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dtk-core-dconfigbackend.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<!-- dconfig.cpp -->
<title>DConfigBackend Class | Dtk Reference Documentation 1.0.0</title>
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<div class="header" id="qtdocheader">
<div class="main">
<div class="main-rounded">
<div class="navigationbar">
<ul>
<li><a href="index.html">Dtk Doc</a></li>
<li><a href="index.html">Dtk Reference Documentation</a></li>
<li>DConfigBackend</li>
<li id="buildversion"><a href="index.html">Qt 5.15.2 Reference Documentation</a></li>
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<div class="content">
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<div class="content mainContent">
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<div class="toc">
<h3><a name="toc">Contents</a></h3>
<ul>
<li class="level1"><a href="#public-functions">Public Functions</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
</ul>
</div>
<div class="sidebar-content" id="sidebar-content"></div></div>
<h1 class="title">DConfigBackend Class</h1>
<span class="small-subtitle">class <a href="dtk.html">Dtk</a>::<a href="dtk-core.html">Core</a>::DConfigBackend</span>
<!-- $$$DConfigBackend-brief -->
<p>配置后端的抽象接口. <a href="#details">More...</a></p>
<!-- @@@DConfigBackend -->
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include <DConfigBackend></span>
</td></tr></table></div><ul>
<li><a href="dtk-core-dconfigbackend-members.html">List of all members, including inherited members</a></li>
</ul>
<a name="public-functions"></a>
<h2 id="public-functions">Public Functions</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> virtual bool </td><td class="memItemRight bottomAlign"><b><a href="dtk-core-dconfigbackend.html#isValid">isValid</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QStringList </td><td class="memItemRight bottomAlign"><b><a href="dtk-core-dconfigbackend.html#keyList">keyList</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual bool </td><td class="memItemRight bottomAlign"><b><a href="dtk-core-dconfigbackend.html#load">load</a></b>(<i>const QString &</i>) = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QString </td><td class="memItemRight bottomAlign"><b><a href="dtk-core-dconfigbackend.html#name">name</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="dtk-core-dconfigbackend.html#setValue">setValue</a></b>(const QString &<i>key</i>, const QVariant &<i>value</i>) = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QVariant </td><td class="memItemRight bottomAlign"><b><a href="dtk-core-dconfigbackend.html#value">value</a></b>(const QString &<i>key</i>, const QVariant &<i>fallback</i> = QVariant()) const = 0</td></tr>
</table></div>
<a name="details"></a>
<!-- $$$DConfigBackend-description -->
<div class="descr">
<h2 id="details">Detailed Description</h2>
<p>所有DConfig使用的配置后端都继承此类,用户可以继承此类实现自己的配置后端.</p>
</div>
<!-- @@@DConfigBackend -->
<div class="func">
<h2>Member Function Documentation</h2>
<!-- $$$isValid[overload1]$$$isValid -->
<h3 class="fn" id="isValid"><a name="isValid"></a><code>[pure virtual] </code><span class="type">bool</span> DConfigBackend::<span class="name">isValid</span>() const</h3>
<p><b>See also </b>DConfig::isValid().</p>
<!-- @@@isValid -->
<!-- $$$keyList[overload1]$$$keyList -->
<h3 class="fn" id="keyList"><a name="keyList"></a><code>[pure virtual] </code><span class="type"><a href="http://doc.qt.io/qt-5/qstringlist.html">QStringList</a></span> DConfigBackend::<span class="name">keyList</span>() const</h3>
<p><b>See also </b>DConfig::keyList().</p>
<!-- @@@keyList -->
<!-- $$$load[overload1]$$$loadconstQString& -->
<h3 class="fn" id="load"><a name="load"></a><code>[pure virtual] </code><span class="type">bool</span> DConfigBackend::<span class="name">load</span>(<i>const QString &</i>)</h3>
<p>初始化后端</p>
<p><i>appid</i> 管理的配置信息key值，默认为应用程序名称</p>
<!-- @@@load -->
<!-- $$$name[overload1]$$$name -->
<h3 class="fn" id="name"><a name="name"></a><code>[virtual] </code><span class="type"><a href="http://doc.qt.io/qt-5/qstring.html">QString</a></span> DConfigBackend::<span class="name">name</span>() const</h3>
<p>后端配置的唯一标识</p>
<!-- @@@name -->
<!-- $$$setValue[overload1]$$$setValueconstQString&constQVariant& -->
<h3 class="fn" id="setValue"><a name="setValue"></a><code>[pure virtual] </code><span class="type">void</span> DConfigBackend::<span class="name">setValue</span>(const <span class="type"><a href="http://doc.qt.io/qt-5/qstring.html">QString</a></span> &<i>key</i>, const <span class="type"><a href="http://doc.qt.io/qt-5/qvariant.html">QVariant</a></span> &<i>value</i>)</h3>
<p><b>See also </b><a href="dtk-core-dconfigbackend.html#value">value</a>() and DConfig::setValue().</p>
<!-- @@@setValue -->
<!-- $$$value[overload1]$$$valueconstQString&constQVariant& -->
<h3 class="fn" id="value"><a name="value"></a><code>[pure virtual] </code><span class="type"><a href="http://doc.qt.io/qt-5/qvariant.html">QVariant</a></span> DConfigBackend::<span class="name">value</span>(const <span class="type"><a href="http://doc.qt.io/qt-5/qstring.html">QString</a></span> &<i>key</i>, const <span class="type"><a href="http://doc.qt.io/qt-5/qvariant.html">QVariant</a></span> &<i>fallback</i> = QVariant()) const</h3>
<p><b>See also </b><a href="dtk-core-dconfigbackend.html#setValue">setValue</a>() and DConfig::value().</p>
<!-- @@@value -->
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