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## 主要改进 - 实现 /api/status/model 接口，返回真实PDMS模型状态信息 - 使用MDB.CurrentMDB、Project.CurrentProject等AVEVA API获取真实数据 - 移除硬编码的CurrentSession、PositionInfo、PdmsSpecific等复杂结构 - 简化数据模型，只保留核心的真实数据字段 ## 技术实现 - 通过DbSession获取真实的用户名、会话开始时间和持续时间 - 通过WorldMembers()获取真实的模型元素统计 - 修复DateTime类型的null合并运算符编译错误 - 清理不使用的方法和类定义 ## API返回数据 现在返回的数据主要包含真实的PDMS信息： - ModelLoaded: MDB连接状态检查 - ProjectName: 真实的设计数据库名称 - MdsName: 真实的MDB名称 - UserName: 真实的数据库会话用户 - StartTime: 真实的会话创建时间 - TotalElements: 真实的模型元素数量统计 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
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49 lines
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<title>DbFieldFormat Properties</title>
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<td class="runninghead">AVEVA Database .NET Public Interface</td>
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<h1 class="dtH1">DbFieldFormat Properties</h1>
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<p>The properties of the <b>DbFieldFormat</b> class are listed below. For a complete list of <b>DbFieldFormat</b> class members, see the <a href="Aveva.Pdms.Database.DbFieldFormatMembers.html">DbFieldFormat Members</a> topic.</p>
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<h4 class="dtH4">Public Instance Properties</h4>
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<tr VALIGN="top"><td width="50%"><img src="pubproperty.gif"></img><a href="Aveva.Pdms.Database.DbFieldFormat.ArraySeparator.html">ArraySeparator</a></td><td width="50%"> String to use to separate individual array elements. Typically ', ' for a list </td></tr>
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<tr VALIGN="top"><td width="50%"><img src="pubproperty.gif"></img><a href="Aveva.Pdms.Database.DbFieldFormat.DbRestriction.html">DbRestriction</a></td><td width="50%"> INTEGER database number to restrict elements to those from a certain database for certain special fields (e.g. owner and member types). 0 for no restriction. </td></tr>
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<tr VALIGN="top"><td width="50%"><img src="pubproperty.gif"></img><a href="Aveva.Pdms.Database.DbFieldFormat.DefaultAction.html">DefaultAction</a></td><td width="50%"> Action to take if a value is found which does not match a specified mapping By default, this is GET_AS_STRING which will leave the value unchanged It may be set to FIXED_STRING so that any such (unmapped) string will be replaced by the DefaultString </td></tr>
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<tr VALIGN="top"><td width="50%"><img src="pubproperty.gif"></img><a href="Aveva.Pdms.Database.DbFieldFormat.DefaultString.html">DefaultString</a></td><td width="50%"> String with which to replace any string for which no individual mapping has been defined (with AddMapping) Only used if the DefaultAction is FIXED_STRING </td></tr>
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<tr VALIGN="top"><td width="50%"><img src="pubproperty.gif"></img><a href="Aveva.Pdms.Database.DbFieldFormat.ItemSeparator.html">ItemSeparator</a></td><td width="50%"> String to use to separate items within compound fields. Only used for special fields such as attributes and descriptions. Typically a tab or a colon </td></tr>
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<tr VALIGN="top"><td width="50%"><img src="pubproperty.gif"></img><a href="Aveva.Pdms.Database.DbFieldFormat.NonEmptyPrefix.html">NonEmptyPrefix</a></td><td width="50%"> String to prepend to the result if and only if it is not the empty string </td></tr>
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<tr VALIGN="top"><td width="50%"><img src="pubproperty.gif"></img><a href="Aveva.Pdms.Database.DbFieldFormat.NonEmptySuffix.html">NonEmptySuffix</a></td><td width="50%"> String to append to the result if and only if it is not the empty string </td></tr>
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<tr VALIGN="top"><td width="50%"><img src="pubproperty.gif"></img><a href="Aveva.Pdms.Database.DbFieldFormat.RemoveDuplicates.html">RemoveDuplicates</a></td><td width="50%"> Whether or not duplicate array items are to be removed NB: Equality is checked AFTER any replacements and mappings </td></tr>
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<tr VALIGN="top"><td width="50%"><img src="pubproperty.gif"></img><a href="Aveva.Pdms.Database.DbFieldFormat.SortValues.html">SortValues</a></td><td width="50%"> Whether or not array items are to be sorted into alphabetic order NB: Sorting is applied AFTER any replacements and mappings </td></tr>
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<tr VALIGN="top"><td width="50%"><img src="pubproperty.gif"></img><a href="Aveva.Pdms.Database.DbFieldFormat.UndefinedString.html">UndefinedString</a></td><td width="50%"> String to substitute if no value is defined </td></tr></table>
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<h4 class="dtH4">See Also</h4>
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<a href="Aveva.Pdms.Database.DbFieldFormat.html">DbFieldFormat Class</a> | <a href="Aveva.Pdms.Database.html">Aveva.Pdms.Database Namespace</a></p>
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