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✨ spring-boot-demo-orm-jpa 完成

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Yangkai.Shen 6 years ago
parent
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  1. +409
    -0
      spring-boot-demo-orm-jpa/README.md
  2. +22
    -1
      spring-boot-demo-orm-jpa/pom.xml
  3. +59
    -0
      spring-boot-demo-orm-jpa/src/main/java/com/xkcoding/orm/jpa/config/JpaConfig.java
  4. +69
    -0
      spring-boot-demo-orm-jpa/src/main/java/com/xkcoding/orm/jpa/entity/User.java
  5. +51
    -0
      spring-boot-demo-orm-jpa/src/main/java/com/xkcoding/orm/jpa/entity/base/AbstractAuditModel.java
  6. +23
    -0
      spring-boot-demo-orm-jpa/src/main/java/com/xkcoding/orm/jpa/repository/UserDao.java
  7. +39
    -0
      spring-boot-demo-orm-jpa/src/main/resources/application.yml
  8. +130
    -0
      spring-boot-demo-orm-jpa/src/test/java/com/xkcoding/orm/jpa/repository/UserDaoTest.java

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spring-boot-demo-orm-jpa/README.md View File

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# spring-boot-demo-orm-jpa
> 此 demo 主要演示了 Spring Boot 如何使用 JPA 操作数据库。

