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‎demo.iml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<module org.jetbrains.idea.maven.project.MavenProjectsManager.isMavenModule="true" type="JAVA_MODULE" version="4">
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<component name="FacetManager">
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<facet type="web" name="Web">
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<configuration>
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<descriptors>
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<deploymentDescriptor name="web.xml" url="file://$MODULE_DIR$/src/main/webapp/WEB-INF/web.xml" />
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</descriptors>
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<webroots>
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<root url="file://$MODULE_DIR$/src/main/webapp" relative="/" />
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</webroots>
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</configuration>
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</facet>
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<facet type="Spring" name="Spring">
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<configuration>
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<fileset id="fileset" name="Spring Application Context" removed="false">
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<file>file://$MODULE_DIR$/src/main/webapp/WEB-INF/mvc-dispatcher-servlet.xml</file>
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</fileset>
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</configuration>
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</facet>
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<facet type="jpa" name="JPA">
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<configuration>
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<setting name="validation-enabled" value="true" />
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<setting name="provider-name" value="" />
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<datasource-mapping>
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<factory-entry name="defaultPersistenceUnit" />
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<factory-entry name="noname-a.xml@0" value="c0cc93d0-8be0-4cfa-a804-adaee631058c" />
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</datasource-mapping>
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<deploymentDescriptor name="persistence.xml" url="file://$MODULE_DIR$/src/main/resources/META-INF/persistence.xml" />
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</configuration>
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</facet>
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</component>
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<component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_5" inherit-compiler-output="false">
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<output url="file://$MODULE_DIR$/target/classes" />
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<output-test url="file://$MODULE_DIR$/target/test-classes" />
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<content url="file://$MODULE_DIR$">
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<sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
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<sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
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<excludeFolder url="file://$MODULE_DIR$/target" />
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</content>
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<orderEntry type="inheritedJdk" />
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<orderEntry type="sourceFolder" forTests="false" />
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<orderEntry type="library" scope="TEST" name="Maven: junit:junit:3.8.1" level="project" />
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<orderEntry type="library" name="Maven: org.springframework:spring-core:4.2.2.RELEASE" level="project" />
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<orderEntry type="library" name="Maven: commons-logging:commons-logging:1.2" level="project" />
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<orderEntry type="library" name="Maven: org.springframework:spring-web:4.2.2.RELEASE" level="project" />
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<orderEntry type="library" name="Maven: org.springframework:spring-aop:4.2.2.RELEASE" level="project" />
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<orderEntry type="library" name="Maven: aopalliance:aopalliance:1.0" level="project" />
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<orderEntry type="library" name="Maven: org.springframework:spring-beans:4.2.2.RELEASE" level="project" />
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<orderEntry type="library" name="Maven: org.springframework:spring-context:4.2.2.RELEASE" level="project" />
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<orderEntry type="library" name="Maven: javax.servlet:servlet-api:2.5" level="project" />
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<orderEntry type="library" scope="PROVIDED" name="Maven: javax.servlet.jsp:jsp-api:2.1" level="project" />
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<orderEntry type="library" name="Maven: org.springframework:spring-webmvc:4.2.2.RELEASE" level="project" />
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<orderEntry type="library" name="Maven: org.springframework:spring-expression:4.2.2.RELEASE" level="project" />
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<orderEntry type="library" scope="TEST" name="Maven: org.springframework:spring-test:4.2.2.RELEASE" level="project" />
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<orderEntry type="library" name="Maven: jstl:jstl:1.2" level="project" />
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<orderEntry type="library" name="Maven: org.springframework.data:spring-data-jpa:1.2.0.RELEASE" level="project" />
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<orderEntry type="library" name="Maven: org.springframework.data:spring-data-commons-core:1.4.0.RELEASE" level="project" />
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<orderEntry type="library" name="Maven: org.springframework:spring-orm:3.1.2.RELEASE" level="project" />
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<orderEntry type="library" name="Maven: org.springframework:spring-jdbc:3.1.2.RELEASE" level="project" />
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<orderEntry type="library" name="Maven: org.springframework:spring-tx:3.1.2.RELEASE" level="project" />
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<orderEntry type="library" name="Maven: org.slf4j:slf4j-api:1.6.1" level="project" />
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<orderEntry type="library" scope="RUNTIME" name="Maven: org.slf4j:jcl-over-slf4j:1.6.1" level="project" />
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<orderEntry type="library" name="Maven: org.aspectj:aspectjrt:1.6.12" level="project" />
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<orderEntry type="library" name="Maven: org.hibernate.javax.persistence:hibernate-jpa-2.0-api:1.0.0.Final" level="project" />
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<orderEntry type="library" name="Maven: org.hibernate:hibernate-entitymanager:3.6.10.Final" level="project" />
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<orderEntry type="library" name="Maven: org.hibernate:hibernate-core:3.6.10.Final" level="project" />
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<orderEntry type="library" name="Maven: antlr:antlr:2.7.6" level="project" />
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<orderEntry type="library" name="Maven: commons-collections:commons-collections:3.1" level="project" />
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<orderEntry type="library" name="Maven: dom4j:dom4j:1.6.1" level="project" />
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<orderEntry type="library" name="Maven: org.hibernate:hibernate-commons-annotations:3.2.0.Final" level="project" />
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<orderEntry type="library" name="Maven: javax.transaction:jta:1.1" level="project" />
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<orderEntry type="library" name="Maven: cglib:cglib:2.2" level="project" />
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<orderEntry type="library" name="Maven: asm:asm:3.1" level="project" />
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<orderEntry type="library" name="Maven: javassist:javassist:3.12.0.GA" level="project" />
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<orderEntry type="library" name="Maven: mysql:mysql-connector-java:5.1.34" level="project" />
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<orderEntry type="library" name="Maven: org.json:json:20080701" level="project" />
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</component>
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</module>

