# 更多模型

书接上文，多个关联模型这种情况很常见。

特别是用户模型，因为：

* **输入模型**应该含密码
* **输出模型**不应含密码
* **数据库模型**需要加密的密码

/// danger | 危险

千万不要存储用户的明文密码。始终存储可以进行验证的**安全哈希值**。

如果不了解这方面的知识，请参阅[安全性中的章节](security/simple-oauth2.md#password-hashing){.internal-link target=_blank}，了解什么是**密码哈希**。

///

## 多个模型

下面的代码展示了不同模型处理密码字段的方式，及使用位置的大致思路：

{* ../../docs_src/extra_models/tutorial001_py310.py hl[7,9,14,20,22,27:28,31:33,38:39] *}

[Download the latest release](https://prometheus.io/download) of Prometheus for your platform, then extract it

```sh
tar xvfz prometheus-*.tar.gz
cd prometheus-*
```

Prometheus server is a single binary called `prometheus` (or `prometheus.exe` on Microsoft Windows). Run the binary and pass `--help` flag to see available options

```sh
./prometheus --help
usage: prometheus [<flags>]

         */
        public SitemapSet getSitemapSet() {
            return sitemapSet;
        }

    }

    /**
     * Sets the preload size for checking file format.
     * @param preloadSize the preload size in bytes
     */
    public void setPreloadSize(final int preloadSize) {
        this.preloadSize = preloadSize;
    }

    /**

    /**
     * The DCERPC binding configuration for this handle
     */
    protected DcerpcBinding binding;
    /**
     * Maximum transmit buffer size for DCERPC messages
     */
    protected int max_xmit = 4280;
    /**
     * Maximum receive buffer size for DCERPC messages
     */
    protected int max_recv = max_xmit;
    /**
     * The current state of the DCERPC connection
     */

        @DisplayName("Should reject offset+length exceeding buffer size in sign method")
        void testSignOffsetLengthExceedsBuffer() {
            byte[] data = new byte[100];
            assertThrows(IllegalArgumentException.class, () -> digest.sign(data, 50, 60, request, response),
                    "Should throw IllegalArgumentException when offset+length > buffer size");
        }

        @Test

    private static final Logger logger = LogManager.getLogger(PluginHelper.class);

    /**
     * Cache for storing available artifacts by type.
     * The cache expires after 5 minutes and has a maximum size of 10 entries.
     */
    protected LoadingCache<ArtifactType, Artifact[]> availableArtifacts = CacheBuilder.newBuilder()
            .maximumSize(10)
            .expireAfterWrite(5, TimeUnit.MINUTES)

*/}} {{- define "minio.imagePullSecrets" -}} {{/* Helm 2.11 supports the assignment of a value to a variable defined in a different scope, but Helm 2.9 and 2.10 does not support it, so we need to implement this if-else logic. Also, we can not use a single if because lazy evaluation is not an option */}} {{- if .Values.global }} {{- if .Values.global.imagePullSecrets }} imagePullSecrets: {{- range .Values.global.imagePullSecrets }} - name: {{ . }} {{- end }} {{- else if .Values.imagePullSecrets }} imagePullSecrets:...

*/}} {{- define "minio.imagePullSecrets" -}} {{/* Helm 2.11 supports the assignment of a value to a variable defined in a different scope, but Helm 2.9 and 2.10 does not support it, so we need to implement this if-else logic. Also, we can not use a single if because lazy evaluation is not an option */}} {{- if .Values.global }} {{- if .Values.global.imagePullSecrets }} imagePullSecrets: {{- range .Values.global.imagePullSecrets }} - name: {{ . }} {{- end }} {{- else if .Values.imagePullSecrets }} imagePullSecrets:...

*/}} {{- define "minio.imagePullSecrets" -}} {{/* Helm 2.11 supports the assignment of a value to a variable defined in a different scope, but Helm 2.9 and 2.10 does not support it, so we need to implement this if-else logic. Also, we can not use a single if because lazy evaluation is not an option */}} {{- if .Values.global }} {{- if .Values.global.imagePullSecrets }} imagePullSecrets: {{- range .Values.global.imagePullSecrets }} - name: {{ . }} {{- end }} {{- else if .Values.imagePullSecrets }} imagePullSecrets:...

*/}} {{- define "minio.imagePullSecrets" -}} {{/* Helm 2.11 supports the assignment of a value to a variable defined in a different scope, but Helm 2.9 and 2.10 does not support it, so we need to implement this if-else logic. Also, we can not use a single if because lazy evaluation is not an option */}} {{- if .Values.global }} {{- if .Values.global.imagePullSecrets }} imagePullSecrets: {{- range .Values.global.imagePullSecrets }} - name: {{ . }} {{- end }} {{- else if .Values.imagePullSecrets }} imagePullSecrets:...