## pom.xml
```xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>

<artifactId>spring-boot-demo-orm-jpa</artifactId>
<version>1.0.0-SNAPSHOT</version>
<packaging>jar</packaging>

<name>spring-boot-demo-orm-jpa</name>
<description>Demo project for Spring Boot</description>

<parent>
<groupId>com.xkcoding</groupId>
<artifactId>spring-boot-demo</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>

<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
</properties>

<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>

<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>

<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>

<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>

<dependency>
<groupId>cn.hutool</groupId>
<artifactId>hutool-all</artifactId>
</dependency>

<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
</dependency>

<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
</dependencies>

<build>
<finalName>spring-boot-demo-orm-jpa</finalName>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>

</project>
```
## JpaConfig.java
```java
/**
* <p>
* JPA配置类
* </p>
*
* @package: com.xkcoding.orm.jpa.config
* @description: JPA配置类
* @author: yangkai.shen
* @date: Created in 2018/11/7 11:05
* @copyright: Copyright (c) 2018
* @version: V1.0
* @modified: yangkai.shen
*/
@Configuration
@EnableTransactionManagement
@EnableJpaAuditing
@EnableJpaRepositories(basePackages = "com.xkcoding.orm.jpa.repository", transactionManagerRef = "jpaTransactionManager")
public class JpaConfig {
@Bean
@ConfigurationProperties(prefix = "spring.datasource")
public DataSource dataSource() {
return DataSourceBuilder.create().build();
}

@Bean
public LocalContainerEntityManagerFactoryBean entityManagerFactory() {
HibernateJpaVendorAdapter japVendor = new HibernateJpaVendorAdapter();
japVendor.setGenerateDdl(false);
LocalContainerEntityManagerFactoryBean entityManagerFactory = new LocalContainerEntityManagerFactoryBean();
entityManagerFactory.setDataSource(dataSource());
entityManagerFactory.setJpaVendorAdapter(japVendor);
entityManagerFactory.setPackagesToScan("com.xkcoding.orm.jpa.entity");
return entityManagerFactory;
}

@Bean
public PlatformTransactionManager jpaTransactionManager(EntityManagerFactory entityManagerFactory) {
JpaTransactionManager transactionManager = new JpaTransactionManager();
transactionManager.setEntityManagerFactory(entityManagerFactory);
return transactionManager;
}
}
```
## User.java
```java
/**
* <p>
* 用户实体类
* </p>
*
* @package: com.xkcoding.orm.jpa.entity
* @description: 用户实体类
* @author: yangkai.shen
* @date: Created in 2018/11/7 14:06
* @copyright: Copyright (c)
* @version: V1.0
* @modified: yangkai.shen
*/
@EqualsAndHashCode(callSuper = true)
@Data
@NoArgsConstructor
@AllArgsConstructor
@Builder
@Entity
@Table(name = "orm_user")
@ToString(callSuper = true)
public class User extends AbstractAuditModel {
/**
* 用户名
*/
private String name;

/**
* 加密后的密码
*/
private String password;

/**
* 加密使用的盐
*/
private String salt;

/**
* 邮箱
*/
private String email;

/**
* 手机号码
*/
@Column(name = "phone_number")
private String phoneNumber;

/**
* 状态，-1：逻辑删除，0：禁用，1：启用
*/
private Integer status;

/**
* 上次登录时间
*/
@Column(name = "last_login_time")
private Date lastLoginTime;
}
```
## AbstractAuditModel.java
```java
/**
* <p>
* 实体通用父类
* </p>
*
* @package: com.xkcoding.orm.jpa.entity.base
* @description: 实体通用父类
* @author: yangkai.shen
* @date: Created in 2018/11/7 14:01
* @copyright: Copyright (c) 2018
* @version: V1.0
* @modified: yangkai.shen
*/
@MappedSuperclass
@EntityListeners(AuditingEntityListener.class)
@Data
public abstract class AbstractAuditModel implements Serializable {
/**
* 主键
*/
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;

/**
* 创建时间
*/
@Temporal(TemporalType.TIMESTAMP)
@Column(name = "create_time", nullable = false, updatable = false)
@CreatedDate
private Date createTime;

/**
* 上次更新时间
*/
@Temporal(TemporalType.TIMESTAMP)
@Column(name = "last_update_time", nullable = false)
@LastModifiedDate
private Date lastUpdateTime;
}
```
## UserDao.java
```java
/**
* <p>
* User Dao
* </p>
*
* @package: com.xkcoding.orm.jpa.repository
* @description: User Dao
* @author: yangkai.shen
* @date: Created in 2018/11/7 14:07
* @copyright: Copyright (c) 2018
* @version: V1.0
* @modified: yangkai.shen
*/
@Repository
public interface UserDao extends JpaRepository<User, Long> {

}
```
## application.yml
```yaml
server:
port: 8080
servlet:
context-path: /demo
spring:
datasource:
jdbc-url: jdbc:mysql://127.0.0.1:3306/spring-boot-demo?useUnicode=true&characterEncoding=UTF-8&useSSL=false&autoReconnect=true&failOverReadOnly=false&serverTimezone=GMT%2B8
username: root
password: root
driver-class-name: com.mysql.cj.jdbc.Driver
type: com.zaxxer.hikari.HikariDataSource
initialization-mode: always
continue-on-error: true
schema:
- "classpath:db/schema.sql"
data:
- "classpath:db/data.sql"
hikari:
minimum-idle: 5
connection-test-query: SELECT 1 FROM DUAL
maximum-pool-size: 20
auto-commit: true
idle-timeout: 30000
pool-name: SpringBootDemoHikariCP
max-lifetime: 60000
connection-timeout: 30000
jpa:
show-sql: true
hibernate:
ddl-auto: validate
properties:
hibernate:
dialect: org.hibernate.dialect.MySQL57InnoDBDialect
open-in-view: true
logging:
level:
com.xkcoding: debug
org.hibernate.SQL: debug
org.hibernate.type: trace
```
## UserDaoTest.java
```java
/**
* <p>
* jpa 测试类
* </p>
*
* @package: com.xkcoding.orm.jpa.repository
* @description: jpa 测试类
* @author: yangkai.shen
* @date: Created in 2018/11/7 14:09
* @copyright: Copyright (c) 2018
* @version: V1.0
* @modified: yangkai.shen
*/
@Slf4j
public class UserDaoTest extends SpringBootDemoOrmJpaApplicationTests {
@Autowired
private UserDao userDao;

/**
* 测试保存
*/
@Test
public void testSave() {
String salt = IdUtil.fastSimpleUUID();
User testSave3 = User.builder().name("testSave3").password(SecureUtil.md5("123456" + salt)).salt(salt).email("testSave3@xkcoding.com").phoneNumber("17300000003").status(1).lastLoginTime(new DateTime()).build();
userDao.save(testSave3);

Assert.assertNotNull(testSave3.getId());
Optional<User> byId = userDao.findById(testSave3.getId());
Assert.assertTrue(byId.isPresent());
log.debug("【byId】= {}", byId.get());
}

/**
* 测试删除
*/
@Test
public void testDelete() {
long count = userDao.count();
userDao.deleteById(1L);
long left = userDao.count();
Assert.assertEquals(count - 1, left);
}

/**
* 测试修改
*/
@Test
public void testUpdate() {
userDao.findById(1L).ifPresent(user -> {
user.setName("JPA修改名字");
userDao.save(user);
});
Assert.assertEquals("JPA修改名字", userDao.findById(1L).get().getName());
}

/**
* 测试查询单个
*/
@Test
public void testQueryOne() {
Optional<User> byId = userDao.findById(1L);
Assert.assertTrue(byId.isPresent());
log.debug("【byId】= {}", byId.get());
}

/**
* 测试查询所有
*/
@Test
public void testQueryAll() {
List<User> users = userDao.findAll();
Assert.assertNotEquals(0, users.size());
log.debug("【users】= {}", users);
}

/**
* 测试分页排序查询
*/
@Test
public void testQueryPage() {
// 初始化数据
initData();
// JPA分页的时候起始页是页码减1
Integer currentPage = 0;
Integer pageSize = 5;
Sort sort = Sort.by(Sort.Direction.DESC, "id");
PageRequest pageRequest = PageRequest.of(currentPage, pageSize, sort);
Page<User> userPage = userDao.findAll(pageRequest);

Assert.assertEquals(5, userPage.getSize());
Assert.assertEquals(userDao.count(), userPage.getTotalElements());
log.debug("【id】= {}", userPage.getContent().stream().map(User::getId).collect(Collectors.toList()));
}

/**
* 初始化10条数据
*/
private void initData() {
List<User> userList = Lists.newArrayList();
for (int i = 0; i < 10; i++) {
String salt = IdUtil.fastSimpleUUID();
int index = 3 + i;
User user = User.builder().name("testSave" + index).password(SecureUtil.md5("123456" + salt)).salt(salt).email("testSave" + index + "@xkcoding.com").phoneNumber("1730000000" + index).status(1).lastLoginTime(new DateTime()).build();
userList.add(user);
}
userDao.saveAll(userList);
}

}
```

