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RestTemplate 文档中的 Spring 有注释:

从 5.0 开始,类 org.springframework.web.client.RestTemplate 处于维护模式,只有较小的更改请求和错误被接受。请考虑使用 org.springframework.web.reactive.client.WebClient,它具有更现代的 API 并支持同步、异步和流式处理方案

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

当我尝试使用 Open Api 代码生成器将 RestTemplate 替换为 WebClient 时,我无法进行同步调用。

pom.xml 代码

<plugin>
    <groupId>org.openapitools</groupId>
    <artifactId>openapi-generator-maven-plugin</artifactId>
    <version>${openapi-tool-version}</version>
    <executions>
        <execution>
            <id>Games</id>
            <goals>
                <goal>generate</goal>
            </goals>
            <configuration>
                <generatorName>java</generatorName>
                <library>webclient</library>
               <inputSpec>${project.basedir}/spec/games.yaml</inputSpec>
                <configOptions>
                    <configPackage>com.tintin.config</configPackage>
                    <apiPackage>com.tintin.api</apiPackage>
                    <modelPackage>com.tintin.model</modelPackage>
                    <invokerPackage>com.tintin.service</invokerPackage>
                    <sourceFolder>src/main/java</sourceFolder>
                    <dateLibrary>java8</dateLibrary>
                </configOptions>
                <generateModelTests>false</generateModelTests>
                <generateApiTests>false</generateApiTests>
            </configuration>
        </execution>
    </executions>
</plugin>

默认情况下,webclient 进行异步调用并将响应包装在 Mono<> 中。

public <T> Mono<T> invokeAPI(String path, HttpMethod method, Map<String, Object> pathParams, MultiValueMap<String, String> queryParams, Object body, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams, MultiValueMap<String, Object> formParams, List<MediaType> accept, MediaType contentType, String[] authNames, ParameterizedTypeReference<T> returnType) throws RestClientException {
    final WebClient.RequestBodySpec requestBuilder = prepareRequest(path, method, pathParams, queryParams, body, headerParams, cookieParams, formParams, accept, contentType, authNames);
    return requestBuilder.retrieve().bodyToMono(returnType);
}

预期输出(类似于 resttemplate)

public <T> ResponseEntity<T> invokeAPI(String path, HttpMethod method, Map<String, Object> pathParams, MultiValueMap<String, String> queryParams, Object body, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams, MultiValueMap<String, Object> formParams, List<MediaType> accept, MediaType contentType, String[] authNames, ParameterizedTypeReference<T> returnType) throws RestClientException {
    final WebClient.RequestBodySpec requestBuilder = prepareRequest(path, method, pathParams, queryParams, body, headerParams, cookieParams, formParams, accept, contentType, authNames);
    return requestBuilder.retrieve().bodyToMono(returnType).block();
}

如何使用开放的 api 代码生成器将 Resttemplate 替换为 Webclient 而不对当前代码进行任何重大更改

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