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DjunnniDjunnni
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[boostCourse] spring mvc practice
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‎guestbook/pom.xml‎

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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>kr.or.connect</groupId>
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<artifactId>guestbook</artifactId>
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<packaging>war</packaging>
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<version>0.0.1-SNAPSHOT</version>
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<name>guestbook Maven Webapp</name>
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<url>http://maven.apache.org</url>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<spring.version>4.3.5.RELEASE</spring.version>
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<jackson2.version>2.8.6</jackson2.version>
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</properties>
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<dependencies>
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<!-- https://mvnrepository.com/artifact/org.springframework/spring-context -->
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-context</artifactId>
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<version>${spring.version}</version>
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</dependency>
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<!-- https://mvnrepository.com/artifact/org.springframework/spring-webmvc -->
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-webmvc</artifactId>
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<version>${spring.version}</version>
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</dependency>
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<!-- https://mvnrepository.com/artifact/javax.servlet/javax.servlet-api -->
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<dependency>
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<groupId>javax.servlet</groupId>
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<artifactId>javax.servlet-api</artifactId>
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<version>3.1.0</version>
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<scope>provided</scope>
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</dependency>
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<!-- https://mvnrepository.com/artifact/javax.servlet/jsp-api -->
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<dependency>
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<groupId>javax.servlet.jsp</groupId>
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<artifactId>javax.servlet.jsp-api</artifactId>
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<version>2.3.1</version>
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<scope>provided</scope>
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</dependency>
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<!-- https://mvnrepository.com/artifact/javax.servlet/jstl -->
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<dependency>
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<groupId>javax.servlet</groupId>
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<artifactId>jstl</artifactId>
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<version>1.2</version>
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</dependency>
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<!-- https://mvnrepository.com/artifact/org.springframework/spring-jdbc -->
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-jdbc</artifactId>
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<version>${spring.version}</version>
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</dependency>
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<!-- https://mvnrepository.com/artifact/org.springframework/spring-tx -->
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-tx</artifactId>
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<version>${spring.version}</version>
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</dependency>
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<!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
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<dependency>
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<groupId>mysql</groupId>
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<artifactId>mysql-connector-java</artifactId>
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<version>8.0.18</version>
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</dependency>
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<!-- https://mvnrepository.com/artifact/org.apache.commons/commons-dbcp2 -->
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<dependency>
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<groupId>org.apache.commons</groupId>
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<artifactId>commons-dbcp2</artifactId>
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<version>2.1.1</version>
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</dependency>
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<!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-databind -->
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<dependency>
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<groupId>com.fasterxml.jackson.core</groupId>
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<artifactId>jackson-databind</artifactId>
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<version>${jackson2.version}</version>
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</dependency>
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<!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.datatype/jackson-datatype-jdk8 -->
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<dependency>
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<groupId>com.fasterxml.jackson.datatype</groupId>
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<artifactId>jackson-datatype-jdk8</artifactId>
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<version>${jackson2.version}</version>
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</dependency>
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<!-- junit -->
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>3.8.1</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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<finalName>guestbook</finalName>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>3.6.1</version>
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<configuration>
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<source>1.8</source>
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<target>1.8</target>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</project>

‎guestbook/src/main/java/kr/or/connect/guestbook/config/ApplicationConfig.java‎

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package kr.or.connect.guestbook.config;
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import org.springframework.context.annotation.ComponentScan;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.context.annotation.Import;
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@Configuration
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@ComponentScan(basePackages = { "kr.or.connect.guestbook.dao", "kr.or.connect.guestbook.service"})
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@Import({ DBConfig.class })
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public class ApplicationConfig {
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}

‎guestbook/src/main/java/kr/or/connect/guestbook/config/DBConfig.java‎

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package kr.or.connect.guestbook.config;
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import javax.sql.DataSource;
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import org.apache.commons.dbcp2.BasicDataSource;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.jdbc.datasource.DataSourceTransactionManager;
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import org.springframework.transaction.PlatformTransactionManager;
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import org.springframework.transaction.annotation.EnableTransactionManagement;
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import org.springframework.transaction.annotation.TransactionManagementConfigurer;
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@Configuration
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@EnableTransactionManagement
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public class DBConfig implements TransactionManagementConfigurer {
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private String driverClassName = "com.mysql.jdbc.Driver";
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private String url = "jdbc:mysql://localhost:3306/connectdb?useUnicode=true&characterEncoding=utf8&serverTimezone=Asia/Seoul";
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private String username = "root";
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private String password = "dlehdwns";
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@Bean
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public DataSource dataSource() {
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BasicDataSource dataSource = new BasicDataSource();
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dataSource.setDriverClassName(driverClassName);
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dataSource.setUrl(url);
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dataSource.setUsername(username);
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dataSource.setPassword(password);
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return dataSource;
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}
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@Override
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public PlatformTransactionManager annotationDrivenTransactionManager() {
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return transactionManger();
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}
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@Bean
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public PlatformTransactionManager transactionManger() {
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return new DataSourceTransactionManager(dataSource());
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}
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}

‎guestbook/src/main/java/kr/or/connect/guestbook/config/WebMvcContextConfiguration.java‎

