基于Spring Boot实现学生新增。

1. 创建Spring Boot项目

创建Spring Boot项目，项目名称为case16-springboot-student01。

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2. 设置项目信息

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3. 选择依赖

• 选择Lombok

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• 选择Spring Web

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4. 设置项目名称

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5. Maven依赖

<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><parent><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-parent</artifactId><version>2.7.11</version><relativePath/> <!-- lookup parent from repository --></parent><groupId>com.wfit</groupId><artifactId>boot</artifactId><version>0.0.1-SNAPSHOT</version><name>boot</name><description>Demo project for Spring Boot</description><properties><java.version>1.8</java.version></properties><dependencies><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency><dependency><groupId>org.projectlombok</groupId><artifactId>lombok</artifactId><optional>true</optional></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId><scope>test</scope></dependency></dependencies><build><plugins><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId><configuration><excludes><exclude><groupId>org.projectlombok</groupId><artifactId>lombok</artifactId></exclude></excludes></configuration></plugin></plugins></build></project>

6. 创建配置文件

resources目录下创建application.yml。

# 配置端口号
server:port: 8090

7. 创建Student实体类

com.wfit.boot.model目录下创建Student.java。

@Data
public class Student {//主键idprivate String id;//姓名private String name;//年龄private int age;
}

8. 创建StudentController类

com.wfit.boot.controller目录下创建StudentController.java。

@RestController
@RequestMapping("/student")
public class StudentController {@AutowiredStudentService studentService;/*** 新增学生信息*/@PostMapping("/add")public String add(@RequestBody Student student){studentService.addStudent(student);return "success";}
}

9. 创建StudentService接口

com.wfit.boot.service目录下创建StudentService.java。

public interface StudentService {public int addStudent(Student student);
}

10. 创建StudentServiceImpl类

com.wfit.boot.service.impl目录下创建StudentServiceImpl.java。

@Service
public class StudentServiceImpl implements StudentService {@Autowiredprivate StudentDao studentDao;@Overridepublic void addStudent(Student student) {studentDao.save(student);}
}

11. 创建StudentDao类

com.wfit.boot.dao目录下创建StudentDao.java。

@Repository
public class StudentDao {public void save(Student student){System.out.println("新增学生信息成功：" + student);}}

12. 案例测试