diff --git a/Chapter3-2-2/pom.xml b/Chapter3-2-2/pom.xml new file mode 100755 index 0000000..cdb4d43 --- /dev/null +++ b/Chapter3-2-2/pom.xml @@ -0,0 +1,61 @@ + + + 4.0.0 + + com.didispace + demo + 1.0.0 + jar + + demo + Spring Boot project + + + org.springframework.boot + spring-boot-starter-parent + 1.3.2.RELEASE + + + + + UTF-8 + 1.8 + + + + + org.springframework.boot + spring-boot-starter + + + + org.springframework.boot + spring-boot-starter-test + test + + + + mysql + mysql-connector-java + 5.1.21 + + + + org.springframework.boot + spring-boot-starter-data-jpa + + + + + + + + org.springframework.boot + spring-boot-maven-plugin + + + + + + diff --git a/Chapter3-2-2/src/main/java/com/didispace/Application.java b/Chapter3-2-2/src/main/java/com/didispace/Application.java new file mode 100755 index 0000000..2a14b75 --- /dev/null +++ b/Chapter3-2-2/src/main/java/com/didispace/Application.java @@ -0,0 +1,13 @@ +package com.didispace; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; + +@SpringBootApplication +public class Application { + + public static void main(String[] args) { + SpringApplication.run(Application.class, args); + } + +} diff --git a/Chapter3-2-2/src/main/java/com/didispace/domain/User.java b/Chapter3-2-2/src/main/java/com/didispace/domain/User.java new file mode 100644 index 0000000..6afe696 --- /dev/null +++ b/Chapter3-2-2/src/main/java/com/didispace/domain/User.java @@ -0,0 +1,58 @@ +package com.didispace.domain; + +import javax.persistence.Column; +import javax.persistence.Entity; +import javax.persistence.GeneratedValue; +import javax.persistence.Id; + +/** + * @author 程序猿DD + * @version 1.0.0 + * @date 16/3/21 下午3:35. + * @blog http://blog.didispace.com + */ +@Entity +public class User { + + @Id + @GeneratedValue + private Long id; + + @Column(nullable = false) + private String name; + + @Column(nullable = false) + 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; + } + +} diff --git a/Chapter3-2-2/src/main/java/com/didispace/domain/UserRepository.java b/Chapter3-2-2/src/main/java/com/didispace/domain/UserRepository.java new file mode 100644 index 0000000..6bc9442 --- /dev/null +++ b/Chapter3-2-2/src/main/java/com/didispace/domain/UserRepository.java @@ -0,0 +1,24 @@ +package com.didispace.domain; + +import org.springframework.data.jpa.repository.JpaRepository; +import org.springframework.data.jpa.repository.Query; +import org.springframework.data.repository.query.Param; + + +/** + * @author 程序猿DD + * @version 1.0.0 + * @date 16/3/23 下午2:34. + * @blog http://blog.didispace.com + */ +public interface UserRepository extends JpaRepository { + + User findByName(String name); + + User findByNameAndAge(String name, Integer age); + + @Query("from User u where u.name=:name") + User findUser(@Param("name") String name); + + +} diff --git a/Chapter3-2-2/src/main/resources/application.properties b/Chapter3-2-2/src/main/resources/application.properties new file mode 100755 index 0000000..2df621d --- /dev/null +++ b/Chapter3-2-2/src/main/resources/application.properties @@ -0,0 +1,6 @@ +spring.datasource.url=jdbc:mysql://localhost:3306/test +spring.datasource.username=root +spring.datasource.password=root +spring.datasource.driver-class-name=com.mysql.jdbc.Driver + +spring.jpa.properties.hibernate.hbm2ddl.auto=create-drop \ No newline at end of file diff --git a/Chapter3-2-2/src/test/java/com/didispace/ApplicationTests.java b/Chapter3-2-2/src/test/java/com/didispace/ApplicationTests.java new file mode 100755 index 0000000..19a04b7 --- /dev/null +++ b/Chapter3-2-2/src/test/java/com/didispace/ApplicationTests.java @@ -0,0 +1,59 @@ +package com.didispace; + +import com.didispace.domain.User; +import com.didispace.domain.UserRepository; +import org.junit.Assert; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.boot.test.SpringApplicationConfiguration; +import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; + + +@RunWith(SpringJUnit4ClassRunner.class) +@SpringApplicationConfiguration(Application.class) +public class ApplicationTests { + + @Autowired + private UserRepository userRepository; + + @Test + public void test() throws Exception { + + // 创建10条记录 + userRepository.save(new User("AAA", 10)); + userRepository.save(new User("BBB", 20)); + userRepository.save(new User("CCC", 30)); + userRepository.save(new User("DDD", 40)); + userRepository.save(new User("EEE", 50)); + userRepository.save(new User("FFF", 60)); + userRepository.save(new User("GGG", 70)); + userRepository.save(new User("HHH", 80)); + userRepository.save(new User("III", 90)); + userRepository.save(new User("JJJ", 100)); + + // 测试findAll, 查询所有记录 + Assert.assertEquals(10, userRepository.findAll().size()); + + // 测试findByName, 查询姓名为FFF的User + Assert.assertEquals(60, userRepository.findByName("FFF").getAge().longValue()); + + // 测试findUser, 查询姓名为FFF的User + Assert.assertEquals(60, userRepository.findUser("FFF").getAge().longValue()); + + // 测试findByNameAndAge, 查询姓名为FFF并且年龄为60的User + Assert.assertEquals("FFF", userRepository.findByNameAndAge("FFF", 60).getName()); + + // 测试删除姓名为AAA的User + userRepository.delete(userRepository.findByName("AAA")); + + // 测试findAll, 查询所有记录, 验证上面的删除是否成功 + Assert.assertEquals(9, userRepository.findAll().size()); + + + + + } + + +}