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‎springboot3.0/springboot354-jpa-mybatis-plus/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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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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>3.5.4</version>
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<relativePath/> <!-- lookup parent from repository -->
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</parent>
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<groupId>com.springboot354</groupId>
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<artifactId>springboot354</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<name>springboot354</name>
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<description>Demo project for Spring Boot</description>
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<url/>
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<licenses>
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<license/>
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</licenses>
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<developers>
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<developer/>
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</developers>
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<scm>
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<connection/>
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<developerConnection/>
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<tag/>
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<url/>
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</scm>
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<properties>
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<java.version>17</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-web</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-devtools</artifactId>
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<scope>runtime</scope>
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<optional>true</optional>
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</dependency>
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<!-- Spring Boot Starter Data JPA -->
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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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<!-- PostgreSQL JDBC 驱动 -->
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<dependency>
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<groupId>org.postgresql</groupId>
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<artifactId>postgresql</artifactId>
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<scope>runtime</scope>
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</dependency>
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<!-- MyBatis-Plus Starter -->
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<dependency>
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<groupId>com.baomidou</groupId>
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<artifactId>mybatis-plus-spring-boot3-starter</artifactId>
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<version>3.5.9</version>
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</dependency>
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<!-- 分页使用，非必须 -->
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<!--<dependency>-->
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<!-- <groupId>com.baomidou</groupId>-->
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<!-- <artifactId>mybatis-plus-extension</artifactId>-->
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<!-- <version>3.5.4</version>-->
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<!--</dependency>-->
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<dependency>
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<groupId>com.alibaba.fastjson2</groupId>
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<artifactId>fastjson2</artifactId>
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<version>2.0.55</version>
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</dependency>
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<dependency>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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<optional>true</optional>
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</dependency>
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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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</dependencies>
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<build>
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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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<configuration>
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<annotationProcessorPaths>
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<path>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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</path>
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</annotationProcessorPaths>
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</configuration>
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</plugin>
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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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<configuration>
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<excludes>
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<exclude>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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</exclude>
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</excludes>
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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>

‎springboot3.0/springboot354-jpa-mybatis-plus/src/main/java/com/springboot354/demo/Springboot354Application.java‎

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package com.springboot354.demo;
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import org.mybatis.spring.annotation.MapperScan;
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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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@MapperScan("com.springboot354.demo.mapper")
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public class Springboot354Application {
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public static void main(String[] args) {
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SpringApplication.run(Springboot354Application.class, args);
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}
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}

‎springboot3.0/springboot354-jpa-mybatis-plus/src/main/java/com/springboot354/demo/config/MyBatisPlusConfig.java‎

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package com.springboot354.demo.config;
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import com.baomidou.mybatisplus.annotation.DbType;
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import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
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//import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
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import org.mybatis.spring.annotation.MapperScan;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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@Configuration
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@MapperScan("com.springboot354.demo.mapper")
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public class MyBatisPlusConfig {
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@Bean
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public MybatisPlusInterceptor mybatisPlusInterceptor() {
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MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
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//interceptor.addInnerInterceptor(new PaginationInnerInterceptor(DbType.POSTGRE_SQL));
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return interceptor;
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}
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}

‎springboot3.0/springboot354-jpa-mybatis-plus/src/main/java/com/springboot354/demo/config/TransactionConfig.java‎

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package com.springboot354.demo.config;
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import jakarta.persistence.EntityManagerFactory;
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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.context.annotation.Primary;
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import org.springframework.orm.jpa.JpaTransactionManager;
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import org.springframework.transaction.PlatformTransactionManager;
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import org.springframework.transaction.annotation.EnableTransactionManagement;
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import javax.sql.DataSource;
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@Configuration
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@EnableTransactionManagement
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public class TransactionConfig {
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@Bean
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@Primary
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public PlatformTransactionManager transactionManager(EntityManagerFactory entityManagerFactory, DataSource dataSource) {
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JpaTransactionManager transactionManager = new JpaTransactionManager(entityManagerFactory);
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transactionManager.setDataSource(dataSource);
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return transactionManager;
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}
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}

‎springboot3.0/springboot354-jpa-mybatis-plus/src/main/java/com/springboot354/demo/entity/User.java‎

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package com.springboot354.demo.entity;
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import com.baomidou.mybatisplus.annotation.IdType;
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import com.baomidou.mybatisplus.annotation.TableField;
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import com.baomidou.mybatisplus.annotation.TableId;
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import com.baomidou.mybatisplus.annotation.TableName;
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import jakarta.persistence.*;
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import lombok.Data;
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import java.util.Date;
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//@Data
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@Entity
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@Table(name = "t_user")
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@TableName(value = "t_user")
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public class User {
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@Id
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@GeneratedValue(strategy = GenerationType.IDENTITY)
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@TableId(type = IdType.AUTO)
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private Long id;
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@Column(nullable = false, unique = true)
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private String username;
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@Column(nullable = false)
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private String password;
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@Column(nullable = false, name = "created_at")
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@TableField(value = "created_at")
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private Date createdTime;
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// getter setter
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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 getUsername() {
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return username;
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}
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public void setUsername(String username) {
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this.username = username;
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}
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public String getPassword() {
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return password;
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}
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public void setPassword(String password) {
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this.password = password;
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}
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public Date getCreatedTime() {
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return createdTime;
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}
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public void setCreatedTime(Date createdTime) {
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this.createdTime = createdTime;
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}
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}

‎springboot3.0/springboot354-jpa-mybatis-plus/src/main/java/com/springboot354/demo/entity/User2.java‎

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package com.springboot354.demo.entity;
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import jakarta.persistence.*;
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import lombok.Data;
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import java.util.Date;
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//@Data
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@Entity
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@Table(name = "t_user")
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public class User {
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@Id
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@GeneratedValue(strategy = GenerationType.IDENTITY)
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private Long id;
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@Column(nullable = false, unique = true)
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private String username;
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@Column(nullable = false)
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private String password;
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@Column(nullable = false, name = "created_at")
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private Date createdTime;
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// getter setter
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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 getUsername() {
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return username;
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}
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public void setUsername(String username) {
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this.username = username;
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}
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public String getPassword() {
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return password;
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}
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public void setPassword(String password) {
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this.password = password;
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}
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public Date getCreatedTime() {
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return createdTime;
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}
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public void setCreatedTime(Date createdTime) {
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this.createdTime = createdTime;
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}
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}
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//package com.springboot354.demo.entity;
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//
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//
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//import jakarta.persistence.*;
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//
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//import java.util.Date;
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//
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////@Data
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//@Entity
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//@Table(name = "t_user")
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//public class User2 {
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//
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// @Id
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// @GeneratedValue(strategy = GenerationType.IDENTITY)
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// private Long id;
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//
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// @Column(nullable = false, unique = true)
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// private String username;
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//
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// @Column(nullable = false)
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// private String password;
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//
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// @Column(nullable = false, name = "created_at")
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// private Date createdTime;
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//
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//
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//
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// // getter setter
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// public Long getId() {
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// return id;
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// }
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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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//
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// public String getUsername() {
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// return username;
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// }
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//
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// public void setUsername(String username) {
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// this.username = username;
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// }
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//
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// public String getPassword() {
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// return password;
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// }
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//
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// public void setPassword(String password) {
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// this.password = password;
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// }
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//
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// public Date getCreatedTime() {
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// return createdTime;
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// }
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//
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// public void setCreatedTime(Date createdTime) {
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// this.createdTime = createdTime;
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// }
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//}

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