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表单校验案例
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‎chapter-4-spring-boot-validating-form-input/pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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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/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>spring.boot.core</groupId>
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<artifactId>chapter-4-spring-boot-validating-form-input</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<packaging>jar</packaging>
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<name>chapter-4-spring-boot-validating-form-input</name>
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<description>第四章表单校验案例</description>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>2.0.0.M4</version>
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<relativePath/> <!-- lookup parent from repository -->
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</parent>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
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<java.version>1.8</java.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-validation</artifactId>
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</dependency>
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<!-- Web 依赖 - 包含了 hibernate-validator 依赖-->
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<!-- 单元测试依赖 -->
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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</dependency>
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<!-- Spring Data JPA 依赖 :: 数据持久层框架 -->
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-data-jpa</artifactId>
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</dependency>
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<!-- h2 数据源连接驱动 -->
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<dependency>
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<groupId>com.h2database</groupId>
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<artifactId>h2</artifactId>
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<scope>runtime</scope>
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</dependency>
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<!-- 模板引擎 Thymeleaf 依赖 -->
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-thymeleaf</artifactId>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<!-- Spring Boot Maven 插件 -->
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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<version>1.5.1.RELEASE</version>
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</plugin>
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</plugins>
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</build>
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<repositories>
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<repository>
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<id>spring-milestones</id>
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<name>Spring Milestones</name>
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<url>https://repo.spring.io/libs-milestone</url>
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<snapshots>
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<enabled>false</enabled>
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</snapshots>
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</repository>
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</repositories>
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</project>

‎chapter-4-spring-boot-validating-form-input/src/main/java/spring/boot/core/ValidatingFormInputApplication.java

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package spring.boot.core;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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@SpringBootApplication
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public class ValidatingFormInputApplication {
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public static void main(String[] args) {
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SpringApplication.run(ValidatingFormInputApplication.class, args);
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}
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}

‎chapter-4-spring-boot-validating-form-input/src/main/java/spring/boot/core/domain/User.java

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package spring.boot.core.domain;
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import org.hibernate.validator.constraints.NotEmpty;
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import javax.persistence.Entity;
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import javax.persistence.GeneratedValue;
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import javax.persistence.Id;
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import javax.validation.constraints.Max;
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import javax.validation.constraints.Min;
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import javax.validation.constraints.NotNull;
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import javax.validation.constraints.Size;
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import java.io.Serializable;
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/**
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* 用户实体类
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* <p>
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* Created by bysocket on 21/07/2017.
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*/
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@Entity
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public class User implements Serializable {
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/**
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* 编号
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*/
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@Id
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@GeneratedValue
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private Long id;
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/**
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* 名称
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*/
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@NotEmpty(message = "姓名不能为空")
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@Size(min = 2, max = 8, message = "姓名长度必须大于 2 且小于 20 字")
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private String name;
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/**
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* 年龄
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*/
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@NotNull(message = "年龄不能为空")
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@Min(value = 0, message = "年龄大于 0")
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@Max(value = 300, message = "年龄不大于 300")
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private Integer age;
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/**
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* 出生时间
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*/
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@NotEmpty(message = "出生时间不能为空")
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private String birthday;
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public Long getId() {
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return id;
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}
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public void setId(Long id) {
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this.id = id;
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}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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public Integer getAge() {
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return age;
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}
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public void setAge(Integer age) {
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this.age = age;
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}
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public String getBirthday() {
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return birthday;
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}
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public void setBirthday(String birthday) {
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this.birthday = birthday;
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}
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@Override
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public String toString() {
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return "User{" +
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"id=" + id +
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", name='" + name + '\'' +
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", age=" + age +
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", birthday=" + birthday +
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'}';
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}
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}

‎chapter-4-spring-boot-validating-form-input/src/main/java/spring/boot/core/domain/UserRepository.java

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package spring.boot.core.domain;
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import org.springframework.data.jpa.repository.JpaRepository;
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/**
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* 用户持久层操作接口
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*
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* Created by bysocket on 21/07/2017.
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*/
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public interface UserRepository extends JpaRepository<User, Long> {
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}

‎chapter-4-spring-boot-validating-form-input/src/main/java/spring/boot/core/service/UserService.java

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package spring.boot.core.service;
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import spring.boot.core.domain.User;
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import java.util.List;
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/**
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* User 业务层接口
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*
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* Created by bysocket on 24/07/2017.
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*/
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public interface UserService {
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List<User> findAll();
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User insertByUser(User user);
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User update(User user);
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User delete(Long id);
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User findById(Long id);
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}

‎chapter-4-spring-boot-validating-form-input/src/main/java/spring/boot/core/service/impl/UserServiceImpl.java

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package spring.boot.core.service.impl;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import spring.boot.core.domain.User;
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import spring.boot.core.domain.UserRepository;
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import spring.boot.core.service.UserService;
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import java.util.List;
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/**
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* User 业务层实现
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*
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* Created by bysocket on 24/07/2017.
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*/
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@Service
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public class UserServiceImpl implements UserService {
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private static final Logger LOGGER = LoggerFactory.getLogger(UserServiceImpl.class);
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@Autowired
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UserRepository userRepository;
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@Override
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public List<User> findAll() {
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return userRepository.findAll();
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}
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@Override
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public User insertByUser(User user) {
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LOGGER.info("新增用户：" + user.toString());
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return userRepository.save(user);
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}
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@Override
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public User update(User user) {
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LOGGER.info("更新用户：" + user.toString());
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return userRepository.save(user);
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}
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@Override
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public User delete(Long id) {
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User user = userRepository.findById(id).get();
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userRepository.delete(user);
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LOGGER.info("删除用户：" + user.toString());
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return user;
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}
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@Override
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public User findById(Long id) {
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LOGGER.info("获取用户 ID ：" + id);
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return userRepository.findById(id).get();
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}
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}

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