聲明：本案例學習http://blog.csdn.net/je_ge，在此感謝je_ge提供的學習用的資料

1、項目結構

2、pom.xml的內容

<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><groupId>com.jege.spring.boot</groupId><artifactId>spring-boot-jdbc</artifactId><version>1.0.0.RELEASE</version><packaging>jar</packaging><name>spring-boot-jdbc</name><url>http://blog.csdn.net/je_ge</url><developers><developer><id>je_ge</id><name>je_ge</name><email>1272434821@qq.com</email><url>http://blog.csdn.net/je_ge</url><timezone>8</timezone></developer></developers><!-- 公共spring-boot配置，下面依賴jar文件不用在寫版本號 --><parent><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-parent</artifactId><version>1.4.1.RELEASE</version><relativePath /></parent><properties><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding><java.version>1.8</java.version></properties><dependencies><!-- 持久層 --><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-jdbc</artifactId></dependency><!-- h2內存數據庫 --><dependency><groupId>com.h2database</groupId><artifactId>h2</artifactId><scope>runtime</scope></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId><scope>test</scope></dependency></dependencies><build><finalName>spring-boot-jdbc</finalName><plugins><plugin><groupId>org.apache.maven.plugins</groupId><artifactId>maven-compiler-plugin</artifactId><configuration><source>${java.version}</source><target>${java.version}</target></configuration></plugin></plugins></build> </project>

3、User的內容

package com.jege.spring.boot.jdbc.entity;/*** @author JE哥* @email 1272434821@qq.com* @description:模型對象*/ public class User {private Long id;private String name;private Integer age;public User() {}public User(String name, Integer age) {this.name = name;this.age = age;}public Long getId() {return id;}public void setId(Long id) {this.id = id;}public String getName() {return name;}public void setName(String name) {this.name = name;}public Integer getAge() {return age;}public void setAge(Integer age) {this.age = age;}}

4、IUserDao的內容

package com.jege.spring.boot.jdbc.dao;import java.util.List;import com.jege.spring.boot.jdbc.entity.User;/*** @author JE哥* @email 1272434821@qq.com* @description:持久層接口，由spring自動生成其實現*/ public interface IUserDao {void dropTable();void createTable();void save(User user);List<User> findAll();void deleteAll();List<User> findByNameLike(String name);}

5、UserDaoImpl的內容

package com.jege.spring.boot.jdbc.dao.impl;import java.util.List;import org.springframework.beans.factory.annotation.Autowired; import org.springframework.jdbc.core.BeanPropertyRowMapper; import org.springframework.jdbc.core.JdbcTemplate; import org.springframework.stereotype.Repository;import com.jege.spring.boot.jdbc.dao.IUserDao; import com.jege.spring.boot.jdbc.entity.User;/*** @author JE哥* @email 1272434821@qq.com* @description:jdbc CRUD*/ @Repository public class UserDaoImpl implements IUserDao {@AutowiredJdbcTemplate jdbcTemplate;@Overridepublic void dropTable() {jdbcTemplate.update("drop table t_user if exists");}@Overridepublic void createTable() {jdbcTemplate.update("create table t_user (" +"id bigint generated by default as identity, " +"age integer, " +"name varchar(255), " +"primary key (id))");}@Overridepublic void save(User user) {jdbcTemplate.update("insert into t_user(name,age) values(?,?)", user.getName(), user.getAge());}@Overridepublic List<User> findAll() {return jdbcTemplate.query("select id,name,age from t_user", BeanPropertyRowMapper.newInstance(User.class));}@Overridepublic void deleteAll() {jdbcTemplate.update("delete from t_user");}@Overridepublic List<User> findByNameLike(String name) {return jdbcTemplate.query("select id,name,age from t_user where name like ?", new Object[] { name },BeanPropertyRowMapper.newInstance(User.class));}}

6、Application的內容

package com.jege.spring.boot;import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication;/*** @author JE哥* @email 1272434821@qq.com* @description:spring boot 啟動類*/@SpringBootApplication public class Application {public static void main(String[] args) {SpringApplication.run(Application.class, args);}}

7、UserDaoTest的內容

package com.jege.spring.boot.data.jpa;import static org.assertj.core.api.Assertions.assertThat;import org.junit.After; import org.junit.Before; import org.junit.Test; import org.junit.runner.RunWith; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.boot.test.context.SpringBootTest; import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;import com.jege.spring.boot.jdbc.dao.IUserDao; import com.jege.spring.boot.jdbc.entity.User;/*** @author JE哥* @email 1272434821@qq.com* @description:*/ @RunWith(SpringJUnit4ClassRunner.class) @SpringBootTest() public class UserDaoTest {@AutowiredIUserDao userDao;// 每次執行Test之前先刪除表，創建表@Beforepublic void before() throws Exception {userDao.dropTable();userDao.createTable();}@Testpublic void save() throws Exception {for (int i = 0; i < 10; i++) {User user = new User("jege" + i, 25 + i);userDao.save(user);}}@Testpublic void all() throws Exception {save();assertThat(userDao.findAll()).hasSize(10);}@Testpublic void findByName() throws Exception {save();assertThat(userDao.findByNameLike("jege%")).hasSize(10);}@Afterpublic void destroy() throws Exception {userDao.deleteAll();}}

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