
spring.task.execution-org.springframework.boot.autoconfigure.task.TaskExecutionProperties
org.springframework.boot.autoconfigure.web.servlet.error.ErrorMvcAutoConfiguration$WhitelabelErrorViewConfiguration
error
beanNameViewResolver
org.springframework.boot.autoconfigure.web.servlet.error.ErrorMvcAutoConfiguration$DefaultErrorViewResolverConfiguration
conventionErrorViewResolver
spring.web-org.springframework.boot.autoconfigure.web.WebProperties
org.springframework.boot.autoconfigure.web.servlet.error.ErrorMvcAutoConfiguration
errorAttributes
basicErrorController
errorPageCustomizer
preserveErrorControllerTargetClassPostProcessor
org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration$EnableWebMvcConfiguration
requestMappingHandlerAdapter
welcomePageHandlerMapping
localeResolver
themeResolver
flashMapManager
mvcConversionService
mvcValidator
mvcContentNegotiationManager
requestMappingHandlerMapping
mvcPatternParser
mvcUrlPathHelper
mvcPathMatcher
viewControllerHandlerMapping
beanNameHandlerMapping
routerFunctionMapping
resourceHandlerMapping
mvcResourceUrlProvider
defaultServletHandlerMapping
handlerFunctionAdapter
mvcUriComponentsContributor
httpRequestHandlerAdapter
simpleControllerHandlerAdapter
handlerExceptionResolver
mvcViewResolver
mvcHandlerMappingIntrospector
viewNameTranslator
org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration$WebMvcAutoConfigurationAdapter
defaultViewResolver
viewResolver
requestContextFilter
org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration
formContentFilter
org.springframework.boot.autoconfigure.jmx.JmxAutoConfiguration
mbeanExporter
objectNamingStrategy
mbeanServer
spring.jmx-org.springframework.boot.autoconfigure.jmx.JmxProperties
org.springframework.boot.autoconfigure.admin.SpringApplicationAdminJmxAutoConfiguration
springApplicationAdminRegistrar
org.springframework.boot.autoconfigure.aop.AopAutoConfiguration$ClassProxyingConfiguration
forceAutoProxyCreatorToUseClassProxying
org.springframework.boot.autoconfigure.aop.AopAutoConfiguration
org.springframework.boot.autoconfigure.availability.ApplicationAvailabilityAutoConfiguration
applicationAvailability
org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration$Jackson2ObjectMapperBuilderCustomizerConfiguration
standardJacksonObjectMapperBuilderCustomizer
spring.jackson-org.springframework.boot.autoconfigure.jackson.JacksonProperties
org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration$JacksonObjectMapperBuilderConfiguration
jacksonObjectMapperBuilder
org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration$ParameterNamesModuleConfiguration
parameterNamesModule
org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration$JacksonObjectMapperConfiguration
jacksonObjectMapper
org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration
jsonComponentModule
jsonMixinModule
org.springframework.boot.autoconfigure.context.ConfigurationPropertiesAutoConfiguration
org.springframework.boot.autoconfigure.context.LifecycleAutoConfiguration
lifecycleProcessor
spring.lifecycle-org.springframework.boot.autoconfigure.context.LifecycleProperties
org.springframework.boot.autoconfigure.http.HttpMessageConvertersAutoConfiguration$StringHttpMessageConverterConfiguration
stringHttpMessageConverter
org.springframework.boot.autoconfigure.http.JacksonHttpMessageConvertersConfiguration$MappingJackson2HttpMessageConverterConfiguration
mappingJackson2HttpMessageConverter
org.springframework.boot.autoconfigure.http.JacksonHttpMessageConvertersConfiguration
org.springframework.boot.autoconfigure.http.HttpMessageConvertersAutoConfiguration
messageConverters
org.springframework.boot.autoconfigure.info.ProjectInfoAutoConfiguration
spring.info-org.springframework.boot.autoconfigure.info.ProjectInfoProperties
org.springframework.boot.autoconfigure.sql.init.SqlInitializationAutoConfiguration
spring.sql.init-org.springframework.boot.autoconfigure.sql.init.SqlInitializationProperties
org.springframework.boot.sql.init.dependency.DatabaseInitializationDependencyConfigurer$DependsOnDatabaseInitializationPostProcessor