‎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>com.cenyol</groupId>
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<artifactId>example</artifactId>
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<packaging>war</packaging>
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<version>1.0-SNAPSHOT</version>
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<name>example Maven Webapp</name>
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<url>http://maven.apache.org</url>
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<properties>
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<spring.version>4.2.2.RELEASE</spring.version>
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<spring-data.version>1.2.0.RELEASE</spring-data.version>
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</properties>
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<dependencies>
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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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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-core</artifactId>
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<version>${spring.version}</version>
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</dependency>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-web</artifactId>
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<version>${spring.version}</version>
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</dependency>
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<dependency>
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<groupId>javax.servlet</groupId>
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<artifactId>servlet-api</artifactId>
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<version>2.5</version>
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</dependency>
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<dependency>
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<groupId>javax.servlet.jsp</groupId>
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<artifactId>jsp-api</artifactId>
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<version>2.1</version>
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<scope>provided</scope>
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</dependency>
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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>${spring.version}</version>
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</dependency>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-test</artifactId>
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<version>${spring.version}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>jstl</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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<dependency>
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<groupId>org.springframework.data</groupId>
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<artifactId>spring-data-jpa</artifactId>
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<version>${spring-data.version}</version>
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</dependency>
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<dependency>
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<groupId>org.hibernate.javax.persistence</groupId>
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<artifactId>hibernate-jpa-2.0-api</artifactId>
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<version>1.0.0.Final</version>
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</dependency>
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<dependency>
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<groupId>org.hibernate</groupId>
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<artifactId>hibernate-entitymanager</artifactId>
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<version>3.6.10.Final</version>
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</dependency>
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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>5.1.34</version>
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</dependency>
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<dependency>
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<groupId>org.json</groupId>
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<artifactId>json</artifactId>
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<version>20080701</version>
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</dependency>
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</dependencies>
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<build>
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<finalName>example</finalName>
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</build>
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</project>

