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item&#xff09;\u5c31\u662f\u9876\u5c42\u9879&#xff1b;\u5f53\u6570\u636e\u6a21\u578b\u662f\u6811\u72b6\u7ed3\u6784\u65f6&#xff0c;\u60c5\u51b5\u6bd4\u8f83\u590d\u6742&#xff08;\u6811\u72b6\u7ed3\u6784\u4e2d&#xff0c;\u9879\u4e00\u822c\u4e60\u60ef\u4e8e\u79f0\u4e3a\u8282\u70b9&#xff09;&#xff0c;\u4e00\u4e2a\u8282\u70b9\u53ef\u4ee5\u6709\u7236\u8282\u70b9&#xff0c;\u4e5f\u53ef\u4ee5\u662f\u5176\u4ed6\u8282\u70b9\u7684\u7236\u8282\u70b9&#xff0c;\u5728\u6784\u9020\u6570\u636e\u9879\u7684\u6a21\u578b\u7d22\u5f15\u65f6&#xff0c;\u5fc5\u987b\u6307\u5b9a\u6b63\u786e\u7684\u884c\u53f7\u3001\u5217\u53f7\u548c\u7236\u8282\u70b9\u3002<\/p>\n<p>\u5bf9\u4e8e\u539f\u4e66\u7684\u56fe5-4\u4e2d\u7684\u6811\u72b6\u6570\u636e\u6a21\u578b&#xff0c;\u8282\u70b9A\u548c\u8282\u70b9C\u7684\u7236\u8282\u70b9\u662f\u9876\u5c42\u8282\u70b9&#xff0c;\u83b7\u53d6\u6a21\u578b\u7d22\u5f15\u7684\u4ee3\u7801\u662f&#xff1a;<\/p>\n<p>QModelIndex indexA &#061; model-&gt;index(0, 0, QModelIndex());<br \/>\nQModelIndex indexC &#061; 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1)<\/p>\n<p>\u5176\u4e2d&#xff0c;value\u662f\u9700\u8981\u8bbe\u7f6e\u7684\u6570\u636e&#xff0c;role\u662f\u8bbe\u7f6e\u6570\u636e\u7684\u89d2\u8272\u3002\u4e00\u4e2a\u9879\u53ef\u4ee5\u6709\u4e0d\u540c\u89d2\u8272\u7684\u6570\u636e&#xff0c;\u7528\u4e8e\u4e0d\u540c\u7684\u573a\u5408\u3002<\/p>\n<p>role\u662fQt::ItemDataRole\u679a\u4e3e\u7c7b\u578b&#xff0c;\u6709\u591a\u79cd\u53d6\u503c&#xff0c;\u5982Qt::DisplayRole \u89d2\u8272\u662f\u5728\u89c6\u56fe\u7ec4\u4ef6\u4e2d\u663e\u793a\u7684\u5b57\u7b26\u4e32&#xff0c;Qt::ToolTipRole\u662f\u9f20\u6807\u63d0\u793a\u6d88\u606f&#xff0c;Qt::UserRole\u53ef\u4ee5\u81ea\u5b9a\u4e49\u6570\u636e\u3002\u9879\u7684\u6807\u51c6\u89d2\u8272\u662fQt::DisplayRole\u3002<\/p>\n<p>\u5728\u83b7\u53d6\u4e00\u4e2a\u9879\u7684\u6570\u636e\u65f6\u4e5f\u9700\u8981\u6307\u5b9a\u89d2\u8272&#xff0c;\u4ee5\u83b7\u53d6\u4e0d\u540c\u89d2\u8272\u7684\u6570\u636e\u3002<\/p>\n<p>QVariant QStandardItem::data(int role &#061; Qt::UserRole &#043; 1) const<\/p>\n<p>\u4e3a\u4e00\u4e2a\u9879\u7684\u4e0d\u540c\u89d2\u8272\u5b9a\u4e49\u6570\u636e&#xff0c;\u53ef\u4ee5\u544a\u77e5\u89c6\u56fe\u7ec4\u4ef6\u548c\u4ee3\u7406\u7ec4\u4ef6\u5982\u4f55\u663e\u793a\u6570\u636e\u3002\u4f8b\u5982&#xff0c;\u5728\u539f\u4e66\u7684\u56fe5-5\u4e2d&#xff0c;\u9879\u7684DisplayRole\u6570\u636e\u662f\u663e\u793a\u7684\u5b57\u7b26\u4e32&#xff0c;DecorationRole\u662f\u7528\u4e8e\u88c5\u9970\u663e\u793a\u7684\u5c5e\u6027&#xff0c;ToolTipRole\u5b9a\u4e49\u4e86\u9f20\u6807\u63d0\u793a\u4fe1\u606f\u3002\u4e0d\u540c\u7684\u89c6\u56fe\u7ec4\u4ef6\u5bf9\u5404\u79cd\u89d2\u8272\u6570\u636e\u7684\u89e3\u91ca\u548c\u663e\u793a\u53ef\u80fd\u4e0d\u4e00\u6837&#xff0c;\u4e5f\u53ef\u80fd\u5ffd\u7565\u67d0\u4e9b\u89d2\u8272\u7684\u6570\u636e\u3002<\/p>\n<p>\u7b2c4\u7ae0\u5df2\u7ecf\u4ecb\u7ecd\u4e86\u4fbf\u5229\u7c7bQListWidget\u3001QTree Widget\u548cQTableWidget\u7684\u4f7f\u7528&#xff0c;\u672c\u7ae0\u5c06\u4ecb\u7ecdModel\/ View\u7ed3\u6784\u7684\u57fa\u672c\u7528\u6cd5&#xff0c;\u5305\u62ecQt\u9884\u5b9a\u4e49\u7684Qstring ListModel\u3001QFileSystemModel\u3001QStandardItemModel\u4ee5\u53ca\u89c6\u56fe\u7ec4\u4ef6QListView\u3001QTableView\u3001QTreeView\u7684\u4f7f\u7528&#xff0c;\u8fd8\u4ecb\u7ecd\u5982\u4f55\u8bbe\u8ba1\u548c\u4f7f\u7528\u81ea\u5b9a\u4e49\u4ee3\u7406\u3002\u6d89\u53ca\u6570\u636e\u5e93\u7684Model\/View\u7684\u4f7f\u7528\u5c06\u5728\u6570\u636e\u5e93\u4e00\u7ae0\u5355\u72ec\u4ecb\u7ecd\u3002<\/p>\n<h3>5.2\u3000QFileSystemModel<\/h3>\n<h4>5.2.1\u3000QFileSystemModel\u7c7b\u7684\u57fa\u672c\u529f\u80fd<\/h4>\n<p>QFileSystemModel\u63d0\u4f9b\u4e86\u4e00\u4e2a\u53ef\u7528\u4e8e\u8bbf\u95ee\u672c\u673a\u6587\u4ef6\u7cfb\u7edf\u7684\u6570\u636e\u6a21\u578b\u3002QFileSystemModel\u548c\u89c6\u56fe\u7ec4\u4ef6QTreeView\u7ed3\u5408\u4f7f\u7528&#xff0c;\u53ef\u4ee5\u7528\u76ee\u5f55\u6811\u7684\u5f62\u5f0f\u663e\u793a\u672c\u673a\u4e0a\u7684\u6587\u4ef6\u7cfb\u7edf&#xff0c;\u5982\u540cWindows\u7684\u8d44\u6e90\u7ba1\u7406\u5668\u4e00\u6837\u3002\u4f7f\u7528QFileSystemModel\u63d0\u4f9b\u7684\u63a5\u53e3\u51fd\u6570&#xff0c;\u53ef\u4ee5\u521b\u5efa\u76ee\u5f55\u3001\u5220\u9664\u76ee\u5f55\u3001\u91cd\u547d\u540d\u76ee\u5f55&#xff0c;\u53ef\u4ee5\u83b7\u5f97\u6587\u4ef6\u540d\u79f0\u3001\u76ee\u5f55\u540d\u79f0\u3001\u6587\u4ef6\u5927\u5c0f\u7b49\u53c2\u6570&#xff0c;\u8fd8\u53ef\u4ee5\u83b7\u5f97\u6587\u4ef6\u7684\u8be6\u7ec6\u4fe1\u606f\u3002<\/p>\n<p>\u8981\u901a\u8fc7QFileSystemModel\u83b7\u5f97\u672c\u673a\u7684\u6587\u4ef6\u7cfb\u7edf&#xff0c;\u9700\u8981\u7528setRootPath()\u51fd\u6570\u4e3aQFileSystemModel\u8bbe\u7f6e\u4e00\u4e2a\u6839\u76ee\u5f55&#xff0c;\u4f8b\u5982&#xff1a;<\/p>\n<p>QFileSystemModel *model &#061; new QFileSystemModel;<br \/>\nmodel-&gt;setRootPath(QDir::currentPath());<\/p>\n<p>\u9759\u6001\u51fd\u6570QDir::currentPath()\u83b7\u53d6\u5e94\u7528\u7a0b\u5e8f\u7684\u5f53\u524d\u8def\u5f84\u3002<\/p>\n<p>\u7528\u4e8e\u83b7\u53d6\u78c1\u76d8\u6587\u4ef6\u76ee\u5f55\u7684\u6570\u636e\u6a21\u578b\u7c7b\u8fd8\u6709\u4e00\u4e2aQDirModel&#xff0c;QDirModel\u7684\u529f\u80fd\u4e0eQFileSystemModel\u7c7b\u4f3c&#xff0c;\u4e5f\u53ef\u4ee5\u83b7\u53d6\u76ee\u5f55\u548c\u6587\u4ef6&#xff0c;\u4f46\u662fQFileSystemModel\u91c7\u7528\u5355\u72ec\u7684\u7ebf\u7a0b\u83b7\u53d6\u76ee\u5f55\u6587\u4ef6\u7ed3\u6784&#xff0c;\u800cQDirModel\u4e0d\u4f7f\u7528\u5355\u72ec\u7684\u7ebf\u7a0b\u3002\u4f7f\u7528\u5355\u72ec\u7684\u7ebf\u7a0b\u5c31\u4e0d\u4f1a\u963b\u788d\u4e3b\u7ebf\u7a0b&#xff0c;\u6240\u4ee5\u63a8\u8350\u4f7f\u7528QFileSystemModel\u3002<\/p>\n<p>\u4f7f\u7528QFileSystemModel\u4f5c\u4e3a\u6570\u636e\u6a21\u578b&#xff0c;QTreeView\u3001QListView\u548cQTableView\u4e3a\u4e3b\u8981\u7ec4\u4ef6\u8bbe\u8ba1\u7684\u5b9e\u4f8