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restTemplate的使用?

https://docs.spring.io/spring-framework/docs/5.2.2.RELEASE/javadoc-api/org/springframework/web/client/RestTemplate.html

?

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pom.xml

<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd"><parent><artifactId>dym_cloud2021</artifactId><groupId>com.atguigu.springcloud</groupId><version>1.0-SNAPSHOT</version></parent><modelVersion>4.0.0</modelVersion><artifactId>cloud-consumer-order80</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>

application.yml

server:port: 80

OrderMain80.java

package com.dym.springcloud;import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication;@SpringBootApplication public class OrderMain80 {public static void main(String[] args) {SpringApplication.run(OrderMain80.class,args);} }

Payment.java

package com.dym.springcloud.entities;import lombok.AllArgsConstructor; import lombok.Data; import lombok.NoArgsConstructor;import java.io.Serializable;@Data @AllArgsConstructor @NoArgsConstructor public class Payment implements Serializable {private Long id;private String serial; }

CommonResult.java

package com.dym.springcloud.entities;import lombok.AllArgsConstructor; import lombok.Data; import lombok.NoArgsConstructor;@Data @AllArgsConstructor @NoArgsConstructor public class CommonResult<T> {private Integer code;private String message;private T data;public CommonResult(Integer code, String message) {this(code,message,null);} }

ApplicationContextConfig.java

package com.dym.springcloud.config;import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.web.client.RestTemplate;@Configuration public class ApplicationContextConfig {@Beanpublic RestTemplate getRestTemplate(){return new RestTemplate();} }

OrderController.java

package com.dym.springcloud.controller;import com.dym.springcloud.entities.CommonResult; import com.dym.springcloud.entities.Payment; import lombok.extern.slf4j.Slf4j; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RestController; import org.springframework.web.client.RestTemplate;import javax.annotation.Resource;@RestController @Slf4j public class OrderController {public static final String PAYMENT_URL="http://localhost:8001";@Resourceprivate RestTemplate restTemplate;@GetMapping("/consumer/payment/create")public CommonResult<Payment> create(Payment payment){return restTemplate.postForObject(PAYMENT_URL+"/payment/create",payment,CommonResult.class);}@GetMapping("/consumer/payment/get/{id}")public CommonResult<Payment> getPayment(@PathVariable("id") Long id){return restTemplate.getForObject(PAYMENT_URL+"/payment/get/"+id,CommonResult.class);} }

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造成這樣的結(jié)果是為什末呢？？

總結(jié)

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