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package kr.or.connect.guestbook.config;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.ComponentScan;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.web.servlet.config.annotation.DefaultServletHandlerConfigurer;
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import org.springframework.web.servlet.config.annotation.EnableWebMvc;
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import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
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import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
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import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
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import org.springframework.web.servlet.view.InternalResourceViewResolver;
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@Configuration
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@EnableWebMvc
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@ComponentScan(basePackages = { "kr.or.connect.guestbook.controller" })
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public class WebMvcContextConfiguration extends WebMvcConfigurerAdapter{
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@Override
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public void addResourceHandlers(ResourceHandlerRegistry registry) {
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registry.addResourceHandler("/css/**").addResourceLocations("/css/").setCachePeriod(31556926);
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registry.addResourceHandler("/img/**").addResourceLocations("/img/").setCachePeriod(31556926);
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registry.addResourceHandler("/js/**").addResourceLocations("/js/").setCachePeriod(31556926);
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}
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// default servlet handler를 사용하게 합니다.
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@Override
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public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
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configurer.enable();
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}
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@Override
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public void addViewControllers(final ViewControllerRegistry registry) {
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System.out.println("addViewControllers가 호출됩니다. ");
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registry.addViewController("/").setViewName("index");
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}
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@Bean
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public InternalResourceViewResolver getInternalResourceViewResolver() {
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InternalResourceViewResolver resolver = new InternalResourceViewResolver();
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resolver.setPrefix("/WEB-INF/views/");
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resolver.setSuffix(".jsp");
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return resolver;
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}
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}

‎guestbook/src/main/java/kr/or/connect/guestbook/controller/GuestbookApiController.java‎

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package kr.or.connect.guestbook.controller;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import javax.servlet.http.HttpServletRequest;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.web.bind.annotation.DeleteMapping;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.PathVariable;
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import org.springframework.web.bind.annotation.PostMapping;
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import org.springframework.web.bind.annotation.RequestBody;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestParam;
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import org.springframework.web.bind.annotation.RestController;
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import kr.or.connect.guestbook.dto.Guestbook;
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import kr.or.connect.guestbook.service.GuestbookService;
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@RestController
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@RequestMapping(path="/guestbooks")
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public class GuestbookApiController {
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@Autowired
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GuestbookService guestbookService;
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@GetMapping
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public Map<String, Object> list(@RequestParam(name="start", required=false, defaultValue="0") int start) {
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List<Guestbook> list = guestbookService.getGuestbooks(start);
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int count = guestbookService.getCount();
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int pageCount = count / GuestbookService.LIMIT;
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if(count % GuestbookService.LIMIT > 0)
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pageCount++;
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List<Integer> pageStartList = new ArrayList<>();
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for(int i = 0; i < pageCount; i++) {
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pageStartList.add(i * GuestbookService.LIMIT);
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}
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Map<String, Object> map = new HashMap<>();
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map.put("list", list);
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map.put("count", count);
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map.put("pageStartList", pageStartList);
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return map;
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}
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@PostMapping
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public Guestbook write(@RequestBody Guestbook guestbook,
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HttpServletRequest request) {
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String clientIp = request.getRemoteAddr();
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// id가 입력된 guestbook이 반환된다.
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Guestbook resultGuestbook = guestbookService.addGuestbook(guestbook, clientIp);
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return resultGuestbook;
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}
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@DeleteMapping("/{id}")
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public Map<String, String> delete(@PathVariable(name="id") Long id,
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HttpServletRequest request) {
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String clientIp = request.getRemoteAddr();
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int deleteCount = guestbookService.deleteGuestbook(id, clientIp);
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return Collections.singletonMap("success", deleteCount > 0 ? "true" : "false");
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}
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}

‎guestbook/src/main/java/kr/or/connect/guestbook/controller/GuestbookController.java‎

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package kr.or.connect.guestbook.controller;
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import java.util.ArrayList;
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import java.util.List;
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import javax.servlet.http.HttpServletRequest;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Controller;
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import org.springframework.ui.ModelMap;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.ModelAttribute;
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import org.springframework.web.bind.annotation.PostMapping;
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import org.springframework.web.bind.annotation.RequestParam;
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import kr.or.connect.guestbook.dto.Guestbook;
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import kr.or.connect.guestbook.service.GuestbookService;
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@Controller
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public class GuestbookController {
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@Autowired
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GuestbookService guestbookService;
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@GetMapping(path="/list")
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public String list(@RequestParam(name="start", required=false, defaultValue="0") int start,
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ModelMap model) {
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// start로 시작하는 방명록 목록 구하기
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List<Guestbook> list = guestbookService.getGuestbooks(start);
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// 전체 페이지수 구하기
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int count = guestbookService.getCount();
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int pageCount = count / GuestbookService.LIMIT;
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if(count % GuestbookService.LIMIT > 0)
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pageCount++;
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// 페이지 수만큼 start의 값을 리스트로 저장
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// 예를 들면 페이지수가 3이면
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// 0, 5, 10 이렇게 저장된다.
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// list?start=0 , list?start=5, list?start=10 으로 링크가 걸린다.
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List<Integer> pageStartList = new ArrayList<>();
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for(int i = 0; i < pageCount; i++) {
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pageStartList.add(i * GuestbookService.LIMIT);
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}
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model.addAttribute("list", list);
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model.addAttribute("count", count);
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model.addAttribute("pageStartList", pageStartList);
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return "list";
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}
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@PostMapping(path="/write")
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public String write(@ModelAttribute Guestbook guestbook,
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HttpServletRequest request) {
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String clientIp = request.getRemoteAddr();
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System.out.println("clientIp : " + clientIp);
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guestbookService.addGuestbook(guestbook, clientIp);
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return "redirect:list";
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}
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}

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