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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>
61 lines
3.8 KiB
HTML
61 lines
3.8 KiB
HTML
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<title>DbExpression Members</title>
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<link rel="stylesheet" type="text/css" href="MSDN.css" />
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<td class="runninghead">AVEVA Database .NET Public Interface</td>
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<h1 class="dtH1">DbExpression Members
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<p>
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<a href="Aveva.Pdms.Database.DbExpression.html">DbExpression overview</a>
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<h4 class="dtH4">Public Static Methods</h4>
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<tr VALIGN="top"><td width="50%"><img src="pubmethod.gif"></img><img src="static.gif" /><a href="Aveva.Pdms.Database.DbExpression.CreateExpression.html">CreateExpression</a></td><td width="50%"> Create expression from internal integer array format </td></tr>
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<tr VALIGN="top"><td width="50%"><img src="pubmethod.gif"></img><img src="static.gif" /><a href="Aveva.Pdms.Database.DbExpression.Parse.html">Parse</a></td><td width="50%"> Create Expression by parsing expression text. The text may be any PML1 expression. e.g. (XLEN + 10) </td></tr></table>
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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.DbExpression.Type.html">Type</a></td><td width="50%"> Get Expression Type. </td></tr></table>
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<h4 class="dtH4">Public Instance Methods</h4>
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<tr VALIGN="top"><td width="50%"><img src="pubmethod.gif"></img><a href="Aveva.Pdms.Database.DbExpression.Clone.html">Clone</a></td><td width="50%"> Create and returns a copy of the Expression. </td></tr>
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<tr VALIGN="top"><td width="50%"><img src="pubmethod.gif"></img><a href="Aveva.Pdms.Database.DbExpression.Equals.html">Equals</a></td><td width="50%"> Compare two expressions </td></tr>
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<tr VALIGN="top"><td width="50%"><img src="pubmethod.gif"></img><a href="Aveva.Pdms.Database.DbExpression.GetHashCode.html">GetHashCode</a></td><td width="50%"> Returns hash code for Expression. </td></tr>
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<tr VALIGN="top"><td width="50%"><img src="pubmethod.gif"></img><a href="Aveva.Pdms.Database.DbExpression.GetStack.html">GetStack</a></td><td width="50%"> Get internal integer array format from the Expression. </td></tr>
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<tr VALIGN="top"><td width="50%"><img src="pubmethod.gif"></img><a href="ms-help://MS.NETFrameworkSDKv1.1/cpref/html/frlrfSystemObjectClassGetTypeTopic.htm">GetType</a> (inherited from <b>Object</b>)</td><td width="50%">
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Gets the <a href="ms-help://MS.NETFrameworkSDKv1.1/cpref/html/frlrfSystemTypeClassTopic.htm">Type</a> of the current instance.
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</td></tr>
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<tr VALIGN="top"><td width="50%"><img src="pubmethod.gif"></img><a href="Aveva.Pdms.Database.DbExpression.ToString.html">ToString</a></td><td width="50%"> Gets textual representation of Expression. </td></tr></table>
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<h4 class="dtH4">See Also</h4>
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<p>
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<a href="Aveva.Pdms.Database.DbExpression.html">DbExpression Class</a> | <a href="Aveva.Pdms.Database.html">Aveva.Pdms.Database Namespace</a></p>
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<div id="footer">©AVEVA Solutions Ltd 2007</div>
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