org.springframework.boot.autoconfigure.task.TaskSchedulingAutoConfiguration
taskSchedulerBuilder
spring.task.scheduling-org.springframework.boot.autoconfigure.task.TaskSchedulingProperties
org.springframework.boot.autoconfigure.web.client.RestTemplateAutoConfiguration
restTemplateBuilderConfigurer
restTemplateBuilder
org.springframework.boot.autoconfigure.web.embedded.EmbeddedWebServerFactoryCustomizerAutoConfiguration$TomcatWebServerFactoryCustomizerConfiguration
tomcatWebServerFactoryCustomizer
org.springframework.boot.autoconfigure.web.embedded.EmbeddedWebServerFactoryCustomizerAutoConfiguration
org.springframework.boot.autoconfigure.web.servlet.HttpEncodingAutoConfiguration
characterEncodingFilter
localeCharsetMappingsCustomizer
org.springframework.boot.autoconfigure.web.servlet.MultipartAutoConfiguration
multipartConfigElement
multipartResolver
spring.servlet.multipart-org.springframework.boot.autoconfigure.web.servlet.MultipartProperties
org.springframework.boot.devtools.autoconfigure.LocalDevToolsAutoConfiguration$RestartConfiguration
restartingClassPathChangedEventListener
classPathFileSystemWatcher
classPathRestartStrategy
fileSystemWatcherFactory
conditionEvaluationDeltaLoggingListener
org.springframework.boot.devtools.autoconfigure.LocalDevToolsAutoConfiguration$LiveReloadConfiguration
liveReloadServer
optionalLiveReloadServer
liveReloadServerEventListener
org.springframework.boot.devtools.autoconfigure.LocalDevToolsAutoConfiguration
spring.devtools-org.springframework.boot.devtools.autoconfigure.DevToolsProperties
org.springframework.aop.config.internalAutoProxyCreator
2023-04-27 11:55:23.816 INFO 1992 --- [nio-8080-exec-1] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring DispatcherServlet 'dispatcherServlet'
2023-04-27 11:55:23.816 INFO 1992 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet : Initializing Servlet 'dispatcherServlet'
2023-04-27 11:55:23.816 INFO 1992 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet : Completed initialization in 0 msSpringBoot 설정
JSP 부분 설정
pom.xml
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-jasper</artifactId>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
</dependency>
====================================================================
application.properties
# JSP path
spring.mvc.view.prefix=/WEB-INF/views/
spring.mvc.view.suffix=.jspDB설정 : MySQL
application.properties
# dataSource
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
spring.datasource.url=jdbc:mysql://localhost:3306/ssafy_board?serverTimezone=UTC
spring.datasource.username=ssafy
spring.datasource.password=ssafyapplication.properties
# mybatis
mybatis.mapper-locations=classpath*:mappers/*.xml
mybatis.type-aliases-package=com.ssafy.board.model.dtoDBconfig.java
package com.ssafy.board.config;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Configuration;
@Configuration
@MapperScan(basePackages = "com.ssafy.board.model.dao")
public class DBConfig {
}Webconfig.java
package com.ssafy.board.config;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.ViewResolver;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import org.springframework.web.servlet.view.InternalResourceViewResolver;
import org.springframework.web.servlet.view.JstlView;
@Configuration
@EnableWebMvc
//@Value안에 있는 파일에 properties에 있는 값들을 가져올 수 있다.
public class WebConfig implements WebMvcConfigurer {
@Value("${spring.mvc.view.prefix}")
private String prefix;
@Value("${spring.mvc.view.suffix}")
private String suffix;
@Bean
public ViewResolver internalResourceViewResolver() {
InternalResourceViewResolver resolver = new InternalResourceViewResolver();
resolver.setPrefix(prefix);
resolver.setSuffix(suffix);
resolver.setViewClass(JstlView.class);
return resolver;
}Webconfig.java
@Override
public void addResourceHandlers(ResourceHandlerRegistry registry) {
registry.addResourceHandler("/**").addResourceLocations("classpath:/static/");
}Webconfig.java
@Override
public void addInterceptors(InterceptorRegistry registry) {
//인터셉터 등록하면 된다.
}