## 参考

Spring Data JPA 官方文档：https://docs.spring.io/spring-data/jpa/docs/current/reference/html/

+ 22
- 1
spring-boot-demo-orm-jpa/pom.xml View File

@@ -30,7 +30,12 @@


<dependency> <dependency>
<groupId>org.springframework.boot</groupId> <groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<artifactId>spring-boot-starter</artifactId>
</dependency>

<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency> </dependency>


<dependency> <dependency>
@@ -38,6 +43,22 @@
<artifactId>spring-boot-starter-test</artifactId> <artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope> <scope>test</scope>
</dependency> </dependency>

<dependency>
<groupId>cn.hutool</groupId>
<artifactId>hutool-all</artifactId>
</dependency>

<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
</dependency>

<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
</dependencies> </dependencies>


<build> <build>


+ 59
- 0
spring-boot-demo-orm-jpa/src/main/java/com/xkcoding/orm/jpa/config/JpaConfig.java View File

@@ -0,0 +1,59 @@
package com.xkcoding.orm.jpa.config;

import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.jdbc.DataSourceBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
import org.springframework.orm.jpa.JpaTransactionManager;
import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;

import javax.persistence.EntityManagerFactory;
import javax.sql.DataSource;

/**
* <p>
* JPA配置类
* </p>
*
* @package: com.xkcoding.orm.jpa.config
* @description: JPA配置类
* @author: yangkai.shen
* @date: Created in 2018/11/7 11:05
* @copyright: Copyright (c) 2018
* @version: V1.0
* @modified: yangkai.shen
*/
@Configuration
@EnableTransactionManagement
@EnableJpaAuditing
@EnableJpaRepositories(basePackages = "com.xkcoding.orm.jpa.repository", transactionManagerRef = "jpaTransactionManager")
public class JpaConfig {
@Bean
@ConfigurationProperties(prefix = "spring.datasource")
public DataSource dataSource() {
return DataSourceBuilder.create().build();
}

@Bean
public LocalContainerEntityManagerFactoryBean entityManagerFactory() {
HibernateJpaVendorAdapter japVendor = new HibernateJpaVendorAdapter();
japVendor.setGenerateDdl(false);
LocalContainerEntityManagerFactoryBean entityManagerFactory = new LocalContainerEntityManagerFactoryBean();
entityManagerFactory.setDataSource(dataSource());
entityManagerFactory.setJpaVendorAdapter(japVendor);
entityManagerFactory.setPackagesToScan("com.xkcoding.orm.jpa.entity");
return entityManagerFactory;
}

@Bean
public PlatformTransactionManager jpaTransactionManager(EntityManagerFactory entityManagerFactory) {
JpaTransactionManager transactionManager = new JpaTransactionManager();
transactionManager.setEntityManagerFactory(entityManagerFactory);
return transactionManager;
}
}