‎src/main/java/com/cenyol/example/controller/MainController.java‎

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package com.cenyol.example.controller;
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import com.cenyol.example.model.UserEntity;
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import com.cenyol.example.repository.UserRepository;
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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.ModelAttribute;
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import org.springframework.web.bind.annotation.PathVariable;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestMethod;
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import java.lang.reflect.Method;
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import java.util.List;
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/**
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* Created by sjj on 2015/10/24 0024.
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*/
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@Controller
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public class MainController {
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// 自动装配
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@Autowired
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private UserRepository userRepository;
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// 首页
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@RequestMapping(value = "/", method = RequestMethod.GET)
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public String index() {
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return "index";
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}
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// 用户管理
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@RequestMapping(value = "/users", method = RequestMethod.GET)
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public String users(ModelMap modelMap){
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// 找到user表里面的所有记录
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List<UserEntity> userEntityList = userRepository.findAll();
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// 将所有的记录传递给返回的jsp页面
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modelMap.addAttribute("userList", userEntityList);
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// 返回pages目录下的userManage.jsp
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return "userManage";
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}
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// 添加用户表单页面
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@RequestMapping(value = "/addUser", method = RequestMethod.GET)
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public String addUser(){
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return "addUser";
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}
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// 添加用户处理
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@RequestMapping(value = "/addUserPost", method = RequestMethod.POST)
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public String addUserPost(@ModelAttribute("user") UserEntity userEntity){
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// 向数据库添加一个用户
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//userRepository.save(userEntity);
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// 向数据库添加一个用户，并将内存中缓存区的数据刷新，立即写入数据库，之后才可以进行访问读取
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userRepository.saveAndFlush(userEntity);
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// 返回重定向页面
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return "redirect:/users";
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}
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// 查看用户详细信息
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// @PathVariable可以收集url中的变量，需匹配的变量用{}括起来
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// 例如：访问 localhost:8080/showUser/1 ，将匹配 userId = 1
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@RequestMapping(value = "/showUser/{userId}", method = RequestMethod.GET)
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public String showUser( @PathVariable("userId") Integer userId, ModelMap modelMap ){
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UserEntity userEntity = userRepository.findOne(userId);
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modelMap.addAttribute("user", userEntity);
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return "userDetail";
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}
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// 更新用户信息页面
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@RequestMapping(value = "/updateUser/{userId}", method = RequestMethod.GET)
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public String updateUser(@PathVariable("userId") Integer userId, ModelMap modelMap){
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UserEntity userEntity = userRepository.findOne(userId);
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modelMap.addAttribute("user", userEntity);
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return "updateUser";
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}
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// 处理用户修改请求
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@RequestMapping(value = "/updateUserPost", method = RequestMethod.POST)
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public String updateUserPost(@ModelAttribute("user") UserEntity userEntity){
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userRepository.updateUser(
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userEntity.getFirstName(),
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userEntity.getLastName(),
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userEntity.getPassword(),
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userEntity.getId()
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);
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return "redirect:/users";
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}
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// 删除用户
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@RequestMapping(value = "/deleteUser/{userId}", method = RequestMethod.GET)
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public String deleteUser(@PathVariable("userId") Integer userId){
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// 删除id为userId的用户
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userRepository.delete(userId);
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// 立即刷新数据库
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userRepository.flush();
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return "redirect:/users";
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}
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}

‎src/main/java/com/cenyol/example/model/BlogEntity.java‎

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package com.cenyol.example.model;
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import javax.persistence.*;
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/**
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* Created by sjj on 2015/10/24 0024.
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*/
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@Entity
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@Table(name = "blog", schema = "", catalog = "test")
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public class BlogEntity {
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private int id;
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private String title;
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private String content;
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private UserEntity userByUserid;
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@Id
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@Column(name = "id", nullable = false, insertable = true, updatable = true)
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public int getId() {
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return id;
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}
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public void setId(int id) {
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this.id = id;
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}
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@Basic
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@Column(name = "title", nullable = true, insertable = true, updatable = true, length = 100)
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public String getTitle() {
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return title;
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}
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public void setTitle(String title) {
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this.title = title;
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}
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@Basic
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@Column(name = "content", nullable = true, insertable = true, updatable = true, length = 255)
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public String getContent() {
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return content;
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}
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public void setContent(String content) {
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this.content = content;
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (o == null || getClass() != o.getClass()) return false;
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BlogEntity that = (BlogEntity) o;
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if (id != that.id) return false;
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if (title != null ? !title.equals(that.title) : that.title != null) return false;
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if (content != null ? !content.equals(that.content) : that.content != null) return false;
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return true;
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}
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@Override
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public int hashCode() {
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int result = id;
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result = 31 * result + (title != null ? title.hashCode() : 0);
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result = 31 * result + (content != null ? content.hashCode() : 0);
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return result;
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}
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@ManyToOne
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@JoinColumn(name = "userid", referencedColumnName = "id")
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public UserEntity getUserByUserid() {
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return userByUserid;
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}
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public void setUserByUserid(UserEntity userByUserid) {
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this.userByUserid = userByUserid;
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}
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}

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