bsamp5_1\u8fd0\u884c\u754c\u9762\u5982\u539f\u4e66\u7684\u56fe5-6\u6240\u793a\u3002\u5728TreeView\u4e2d\u4ee5\u76ee\u5f55\u6811\u7684\u5f62\u5f0f\u663e\u793a\u672c\u673a\u7684\u6587\u4ef6\u7cfb\u7edf&#xff0c;\u5355\u51fb\u4e00\u4e2a\u76ee\u5f55\u65f6&#xff0c;\u53f3\u8fb9\u7684ListView\u548cTableView\u663e\u793a\u8be5\u76ee\u5f55\u4e0b\u7684\u76ee\u5f55\u548c\u6587\u4ef6\u3002\u5728TreeView\u4e0a\u5355\u51fb\u4e00\u4e2a\u76ee\u5f55\u6216\u6587\u4ef6\u8282\u70b9\u65f6&#xff0c;\u4e0b\u65b9\u7684\u51e0\u4e2a\u6807\u7b7e\u91cc\u663e\u793a\u5f53\u524d\u8282\u70b9\u7684\u4fe1\u606f\u3002<\/p>\n<h4>5.2.2\u3000QFileSystemModel\u7684\u4f7f\u7528<\/h4>\n<p>\u5b9e\u4f8bsamp5_1\u7684\u4e3b\u7a97\u53e3\u662f\u57fa\u4e8eQMainWindow\u7684&#xff0c;\u5728\u4f7f\u7528UI\u8bbe\u8ba1\u5668\u505a\u53ef\u89c6\u5316\u8bbe\u8ba1\u65f6\u5220\u9664\u4e86\u5de5\u5177\u680f\u548c\u72b6\u6001\u680f\u3002\u4e3b\u7a97\u53e3\u754c\u9762\u5e03\u5c40\u91c7\u7528\u4e86\u4e24\u4e2a\u5206\u5272\u6761\u7684\u8bbe\u8ba1&#xff0c;ListView\u548cTableView\u91c7\u7528\u4e0a\u4e0b\u5206\u5272\u5e03\u5c40&#xff0c;\u7136\u540e\u548c\u5de6\u8fb9\u7684TreeView\u91c7\u7528\u6c34\u5e73\u5206\u5272\u5e03\u5c40&#xff0c;\u6c34\u5e73\u5206\u5272\u5e03\u5c40\u518d\u548c\u4e0b\u65b9\u663e\u793a\u4fe1\u606f\u7684groupBox\u5728\u4e3b\u7a97\u53e3\u5de5\u4f5c\u533a\u6c34\u5e73\u5e03\u5c40\u3002<\/p>\n<p>\u5728\u4e3b\u7a97\u53e3\u7c7b\u4e2d\u5b9a\u4e49\u4e86\u4e00\u4e2aQFileSystemModel\u7c7b\u7684\u6210\u5458\u53d8\u91cfmodel\u3002<\/p>\n<p>QFileSystemModel   *model;<\/p>\n<p>\u4e3b\u7a97\u53e3\u6784\u9020\u51fd\u6570\u8fdb\u884c\u521d\u59cb\u5316&#xff0c;\u4ee3\u7801\u5982\u4e0b&#xff1a;<\/p>\n<p>MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow)<br \/>\n{<br \/>\n   ui-&gt;setupUi(this);<br \/>\n   model&#061;new QFileSystemModel(this);<br \/>\n   model-&gt;setRootPath(QDir::currentPath()); \/\/\u8bbe\u7f6e\u6839\u76ee\u5f55<br \/>\n   ui-&gt;treeView-&gt;setModel(model); \/\/\u8bbe\u7f6e\u6570\u636e\u6a21\u578b<br \/>\n   ui-&gt;listView-&gt;setModel(model); \/\/\u8bbe\u7f6e\u6570\u636e\u6a21\u578b<br \/>\n   ui-&gt;tableView-&gt;setModel(model); \/\/\u8bbe\u7f6e\u6570\u636e\u6a21\u578b<br \/>\n\/\/\u4fe1\u53f7\u4e0e\u69fd\u5173\u8054&#xff0c;treeView\u5355\u51fb\u65f6&#xff0c;\u5176\u76ee\u5f55\u8bbe\u7f6e\u4e3alistView\u548ctableView\u7684\u6839\u8282\u70b9<br \/>\n   connect(ui-&gt;treeView,SIGNAL(clicked(QModelIndex)),<br \/>\n         ui-&gt;listView,SLOT(setRootIndex(QModelIndex)));<br \/>\n   connect(ui-&gt;treeView,SIGNAL(clicked(QModelIndex)),<br \/>\n         ui-&gt;tableView,SLOT(setRootIndex(QModelIndex)));<br \/>\n}<\/p>\n<p>3\u4e2a\u89c6\u56fe\u7ec4\u4ef6\u90fd\u4f7f\u7528setModel()\u51fd\u6570&#xff0c;\u5c06QFileSystemModel\u6570\u636e\u6a21\u578bmodel\u8bbe\u7f6e\u4e3a\u81ea\u5df1\u7684\u6570\u636e\u6a21\u578b\u3002<\/p>\n<p>connect()\u51fd\u6570\u8bbe\u7f6e\u4fe1\u53f7\u4e0e\u69fd\u7684\u5173\u8054&#xff0c;\u5b9e\u73b0\u7684\u529f\u80fd\u662f&#xff1a;\u5728\u5355\u51fbtreeView\u7684\u4e00\u4e2a\u8282\u70b9\u65f6&#xff0c;\u6b64\u8282\u70b9\u5c31\u8bbe\u7f6e\u4e3alistView\u548ctableView\u7684\u6839\u8282\u70b9&#xff0c;\u56e0\u4e3atreeView\u7684clicked(QModelIndex)\u4fe1\u53f7\u4f1a\u4f20\u9012\u4e00\u4e2aQModelIndex\u53d8\u91cf&#xff0c;\u662f\u5f53\u524d\u8282\u70b9\u7684\u6a21\u578b\u7d22\u5f15&#xff0c;\u5c06\u6b64\u6a21\u578b\u7d22\u5f15\u4f20\u9012\u7ed9listView\u548ctableView\u7684\u69fd\u51fd\u6570setRootIndex(QModelIndex)&#xff0c;listView\u548ctableView\u5c31\u4f1a\u663e\u793a\u6b64\u8282\u70b9\u4e0b\u7684\u76ee\u5f55\u548c\u6587\u4ef6\u3002<\/p>\n<p>\u5728treeView\u4e0a\u5355\u51fb\u4e00\u4e2a\u8282\u70b9\u65f6&#xff0c;\u4e0b\u65b9\u7684\u4e00\u4e9b\u6807\u7b7e\u91cc\u4f1a\u663e\u793a\u8282\u70b9\u7684\u4e00\u4e9b\u4fe1\u606f&#xff0c;\u8fd9\u662f\u4e3atreeView\u7684clicked(const QModelIndex &amp;index)\u4fe1\u53f7\u7f16\u5199\u69fd\u51fd\u6570\u5b9e\u73b0\u7684&#xff0c;\u5176\u4ee3\u7801\u5982\u4e0b&#xff1a;<\/p>\n<p>void MainWindow::on_treeView_clicked(const QModelIndex &amp;index)<br \/>\n{<br \/>\n   ui-&gt;chkIsDir-&gt;setChecked(model-&gt;isDir(index)); \/\/\u662f\u5426\u662f\u76ee\u5f55<br \/>\n   ui-&gt;LabPath-&gt;setText(model-&gt;filePath(index));<br \/>\n   ui-&gt;LabType-&gt;setText(model-&gt;type(index));<br \/>\n   ui-&gt;LabFileName-&gt;setText(model-&gt;fileName(index));<br \/>\n   int sz&#061;model-&gt;size(index)\/1024;<br \/>\n   if (sz&lt;1024)<br \/>\n      ui-&gt;LabFileSize-&gt;setText(QString(&#034;%1 KB&#034;).arg(sz));<br \/>\n   else<br \/>\n      ui-&gt;LabFileSize-&gt;setText(QString::asprintf(&#034;%.1f MB&#034;,sz\/1024.0));<br \/>\n}<\/p>\n<p>\u51fd\u6570\u6709\u4e00\u4e2a\u4f20\u9012\u53c2\u6570QModelIndex &amp;index&#xff0c;\u5b83\u662f\u5355\u51fb\u8282\u70b9\u5728\u6570\u636e\u6a21\u578b\u4e2d\u7684\u7d22\u5f15\u3002\u901a\u8fc7\u4f20\u9012\u6765\u7684\u6a21\u578b\u7d22\u5f15index&#xff0c;\u8fd9\u6bb5\u4ee3\u7801\u4f7f\u7528\u4e86QFileSystemModel\u7684\u4e00\u4e9b\u51fd\u6570\u6765\u83b7\u5f97\u8282\u70b9\u7684\u4e00\u4e9b\u53c2\u6570&#xff0c;\u5305\u62ec\u4ee5\u4e0b\u51e0\u79cd\u3002<\/p>\n<ul>\n<li>\n<p>bool isDir(QModelIndex &amp;index)&#xff1a;\u5224\u65ad\u8282\u70b9\u662f\u4e0d\u662f\u4e00\u4e2a\u76ee\u5f55\u3002<\/p>\n<\/li>\n<li>\n<p>QString filePath(QModelIndex &amp;index)&#xff1a;\u8fd4\u56de\u8282\u70b9\u7684\u76ee\u5f55\u540d\u6216\u5e26\u8def\u5f84\u7684\u6587\u4ef6\u540d\u3002<\/p>\n<\/li>\n<li>\n<p>QString fileName(QModelIndex &amp;index)&#xff1a;\u8fd4\u56de\u53bb\u9664\u8def\u5f84\u7684\u6587\u4ef6\u5939\u540d\u79f0\u6216\u6587\u4ef6\u540d\u3002<\/p>\n<\/li>\n<li>\n<p>QString type(QModelIndex &amp;index)&#xff1a;\u8fd4\u56de\u63cf\u8ff0\u8282\u70b9\u7c7b\u578b\u7684\u6587\u5b57&#xff0c;\u5982\u786c\u76d8\u7b26\u662f\u201cDrive\u201d&#xff0c;\u6587\u4ef6\u5939\u662f\u201cFile