# 请求体 - 更新数据

## 用 `PUT` 更新数据

更新数据请用 <a href="https://developer.mozilla.org/zh-CN/docs/Web/HTTP/Methods/PUT" class="external-link" target="_blank">HTTP `PUT`</a> 操作。

把输入数据转换为以 JSON 格式存储的数据（比如，使用 NoSQL 数据库时），可以使用 `jsonable_encoder`。例如，把 `datetime` 转换为 `str`。

```Python hl_lines="30-35"
{!../../../docs_src/body_updates/tutorial001.py!}
```

`PUT` 用于接收替换现有数据的数据。

### 关于更新数据的警告

用 `PUT` 把数据项 `bar` 更新为以下内容时：

```Python
{

**FastAPI** 要确保从正确的位置读取数据，而不是读取 JSON。

!!! note "技术细节"

    表单数据的「媒体类型」编码一般为 `application/x-www-form-urlencoded`。

    但包含文件的表单编码为 `multipart/form-data`。文件处理详见下节。

    编码和表单字段详见 <a href="https://developer.mozilla.org/zh-CN/docs/Web/HTTP/Methods/POST" class="external-link" target="_blank"><abbr title="Mozilla Developer Network">MDN</abbr> Web 文档的 <code>POST</code></a>小节。

!!! warning "警告"

{!../../../docs_src/dependencies/tutorial010.py!}
```

!!! tip
    另一种创建上下文管理器的方法是：

    * <a href="https://docs.python.org/zh-cn/3/library/contextlib.html#contextlib.contextmanager" class="external-link" target="_blank">`@contextlib.contextmanager`</a>或者
    * <a href="https://docs.python.org/zh-cn/3/library/contextlib.html#contextlib.asynccontextmanager" class="external-link" target="_blank">`@contextlib.asynccontextmanager`</a>

      }

    /**
     * Set this certificate's common name (CN). Historically this held the hostname of TLS
     * certificate, but that practice was deprecated by [RFC 2818][rfc_2818] and replaced with
     * [addSubjectAlternativeName]. If unset a random string will be used.
     *
     * [rfc_2818]: https://tools.ietf.org/html/rfc2818
     */
    fun commonName(cn: String) =
      apply {
        this.commonName = cn
      }

          "match": "*_vi",
          "mapping": {
            "type": "text",
            "analyzer": "empty_analyzer"
          }
        }
      },
      {
        "lang_zh-cn": {
          "match": "*_zh-cn",
          "mapping": {
            "type": "text",
            "analyzer": "simplified_chinese_analyzer"
          }
        }
      },
      {
        "lang_zh-tw": {

          "match": "*_vi",
          "mapping": {
            "type": "text",
            "analyzer": "empty_analyzer"
          }
        }
      },
      {
        "lang_zh-cn": {
          "match": "*_zh-cn",
          "mapping": {
            "type": "text",
            "analyzer": "simplified_chinese_analyzer"
          }
        }
      },
      {
        "lang_zh-tw": {

```sh
[req]
distinguished_name = req_distinguished_name
x509_extensions = v3_req
prompt = no

[req_distinguished_name]
C = US
ST = VA
L = Somewhere
O = MyOrg
OU = MyOU
CN = MyServerName

[v3_req]
subjectAltName = @alt_names

[alt_names]
IP.1 = 127.0.0.1
DNS.1 = localhost
```

Run `openssl` by specifying the configuration file and enter a passphrase if prompted:

          "match": "*_vi",
          "mapping": {
            "type": "text",
            "analyzer": "vietnamese_analyzer"
          }
        }
      },
      {
        "lang_zh-cn": {
          "match": "*_zh-cn",
          "mapping": {
            "type": "text",
            "analyzer": "simplified_chinese_analyzer"
          }
        }
      },
      {
        "lang_zh-tw": {

    val request = Request.Builder().url(server.url("/")).build()

    val response = client.newCall(request).execute()

    response.use {
      assertEquals(200, response.code)
      assertEquals(
        "CN=localhost",
        (response.handshake!!.peerCertificates.single() as X509Certificate).subjectDN.name,
      )
    }
  }

  private fun enableTls() {
    client =
      client.newBuilder()

  exitCommand: ""

## List of command to run after minio install
## NOTE: the mc command TARGET is always "myminio"
customCommands:
  # - command: "admin policy attach myminio consoleAdmin --group='cn=ops,cn=groups,dc=example,dc=com'"

## Additional Annotations for the Kubernetes Job customCommandJob
customCommandJob:
  securityContext:
    enabled: false
    runAsUser: 1000
    runAsGroup: 1000
  resources: