使平面文件架构的 header 上的某些字段可选

Question

我有一个包含 header 和数据的平面文件架构。我通过将属性 min occurrence 更改为 0 使一些数据字段成为可选字段并且它起作用了。
我尝试在 header 和 header details 属性中做同样的事情，但它没有用。
我还需要更改什么？

这是架构的一部分。包含 header、header 详细信息和数据节点属性，每个属性的第一个字段是必需的，第一个尾随字段是我想要的可选字段，即第 7 个

<?xml version="1.0" encoding="utf-16"?>
<xs:schema xmlns="http://ABC.ao/middleware/servicos/docfinanceiro/balancete/v1" xmlns:b="http://schemas.microsoft.com/BizTalk/2003" targetNamespace="http://ABC.ao/middleware/servicos/docfinanceiro/balancete/v1" xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:annotation>
    <xs:appinfo>
      <schemaEditorExtension:schemaInfo namespaceAlias="b" extensionClass="Microsoft.BizTalk.FlatFileExtension.FlatFileExtension" standardName="Flat File" xmlns:schemaEditorExtension="http://schemas.microsoft.com/BizTalk/2003/SchemaEditorExtensions" />
      <b:schemaInfo standard="Flat File" codepage="1252" default_pad_char=" " pad_char_type="char" count_positions_by_byte="false" parser_optimization="speed" lookahead_depth="3" suppress_empty_nodes="false" generate_empty_nodes="true" allow_early_termination="true" early_terminate_optional_fields="false" allow_message_breakup_of_infix_root="false" compile_parse_tables="false" root_reference="Balancete" />
    </xs:appinfo>
  </xs:annotation>
  <xs:element name="Balancete">
    <xs:annotation>
      <xs:appinfo>
        <b:recordInfo structure="delimited" child_delimiter_type="hex" child_delimiter="0xD 0xA" sequence_number="1" preserve_delimiter_for_empty_data="true" suppress_trailing_delimiters="false" child_order="postfix" />
        <b:properties>
          <b:property distinguished="true" xpath="/*[local-name()='Balancete' and namespace-uri()='http://ABC.ao/middleware/servicos/docfinanceiro/balancete/v1']/*[local-name()='Header' and namespace-uri()='']/*[local-name()='Data' and namespace-uri()='']" />
        </b:properties>
      </xs:appinfo>
    </xs:annotation>
    <xs:complexType>
      <xs:sequence>
        <xs:annotation>
          <xs:appinfo>
            <groupInfo sequence_number="0" xmlns="http://schemas.microsoft.com/BizTalk/2003" />
          </xs:appinfo>
        </xs:annotation>

<xs:element name="Header">
          <xs:annotation>
            <xs:appinfo>
              <b:recordInfo structure="delimited" child_delimiter_type="char" child_delimiter=";" child_order="infix" sequence_number="1" preserve_delimiter_for_empty_data="true" suppress_trailing_delimiters="false" />
            </xs:appinfo>
          </xs:annotation>
          <xs:complexType>
            <xs:sequence>
              <xs:annotation>
                <xs:appinfo>
                  <groupInfo sequence_number="0" xmlns="http://schemas.microsoft.com/BizTalk/2003" />
                </xs:appinfo>
              </xs:annotation>
              <xs:element name="Entidade" type="xs:string">
                <xs:annotation>
                  <xs:appinfo>
                    <b:fieldInfo justification="left" sequence_number="1" />
                  </xs:appinfo>
                </xs:annotation>
              </xs:element>
              <xs:element name="Data" type="xs:date">
                <xs:annotation>
                  <xs:appinfo>
                    <b:fieldInfo justification="left" sequence_number="2" datetime_format="yyyy-MM-dd" />
                  </xs:appinfo>
                </xs:annotation>
              </xs:element>
              <xs:element name="Field_1" type="xs:string">
                <xs:annotation>
                  <xs:appinfo>
                    <b:fieldInfo justification="left" sequence_number="3" />
                  </xs:appinfo>
                </xs:annotation>
              </xs:element>
              <xs:element name="Field_2" type="xs:string">
                <xs:annotation>
                  <xs:appinfo>
                    <b:fieldInfo justification="left" sequence_number="4" />
                  </xs:appinfo>
                </xs:annotation>
              </xs:element>
              <xs:element name="Field_3" type="xs:string">
                <xs:annotation>
                  <xs:appinfo>
                    <b:fieldInfo justification="left" sequence_number="5" />
                  </xs:appinfo>
                </xs:annotation>
              </xs:element>
              <xs:element name="Field_4" type="xs:string">
                <xs:annotation>
                  <xs:appinfo>
                    <b:fieldInfo justification="left" sequence_number="6" />
                  </xs:appinfo>
                </xs:annotation>
              </xs:element>
              <xs:element name="Field_5" type="xs:string">
                <xs:annotation>
                  <xs:appinfo>
                    <b:fieldInfo justification="left" sequence_number="7" />
                  </xs:appinfo>
                </xs:annotation>
              </xs:element>
              <xs:element name="Field_6" type="xs:string">
                <xs:annotation>
                  <xs:appinfo>
                    <b:fieldInfo justification="left" sequence_number="8" />
                  </xs:appinfo>
                </xs:annotation>
              </xs:element>
              <xs:element minOccurs="0" name="Field_7" type="xs:string">
                <xs:annotation>
                  <xs:appinfo>
                    <b:fieldInfo justification="left" sequence_number="9" />
                  </xs:appinfo>
                </xs:annotation>
              </xs:element>
              <xs:element minOccurs="0" name="Field_8" type="xs:string">
                <xs:annotation>
                  <xs:appinfo>
                    <b:fieldInfo justification="left" sequence_number="10" />
                  </xs:appinfo>
                </xs:annotation>
              </xs:element>
              <xs:element minOccurs="0" name="Field_9" type="xs:string">
                <xs:annotation>
                  <xs:appinfo>
                    <b:fieldInfo justification="left" sequence_number="11" />
                  </xs:appinfo>
                </xs:annotation>
              </xs:element>
              <xs:element minOccurs="0" name="Field_10" type="xs:string">
                <xs:annotation>
                  <xs:appinfo>
                    <b:fieldInfo justification="left" sequence_number="12" />
                  </xs:appinfo>
                </xs:annotation>
              </xs:element>
              <xs:element minOccurs="0" name="Field_11" type="xs:string">
                <xs:annotation>
                  <xs:appinfo>
                    <b:fieldInfo justification="left" sequence_number="13" />
                  </xs:appinfo>
                </xs:annotation>
              </xs:element>
              <xs:element minOccurs="0" name="Field_12" type="xs:string">
                <xs:annotation>
                  <xs:appinfo>
                    <b:fieldInfo justification="left" sequence_number="14" />
                  </xs:appinfo>
                </xs:annotation>
              </xs:element>
              <xs:element minOccurs="0" name="Field_13" type="xs:string">
                <xs:annotation>
                  <xs:appinfo>
                    <b:fieldInfo justification="left" sequence_number="15" />
                  </xs:appinfo>
                </xs:annotation>
              </xs:element>
              <xs:element minOccurs="0" name="Field_14" type="xs:string">
                <xs:annotation>
                  <xs:appinfo>
                    <b:fieldInfo justification="left" sequence_number="16" />
                  </xs:appinfo>
                </xs:annotation>
              </xs:element>
              <xs:element minOccurs="0" name="Field_15" type="xs:string">
                <xs:annotation>
                  <xs:appinfo>
                    <b:fieldInfo justification="left" sequence_number="17" />
                  </xs:appinfo>
                </xs:annotation>
              </xs:element>
              <xs:element minOccurs="0" name="Field_16" type="xs:string">
                <xs:annotation>
                  <xs:appinfo>
                    <b:fieldInfo justification="left" sequence_number="18" />
                  </xs:appinfo>
                </xs:annotation>
              </xs:element>
              <xs:element minOccurs="0" name="Field_17" type="xs:string">
                <xs:annotation>
                  <xs:appinfo>
                    <b:fieldInfo justification="left" sequence_number="19" />
                  </xs:appinfo>
                </xs:annotation>
              </xs:element>
              <xs:element minOccurs="0" name="Field_18" type="xs:string">
                <xs:annotation>
                  <xs:appinfo>
                    <b:fieldInfo justification="left" sequence_number="20" />
                  </xs:appinfo>
                </xs:annotation>
              </xs:element>
              <xs:element minOccurs="0" name="Field_19" type="xs:string">
                <xs:annotation>
                  <xs:appinfo>
                    <b:fieldInfo justification="left" sequence_number="21" />
                  </xs:appinfo>
                </xs:annotation>
              </xs:element>
              <xs:element minOccurs="0" name="Field_20" type="xs:string">
                <xs:annotation>
                  <xs:appinfo>
                    <b:fieldInfo justification="left" sequence_number="22" />
                  </xs:appinfo>
                </xs:annotation>
              </xs:element>
              <xs:element minOccurs="0" name="Field_21" type="xs:string">
                <xs:annotation>
                  <xs:appinfo>
                    <b:fieldInfo justification="left" sequence_number="23" />
                  </xs:appinfo>
                </xs:annotation>
              </xs:element>
              <xs:element minOccurs="0" name="Field_22" type="xs:string">
                <xs:annotation>
                  <xs:appinfo>
                    <b:fieldInfo justification="left" sequence_number="24" />
                  </xs:appinfo>
                </xs:annotation>
              </xs:element>
              <xs:element minOccurs="0" name="Field_23" type="xs:string">
                <xs:annotation>
                  <xs:appinfo>
                    <b:fieldInfo justification="left" sequence_number="25" />
                  </xs:appinfo>
                </xs:annotation>
              </xs:element>
            </xs:sequence>
          </xs:complexType>
        </xs:element>

