![editor support](https://fastapi.tiangolo.com/img/pycharm-completion.png)

你將能進行程式碼補齊，這是在之前你可能曾認為不可能的事。例如，請求 JSON body（可能是巢狀的）中的鍵 `price`。

這樣比較不會輸錯鍵名，不用來回翻看文件，也不用來回滾動尋找你最後使用的 `username` 或者 `user_name`。



### 簡潔

FastAPI 為你提供了**預設值**，讓你不必在初期進行繁瑣的配置，一切都可以自動運作。如果你有更具體的需求，則可以進行調整和自定義，

但在大多數情況下，你只需要直接使用預設值，就能順利完成 API 開發。

### 驗證

所有的驗證都由完善且強大的 **Pydantic** 處理。

                childUrlList.add(RequestDataBuilder.newRequestData().get().url(responseData.getRedirectLocation()).build());
                throw new ChildUrlsException(childUrlList, this.getClass().getName() + "#RedirectedFrom:" + url);
            }
            responseData.setExecutionTime(systemHelper.getCurrentTimeAsLong() - startTime);
            responseData.setSessionId(crawlingInfoId);

            setRawPayload(payload);
        }

        if (!verifySignature(buffer, 4, len)) {
            throw new SMBProtocolDecodingException("Signature verification failed for " + this.getClass().getName());
        }
        return len;
    }

    /**
     * Writes the AndX wire format to buffer
     * @param dst the destination buffer
     * @param dstIndex the starting index

	// (removed during loadUser() in the loop above) are removed from memory.
	for _, item := range listedConfigItems[policyDBSTSUsersListKey] {
		stsName := strings.TrimSuffix(item, ".json")
		err := iamOS.loadMappedPolicy(ctx, stsName, stsUser, false, stsAccPoliciesFromStore)
		if err != nil && !errors.Is(err, errNoSuchPolicy) {
			iamLogIf(ctx, err)
		}

        verifyTokenKeep(() -> downloadpage(form.dictId));
        return stemmerOverrideService.getStemmerOverrideFile(form.dictId)
                .map(file -> asStream(new File(file.getPath()).getName()).contentTypeOctetStream().stream(out -> {
                    file.writeOut(out);
                }))
                .orElseGet(() -> {

        verifyTokenKeep(() -> downloadpage(form.dictId));
        return charMappingService.getCharMappingFile(form.dictId)
                .map(file -> asStream(new File(file.getPath()).getName()).contentTypeOctetStream().stream(out -> {
                    file.writeOut(out);
                }))
                .orElseGet(() -> {

        TestUser(String name, String[] permissions) {
            this.name = name;
            this.permissions = permissions;

        }

        @Override
        public String getName() {
            return name;
        }

        @Override
        public String[] getRoleNames() {
            return new String[0];
        }

        @Override

        final List<WebConfig> webConfigList = crawlingConfigHelper.getAllWebConfigList(false, false, false, null);
        for (final WebConfig webConfig : webConfigList) {
            itemList.add(createItem(webConfig.getName(), webConfig.getId().toString()));
        }
        RenderDataUtil.register(data, "webConfigItems", itemList);
    }

    /**

                result = repoSystem.resolveArtifact(session, artifactRequest);
            } catch (ComponentLookupException e) {
                throw new IllegalStateException("Unable to lookup " + RepositorySystem.class.getName());
            } catch (org.eclipse.aether.resolution.ArtifactResolutionException e) {
                if (e.getCause() instanceof org.eclipse.aether.transfer.ArtifactNotFoundException) {

     */
    @Nullable
    Object inputLocation();

    // Deprecated methods that delegate to new ones
    @Deprecated(since = "4.0.0", forRemoval = true)
    @Nonnull
    default String getName() {
        return name();
    }

    @Deprecated(since = "4.0.0", forRemoval = true)
    @Nonnull
    default String getNamespaceUri() {
        return namespaceUri();
    }