Folder\u201d&#xff0c;\u6587\u4ef6\u5219\u7528\u5177\u4f53\u7684\u540e\u7f00\u63cf\u8ff0&#xff0c;\u5982\u201ctxt File\u201d\u201cexe File\u201d\u201cpdf File\u201d\u7b49\u3002<\/p>\n<\/li>\n<li>\n<p>qint64 size(QModelIndex &amp;index)&#xff1a;\u5982\u679c\u8282\u70b9\u662f\u6587\u4ef6&#xff0c;\u8fd4\u56de\u6587\u4ef6\u5927\u5c0f\u7684\u5b57\u8282\u6570&#xff1a;\u5982\u679c\u8282\u70b9\u662f\u6587\u4ef6\u5939&#xff0c;\u8fd4\u56de0\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u800cQFileSystemModel\u662f\u5982\u4f55\u83b7\u53d6\u78c1\u76d8\u76ee\u5f55\u6587\u4ef6\u7ed3\u6784\u7684&#xff0c;3\u4e2a\u89c6\u56fe\u7ec4\u4ef6\u662f\u5982\u4f55\u663e\u793a\u8fd9\u4e9b\u6570\u636e\u7684&#xff0c;\u5219\u662f\u5176\u5e95\u5c42\u5b9e\u73b0\u7684\u95ee\u9898\u4e86\u3002<\/p>\n<h3>5.3\u3000QStringListModel<\/h3>\n<h4>5.3.1\u3000QStringListModel\u529f\u80fd\u6982\u8ff0<\/h4>\n<p>QStringListModel\u7528\u4e8e\u5904\u7406\u5b57\u7b26\u4e32\u5217\u8868\u7684\u6570\u636e\u6a21\u578b&#xff0c;\u5b83\u53ef\u4ee5\u4f5c\u4e3aQListView\u7684\u6570\u636e\u6a21\u578b&#xff0c;\u5728\u754c\u9762\u4e0a\u663e\u793a\u548c\u7f16\u8f91\u5b57\u7b26\u4e32\u5217\u8868\u3002<\/p>\n<p>QStringListModel\u7684setStringList()\u51fd\u6570\u53ef\u4ee5\u521d\u59cb\u5316\u6570\u636e\u6a21\u578b\u7684\u5b57\u7b26\u4e32\u5217\u8868\u7684\u5185\u5bb9&#xff0c;stringList()\u51fd\u6570\u8fd4\u56de\u6570\u636e\u6a21\u578b\u5185\u7684\u5b57\u7b26\u4e32\u5217\u8868&#xff0c;\u5728\u5173\u8054\u7684ListView\u7ec4\u4ef6\u91cc\u7f16\u8f91\u4fee\u6539\u6570\u636e\u540e&#xff0c;\u6570\u636e\u90fd\u4f1a\u53ca\u65f6\u66f4\u65b0\u5230\u6570\u636e\u6a21\u578b\u5185\u7684\u5b57\u7b26\u4e32\u5217\u8868\u91cc\u3002<\/p>\n<p>QStringListModel\u63d0\u4f9b\u7f16\u8f91\u548c\u4fee\u6539\u5b57\u7b26\u4e32\u5217\u8868\u6570\u636e\u7684\u51fd\u6570&#xff0c;\u5982insertRows()\u3001removeRows()\u3001setData()\u7b49&#xff0c;\u8fd9\u4e9b\u64cd\u4f5c\u76f4\u63a5\u5f71\u54cd\u6570\u636e\u6a21\u578b\u5185\u90e8\u7684\u5b57\u7b26\u4e32\u5217\u8868&#xff0c;\u5e76\u4e14\u4fee\u6539\u540e\u7684\u6570\u636e\u4f1a\u81ea\u52a8\u5728\u5173\u8054\u7684ListView\u7ec4\u4ef6\u91cc\u5237\u65b0\u663e\u793a\u3002<\/p>\n<p>\u5b9e\u4f8bsamp5_2\u91c7\u7528QStringListModel\u4f5c\u4e3a\u6570\u636e\u6a21\u578b&#xff0c;QListView\u7ec4\u4ef6\u4f5c\u4e3a\u89c6\u56fe\u7ec4\u4ef6&#xff0c;\u6f14\u793a\u4e86QStringListModel\u548cQListView\u6784\u6210Model\/View\u7ed3\u6784\u7f16\u8f91\u5b57\u7b26\u4e32\u5217\u8868\u7684\u529f\u80fd&#xff0c;\u7a0b\u5e8f\u8fd0\u884c\u65f6\u754c\u9762\u5982\u539f\u4e66\u7684\u56fe5-7\u6240\u793a\u3002<\/p>\n<p>\u7a97\u53e3\u5de6\u4fa7\u662f\u5bf9QStringListModel\u7684\u4e00\u4e9b\u64cd\u4f5c&#xff0c;\u53f3\u4fa7\u7684QPlaintextEdit\u7ec4\u4ef6\u663e\u793aQString ListModel:: stringList()\u7684\u5185\u5bb9&#xff0c;\u4ee5\u67e5\u770b\u5176\u662f\u5426\u4e0e\u754c\u9762\u4e0aListView\u7ec4\u4ef6\u663e\u793a\u7684\u5185\u5bb9\u4e00\u81f4\u3002<\/p>\n<h4>5.3.2\u3000QStringListModel\u7684\u4f7f\u7528<\/h4>\n<h5>1&#xff0e;Model\/View\u7ed3\u6784\u5bf9\u8c61\u548c\u7ec4\u4ef6\u521d\u59cb\u5316<\/h5>\n<p>\u5b9e\u4f8bsamp5_2\u7684\u7a97\u53e3\u662f\u4eceQWidget\u7ee7\u627f\u800c\u6765\u7684\u7c7bWidget&#xff0c;\u754c\u9762\u91c7\u7528\u53ef\u89c6\u5316\u8bbe\u8ba1\u3002\u5728Widget\u7c7b\u4e2d\u5b9a\u4e49\u4e00\u4e2aQStringListModel\u7c7b\u7684\u53d8\u91cf&#xff1a;<\/p>\n<p>QStringListModel   *theModel;<\/p>\n<p>\u5728Widget\u7c7b\u7684\u6784\u9020\u51fd\u6570\u4e2d\u8fdb\u884c\u53d8\u91cf\u7684\u521b\u5efa&#xff0c;\u5b8c\u6210\u6570\u636e\u6a21\u578b\u4e0e\u754c\u9762\u89c6\u56fe\u7ec4\u4ef6\u7684\u5173\u8054&#xff0c;\u4e0b\u9762\u662fWidget\u7c7b\u6784\u9020\u51fd\u6570\u7684\u4ee3\u7801&#xff1a;<\/p>\n<p>Widget::Widget(QWidget *parent) :   QWidget(parent),   ui(new Ui::Widget)<br \/>\n{<br \/>\n   ui-&gt;setupUi(this);<br \/>\n   QStringList   theStrList;<br \/>\n   theStrList&lt;&lt;&#034;\u5317\u4eac&#034;&lt;&lt;&#034;\u4e0a\u6d77&#034;&lt;&lt;&#034;\u5929\u6d25&#034;&lt;&lt;&#034;\u6cb3\u5317&#034;&lt;&lt;&#034;\u5c71\u4e1c&#034;&lt;&lt;&#034;\u56db\u5ddd&#034;&lt;&lt;&#034;\u91cd\u5e86&#034;;<br \/>\n   theModel&#061;new QStringListModel(this);<br \/>\n   theModel-&gt;setStringList(theStrList); \/\/\u5bfc\u5165theStrList\u7684\u5185\u5bb9<br \/>\n   ui-&gt;listView-&gt;setModel(theModel); \/\/\u8bbe\u7f6e\u6570\u636e\u6a21\u578b<br \/>\n   ui-&gt;listView-&gt;setEditTriggers(QAbstractItemView::DoubleClicked |<br \/>\n              QAbstractItemView::SelectedClicked);<br \/>\n}<\/p>\n<p>QStringListModel\u7684setStringList()\u51fd\u6570\u5c06\u4e00\u4e2a\u5b57\u7b26\u4e32\u5217\u8868\u7684\u5185\u5bb9\u4f5c\u4e3a\u6570\u636e\u6a21\u578b\u7684\u521d\u59cb\u6570\u636e\u5185\u5bb9\u3002<\/p>\n<p>QListView\u7684setModel()\u51fd\u6570\u4e3a\u754c\u9762\u89c6\u56fe\u7ec4\u4ef6\u8bbe\u7f6e\u4e00\u4e2a\u6570\u636e\u6a21\u578b\u3002<\/p>\n<p>\u7a0b\u5e8f\u8fd0\u884c\u540e&#xff0c;\u754c\u9762\u4e0aListView\u7ec4\u4ef6\u91cc\u5c31\u4f1a\u663e\u793a\u521d\u59cb\u5316\u7684\u5b57\u7b26\u4e32\u5217\u8868\u7684\u5185\u5bb9\u3002<\/p>\n<h5>2&#xff0e;\u7f16\u8f91\u3001\u6dfb\u52a0\u3001\u5220\u9664\u9879\u7684\u64cd\u4f5c<\/h5>\n<ul>\n<li>\u7f16\u8f91\u9879<\/li>\n<\/ul>\n<p>QListView::setEditTriggers()\u51fd\u6570\u8bbe\u7f6eQListView\u7684\u6761\u76ee\u662f\u5426\u53ef\u4ee5\u7f16\u8f91&#xff0c;\u4ee5\u53ca\u5982\u4f55\u8fdb\u5165\u7f16\u8f91\u72b6\u6001&#xff0c;\u51fd\u6570\u7684\u53c2\u6570\u662fQAbstractItemView::EditTrigger\u679a\u4e3e\u7c7b\u578b\u503c\u7684\u7ec4\u5408\u3002\u6784\u9020\u51fd\u6570\u4e2d\u8bbe\u7f6e\u4e3a&#xff1a;<\/p>\n<p>ui-&gt;listView-&gt;setEditTriggers(QAbstractItemView::DoubleClicked |<br \/>\n                  