+ 69
- 0
spring-boot-demo-orm-jpa/src/main/java/com/xkcoding/orm/jpa/entity/User.java View File

@@ -0,0 +1,69 @@
package com.xkcoding.orm.jpa.entity;

import com.xkcoding.orm.jpa.entity.base.AbstractAuditModel;
import lombok.*;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Table;
import java.util.Date;

/**
* <p>
* 用户实体类
* </p>
*
* @package: com.xkcoding.orm.jpa.entity
* @description: 用户实体类
* @author: yangkai.shen
* @date: Created in 2018/11/7 14:06
* @copyright: Copyright (c)
* @version: V1.0
* @modified: yangkai.shen
*/
@EqualsAndHashCode(callSuper = true)
@Data
@NoArgsConstructor
@AllArgsConstructor
@Builder
@Entity
@Table(name = "orm_user")
@ToString(callSuper = true)
public class User extends AbstractAuditModel {
/**
* 用户名
*/
private String name;

/**
* 加密后的密码
*/
private String password;

/**
* 加密使用的盐
*/
private String salt;

/**
* 邮箱
*/
private String email;

/**
* 手机号码
*/
@Column(name = "phone_number")
private String phoneNumber;

/**
* 状态，-1：逻辑删除，0：禁用，1：启用
*/
private Integer status;

/**
* 上次登录时间
*/
@Column(name = "last_login_time")
private Date lastLoginTime;
}

+ 51
- 0
spring-boot-demo-orm-jpa/src/main/java/com/xkcoding/orm/jpa/entity/base/AbstractAuditModel.java View File

@@ -0,0 +1,51 @@
package com.xkcoding.orm.jpa.entity.base;

import lombok.Data;
import org.springframework.data.annotation.CreatedDate;
import org.springframework.data.annotation.LastModifiedDate;
import org.springframework.data.jpa.domain.support.AuditingEntityListener;

import javax.persistence.*;
import java.io.Serializable;
import java.util.Date;

/**
* <p>
* 实体通用父类
* </p>
*
* @package: com.xkcoding.orm.jpa.entity.base
* @description: 实体通用父类
* @author: yangkai.shen
* @date: Created in 2018/11/7 14:01
* @copyright: Copyright (c) 2018
* @version: V1.0
* @modified: yangkai.shen
*/
@MappedSuperclass
@EntityListeners(AuditingEntityListener.class)
@Data
public abstract class AbstractAuditModel implements Serializable {
/**
* 主键
*/
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;

/**
* 创建时间
*/
@Temporal(TemporalType.TIMESTAMP)
@Column(name = "create_time", nullable = false, updatable = false)
@CreatedDate
private Date createTime;

/**
* 上次更新时间
*/
@Temporal(TemporalType.TIMESTAMP)
@Column(name = "last_update_time", nullable = false)
@LastModifiedDate
private Date lastUpdateTime;
}

+ 23
- 0
spring-boot-demo-orm-jpa/src/main/java/com/xkcoding/orm/jpa/repository/UserDao.java View File

@@ -0,0 +1,23 @@
package com.xkcoding.orm.jpa.repository;

import com.xkcoding.orm.jpa.entity.User;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Repository;

/**
* <p>
* User Dao
* </p>
*
* @package: com.xkcoding.orm.jpa.repository
* @description: User Dao
* @author: yangkai.shen
* @date: Created in 2018/11/7 14:07
* @copyright: Copyright (c) 2018
* @version: V1.0
* @modified: yangkai.shen
*/
@Repository
public interface UserDao extends JpaRepository<User, Long> {
}

+ 39
- 0
spring-boot-demo-orm-jpa/src/main/resources/application.yml View File

@@ -0,0 +1,39 @@
server:
port: 8080
servlet:
context-path: /demo
spring:
datasource:
jdbc-url: jdbc:mysql://127.0.0.1:3306/spring-boot-demo?useUnicode=true&characterEncoding=UTF-8&useSSL=false&autoReconnect=true&failOverReadOnly=false&serverTimezone=GMT%2B8
username: root
password: root
driver-class-name: com.mysql.cj.jdbc.Driver
type: com.zaxxer.hikari.HikariDataSource
initialization-mode: always
continue-on-error: true
schema:
- "classpath:db/schema.sql"
data:
- "classpath:db/data.sql"
hikari:
minimum-idle: 5
connection-test-query: SELECT 1 FROM DUAL
maximum-pool-size: 20
auto-commit: true
idle-timeout: 30000
pool-name: SpringBootDemoHikariCP
max-lifetime: 60000
connection-timeout: 30000
jpa:
show-sql: true
hibernate:
ddl-auto: validate
properties:
hibernate:
dialect: org.hibernate.dialect.MySQL57InnoDBDialect
open-in-view: true
logging:
level:
com.xkcoding: debug
org.hibernate.SQL: debug
org.hibernate.type: trace

