Google Cloud Healthcare API 的 HttpBody
类是用于处理 HTTP 请求和响应体的一个类。它允许你在请求中发送和接收复杂的数据结构,如 JSON 或 Protobuf。以下是如何使用 HttpBody
类的一些基础概念和相关信息。
HttpBody
类通常用于构建 HTTP 请求的正文部分,它可以包含以下几种类型的数据:
HttpBody
可以包含以下几种类型的数据:
CONTENT_TYPE_UNSPECIFIED
JSON
PROTOBUF
ANY
HttpBody
来处理这些需求。HttpBody
可以用来发送和接收复杂的数据结构。以下是一个使用 HttpBody
发送 JSON 数据的简单示例:
import com.google.api.client.http.GenericUrl;
import com.google.api.client.http.HttpContent;
import com.google.api.client.http.HttpHeaders;
import com.google.api.client.http.HttpRequest;
import com.google.api.client.http.HttpRequestFactory;
import com.google.api.client.http.HttpResponse;
import com.google.api.client.http.HttpTransport;
import com.google.api.client.json.JsonFactory;
import com.google.api.client.json.jackson2.JacksonFactory;
import com.google.api.services.healthcare.v1.CloudHealthcare;
import com.google.api.services.healthcare.v1.model.HttpBody;
public class HealthcareApiExample {
public static void main(String[] args) throws Exception {
HttpTransport httpTransport = new com.google.api.client.http.javanet.NetHttpTransport();
JsonFactory jsonFactory = JacksonFactory.getDefaultInstance();
CloudHealthcare service = new CloudHealthcare.Builder(httpTransport, jsonFactory, null)
.setApplicationName("your-application-name")
.build();
HttpBody requestBody = new HttpBody();
requestBody.setContentType("application/json");
requestBody.setData("{\"key\":\"value\"}");
GenericUrl url = new GenericUrl("https://healthcare.googleapis.com/v1/projects/your-project-id/locations/your-location/datasets/your-dataset-id/fhirStores/your-fhir-store-id/resources");
HttpRequestFactory requestFactory = httpTransport.createRequestFactory();
HttpRequest request = requestFactory.buildPostRequest(url, new HttpContent() {
@Override
public HttpHeaders getHeaders() {
HttpHeaders headers = new HttpHeaders();
headers.set("Content-Type", "application/json");
return headers;
}
@Override
public byte[] getBytes() throws IOException {
return requestBody.getData().getBytes("UTF-8");
}
@Override
public String getType() {
return requestBody.getContentType();
}
@Override
public boolean retrySupported() {
return false;
}
});
HttpResponse response = request.execute();
System.out.println(response.parseAsString());
}
}
问题:发送请求时遇到 400 Bad Request
错误。
原因:
解决方法:
HttpBody
中的数据是否符合 API 的要求。通过以上信息,你应该能够理解如何使用 HttpBody
类以及如何解决常见的问题。
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