QAbstractItemView::SelectedClicked);<\/p>\n<p>\u8868\u793a\u5728\u53cc\u51fb&#xff0c;\u6216\u9009\u62e9\u5e76\u5355\u51fb\u5217\u8868\u9879\u540e&#xff0c;\u5c31\u8fdb\u5165\u7f16\u8f91\u72b6\u6001\u3002<\/p>\n<p>\u82e5\u8981\u8bbe\u7f6e\u4e3a\u4e0d\u53ef\u7f16\u8f91&#xff0c;\u5219\u53ef\u4ee5\u8bbe\u7f6e\u4e3a&#xff1a;<\/p>\n<p>ui-&gt;listView-&gt;setEditTriggers(QAbstractItemView:: NoEditTriggers);<\/p>\n<ul>\n<li>\u6dfb\u52a0\u9879<\/li>\n<\/ul>\n<p>\u6dfb\u52a0\u9879\u662f\u8981\u5728\u5217\u8868\u7684\u6700\u540e\u6dfb\u52a0\u4e00\u884c&#xff0c;\u754c\u9762\u4e0a\u201c\u6dfb\u52a0\u9879\u201d\u6309\u94ae\u7684\u69fd\u51fd\u6570\u4ee3\u7801\u5982\u4e0b&#xff1a;<\/p>\n<p>void Widget::on_btnListAppend_clicked()<br \/>\n{ \/\/\u6dfb\u52a0\u4e00\u884c<br \/>\n   theModel-&gt;insertRow(theModel-&gt;rowCount()); \/\/\u5728\u5c3e\u90e8\u63d2\u5165\u4e00\u7a7a\u884c<br \/>\n   QModelIndex index&#061;theModel-&gt;index(theModel-&gt;rowCount()-1,0);<br \/>\n   theModel-&gt;setData(index,&#034;new item&#034;,Qt::DisplayRole);<br \/>\n   ui-&gt;listView-&gt;setCurrentIndex(index); \/\/\u8bbe\u7f6e\u5f53\u524d\u9009\u4e2d\u7684\u884c<br \/>\n}<\/p>\n<p>\u5bf9\u6570\u636e\u7684\u64cd\u4f5c\u90fd\u662f\u9488\u5bf9\u6570\u636e\u6a21\u578b\u7684&#xff0c;\u6240\u4ee5&#xff0c;\u63d2\u5165\u4e00\u884c\u4f7f\u7528\u7684\u662fQStringListModel\u7684insertRow (int row)\u51fd\u6570&#xff0c;\u5176\u4e2drow\u662f\u4e00\u4e2a\u884c\u53f7&#xff0c;\u8868\u793a\u5728row\u884c\u4e4b\u524d\u63d2\u5165\u4e00\u884c\u3002\u8981\u5728\u5217\u8868\u7684\u6700\u540e\u63d2\u5165\u4e00\u884c&#xff0c;\u53c2\u6570row\u8bbe\u7f6e\u4e3a\u5217\u8868\u5f53\u524d\u7684\u884c\u6570\u5373\u53ef\u3002<\/p>\n<p>\u8fd9\u6837\u53ea\u662f\u5728\u5217\u8868\u5c3e\u90e8\u6dfb\u52a0\u4e00\u4e2a\u7a7a\u884c&#xff0c;\u6ca1\u6709\u4efb\u4f55\u6587\u5b57\u3002\u4e3a\u4e86\u7ed9\u6dfb\u52a0\u7684\u9879\u8bbe\u7f6e\u4e00\u4e2a\u7f3a\u7701\u7684\u6587\u5b57\u6807\u9898&#xff0c;\u9996\u5148\u8981\u83b7\u5f97\u65b0\u589e\u9879\u7684\u6a21\u578b\u7d22\u5f15&#xff0c;\u5373&#xff1a;<\/p>\n<p>QModelIndex  index&#061;theModel-&gt;index(theModel-&gt;rowCount()-1,0);<\/p>\n<p>QStringListModel\u7684index()\u51fd\u6570\u6839\u636e\u4f20\u9012\u7684\u884c\u53f7\u3001\u5217\u53f7\u3001\u7236\u9879\u7684\u6a21\u578b\u7d22\u5f15\u751f\u6210\u4e00\u4e2a\u6a21\u578b\u7d22\u5f15&#xff0c;\u8fd9\u884c\u4ee3\u7801\u4e3a\u65b0\u589e\u7684\u6700\u540e\u4e00\u4e2a\u9879\u751f\u6210\u4e00\u4e2a\u6a21\u578b\u7d22\u5f15index\u3002<\/p>\n<p>\u4e3a\u65b0\u589e\u7684\u9879\u8bbe\u7f6e\u4e00\u4e2a\u6587\u5b57\u6807\u9898\u201cnew item\u201d&#xff0c;\u4f7f\u7528setData()\u51fd\u6570&#xff0c;\u5e76\u7528\u5230\u524d\u9762\u751f\u6210\u7684\u6a21\u578b\u7d22\u5f15index\u3002\u4ee3\u7801\u5982\u4e0b&#xff1a;<\/p>\n<p>theModel-&gt;setData(index,&#034;new item&#034;,Qt::DisplayRole);<\/p>\n<p>\u5728\u4f7f\u7528setData()\u51fd\u6570\u65f6&#xff0c;\u5fc5\u987b\u6307\u5b9a\u8bbe\u7f6e\u6570\u636e\u7684\u89d2\u8272&#xff0c;\u8fd9\u91cc\u7684\u89d2\u8272\u662fQt::DisplayRole&#xff0c;\u5b83\u662f\u7528\u4e8e\u663e\u793a\u7684\u89d2\u8272&#xff0c;\u5373\u9879\u7684\u6587\u5b57\u6807\u9898\u3002<\/p>\n<ul>\n<li>\u63d2\u5165\u9879<\/li>\n<\/ul>\n<p>\u201c\u63d2\u5165\u9879\u201d\u6309\u94ae\u7684\u529f\u80fd\u662f\u5728\u5217\u8868\u7684\u5f53\u524d\u884c\u524d\u9762\u63d2\u5165\u4e00\u884c&#xff0c;\u5176\u5b9e\u73b0\u4ee3\u7801\u5982\u4e0b&#xff1a;<\/p>\n<p>void Widget::on_btnListInsert_clicked()<br \/>\n{\/\/\u63d2\u5165\u4e00\u884c<br \/>\n   QModelIndex  index&#061;ui-&gt;listView-&gt;currentIndex();<br \/>\n   theModel-&gt;insertRow(index.row());<br \/>\n   theModel-&gt;setData(index,&#034;inserted item&#034;,Qt::DisplayRole);<br \/>\n   ui-&gt;listView-&gt;setCurrentIndex(index);<br \/>\n}<\/p>\n<p>QListView::currentIndex()\u83b7\u5f97\u5f53\u524d\u9879\u7684\u6a21\u578b\u7d22\u5f15index&#xff0c;index.row()\u5219\u8fd4\u56de\u8fd9\u4e2a\u6a21\u578b\u7d22\u5f15\u7684\u884c\u53f7\u3002<\/p>\n<ul>\n<li>\u5220\u9664\u5f53\u524d\u9879<\/li>\n<\/ul>\n<p>\u4f7f\u7528QStringListModel\u7684removeRow()\u51fd\u6570\u5220\u9664\u67d0\u4e00\u884c\u7684\u4ee3\u7801\u5982\u4e0b&#xff1a;<\/p>\n<p>void Widget::on_btnListDelete_clicked()<br \/>\n{\/\/\u5220\u9664\u5f53\u524d\u884c<br \/>\n   QModelIndex   index&#061;ui-&gt;listView-&gt;currentIndex();<br \/>\n   theModel-&gt;removeRow(index.row());<br \/>\n}<\/p>\n<ul>\n<li>\u5220\u9664\u5217\u8868<\/li>\n<\/ul>\n<p>\u5220\u9664\u5217\u8868\u7684\u6240\u6709\u9879\u53ef\u4f7f\u7528QStringListModel\u7684removeRows(int row, int count)\u51fd\u6570&#xff0c;\u5b83\u8868\u793a\u4ece\u884c\u53f7row\u5f00\u59cb\u5220\u9664count\u884c\u3002\u4ee3\u7801\u5982\u4e0b&#xff1a;<\/p>\n<p>void Widget::on_btnListClear_clicked()<br \/>\n{\/\/\u6e05\u9664\u6240\u6709\u9879<br \/>\n   theModel-&gt;removeRows(0,theModel-&gt;rowCount());<br \/>\n}<\/p>\n<h5>3&#xff0e;\u4ee5\u6587\u672c\u663e\u793a\u6570\u636e\u6a21\u578b\u7684\u5185\u5bb9<\/h5>\n<p>\u4ee5\u4e0a\u5728\u5bf9\u754c\u9762\u4e0aListView\u7684\u9879\u8fdb\u884c\u7f16\u8f91\u65f6&#xff0c;\u5b9e\u9645\u64cd\u4f5c\u7684\u90fd\u662f\u5176\u5173\u8054\u7684\u6570\u636e\u6a21\u578btheModel&#xff0c;\u5728\u5bf9\u6570\u636e\u6a21\u578b\u8fdb\u884c\u63d2\u5165\u3001\u6dfb\u52a0\u3001\u5220\u9664\u9879\u64cd\u4f5c\u540e&#xff0c;\u5185\u5bb9\u7acb\u5373\u5728ListView\u4e0a\u663e\u793a\u51fa\u6765&#xff0c;\u8fd9\u662f\u6570\u636e\u6a21\u578b\u4e0e\u89c6\u56fe\u7ec4\u4ef6\u4e4b\u95f4\u4fe1\u53f7\u4e0e\u69fd\u7684\u4f5c\u7528&#xff0c;\u5f53\u6570\u636e\u6a21\u578b\u7684\u5185\u5bb9\u53d1\u751f\u6539\u53d8\u65f6&#xff0c;\u901a\u77e5\u89c6\u56fe\u7ec4\u4ef6\u66f4\u65b0\u663e\u793a\u3002<\/p>\n<p>\u540c\u6837\u7684&#xff0c;\u5f53\u5728ListView\u4e0a\u53cc\u51fb\u4e00\u884c\u8fdb\u5165\u7f16\u8f91\u72b6\u6001&#xff0c;\u4fee\u6539\u4e00\u4e2a\u9879\u7684\u6587\u5b57\u5185\u5bb9\u540e&#xff0c;\u8fd