<xs:element name="HeaderDetails">
          <xs:annotation>
            <xs:appinfo>
              <b:recordInfo structure="delimited" child_delimiter_type="char" child_delimiter=";" child_order="infix" sequence_number="2" preserve_delimiter_for_empty_data="true" suppress_trailing_delimiters="false" />
            </xs:appinfo>
          </xs:annotation>
          <xs:complexType>
            <xs:sequence>
              <xs:annotation>
                <xs:appinfo>
                  <groupInfo sequence_number="0" xmlns="http://schemas.microsoft.com/BizTalk/2003" />
                </xs:appinfo>
              </xs:annotation>
              <xs:element name="HeaderDetails_Child1" type="xs:string">
                <xs:annotation>
                  <xs:appinfo>
                    <b:fieldInfo justification="left" sequence_number="1" />
                  </xs:appinfo>
                </xs:annotation>
              </xs:element>

<xs:element minOccurs="0" name="HeaderDetails_Child7" type="xs:string">
                <xs:annotation>
                  <xs:appinfo>
                    <b:fieldInfo justification="left" sequence_number="7" />
                  </xs:appinfo>
                </xs:annotation>
              </xs:element>

<xs:element maxOccurs="unbounded" name="Data">
          <xs:annotation>
            <xs:appinfo>
              <b:recordInfo structure="delimited" child_delimiter_type="char" child_delimiter=";" child_order="infix" sequence_number="3" preserve_delimiter_for_empty_data="true" suppress_trailing_delimiters="false" />
            </xs:appinfo>
          </xs:annotation>
          <xs:complexType>
            <xs:sequence>
              <xs:annotation>
                <xs:appinfo>
                  <groupInfo sequence_number="0" xmlns="http://schemas.microsoft.com/BizTalk/2003" />
                </xs:appinfo>
              </xs:annotation>
              <xs:element name="NumConta" type="xs:string">
                <xs:annotation>
                  <xs:appinfo>
                    <b:fieldInfo justification="left" sequence_number="1" />
                  </xs:appinfo>
                </xs:annotation>
              </xs:element>

<xs:element minOccurs="0" name="Especificacao" type="xs:string">
                <xs:annotation>
                  <xs:appinfo>
                    <b:fieldInfo justification="left" sequence_number="7" />
                  </xs:appinfo>
                </xs:annotation>
              </xs:element>

我希望该文件被接受。但目前这是有效的

因为 biztalk 正在寻找分号分隔符，所以使用第一个文件，第一行数据（前 6 行）被视为 header 的一部分。这就是为什么我必须添加额外的分号，如第二张图片所示。

Answer 1

嗯....什么样的平面文件？ 'optional' 是什么意思？

您通常不能将平面文件字段设为可选，除非它们是尾随字段并且第一个和所有后续字段都是可选的。

这是因为所有平面文件都是位置敏感的。字段 "First Name" 总是在位置 8 并且不能移动到 7 因为 6 是 'optional'.

使平面文件架构的 header 上的某些字段可选

Make some fields on the header of a flatfile schema optional

biztalk