?

?4.3 修改pom添加依賴(lài)

 <dependencies>
        <!--web-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <!--監(jiān)控-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>

        <!--熱部署-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <scope>runtime</scope>
            <optional>true</optional>
        </dependency>

        <!--lombok-->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>

        <!--測(cè)試-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
        </dependency>

    </dependencies>

?4.4編寫(xiě)yml文件

server:
  port: 80

spring:
  application:
    name:springcloud-consumer-order-service

4.5編寫(xiě)啟動(dòng)類(lèi)

@SpringBootApplication
public class OrderApplication {
    public static void main(String[] args) {
        SpringApplication.run(OrderApplication.class,args);
    }
}

4.6建立實(shí)體

package cn.bdqn.domain;

import java.io.Serializable;

public class Payment implements Serializable {
    private Integer id;
    private String  flowNumber;

    public void setId(Integer id) {
        this.id = id;
    }

    public void setFlowNumber(String flowNumber) {
        this.flowNumber = flowNumber;
    }

    public Integer getId() {
        return id;
    }

    public String getFlowNumber() {
        return flowNumber;
    }
}

4.7編寫(xiě)響應(yīng)結(jié)果的Bean

package cn.bdqn.bean;

public class ResponseResult <T> {
    //響應(yīng)的編碼
    private Integer code;
    
    //響應(yīng)給前段用戶(hù)的消息提示
    private String message;
    //響應(yīng)的數(shù)據(jù)
    private T data;

    public ResponseResult() {
    }

    public ResponseResult(Integer code, String message, T data) {
        this.code = code;
        this.message = message;
        this.data = data;
    }

    public Integer getCode() {
        return code;
    }

    public String getMessage() {
        return message;
    }

    public T getData() {
        return data;
    }

    public void setCode(Integer code) {
        this.code = code;
    }

    public void setMessage(String message) {
        this.message = message;
    }

    public void setData(T data) {
        this.data = data;
    }
}

?

?

?4.8 RestTemplate注冊(cè)到spring

@Configuration
public class ApplicationContextConfig {

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

4.9編寫(xiě)OrderApplication控制器

public class OrderController {

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

    @Autowired
    private RestTemplate restTemplate;

    //根據(jù)id查詢(xún)
    @GetMapping("/consumer/payment/get/{id}")
    public ResponseResult queryById(@PathVariable("id") Integer id){
            ResponseResult rs =restTemplate.getForObject(PAYMENT_URL+"/payment/id"+id,ResponseResult.class);
            return rs;
    }
    //創(chuàng)建訂單
    @GetMapping("/consumer/payment/save")
    public ResponseResult save(Payment payment){
        ResponseResult rs =restTemplate.postForObject(PAYMENT_URL+"/payment/save", payment,ResponseResult.class);
        return  rs;
    }

1. 4.11問(wèn)題

2. 
3. 因?yàn)?img src="https://imgs.yssmx.com/Uploads/2023/07/610028-12.png" alt="三，創(chuàng)建訂單微服務(wù)消費(fèi)者 第三章,微服務(wù),架構(gòu),云原生" referrerpolicy="no-referrer" />

?支付提供者端的代碼如下

  @PostMapping("/payment/save")
  public ResponseResult save(@RequestBody Payment payment){
      try {
          paymentService.save(payment);
          return new ResponseResult(200,"成功",null);
      }catch (Exception e){
          e.printStackTrace();
          return new ResponseResult(500,"失敗",null);
      }
  }

?

?

?

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