<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="Attachment" />
  <meta>
    <lastUpdated value="2020-12-07T01:37:08.438+00:00" />
  </meta>
  <url value="http://fhir.scwjxx.cn/Sichuan/StructureDefinition/Attachment" />
  <name value="Attachment" />
  <title value="附件信息" />
  <status value="draft" />
  <description value="用于引用以其他格式定义的数据内容" />
  <fhirVersion value="4.0.0" />
  <mapping>
    <identity value="v2" />
    <uri value="http://hl7.org/v2" />
    <name value="HL7 v2 Mapping" />
  </mapping>
  <mapping>
    <identity value="rim" />
    <uri value="http://hl7.org/v3" />
    <name value="RIM Mapping" />
  </mapping>
  <kind value="complex-type" />
  <abstract value="false" />
  <type value="Attachment" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Attachment" />
  <derivation value="constraint" />
  <snapshot>
    <element id="Attachment">
      <path value="Attachment" />
      <short value="附件信息" />
      <definition value="用于引用以其他格式定义的数据内容。" />
      <comment value="When providing a summary view (for example with Observation.value[x]) Attachment should be represented with a brief display text such as &quot;Signed Procedure Consent&quot;." />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Attachment" />
        <min value="0" />
        <max value="*" />
      </base>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="att-1" />
        <severity value="error" />
        <human value="If the Attachment has data, it SHALL have a contentType" />
        <expression value="data.empty() or contentType.exists()" />
        <xpath value="not(exists(f:data)) or exists(f:contentType)" />
        <source value="http://hl7.org/fhir/StructureDefinition/Attachment" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="ED/RP" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="ED" />
      </mapping>
    </element>
    <element id="Attachment.id">
      <path value="Attachment.id" />
      <representation value="xmlAttr" />
      <short value="Unique id for inter-element referencing" />
      <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Element.id" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
          <valueUrl value="string" />
        </extension>
        <code value="http://hl7.org/fhirpath/System.String" />
      </type>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element id="Attachment.extension">
      <path value="Attachment.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <description value="Extensions are always sliced by (at least) url" />
        <rules value="open" />
      </slicing>
      <short value="Additional content defined by implementations" />
      <definition value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." />
      <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
      <alias value="extensions" />
      <alias value="user content" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Element.extension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="ext-1" />
        <severity value="error" />
        <human value="Must have either extensions or value[x], not both" />
        <expression value="extension.exists() != value.exists()" />
        <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="Attachment.contentType">
      <path value="Attachment.contentType" />
      <short value="内容的Mime类型，带有字符集等。" />
      <definition value="标识附件中的数据类型，并允许选择一种方法来解释或呈现数据。在适当的地方包括mime类型参数，如charset。" />
      <comment value="Note that FHIR strings SHALL NOT exceed 1MB in size" />
      <requirements value="Processors of the data need to be able to know how to interpret the data." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Attachment.contentType" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="code" />
      </type>
      <example>
        <label value="General" />
        <valueCode value="text/plain; charset=UTF-8, image/png" />
      </example>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <isSummary value="true" />
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="MimeType" />
        </extension>
        <strength value="required" />
        <description value="The mime type of an attachment. Any valid mime type is allowed." />
        <valueSet value="http://hl7.org/fhir/ValueSet/mimetypes|4.0.1" />
      </binding>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="ED.2+ED.3/RP.2+RP.3. Note conversion may be needed if old style values are being used" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./mediaType, ./charset" />
      </mapping>
    </element>
    <element id="Attachment.language">
      <path value="Attachment.language" />
      <short value="人类语言(BCP-47)" />
      <definition value="人类语言的内容。根据BCP 47，该值可以是任何有效值。" />
      <comment value="Note that FHIR strings SHALL NOT exceed 1MB in size" />
      <requirements value="Users need to be able to choose between the languages in a set of attachments." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Attachment.language" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="code" />
      </type>
      <example>
        <label value="General" />
        <valueCode value="en-AU" />
      </example>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <isSummary value="true" />
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet">
          <valueCanonical value="http://hl7.org/fhir/ValueSet/all-languages" />
        </extension>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="Language" />
        </extension>
        <strength value="preferred" />
        <description value="A human language." />
        <valueSet value="http://hl7.org/fhir/ValueSet/languages" />
      </binding>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./language" />
      </mapping>
    </element>
    <element id="Attachment.data">
      <path value="Attachment.data" />
      <short value="base64ed  数据" />
      <definition value="附件的实际数据—编码为base64的字节序列。" />
      <comment value="The base64-encoded data SHALL be expressed in the same character set as the base resource XML or JSON." />
      <requirements value="The data needs to able to be transmitted inline." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Attachment.data" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="base64Binary" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="ED.5" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./data" />
