![Swagger UI](https://fastapi.tiangolo.com/img/index/index-01-swagger-ui-simple.png)

### 代替APIドキュメント { #alternative-api-docs }

次に、[http://127.0.0.1:8000/redoc](http://127.0.0.1:8000/redoc)にアクセスします。

先ほどとは異なる、自動生成された対話的APIドキュメントが表示されます（[ReDoc](https://github.com/Rebilly/ReDoc)によって提供）:

![ReDoc](https://fastapi.tiangolo.com/img/index/index-02-redoc-simple.png)

### OpenAPI { #openapi }

    // The offset to the first element in a byte array.
    private static final int BYTE_ARRAY_BASE_OFFSET;

    /**
     * Returns an Unsafe. Suitable for use in a 3rd party package. Replace with a simple call to
     * Unsafe.getUnsafe when integrating into a JDK.
     *
     * @return an Unsafe instance if successful
     */
    private static Unsafe getUnsafe() {
      try {
        return Unsafe.getUnsafe();

Podrías cargarlo en el nivel superior del módulo/archivo, pero eso también significaría que **cargaría el modelo** incluso si solo estás ejecutando una simple prueba automatizada, entonces esa prueba sería **lenta** porque tendría que esperar a que el modelo se cargue antes de poder ejecutar una parte independiente del código.

   * instance may or may not be unique across different calls.
   */
  private @Nullable Object generate(TypeToken<?> type) {
    Class<?> rawType = type.getRawType();
    List<Object> samples = sampleInstances.get(rawType);
    Object sample = pickInstance(samples, null);
    if (sample != null) {
      return sample;
    }
    if (rawType.isEnum()) {
      return pickInstance(rawType.getEnumConstants(), null);
    }

                    return (Collection<String>[]) new Collection<?>[length];
                  }

                  @Override
                  public SampleElements<Entry<String, Collection<String>>> samples() {
                    return new SampleElements<>(
                        mapEntry("a", (Collection<String>) ImmutableSortedSet.of("alex")),

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E também há várias formas de obter ajuda.

## Assine a newsletter { #subscribe-to-the-newsletter }

        assertTrue("Valid path in subdirectory should be allowed", result);
    }

    @Test
    public void test_isValidUploadPath_pathTraversal_simple() throws Exception {
        // Test simple path traversal attack
        File baseDir = new File(tempDir.toFile(), "images");
        baseDir.mkdirs();
        File maliciousFile = new File(baseDir, "../../../etc/passwd");

        // Verify a timestamp was properly formatted
        assertNotNull(result);
        assertTrue(result.length() > "\"timestamp\":\"\"".length());
    }

    // Test appendException method with simple exception
    @Test
    public void test_appendException_simpleException() {
        StringBuilder buf = new StringBuilder();
        Exception exception = new RuntimeException("Test error message");

        if (data == null || data.length == 0) {
            return 1.0;
        }
        if (algorithm == COMPRESSION_NONE) {
            return 1.0;
        }

        // Simple heuristic based on data entropy
        // In practice, this would be more sophisticated
        int uniqueBytes = countUniqueBytes(data);
        double entropy = (double) uniqueBytes / 256.0;

      - tutorial/dependencies/dependencies-with-yield.md
    - Security:
      - tutorial/security/index.md
      - tutorial/security/first-steps.md
      - tutorial/security/get-current-user.md
      - tutorial/security/simple-oauth2.md
      - tutorial/security/oauth2-jwt.md
    - tutorial/middleware.md
    - tutorial/cors.md
    - tutorial/sql-databases.md
    - tutorial/bigger-applications.md
    - tutorial/stream-json-lines.md