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【Spring Cloud】00

2025-07-24 06:34:28
【Spring Cloud】00 一、服务提供者1、创建一个普通的Maven项目作为父项目,删除src文件夹,并导入坐标代码语言:javascript代码运行次数:0运行复制<?xml version="1.0" encoding="UTF-8"?> <project xmlns=".0.0" xml

【Spring Cloud】00

一、服务提供者

1、创建一个普通的Maven项目作为父项目,删除src文件夹,并导入坐标

代码语言:javascript代码运行次数:0运行复制
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns=".0.0"
         xmlns:xsi=";
         xsi:schemaLocation=".0.0 .0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId></groupId>
    <artifactId>springcloud</artifactId>
    <version>1.0-SAPSHOT</version>
    <!--打包方式-->
    <packaging>pom</packaging>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <mavenpiler.source>1.8</mavenpiler.source>
        <>1.8</>
        <junit.version>4.1</junit.version>
        <lombok.version>41.18.12</lombok.version>
    </properties>

    <dependencyManagement>
        <dependencies>
            <!--spring cloud依赖-->
            <!-- ./spring-cloud-dependencies -->
            <dependency>
                <groupId>org.</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>Hoxton.SR8</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
            <!--spring boot依赖-->
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-dependencies</artifactId>
                <version>2..4.RELEASE</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
            <!--数据库-->
            <dependency>
                <groupId>mysql</groupId>
                <artifactId>mysql-connector-java</artifactId>
                <version>8.0.21</version>
            </dependency>
            <dependency>
                <groupId>com.alibaba</groupId>
                <artifactId>druid</artifactId>
                <version>1.1.2</version>
            </dependency>
            <!--spring boot 启动器-->
            <dependency>
                <groupId>spring.boot</groupId>
                <artifactId>mybatis-spring-boot-starter</artifactId>
                <version>2.1.</version>
            </dependency>
            <!--junit-->
            <dependency>
                <groupId>junit</groupId>
                <artifactId>junit</artifactId>
                <version>${junit.version}</version>
                <scope>test</scope>
            </dependency>
            <!--lombok-->
            <dependency>
                <groupId>org.projectlombok</groupId>
                <artifactId>lombok</artifactId>
                <version>${lombok.version}</version>
            </dependency>
            <!--lof4j-->
            <dependency>
                <groupId>log4j</groupId>
                <artifactId>log4j</artifactId>
                <version>1.2.17</version>
            </dependency>
            <!--logback-->
            <dependency>
                <groupId>ch.qos.logback</groupId>
                <artifactId>logback-core</artifactId>
                <version>1.2.</version>
            </dependency>
        </dependencies>
    </dependencyManagement>
</project>

2、创建一个新模块springcloud-api

(普通Maven项目模块)

、创建一个数据库

(avicat)

创建:
表结构:
数据:
代码语言:javascript代码运行次数:0运行复制
insert into dept (dname, db_source) VALUES ('开发部',DATABASE());
insert into dept (dname, db_source) VALUES ('人事部',DATABASE());
insert into dept (dname, db_source) VALUES ('财务部',DATABASE());
insert into dept (dname, db_source) VALUES ('市场部',DATABASE());
insert into dept (dname, db_source) VALUES ('运维部',DATABASE());
实体类:
代码语言:javascript代码运行次数:0运行复制
package com.zibo.springcloud.pojo;

import lombok.AllArgsCtructor;
import lombok.Data;
import ;
import Accessors;

import java.io.Serializable;

@Data
@oArgsCtructor
@Accessors(chain = true) //支持链式写法
public class Dept implements Serializable { //Dept实体类对应dept表 类表关系映射
    private Long deptno;//编号、主键
    private String dname;

    //这条数据存在于哪个数据库,微服务,一个服务对应一个数据库
    private String db_source;

    public Dept(String dname) {
        this.dname = dname;
    }

    /*
     Dept dept = new Dept();
     普通写法:
     dept.setDepto(11);
     dept.setDeptame("訾博");
     链式写法:
     dept.setDepto(11).setDeptame("訾博");
     */
}