+ 130
- 0
spring-boot-demo-orm-jpa/src/test/java/com/xkcoding/orm/jpa/repository/UserDaoTest.java View File

@@ -0,0 +1,130 @@
package com.xkcoding.orm.jpa.repository;

import cn.hutool.core.date.DateTime;
import cn.hutool.core.util.IdUtil;
import cn.hutool.crypto.SecureUtil;
import com.xkcoding.orm.jpa.SpringBootDemoOrmJpaApplicationTests;
import com.xkcoding.orm.jpa.entity.User;
import lombok.extern.slf4j.Slf4j;
import org.assertj.core.util.Lists;
import org.junit.Assert;
import org.junit.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Sort;

import java.util.List;
import java.util.Optional;
import java.util.stream.Collectors;

/**
* <p>
* jpa 测试类
* </p>
*
* @package: com.xkcoding.orm.jpa.repository
* @description: jpa 测试类
* @author: yangkai.shen
* @date: Created in 2018/11/7 14:09
* @copyright: Copyright (c) 2018
* @version: V1.0
* @modified: yangkai.shen
*/
@Slf4j
public class UserDaoTest extends SpringBootDemoOrmJpaApplicationTests {
@Autowired
private UserDao userDao;

/**
* 测试保存
*/
@Test
public void testSave() {
String salt = IdUtil.fastSimpleUUID();
User testSave3 = User.builder().name("testSave3").password(SecureUtil.md5("123456" + salt)).salt(salt).email("testSave3@xkcoding.com").phoneNumber("17300000003").status(1).lastLoginTime(new DateTime()).build();
userDao.save(testSave3);

Assert.assertNotNull(testSave3.getId());
Optional<User> byId = userDao.findById(testSave3.getId());
Assert.assertTrue(byId.isPresent());
log.debug("【byId】= {}", byId.get());
}

/**
* 测试删除
*/
@Test
public void testDelete() {
long count = userDao.count();
userDao.deleteById(1L);
long left = userDao.count();
Assert.assertEquals(count - 1, left);
}

/**
* 测试修改
*/
@Test
public void testUpdate() {
userDao.findById(1L).ifPresent(user -> {
user.setName("JPA修改名字");
userDao.save(user);
});
Assert.assertEquals("JPA修改名字", userDao.findById(1L).get().getName());
}

/**
* 测试查询单个
*/
@Test
public void testQueryOne() {
Optional<User> byId = userDao.findById(1L);
Assert.assertTrue(byId.isPresent());
log.debug("【byId】= {}", byId.get());
}

/**
* 测试查询所有
*/
@Test
public void testQueryAll() {
List<User> users = userDao.findAll();
Assert.assertNotEquals(0, users.size());
log.debug("【users】= {}", users);
}

/**
* 测试分页排序查询
*/
@Test
public void testQueryPage() {
// 初始化数据
initData();
// JPA分页的时候起始页是页码减1
Integer currentPage = 0;
Integer pageSize = 5;
Sort sort = Sort.by(Sort.Direction.DESC, "id");
PageRequest pageRequest = PageRequest.of(currentPage, pageSize, sort);
Page<User> userPage = userDao.findAll(pageRequest);

Assert.assertEquals(5, userPage.getSize());
Assert.assertEquals(userDao.count(), userPage.getTotalElements());
log.debug("【id】= {}", userPage.getContent().stream().map(User::getId).collect(Collectors.toList()));
}

/**
* 初始化10条数据
*/
private void initData() {
List<User> userList = Lists.newArrayList();
for (int i = 0; i < 10; i++) {
String salt = IdUtil.fastSimpleUUID();
int index = 3 + i;
User user = User.builder().name("testSave" + index).password(SecureUtil.md5("123456" + salt)).salt(salt).email("testSave" + index + "@xkcoding.com").phoneNumber("1730000000" + index).status(1).lastLoginTime(new DateTime()).build();
userList.add(user);
}
userDao.saveAll(userList);
}

}

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