第12课、创建子类模块客户端

创建子模块的（铁打不动的）过程：

1 创建module；2修改pom文件；3 编写yml；4 编写主启动类；5编写业务代码；6测试；

1 创建module；

2修改pom文件；

<code>
<project>         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">
    <parent>
        <artifactid>parentcloud/<artifactid>
        <groupid>com.znrt.springcloud/<groupid>
        <version>1.0-SNAPSHOT/<version>
    /<parent>
    <modelversion>4.0.0/<modelversion>

    <artifactid>cloud-client01/<artifactid>
    <dependencies>
        
        <dependency>
            <groupid>org.springframework.boot/<groupid>
            <artifactid>spring-boot-starter-web/<artifactid>
        /<dependency>
        
        <dependency>
            <groupid>org.springframework.boot/<groupid>
            <artifactid>spring-boot-starter-actuator/<artifactid>
        /<dependency>
        
        <dependency>
            <groupid>org.springframework.boot/<groupid>
            <artifactid>spring-boot-devtools/<artifactid>
            <scope>runtime/<scope>
            <optional>true/<optional>
        /<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>

/<project>/<code>

3 编写yml；

<code>server:
  port: 80/<code>

4 编写主启动类；

包名建议和服务模块一致 com.znrt.springcloud

<code>@SpringBootApplication
public class CloudClient01 {
    public static void main(String[] args) {
        SpringApplication.run(CloudClient01.class,args);
    }
}/<code>

5编写业务代码；

5.1复制pojo

5.2创建配置类 在加载boot模块的时候能初始化RestTemplate

<code>/**
 * @Author s.wong
 * @Create 2020-04-06-13:03
 * @Description 客户端配置类
 */
@Configuration
public class ApplicationContextConfig {
    @Bean 

    public RestTemplate getRestTemplate(){
        return new RestTemplate();
    }
}/<code>

5.3编写controller代码,由于客户端只是负责调用，所以没有servic和dao层

<code>/**
 * @Author s.wong
 * @Create 2020-04-06-12:50
 * @Description 客户端模块 的controller类
 */
@RestController
@Slf4j
public class ClientController {

    public static final String URL_PREFIX = "http://localhost:8001/";

    @Resource
    private RestTemplate restTemplate;

    @GetMapping("/client/create")
    public CommonResult create(Payment payment){
        return restTemplate.postForObject(URL_PREFIX+"/payment/create/",payment,CommonResult.class);
    }

    @GetMapping("/client/get/{id}")
    public CommonResult getPaymentById(@PathVariable("id") Long id){
        return restTemplate.getForObject(URL_PREFIX+"/payment/get/"+id,CommonResult.class);
    }

}/<code>

<code>//服务端controller 代码修改 
@PostMapping("/payment/create")
    public CommonResult create(@RequestBody Payment payment){
        int i = paymentService.create(payment);
        log.info("create 方法的执行结果是："+i);
        log.info("测试热部署");
        log.info("测试热部署2222");
        if(i>0){
            return new CommonResult(200,"执行成功",i);
        }else{
            return new CommonResult(401,"添加方法执行失败"); 

        }
    }/<code>

6测试；

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