检测语言（高级版）

import ( 	"context" 	"fmt" 	"io"  	translate "cloud.google.com/go/translate/apiv3" 	"cloud.google.com/go/translate/apiv3/translatepb" )  // detectLanguage detects the language of a text string. func detectLanguage(w io.Writer, projectID string, text string) error { 	// projectID := "my-project-id" 	// text := "Hello, world!"  	ctx := context.Background() 	client, err := translate.NewTranslationClient(ctx) 	if err != nil { 		return fmt.Errorf("NewTranslationClient: %w", err) 	} 	defer client.Close()  	req := &translatepb.DetectLanguageRequest{ 		Parent:   fmt.Sprintf("projects/%s/locations/global", projectID), 		MimeType: "text/plain", // Mime types: "text/plain", "text/html" 		Source: &translatepb.DetectLanguageRequest_Content{ 			Content: text, 		}, 	}  	resp, err := client.DetectLanguage(ctx, req) 	if err != nil { 		return fmt.Errorf("DetectLanguage: %w", err) 	}  	// Display list of detected languages sorted by detection confidence. 	// The most probable language is first. 	for _, language := range resp.GetLanguages() { 		// The language detected. 		fmt.Fprintf(w, "Language code: %v\n", language.GetLanguageCode()) 		// Confidence of detection result for this language. 		fmt.Fprintf(w, "Confidence: %v\n", language.GetConfidence()) 	}  	return nil } 

import com.google.cloud.translate.v3.DetectLanguageRequest; import com.google.cloud.translate.v3.DetectLanguageResponse; import com.google.cloud.translate.v3.DetectedLanguage; import com.google.cloud.translate.v3.LocationName; import com.google.cloud.translate.v3.TranslationServiceClient; import java.io.IOException;  public class DetectLanguage {    public static void detectLanguage() throws IOException {     // TODO(developer): Replace these variables before running the sample.     String projectId = "YOUR-PROJECT-ID";     String text = "your-text";      detectLanguage(projectId, text);   }    // Detecting the language of a text string   public static void detectLanguage(String projectId, String text) throws IOException {      // Initialize client that will be used to send requests. This client only needs to be created     // once, and can be reused for multiple requests. After completing all of your requests, call     // the "close" method on the client to safely clean up any remaining background resources.     try (TranslationServiceClient client = TranslationServiceClient.create()) {       // Supported Locations: `global`, [glossary location], or [model location]       // Glossaries must be hosted in `us-central1`       // Custom Models must use the same location as your model. (us-central1)       LocationName parent = LocationName.of(projectId, "global");        // Supported Mime Types: https://cloud.google.com/translate/docs/supported-formats       DetectLanguageRequest request =           DetectLanguageRequest.newBuilder()               .setParent(parent.toString())               .setMimeType("text/plain")               .setContent(text)               .build();        DetectLanguageResponse response = client.detectLanguage(request);        // Display list of detected languages sorted by detection confidence.       // The most probable language is first.       for (DetectedLanguage language : response.getLanguagesList()) {         // The language detected         System.out.printf("Language code: %s\n", language.getLanguageCode());         // Confidence of detection result for this language         System.out.printf("Confidence: %s\n", language.getConfidence());       }     }   } }

/**  * TODO(developer): Uncomment these variables before running the sample.  */ // const projectId = 'YOUR_PROJECT_ID'; // const location = 'global'; // const text = 'text to translate';  // Imports the Google Cloud Translation library const {TranslationServiceClient} = require('@google-cloud/translate');  // Instantiates a client const translationClient = new TranslationServiceClient();  async function detectLanguage() {   // Construct request   const request = {     parent: `projects/${projectId}/locations/${location}`,     content: text,   };    // Run request   const [response] = await translationClient.detectLanguage(request);    console.log('Detected Languages:');   for (const language of response.languages) {     console.log(`Language Code: ${language.languageCode}`);     console.log(`Confidence: ${language.confidence}`);   } }  detectLanguage();

from google.cloud import translate   def detect_language(     project_id: str = "YOUR_PROJECT_ID", ) -> translate.DetectLanguageResponse:     """Detecting the language of a text string.      Args:         project_id: The GCP project ID.      Returns:         The detected language of the text.     """     client = translate.TranslationServiceClient()      location = "global"      parent = f"projects/{project_id}/locations/{location}"      # Detail on supported types can be found here:     # https://cloud.google.com/translate/docs/supported-formats     response = client.detect_language(         content="Hello, world!",         parent=parent,         mime_type="text/plain",  # mime types: text/plain, text/html     )      # Display list of detected languages sorted by detection confidence.     # The most probable language is first.     for language in response.languages:         # The language detected         print(f"Language code: {language.language_code}")         # Confidence of detection result for this language         print(f"Confidence: {language.confidence}")      return response