9\u90e8\u5206\u5185\u5bb9\u4e5f\u4fdd\u5b58\u5230\u6570\u636e\u6a21\u578b\u91cc\u4e86&#xff0c;\u8fd9\u5c31\u662f\u539f\u4e66\u7684\u56fe5-1\u6240\u8868\u793a\u7684\u8fc7\u7a0b\u3002<\/p>\n<p>\u90a3\u4e48&#xff0c;\u6570\u636e\u6a21\u578b\u5185\u90e8\u5e94\u8be5\u4fdd\u5b58\u6709\u6700\u65b0\u7684\u6570\u636e\u5185\u5bb9&#xff0c;\u5bf9\u4e8eQStringListModel\u6a21\u578b\u6765\u8bf4&#xff0c;\u901a\u8fc7stringList()\u51fd\u6570\u53ef\u4ee5\u5f97\u5230\u5176\u6700\u65b0\u7684\u6570\u636e\u526f\u672c\u3002\u754c\u9762\u4e0a\u7684\u201c\u663e\u793a\u6570\u636e\u6a21\u578b\u7684StringList\u201d\u6309\u94ae\u83b7\u53d6\u6570\u636e\u6a21\u578b\u7684stringList&#xff0c;\u5e76\u7528\u591a\u884c\u6587\u672c\u7684\u5f62\u5f0f\u663e\u793a\u5176\u5185\u5bb9&#xff0c;\u4ee5\u68c0\u9a8c\u5bf9\u6570\u636e\u6a21\u578b\u4fee\u6539\u6570\u636e&#xff0c;\u7279\u522b\u662f\u5728\u754c\u9762\u4e0a\u4fee\u6539\u5217\u8868\u9879\u7684\u6587\u5b57\u540e&#xff0c;\u5176\u5185\u90e8\u7684\u6570\u636e\u662f\u5426\u540c\u6b65\u66f4\u65b0\u4e86\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u754c\u9762\u4e0a\u7684\u201c\u663e\u793a\u6570\u636e\u6a21\u578b\u7684StringList\u201d\u6309\u94ae\u7684clicked()\u4fe1\u53f7\u7684\u69fd\u51fd\u6570\u4ee3\u7801&#xff0c;\u5b83\u901a\u8fc7\u6570\u636e\u6a21\u578b\u7684stringList()\u51fd\u6570\u83b7\u53d6\u5b57\u7b26\u4e32\u5217\u8868&#xff0c;\u5e76\u5728plainTextEdit\u91cc\u9010\u884c\u663e\u793a&#xff1a;<\/p>\n<p>void Widget::on_btnTextImport_clicked()<br \/>\n{\/\/\u663e\u793a\u6570\u636e\u6a21\u578b\u7684StringList<br \/>\n   QStringList  tmpList&#061;theModel-&gt;stringList();<br \/>\n   ui-&gt;plainTextEdit-&gt;clear();<br \/>\n   for (int i&#061;0; i&lt;tmpList.count();i&#043;&#043;)<br \/>\n      ui-&gt;plainTextEdit-&gt;appendPlainText(tmpList.at(i));<br \/>\n}<\/p>\n<p>\u7a0b\u5e8f\u8fd0\u884c\u65f6&#xff0c;\u65e0\u8bba\u5bf9ListView\u7684\u5217\u8868\u505a\u4e86\u4ec0\u4e48\u7f16\u8f91\u548c\u4fee\u6539&#xff0c;\u5355\u51fb\u201c\u663e\u793a\u6570\u636e\u6a21\u578b\u7684StringList\u201d\u6309\u94ae&#xff0c;\u5728\u6587\u672c\u6846\u91cc\u663e\u793a\u7684\u6587\u5b57\u5185\u5bb9\u4e0eListView\u91cc\u603b\u662f\u5b8c\u5168\u76f8\u540c\u7684&#xff0c;\u8bf4\u660e\u6570\u636e\u6a21\u578b\u7684\u6570\u636e\u4e0e\u754c\u9762\u4e0a\u663e\u793a\u7684\u5185\u5bb9\u662f\u540c\u6b65\u7684\u3002<\/p>\n<h5>4&#xff0e;\u5176\u4ed6\u529f\u80fd<\/h5>\n<p>QListView\u7684clicked()\u4fe1\u53f7\u4f1a\u4f20\u9012\u4e00\u4e2aQModelIndex\u7c7b\u578b\u7684\u53c2\u6570&#xff0c;\u5229\u7528\u8be5\u53c2\u6570&#xff0c;\u53ef\u4ee5\u663e\u793a\u5f53\u524d\u9879\u7684\u6a21\u578b\u7d22\u5f15\u7684\u884c\u548c\u5217\u7684\u4fe1\u606f&#xff0c;\u5b9e\u73b0\u4ee3\u7801\u5982\u4e0b&#xff1a;<\/p>\n<p>void Widget::on_listView_clicked(const QModelIndex &amp;index)<br \/>\n{ \/\/\u663e\u793aQModelIndex\u7684\u884c\u3001\u5217\u53f7<br \/>\n   ui-&gt;LabInfo-&gt;setText(QString::asprintf(&#034;\u5f53\u524d\u6761\u76ee:row&#061;%d, column&#061;%d&#034;,<br \/>\n              index.row(),index.column()));<br \/>\n}<\/p>\n<p>\u5728\u8fd9\u4e2a\u5b9e\u4f8b\u4e2d&#xff0c;\u901a\u8fc7QStringListModel\u548cQListView\u8bf4\u660e\u4e86\u6570\u636e\u6a21\u578b\u4e0e\u89c6\u56fe\u7ec4\u4ef6\u4e4b\u95f4\u6784\u6210Model\/View\u7ed3\u6784\u7684\u57fa\u672c\u539f\u7406\u3002<\/p>\n<p>\u7b2c4\u7ae0\u7684\u5b9e\u4f8bsamp4_7\u4e2d\u91c7\u7528QListWidget\u8bbe\u8ba1\u4e86\u4e00\u4e2a\u5217\u8868\u7f16\u8f91\u5668&#xff0c;\u5bf9\u6bd4\u8fd9\u4e24\u4e2a\u5b9e\u4f8b&#xff0c;\u53ef\u4ee5\u53d1\u73b0\u5982\u4e0b\u4e24\u70b9\u3002<\/p>\n<ul>\n<li>\n<p>\u5728Model\/View\u7ed3\u6784\u4e2d&#xff0c;\u6570\u636e\u6a21\u578b\u4e0e\u89c6\u56fe\u7ec4\u4ef6\u662f\u5206\u79bb\u7684&#xff0c;\u53ef\u4ee5\u76f4\u63a5\u64cd\u4f5c\u6570\u636e\u6a21\u578b\u4ee5\u4fee\u6539\u6570\u636e&#xff0c;\u5728\u89c6\u56fe\u7ec4\u4ef6\u4e2d\u505a\u7684\u4fee\u6539\u4e5f\u4f1a\u81ea\u52a8\u4fdd\u5b58\u5230\u6570\u636e\u6a21\u578b\u91cc\u3002<\/p>\n<\/li>\n<li>\n<p>\u5728\u4f7f\u7528QListWidget\u7684\u4f8b\u5b50\u4e2d&#xff0c;\u6bcf\u4e2a\u5217\u8868\u9879\u662f\u4e00\u4e2aQListWidgetItem\u7c7b\u578b\u7684\u53d8\u91cf&#xff0c;\u4fdd\u5b58\u4e86\u9879\u7684\u5404\u79cd\u6570\u636e&#xff0c;\u6570\u636e\u548c\u663e\u793a\u754c\u9762\u662f\u4e00\u4f53\u7684&#xff0c;\u5bf9\u6570\u636e\u7684\u4fee\u6539\u64cd\u4f5c\u5c31\u662f\u5bf9\u9879\u5173\u8054\u7684\u53d8\u91cf\u7684\u4fee\u6539\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u6240\u4ee5&#xff0c;\u8fd9\u662fModel\/View\u7ed3\u6784\u4e0e\u4fbf\u5229\u7ec4\u4ef6\u4e4b\u95f4\u7684\u4e3b\u8981\u533a\u522b\u3002<\/p>\n<h3>5.4\u3000QStandardItemModel<\/h3>\n<h4>5.4.1\u3000\u529f\u80fd\u6982\u8ff0<\/h4>\n<p>QStandardItemModel\u662f\u6807\u51c6\u7684\u4ee5\u9879\u6570\u636e&#xff08;item data&#xff09;\u4e3a\u57fa\u7840\u7684\u6807\u51c6\u6570\u636e\u6a21\u578b\u7c7b&#xff0c;\u901a\u5e38\u4e0eQTableView\u7ec4\u5408\u6210Model\/View\u7ed3\u6784&#xff0c;\u5b9e\u73b0\u901a\u7528\u7684\u4e8c\u7ef4\u6570\u636e\u7684\u7ba1\u7406\u529f\u80fd\u3002<\/p>\n<p>\u672c\u8282\u4ecb\u7ecdQStandardItemModel\u7684\u4f7f\u7528&#xff0c;\u4e3b\u8981\u7528\u5230\u4ee5\u4e0b3\u4e2a\u7c7b\u3002<\/p>\n<ul>\n<li>\n<p>QStandardItemModel&#xff1a;\u57fa\u4e8e\u9879\u6570\u636e\u7684\u6807\u51c6\u6570\u636e\u6a21\u578b&#xff0c;\u53ef\u4ee5\u5904\u7406\u4e8c\u7ef4\u6570\u636e\u3002\u7ef4\u62a4\u4e00\u4e2a\u4e8c\u7ef4\u7684\u9879\u6570\u636e\u6570\u7ec4&#xff0c;\u6bcf\u4e2a\u9879\u662f\u4e00\u4e2aQStandardItem\u7c7b\u7684\u53d8\u91cf&#xff0c;\u7528\u4e8e\u5b58\u50a8\u9879\u7684\u6570\u636e\u3001\u5b57\u4f53\u683c\u5f0f\u3001\u5bf9\u9f50\u65b9\u5f0f\u7b49\u3002<\/p>\n<\/li>\n<li>\n<p>QTableView&#xff1a;\u4e8c\u7ef4\u6570\u636e\u8868\u89c6\u56fe\u7ec4\u4ef6&#xff0c;\u6709\u591a\u4e2a\u884c\u548c\u591a\u4e2a\u5217&#xff0c;\u6bcf\u4e2a\u57