、再创建一个新模块springcloud-provider-dept-8001

导入依赖到pom.xml:
代码语言:javascript代码运行次数:0运行复制
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns=".0.0"
         xmlns:xsi=";
         xsi:schemaLocation=".0.0 .0.0.xsd">
    <parent>
        <artifactId>springcloud</artifactId>
        <groupId>com.zibo</groupId>
        <version>1.0-SAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>springcloud-provider-dept-8001</artifactId>
    <dependencies>
        <!--我们需要拿到实体类,所以需要配置api module-->
        <dependency>
            <groupId>com.zibo</groupId>
            <artifactId>springcloud-api</artifactId>
            <version>1.0-SAPSHOT</version>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <scope>test</scope>
        </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>spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-test</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <!--jetty-->
        <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>
配置文件application.yaml:
代码语言:javascript代码运行次数:0运行复制
server:
  port: 8001

# mybatis配置
mybatis:
  type-aliases-package: com.zibo.springcloud.pojo
  config-location: classpath:mybatis/mybatis-config.xml
  mapper-locati: classpath:mybatis/mapper/*.xml

# spring配置
spring:
  application:
    name: springcloud-provider-dept
  datasource:
    type: com.alibaba.druid.pool.DruidDataSource #数据源
    driver-class-name: jdbc.Driver
    url: jdbc:mysql://localhost:06/zb1?serverTimezone=UTC
    username: root
    password: zibo1529417242
配置文件mybatis-confid.xml:
代码语言:javascript代码运行次数:0运行复制
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
        PUBLIC "-//mybatis//DTD Config .0//E"
        ".dtd">
<!--MyBatis的主配置文件-->
<configuration>
    <settings>
        <!--开启二级缓存-->
        <setting name="cacheEnabled" value="true"/>
    </settings>
</configuration>
创建Dao接口:
代码语言:javascript代码运行次数:0运行复制
package com.zibo.springcloud.dao;

import com.zibo.springcloud.pojo.Dept;
import org.apache.ibatis.annotati.Mapper;
import org.springframework.stereotype.Repository;

import java.util.List;

@Mapper
@Repository
public interface DeptDao {

    public boolean addDept(Dept dept);

    public Dept queryById(int deptno);

    public List<Dept> queryAll();

}
创建Dao接口的映射配置DeptDao.xml:
代码语言:javascript代码运行次数:0运行复制
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
        PUBLIC "-//mybatis//DTD Mapper .0//E"
        ".dtd">
<mapper namespace="com.zibo.springcloud.dao.DeptDao">
    <insert id="addDept" parameterType="Dept">
        insert into dept (dname, db_source) VALUES (#{dname},DATABASE())
    </insert>

    <select id="queryById" parameterType="long" resultType="Dept">
        select * from dept where deptno = #{deptno};
    </select>

    <select id="queryAll" resultType="Dept">
        select * from dept;
    </select>
</mapper>
DeptService接口:
代码语言:javascript代码运行次数:0运行复制
package com.zibo.springcloud.service;

import com.zibo.springcloud.pojo.Dept;

import java.util.List;

public interface DeptService {
    public boolean addDept(Dept dept);

    public Dept queryById(int deptno);

    public List<Dept> queryAll();
}
DeptService接口实现类:
代码语言:javascript代码运行次数:0运行复制
package com.zibo.springcloud.service;

import com.zibo.springcloud.dao.DeptDao;
import com.zibo.springcloud.pojo.Dept;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

@Service
public class DeptServiceImpl implements DeptService {

    @Autowired
    private DeptDao deptDao;

    @Override
    public boolean addDept(Dept dept) {
        return deptDao.addDept(dept);
    }

    @Override
    public Dept queryById(int deptno) {
        return deptDao.queryById(deptno);
    }

    @Override
    public List<Dept> queryAll() {
        return deptDao.queryAll();
    }
}
DeptController类:
代码语言:javascript代码运行次数:0运行复制
package com.zibo.;

import com.zibo.springcloud.pojo.Dept;
import com.zibo.springcloud.service.DeptService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.List;

//提供Restful服务!
@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 get(@PathVariable("id") long id){
        return deptService.queryById(id);
    }

    @GetMapping("/dept/get")
    public List<Dept> addDept(){
        return deptService.queryAll();
    }

