SpringCloud项⽬结构1.主项⽬pom⽗类
</modules>
<!--打包⽅式-->
<packaging>pom</packaging>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<mavenpiler.source>1.8</mavenpiler.source>
<mavenpiler.target>1.8</mavenpiler.target>
<junit.version>4.12</junit.version>
</properties>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>Greenwich.SR1</version>
<type>pom</type>
<scope>import</scope>
</dependency>
<!--  springboot-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-dependencies</artifactId>
<version>2.1.4.RELEASE</version>
<type>pom</type>
<scope>import</scope>
</dependency>
<!--数据库-->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.15</version>
</dependency>
<dependency>
<groupId&batis</groupId>
<artifactId>mybatis</artifactId>
springboot结构<version>3.5.2</version>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.1.10</version>
</dependency>
<!--  启动器-->
<dependency>
<groupId&batis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>1.3.2</version>
</dependency>
<!--  junit-->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${junit.version}</version>
</dependency>
<!--lombok-->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.16.10</version>
</dependency>
<!--  log4j-->
<!--  log4j-->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>                <artifactId>logback-core</artifactId>                <version>1.2.3</version>
</dependency>
</dependencies>
</dependencyManagement>
2.前期准备
实体类
import lombok.Data;
import lombok.NoArgsConstructor;
import java.io.Serializable;
@SuppressWarnings("all")
@Data
@NoArgsConstructor
//@Accessors(chain = true)//序列化
public class Dept implements Serializable {
private Long deptno;
private String dname;
private String db_source;
public Dept(String dname) {
this.dname = dname;
}
}
3. springcloud-provider提供者
pom代码块
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="/POM/4.0.0"
xmlns:xsi="/2001/XMLSchema-instance"
xsi:schemaLocation="/POM/4.0.0 /xsd/maven-4.0.0.xsd">    <parent>
<artifactId>springcloud</artifactId>
<groupId>com.chen</groupId>
<version>1.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>springcloud-provider-dept-8001</artifactId>
<dependencies>
<!--拿到实体类-->
<dependency>
<groupId>com.chen</groupId>
<artifactId>springcloud-api</artifactId>
<version>1.0-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-core</artifactId>
</dependency>
<dependency>
<groupId&batis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jetty</artifactId>
</dependency>
<!--热部署⼯具-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
</dependency>
</dependencies>
</project>
接⼝dao层
import org.apache.ibatis.annotations.Mapper; import org.springframework.stereotype.Repository;
import java.util.List;
@Mapper
@Repository
@SuppressWarnings("all")
public interface DeptDao {
public boolean addDept(Dept dept);
public Dept queryById(Long id);
public List<Dept> queryAll();
}
服务层service
接⼝
package com.chen.springcloud.service;
import com.chen.springcloud.pojo.Dept;
import java.util.List;
public interface DeptService {
public boolean addDept(Dept dept);
public Dept queryById(Long id);
public List<Dept> queryAll();
}
接⼝实现类
import com.chen.springcloud.pojo.Dept;
import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service;
import java.util.List;
@Service
@SuppressWarnings("all")
public class DeptServiceImpl implements DeptService {
@Autowired
private DeptDao deptDao;
@Override
public boolean addDept(Dept dept) {
return deptDao.addDept(dept);
}
@Override
public Dept queryById(Long id) {
return deptDao.queryById(id);
}
@Override
public List<Dept> queryAll() {
return deptDao.queryAll();
}
}
控制层controller
package com.ller;
import com.chen.springcloud.pojo.Dept;
import com.chen.springcloud.service.DeptService;
import org.springframework.beans.factory.annotation.Autowired; import org.springframework.web.bind.annotation.*;
import java.util.List;
@RestController
public class DeptController {
@Autowired
private DeptService deptService;
@PostMapping("/dept/add")
public boolean addDept(Dept dept) {
return deptService.addDept(dept);
}
@GetMapping("/dept/get/{id}")
public Dept queryById(@PathVariable("id") Long id) {
return deptService.queryById(id);
}
@GetMapping("/dept/list")
public List<Dept> queryAll() {
return deptService.queryAll();
}
}

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