fa\u672c\u663e\u793a\u5355\u5143\u662f\u4e00\u4e2a\u5355\u5143\u683c&#xff0c;\u901a\u8fc7setModel()\u51fd\u6570\u8bbe\u7f6e\u4e00\u4e2aQStandardItemModel\u7c7b\u7684\u6570\u636e\u6a21\u578b\u4e4b\u540e&#xff0c;\u4e00\u4e2a\u5355\u5143\u683c\u663e\u793aQStandardItemModel\u6570\u636e\u6a21\u578b\u4e2d\u7684\u4e00\u4e2a\u9879\u3002<\/p>\n<\/li>\n<li>\n<p>QItemSelectionModel&#xff1a;\u4e00\u4e2a\u7528\u4e8e\u8ddf\u8e2a\u89c6\u56fe\u7ec4\u4ef6\u7684\u5355\u5143\u683c\u9009\u62e9\u72b6\u6001\u7684\u7c7b&#xff0c;\u5f53\u5728QTableView\u9009\u62e9\u67d0\u4e2a\u5355\u5143\u683c&#xff0c;\u6216\u591a\u4e2a\u5355\u5143\u683c\u65f6&#xff0c;\u901a\u8fc7QItemSelectionModel\u53ef\u4ee5\u83b7\u5f97\u9009\u4e2d\u7684\u5355\u5143\u683c\u7684\u6a21\u578b\u7d22\u5f15&#xff0c;\u4e3a\u5355\u5143\u683c\u7684\u9009\u62e9\u64cd\u4f5c\u63d0\u4f9b\u65b9\u4fbf\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u8fd9\u51e0\u4e2a\u7c7b\u4e4b\u95f4\u7684\u5173\u7cfb\u662f&#xff1a;QTableView\u662f\u754c\u9762\u89c6\u56fe\u7ec4\u4ef6&#xff0c;\u5176\u5173\u8054\u7684\u6570\u636e\u6a21\u578b\u662fQStandardItem Model&#xff0c;\u5173\u8054\u7684\u9879\u9009\u62e9\u6a21\u578b\u662fQItemSelectionModel&#xff0c;QStandardItemModel\u7684\u6570\u636e\u7ba1\u7406\u7684\u57fa\u672c\u5355\u5143\u662fQStandardItem\u3002<\/p>\n<p>\u5b9e\u4f8bsamp5_3\u6f14\u793aQStandardItemModel\u7684\u4f7f\u7528&#xff0c;\u5176\u8fd0\u884c\u65f6\u754c\u9762\u5982\u539f\u4e66\u7684\u56fe5-8\u6240\u793a\u3002<\/p>\n<p>\u8be5\u5b9e\u4f8b\u5177\u6709\u5982\u4e0b\u529f\u80fd\u3002<\/p>\n<ul>\n<li>\n<p>\u6253\u5f00\u4e00\u4e2a\u7eaf\u6587\u672c\u6587\u4ef6&#xff0c;\u8be5\u6587\u4ef6\u662f\u89c4\u5219\u7684\u4e8c\u7ef4\u6570\u636e\u6587\u4ef6&#xff0c;\u901a\u8fc7\u5b57\u7b26\u4e32\u5904\u7406\u83b7\u53d6\u8868\u5934\u548c\u5404\u884c\u5404\u5217\u7684\u6570\u636e&#xff0c;\u5bfc\u5165\u5230\u4e00\u4e2aQStandardItemModel\u6570\u636e\u6a21\u578b\u3002<\/p>\n<\/li>\n<li>\n<p>\u7f16\u8f91\u4fee\u6539\u6570\u636e\u6a21\u578b\u7684\u6570\u636e&#xff0c;\u53ef\u4ee5\u63d2\u5165\u884c\u3001\u6dfb\u52a0\u884c\u3001\u5220\u9664\u884c&#xff0c;\u8fd8\u53ef\u4ee5\u5728QTableView\u89c6\u56fe\u7ec4\u4ef6\u4e2d\u76f4\u63a5\u4fee\u6539\u5355\u5143\u683c\u7684\u6570\u636e\u5185\u5bb9\u3002<\/p>\n<\/li>\n<li>\n<p>\u53ef\u4ee5\u8bbe\u7f6e\u6570\u636e\u6a21\u578b\u4e2d\u67d0\u4e2a\u9879\u7684\u4e0d\u540c\u89d2\u8272\u7684\u6570\u636e&#xff0c;\u5305\u62ec\u6587\u5b57\u5bf9\u9f50\u65b9\u5f0f\u3001\u5b57\u4f53\u662f\u5426\u7c97\u4f53\u7b49\u3002<\/p>\n<\/li>\n<li>\n<p>\u901a\u8fc7QItemSelectionModel\u83b7\u53d6\u89c6\u56fe\u7ec4\u4ef6\u4e0a\u7684\u5f53\u524d\u5355\u5143\u683c&#xff0c;\u4ee5\u53ca\u9009\u62e9\u5355\u5143\u683c\u7684\u8303\u56f4&#xff0c;\u5bf9\u9009\u62e9\u7684\u5355\u5143\u683c\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n<\/li>\n<li>\n<p>\u5c06\u6570\u636e\u6a21\u578b\u7684\u6570\u636e\u5185\u5bb9\u663e\u793a\u5230QPlainTextEdit\u7ec4\u4ef6\u91cc&#xff0c;\u663e\u793a\u6570\u636e\u6a21\u578b\u7684\u5185\u5bb9&#xff0c;\u68c0\u9a8c\u89c6\u56fe\u7ec4\u4ef6\u4e0a\u505a\u7684\u4fee\u6539\u662f\u5426\u4e0e\u6570\u636e\u6a21\u578b\u540c\u6b65\u3002<\/p>\n<\/li>\n<li>\n<p>\u5c06\u4fee\u6539\u540e\u7684\u6a21\u578b\u6570\u636e\u53e6\u5b58\u4e3a\u4e00\u4e2a\u6587\u672c\u6587\u4ef6\u3002<\/p>\n<\/li>\n<\/ul>\n<h4>5.4.2\u3000\u754c\u9762\u8bbe\u8ba1\u4e0e\u4e3b\u7a97\u53e3\u7c7b\u5b9a\u4e49<\/h4>\n<p>\u672c\u5b9e\u4f8b\u7684\u4e3b\u7a97\u53e3\u4eceQMainWindow\u7ee7\u627f\u800c\u6765&#xff0c;\u4e2d\u95f4\u7684TableView\u548cPlainTextEdit\u7ec4\u4ef6\u91c7\u7528\u6c34\u5e73\u5206\u5272\u6761\u5e03\u5c40\u3002\u5728Action\u7f16\u8f91\u5668\u4e2d\u521b\u5efa\u5982\u539f\u4e66\u7684\u56fe5-9\u6240\u793a\u7684\u4e00\u4e9bAction&#xff0c;\u5e76\u7531Action\u521b\u5efa\u4e3b\u5de5\u5177\u680f\u4e0a\u7684\u6309\u94ae&#xff0c;\u4e0b\u65b9\u7684\u72b6\u6001\u680f\u8bbe\u7f6e\u4e86\u51e0\u4e2aQLabel\u7ec4\u4ef6&#xff0c;\u663e\u793a\u5f53\u524d\u6587\u4ef6\u540d\u79f0\u3001\u5f53\u524d\u5355\u5143\u683c\u884c\u53f7\u3001\u5217\u53f7&#xff0c;\u4ee5\u53ca\u76f8\u5e94\u5185\u5bb9\u3002<\/p>\n<p>\u4e3b\u7a97\u53e3\u7c7bMainWindow\u91cc\u65b0\u589e\u7684\u5b9a\u4e49\u5982\u4e0b&#xff08;\u7701\u7565\u4e86UI\u8bbe\u8ba1\u5668\u751f\u6210\u7684\u754c\u9762\u7ec4\u4ef6\u7684\u69fd\u51fd\u6570\u7684\u58f0\u660e&#xff09;&#xff1a;<\/p>\n<p>#define    FixedColumnCount   6      \/\/\u6587\u4ef6\u56fa\u5b9a6\u5217<br \/>\nclass MainWindow : public QMainWindow<br \/>\n{<br \/>\n   Q_OBJECT<br \/>\nprivate:<br \/>\n   QLabel  *LabCurFile;              \/\/\u5f53\u524d\u6587\u4ef6<br \/>\n   QLabel  *LabCellPos;              \/\/\u5f53\u524d\u5355\u5143\u683c\u884c\u5217\u53f7<br \/>\n   QLabel  *LabCellText;             \/\/\u5f53\u524d\u5355\u5143\u683c\u5185\u5bb9<br \/>\n   QStandardItemModel  *theModel;    \/\/\u6570\u636e\u6a21\u578b<br \/>\n   QItemSelectionModel *theSelection;\/\/\u9009\u62e9\u6a21\u578b<br \/>\n   void   iniModelFromStringList(QStringList&amp;);\/\/\u4eceStringList\u521d\u59cb\u5316\u6570\u636e\u6a21\u578b<br \/>\npublic:<br \/>\n   explicit MainWindow(QWidget *parent &#061; 0);<br \/>\n   ~MainWindow();<br \/>\nprivate slots:<br \/>\n\/\/\u5f53\u524d\u9009\u62e9\u5355\u5143\u683c\u53d1\u751f\u53d8\u5316<br \/>\n   void on_currentChanged(const QModelIndex &amp;current, const QModelIndex &amp;previous);<br \/>\nprivate:<br \/>\n   Ui::MainWindow *ui;<br \/>\n};<\/p>\n<p>\u8fd9\u91cc\u5b9a\u4e49\u4e86\u6570\u636e\u6a21\u578b\u53d8\u91cftheModel&#xff0c;\u9879\u6570\u636e\u9009\u62e9\u6a21\u578b\u53d8\u91cftheSelection\u3002<\/p>\n<p>\u5b9a\u4e49\u7684\u79c1\u6709\u51fd\u6570iniModelFromStringList()\u7528\u4e8e\u5728\u6253\u5f00\u6587\u4ef6\u65f6&#xff0c;\u4ece\u4e00\u4e2aQStringList\u53d8\u91cf\u7684\u5185\u5bb9\u521b\u5efa\u6570\u636e\u6a21\u578b\u3002<\/p>\n<p>\u81ea\u5b9a\u4e49\u69fd\u51fd\u6570on_currentChanged()\u7528\u4e8e\u5728TableView\u4e0a\u9009\u62e9\u5355\u5143\u683c\u53d1\u751f\u53d8\u5316\u65f6&#xff0c;\u66f4\u65b0\u72b6\u6001\u680f\u7684\u4fe1\u606f\u663e\u793a&#xff0c;\u8fd9\u4e2a\u69fd\u51fd\u6570\u5c06\u4f1a\u4e0e\u9879\u9009\u62e9\u6a21\u578btheSelection\u7684currentChanged()\u4fe1\u53f7\u5173\u8054\u3002<\/p>\n<h4>5.4.3\u3000QStandardItemModel\u7684\u4f7f\u7528<\/h4>\n<h5>1&#xff0e;\u7cfb\u7edf\u521d\u59cb\u5316<\/h5>\n<p>\u5728MainWindow\u7684\u6784\u9020\u51fd\u6570\u4e2d\u8fdb\u884c\u754c\u9762\u521d\u59cb\u5316&#xff0c;\u6570\u636e\u6a21\u578b\u548c\u9009\u62e9\u6a21\u578b\u7684\u521b\u5efa&#xff0c;\u4ee5\u53ca\u4e0e\u89c6\u56fe\u7ec4\u4ef6\u7684\u5173\u8054&#xff0c;\u4fe1\u53f7\u4e0e\u69fd\u7684\u5173\u8054\u7b49\u8bbe\u7f6e&#xff0c;\u4ee3\u7801\u5982\u4e0b&#xff1a;<\/p>\n<p>MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow)<br \/>\n{<br \/>\n   ui-&gt;setupUi(this);<br \/>\n   setCentralWidget(ui-&gt;splitter);<br \/>\n   theModel &#061; new QStandardItemModel(2,FixedColumnCount,this); \/\/\u6570\u636e\u6a21\u578b<br \/>\n   theSelection &#061; new QItemSelectionModel(theModel);\/\/\u9009\u62e9\u6a21\u578b<br \/>\n   connect(theSelection,SIGNAL(currentChanged(QModelIndex,QModelIndex)),<br \/>\n         this,SLOT(on_currentChanged(QModelIndex,QModelIndex)));<br \/>\n   ui-&gt;tableView-&gt;setModel(theModel); \/\/\u8bbe\u7f6e\u6570\u636e\u6a21\u578b<br \/>\n   ui-&gt;tableView-&gt;setSelectionModel(theSelection);\/\/\u8bbe\u7f6e\u9009\u62e9\u6a21\u578b<br \/>\n   ui-&gt;tableView-&gt;setSelectionMode(QAbstractItemView::ExtendedSelection);<br \/>\n   ui-&gt;tableView-&gt;setSelectionBehavior(QAbstractItemView::SelectItems);<br \/>\n\/\/\u521b\u5efa\u72b6\u6001\u680f\u7ec4\u4ef6&#xff0c;\u4ee3\u7801\u7565<br \/>\n}<\/p>\n<p>\u5728\u6784\u9020\u51fd\u6570\u91cc\u9996\u5148\u521b\u5efa\u6570\u636e\u6a21\u578btheModel&#xff0c;\u521b\u5efa\u6570\u636e\u9009\u62e9\u6a21\u578b\u65f6\u9700\u8981\u4f20\u9012\u4e00\u4e2a\u6570\u636e\u6a21\u578b\u53d8\u91cf\u4f5c\u4e3a\u5176\u53c2\u6570\u3002\u8fd9\u6837&#xff0c;\u6570\u636e\u9009\u62e9\u6a21\u578btheSelection\u5c31\u4e0e\u6570\u636e\u6a21\u578btheModel\u5173\u8054&#xff0c;\u7528\u4e8e\u8868\u793atheModel\u7684\u9879\u6570\u636e\u9009\u62e9\u64cd\u4f5c\u3002<\/p>\n<p>\u521b\u5efa\u6570\u636e\u6a21\u578b\u548c\u9009\u62e9\u6a21\u578b\u540e&#xff0c;\u4e3aTableView\u7ec4\u4ef6\u8bbe\u7f6e\u6570\u636e\u6a21\u578b\u548c\u9009\u62e9\u6a21\u578b&#xff1a;<\/p>\n<p>ui-&gt;tableView-&gt;setModel(theModel); \/\/\u8bbe\u7f6e\u6570\u636e\u6a21\u578b<br \/>\nui-&gt;tableView-&gt;setSelectionModel(theSelection);\/\/\u8bbe\u7f6e\u9009\u62e9\u6a21\u578b<\/p>\n<p>\u6784\u9020\u51fd\u6570\u91cc\u8fd8\u5c06\u81ea\u5b9a\u4e49\u7684\u69fd\u51fd\u6570on_currentChanged()\u4e0etheSelection\u7684currentChanged()\u4fe1\u53f7\u5173\u8054&#xff0c;\u7528\u4e8e\u754c\u9762\u4e0atableView\u9009\u62e9\u5355\u5143\u683c\u53d1\u751f\u53d8\u5316\u65f6&#xff0c;\u663e\u793a\u5355\u5143\u683c\u7684\u884c\u53f7\u3001\u5217\u53f7\u3001\u5185\u5bb9\u7b49\u4fe1\u606f&#xff0c;\u69fd\u51fd\u6570\u4ee3\u7801\u5982\u4e0b&#xff1a;<\/p>\n<p>void MainWindow::on_currentChanged(const QModelIndex &amp;current, const QModelIndex &amp;previous)<br \/>\n{ \/\/\u9009\u62e9\u5355\u5143\u683c\u53d8\u5316\u65f6\u7684\u54cd\u5e94<br \/>\n   if (current.isValid())<br \/>\n   {<br \/>\n      LabCellPos-&gt;setText(QString::asprintf(&#034;\u5f53\u524d\u5355\u5143\u683c&#xff1a;%d\u884c&#xff0c;%d\u5217&#034;,<br \/>\n                          current.row(),current.column()));<br \/>\n      QStandardItem*   aItem&#061;theModel-&gt;itemFromIndex(current);<br \/>\n      this-&gt;LabCellText-&gt;setText(&#034;\u5355\u5143\u683c\u5185\u5bb9&#xff1a;&#034;&#043;aItem-&gt;text());<br \/>\n      QFont   font&#061;aItem-&gt;font();<br \/>\n      ui-&gt;actFontBold-&gt;setChecked(font.bold());<br \/>\n   }<br \/>\n}<\/p>\n<h5>2&#xff0e;\u4ece\u6587\u672c\u6587\u4ef6\u5bfc\u5165\u6570\u636e<\/h5>\n<p>QStandardItemModel\u662f\u6807\u51c6\u7684\u57fa\u4e8e\u9879\u6570\u636e\u7684\u6570\u636e\u6a21\u578b&#xff0c;\u4ee5\u7c7b\u4f3c\u4e8e\u4e8c\u7ef4\u6570\u7ec4\u7684\u5f62\u5f0f\u7ba1\u7406\u5185\u90e8\u6570\u636e&#xff0c;\u9002\u5408\u4e8e\u5904\u7406\u8868\u683c\u578b\u6570\u636e&#xff0c;\u5176\u663e\u793a\u4e00\u822c\u91c7\u7528QTableView\u3002<\/p>\n<p>QStandardItemModel\u7684\u6570\u636e\u53ef\u4ee5\u662f\u7a0b\u5e8f\u751f\u6210\u7684\u5185\u5b58\u4e2d\u7684\u6570\u636e&#xff0c;\u4e5f\u53ef\u4ee5\u6765\u6e90\u4e8e\u6587\u4ef6\u3002\u4f8b\u5982&#xff0c;\u5728\u5b9e\u9645\u6570\u636e\u5904\u7406\u4e2d&#xff0c;\u6709\u4e9b\u6570\u636e\u7ecf\u5e38\u662f\u4ee5\u7eaf\u6587\u672c\u683c\u5f0f\u4fdd\u5b58\u7684&#xff0c;\u5b83\u4eec\u6709\u56fa\u5b9a\u7684\u5217\u6570&#xff0c;\u6bcf\u4e00\u5217\u662f\u4e00\u9879\u6570\u636e&#xff0c;\u5b9e\u9645\u6784\u6210\u4e00\u4e2a\u4e8c\u7ef4\u6570\u636e\u8868\u3002\u539f\u4e66\u7684\u56fe5-10\u662f\u672c\u5b9e\u4f8b\u7a0b\u5e8f\u8981\u6253\u5f00\u7684\u4e00\u4e2a\u7eaf\u6587\u672c\u6587\u4ef6\u7684\u5185\u5bb9&#xff0c;\u6587\u4ef6\u7684\u7b2c1\u884c\u662f\u6570\u636e\u5217\u7684\u6587\u5b57\u6807\u9898&#xff0c;\u76f8\u5f53\u4e8e\u6570\u636e\u8868\u7684\u8868\u5934&#xff0c;\u7136\u540e\u4ee5\u884c\u5b58\u50a8\u6570\u636e&#xff0c;\u4ee5TAB\u952e\u95f4\u9694\u6bcf\u5217\u6570\u636e\u3002<\/p>\n<p>\u5f53\u5355\u51fb\u5de5\u5177\u680f\u4e0a\u7684\u201c\u6253\u5f00\u6587\u4ef6\u201d\u6309\u94ae\u65f6&#xff0c;\u9700\u8981\u9009\u62e9\u4e00\u4e2a\u8fd9\u6837\u7684\u6587\u4ef6\u5bfc\u5165\u5230\u6570\u636e\u6a21\u578b&#xff0c;\u5e76\u5728tableView\u4e0a\u8fdb\u884c\u663e\u793a\u548c\u7f16\u8f91\u3002\u56fe5-10\u7684\u6570\u636e\u67096\u5217&#xff0c;\u7b2c1\u5217\u662f\u6574\u6570&#xff0c;\u7b2c2\u81f34\u5217\u662f\u6d6e\u70b9\u6570&#xff0c;\u7b2c5\u5217\u662f\u6587\u5b57&#xff0c;\u7b2c6\u5217\u662f\u903b\u8f91\u578b\u53d8\u91cf&#xff0c;\u201c1\u201d\u8868\u793atrue\u3002<\/p>\n<p>\u4e0b\u9762\u662f\u201c\u6253\u5f00\u6587\u4ef6\u201d\u6309\u94ae\u7684\u69fd\u51fd\u6570\u4ee3\u7801&#xff1a;<\/p>\n<p>void MainWindow::on_actOpen_triggered()<br \/>\n{ \/\/\u6253\u5f00\u6587\u4ef6<br \/>\n   QString  curPath&#061;QCoreApplication::applicationDirPath();<br \/>\n   QString  aFileName&#061;QFileDialog::getOpenFileName(this,&#034;\u6253\u5f00\u4e00\u4e2a\u6587\u4ef6&#034;,<br \/>\n              curPath,&#034;\u4e95\u6570\u636e\u6587\u4ef6(*.txt);;\u6240\u6709\u6587\u4ef6(*.