      </mapping>
    </element>
    <element id="Attachment.url">
      <path value="Attachment.url" />
      <short value="数据的url" />
      <definition value="可以访问数据的地址" />
      <comment value="If both data and url are provided, the url SHALL point to the same content as the data contains. Urls may be relative references or may reference transient locations such as a wrapping envelope using cid: though this has ramifications for using signatures. Relative URLs are interpreted relative to the service url, like a resource reference, rather than relative to the resource itself. If a URL is provided, it SHALL resolve to actual data." />
      <requirements value="The data needs to be transmitted by reference." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Attachment.url" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="url" />
      </type>
      <example>
        <label value="General" />
        <valueUrl value="http://www.acme.com/logo-small.png" />
      </example>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="RP.1+RP.2 - if they refer to a URL (see v2.6)" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./reference/literal" />
      </mapping>
    </element>
    <element id="Attachment.size">
      <path value="Attachment.size" />
      <short value="内容字节数(如果提供url)" />
      <definition value="组成此附件的数据字节数(在base64编码之前)。" />
      <comment value="The number of bytes is redundant if the data is provided as a base64binary, but is useful if the data is provided as a url reference." />
      <requirements value="Representing the size allows applications to determine whether they should fetch the content automatically in advance, or refuse to fetch it at all." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Attachment.size" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="unsignedInt" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A (needs data type R3 proposal)" />
      </mapping>
    </element>
    <element id="Attachment.hash">
      <path value="Attachment.hash" />
      <short value="数据的哈希(sha-1, base64ed)" />
      <definition value="使用SHA-1计算数据的哈希值。使用base64表示。" />
      <comment value="The hash is calculated on the data prior to base64 encoding, if the data is based64 encoded. The hash is not intended to support digital signatures. Where protection against malicious threats a digital signature should be considered, see [Provenance.signature](provenance-definitions.html#Provenance.signature) for mechanism to protect a resource with a digital signature." />
      <requirements value="Included so that applications can verify that the contents of a location have not changed due to technical failures (e.g., storage rot, transport glitch, incorrect version)." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Attachment.hash" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="base64Binary" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".integrityCheck[parent::ED/integrityCheckAlgorithm=&quot;SHA-1&quot;]" />
      </mapping>
    </element>
    <element id="Attachment.title">
      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">
        <valueBoolean value="true" />
      </extension>
      <path value="Attachment.title" />
      <short value="数据标题" />
      <definition value="描述该附件的标题信息" />
      <comment value="Note that FHIR strings SHALL NOT exceed 1MB in size" />
      <requirements value="Applications need a label to display to a human user in place of the actual data if the data cannot be rendered or perceived by the viewer." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Attachment.title" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <example>
        <label value="General" />
        <valueString value="Official Corporate Logo" />
      </example>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./title/data" />
      </mapping>
    </element>
    <element id="Attachment.creation">
      <path value="Attachment.creation" />
      <short value="首次创建日期" />
      <definition value="附件首次创建的日期。" />
      <requirements value="This is often tracked as an integrity issue for use of the attachment." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Attachment.creation" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="dateTime" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A (needs data type R3 proposal)" />
      </mapping>
    </element>
  </snapshot>
  <differential>
    <element id="Attachment">
      <path value="Attachment" />
      <short value="附件信息" />
      <definition value="用于引用以其他格式定义的数据内容。" />
    </element>
    <element id="Attachment.contentType">
      <path value="Attachment.contentType" />
      <short value="内容的Mime类型，带有字符集等。" />
      <definition value="标识附件中的数据类型，并允许选择一种方法来解释或呈现数据。在适当的地方包括mime类型参数，如charset。" />
    </element>
    <element id="Attachment.language">
      <path value="Attachment.language" />
      <short value="人类语言(BCP-47)" />
      <definition value="人类语言的内容。根据BCP 47，该值可以是任何有效值。" />
    </element>
    <element id="Attachment.data">
      <path value="Attachment.data" />
      <short value="base64ed  数据" />
      <definition value="附件的实际数据—编码为base64的字节序列。" />
    </element>
    <element id="Attachment.url">
      <path value="Attachment.url" />
      <short value="数据的url" />
      <definition value="可以访问数据的地址" />
    </element>
    <element id="Attachment.size">
      <path value="Attachment.size" />
      <short value="内容字节数(如果提供url)" />
      <definition value="组成此附件的数据字节数(在base64编码之前)。" />
    </element>
    <element id="Attachment.hash">
      <path value="Attachment.hash" />
      <short value="数据的哈希(sha-1, base64ed)" />
      <definition value="使用SHA-1计算数据的哈希值。使用base64表示。" />
    </element>
    <element id="Attachment.title">
      <path value="Attachment.title" />
      <short value="数据标题" />
      <definition value="描述该附件的标题信息" />
    </element>
    <element id="Attachment.creation">
      <path value="Attachment.creation" />
      <short value="首次创建日期" />
      <definition value="附件首次创建的日期。" />
    </element>
  </differential>
</StructureDefinition>