}
编写启动类:
代码语言:javascript代码运行次数:0运行复制
package com.zibo.springcloud;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

//启动类
@SpringBootApplication
public class DeptProvider_8001 {
    public static void main(String[] args) {
        SpringApplication.run(DeptProvider_,args);
    }
}
测试结果:
二、服务消费者

1、创建一个新模块springcloud-cumer-dept-80

导入依赖坐标到pom.xml:
代码语言:javascript代码运行次数:0运行复制
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns=".0.0"
         xmlns:xsi=";
         xsi:schemaLocation=".0.0 .0.0.xsd">
    <parent>
        <artifactId>springcloud</artifactId>
        <groupId>com.zibo</groupId>
        <version>1.0-SAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>springcloud-cumer-dept-80</artifactId>
    <!--实体类 + web-->
    <dependencies>
        <dependency>
            <groupId>com.zibo</groupId>
            <artifactId>springcloud-api</artifactId>
            <version>1.0-SAPSHOT</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <!--热部署工具-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
        </dependency>
    </dependencies>

</project>
配置文件application.yaml:
代码语言:javascript代码运行次数:0运行复制
server:
  port: 80
ConfigBean:
代码语言:javascript代码运行次数:0运行复制
package com.zibo.;

import org.annotation.Bean;
import org.annotation.Configuration;
import org.springframework.RestTemplate;

@Configuration
public class ConfigBean {

    @Bean
    public RestTemplate getRestTemplate(){
        return new RestTemplate();
    }

}
CumerDeptController:
代码语言:javascript代码运行次数:0运行复制
package com.zibo.;

import com.zibo.springcloud.pojo.Dept;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.RestTemplate;

import java.util.List;

@RestController
public class CumerDeptController {

    //理解:消费者,不应该有service层
    //RestTemplate 供我们直接调用就可以了!注册到Spring中
    //参数:(url,实体:Map,class<T> respeType,)
    @Autowired
    private RestTemplate restTemplate;//提供多种便捷访问远程http服务的方法,简单的Restful服务模板

    private static final String REST_URL_PRE = "http://localhost:8001";

    //http://localhost:8001/dept/get/1
    @RequestMapping("/cumer/dept/get/{id}")
    public Dept getById(@PathVariable("id") long  id){
        return restTemplate.getForObject(REST_URL_PRE + "/dept/get/" + id,);
    }

    @RequestMapping("/cumer/dept/add")
    public boolean add(Dept dept){
        return restTemplate.postForObject(REST_URL_PRE + "/dept/add",dept,);
    }

    @RequestMapping("/cumer/dept/get")
    public List<Dept> get(){
        return restTemplate.getForObject(REST_URL_PRE + "/dept/get",);
    }

}
编写启动类:
代码语言:javascript代码运行次数:0运行复制
package com.zibo.springcloud;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class DeptCumer_80 {
    public static void main(String[] args) {
        SpringApplication.run(DeptCumer_,args);
    }
}
测试结果:
注意:

必须县启动服务提供者,才能使用服务消费者!

本文参与 腾讯云自媒体同步曝光计划,分享自作者个人站点/博客。 原始发表:2025-01-06,如有侵权请联系 cloudcommunity@tencent 删除springcloudrest服务环境搭建

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classpath
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删除src文件夹
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application
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class<T> respeType
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如有侵权请联系 cloudcommunity@tencent 删除前往查看springcloudrest服务环境搭建
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db_source) VALUES ('运维部'
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xsi="; xsi
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args); } }测试结果:二
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dept
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schemaLocation=".0.0 .0.0.xsd"> <parent> <artifactId>springcloud</artifactId> <groupId>com.zibo</groupId> <version>1.0-SAPSHOT</version> </parent> <modelVersion>4.0.0</modelVersion> <artifactId>springcloud-provider-dept-8001</artifactId> <dependencies> <!--我们需要拿到实体类
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DATABASE()); insert into dept (dname
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); } }编写启动类:代码语言:javascript代码运行次数:0运行复制package com.zibo.springcloud; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; @SpringBootApplication public class DeptCumer_80 { public static void main(String[] args) { SpringApplication.run(DeptCumer_
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class<T> respeType
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