*)&#034;);<br \/>\n   if (aFileName.isEmpty())<br \/>\n      return; <\/p>\n<p>   QStringList fFileContent;<br \/>\n   QFile aFile(aFileName);<br \/>\n   if (aFile.open(QIODevice::ReadOnly | QIODevice::Text)) \/\/\u6253\u5f00\u6587\u4ef6<br \/>\n   {<br \/>\n      QTextStream aStream(&amp;aFile); \/\/\u7528\u6587\u672c\u6d41\u8bfb\u53d6\u6587\u4ef6<br \/>\n      ui-&gt;plainTextEdit-&gt;clear();<br \/>\n      while (!aStream.atEnd())<br \/>\n      {<br \/>\n         QString  str&#061;aStream.readLine();<br \/>\n         ui-&gt;plainTextEdit-&gt;appendPlainText(str);<br \/>\n         fFileContent.append(str);<br \/>\n      }<br \/>\n      aFile.close();<br \/>\n      this-&gt;LabCurFile-&gt;setText(&#034;\u5f53\u524d\u6587\u4ef6&#xff1a;&#034;&#043;aFileName);\/\/\u72b6\u6001\u680f\u663e\u793a<br \/>\n      iniModelFromStringList(fFileContent);\/\/\u521d\u59cb\u5316\u6570\u636e\u6a21\u578b<br \/>\n   }<br \/>\n}<\/p>\n<p>\u8fd9\u6bb5\u4ee3\u7801\u8ba9\u7528\u6237\u9009\u62e9\u6240\u9700\u8981\u6253\u5f00\u7684\u6570\u636e\u6587\u672c\u6587\u4ef6&#xff0c;\u7136\u540e\u7528\u53ea\u8bfb\u548c\u6587\u672c\u683c\u5f0f\u6253\u5f00\u6587\u4ef6&#xff0c;\u9010\u884c\u8bfb\u53d6\u5176\u5185\u5bb9&#xff0c;\u5c06\u6bcf\u884c\u5b57\u7b26\u4e32\u663e\u793a\u5230\u754c\u9762\u4e0a\u7684plainTextEdit\u91cc&#xff0c;\u5e76\u4e14\u6dfb\u52a0\u5230\u4e00\u4e2a\u4e34\u65f6\u7684QStringList\u7c7b\u578b\u7684\u53d8\u91cffFileContent\u91cc\u3002<\/p>\n<p>\u7136\u540e\u8c03\u7528\u81ea\u5b9a\u4e49\u51fd\u6570iniModelFromStringList()&#xff0c;\u7528fFileContent\u7684\u5185\u5bb9\u521d\u59cb\u5316\u6570\u636e\u6a21\u578b\u3002\u4e0b\u9762\u662finiModelFromStringList()\u51fd\u6570\u7684\u4ee3\u7801&#xff1a;<\/p>\n<p>void MainWindow::iniModelFromStringList(QStringList&amp; aFileContent)<br \/>\n{ \/\/\u4ece\u4e00\u4e2aStringList \u83b7\u53d6\u6570\u636e&#xff0c;\u521d\u59cb\u5316\u6570\u636e\u6a21\u578b<br \/>\n   int rowCnt&#061;aFileContent.count(); \/\/\u6587\u672c\u884c\u6570&#xff0c;\u7b2c1\u884c\u662f\u6807\u9898<br \/>\n   theModel-&gt;setRowCount(rowCnt-1);<br \/>\n\/\/\u8bbe\u7f6e\u8868\u5934&#xff0c;\u4e00\u4e2a\u6216\u591a\u4e2a\u7a7a\u683c\u3001TAB\u7b49\u5206\u9694\u7b26\u9694\u5f00\u7684\u5b57\u7b26\u4e32&#xff0c;\u5206\u89e3\u4e3a\u4e00\u4e2aStringList<br \/>\n   QString  header&#061;aFileContent.at(0);\/\/\u7b2c1\u884c\u662f\u8868\u5934<br \/>\n   QStringList  headerList&#061;<br \/>\n         header.split(QRegExp(&#034;\\\\\\\\s&#043;&#034;),QString::SkipEmptyParts);<br \/>\n   theModel-&gt;setHorizontalHeaderLabels(headerList); \/\/\u8bbe\u7f6e\u8868\u5934\u6587\u5b57<br \/>\n\/\/\u8bbe\u7f6e\u8868\u683c\u6570\u636e<br \/>\n   QStandardItem   *aItem;<br \/>\n   QStringList   tmpList;<br \/>\n   int j;<br \/>\n   for (int i&#061;1;i&lt;rowCnt;i&#043;&#043;)<br \/>\n   {<br \/>\n      QString  aLineText&#061;aFileContent.at(i);<br \/>\n      tmpList&#061;aLineText.split(QRegExp(&#034;\\\\\\\\s&#043;&#034;),QString::SkipEmptyParts);<br \/>\n      for (j&#061;0;j&lt;FixedColumnCount-1;j&#043;&#043;)<br \/>\n      { \/\/\u4e0d\u5305\u542b\u6700\u540e\u4e00\u5217<br \/>\n         aItem&#061;new QStandardItem(tmpList.at(j));<br \/>\n         theModel-&gt;setItem(i-1,j,aItem); \/\/\u4e3a\u6a21\u578b\u7684\u67d0\u4e2a\u884c\u5217\u4f4d\u7f6e\u8bbe\u7f6eItem<br \/>\n      }<br \/>\n      aItem&#061;new QStandardItem(headerList.at(j));\/\/\u6700\u540e\u4e00\u5217<br \/>\n      aItem-&gt;setCheckable(true); \/\/\u8bbe\u7f6e\u4e3aCheckable<br \/>\n      if (tmpList.at(j)&#061;&#061;&#034;0&#034;)<br \/>\n         aItem-&gt;setCheckState(Qt::Unchecked);<br \/>\n      else<br \/>\n         aItem-&gt;setCheckState(Qt::Checked);<br \/>\n      theModel-&gt;setItem(i-1,j,aItem);<br \/>\n   }<br \/>\n}<\/p>\n<p>\u4f20\u9012\u6765\u7684\u53c2\u6570aFileContent\u662f\u6587\u672c\u6587\u4ef6\u6240\u6709\u884c\u6784\u6210\u7684StringList&#xff0c;\u6587\u4ef6\u7684\u6bcf\u4e00\u884c\u662faFileContent\u7684\u4e00\u884c\u5b57\u7b26\u4e32&#xff0c;\u7b2c1\u884c\u662f\u8868\u5934\u6587\u5b57&#xff0c;\u6570\u636e\u4ece\u7b2c2\u884c\u5f00\u59cb\u3002<\/p>\n<p>\u7a0b\u5e8f\u9996\u5148\u83b7\u53d6\u5b57\u7b26\u4e32\u5217\u8868\u7684\u884c\u6570&#xff0c;\u7136\u540e\u8bbe\u7f6e\u6570\u636e\u6a21\u578b\u7684\u884c\u6570&#xff0c;\u56e0\u4e3a\u6570\u636e\u6a21\u578b\u7684\u5217\u6570\u5728\u521d\u59cb\u5316\u65f6\u5df2\u7ecf\u8bbe\u7f6e\u4e86\u3002<\/p>\n<p>\u7136\u540e\u83b7\u53d6\u5b57\u7b26\u4e32\u5217\u8868\u7684\u7b2c1\u884c&#xff0c;\u5373\u8868\u5934\u6587\u5b57&#xff0c;\u7528QString::split()\u51fd\u6570\u5206\u5272\u6210\u4e00\u4e2aQStringList&#xff0c;\u8bbe\u7f6e\u4e3a\u6570\u636e\u6a21\u578b\u7684\u8868\u5934\u6807\u9898\u3002<\/p>\n<p>QString::split()\u51fd\u6570\u6839\u636e\u67d0\u4e2a\u7279\u5b9a\u7684\u7b26\u53f7\u5c06\u5b57\u7b26\u4e32\u8fdb\u884c\u5206\u5272\u3002\u4f8b\u5982&#xff0c;header\u662f\u6570\u636e\u5217\u7684\u6807\u9898&#xff0c;\u6bcf\u4e2a\u6807\u9898\u4e4b\u95f4\u901a\u8fc7\u4e00\u4e2a\u6216\u591a\u4e2aTAB\u952e\u5206\u9694&#xff0c;\u5176\u5185\u5bb9\u662f&#xff1a;<\/p>\n<p>\u6d4b\u6df1(m)    \u5782\u6df1(m)     \u65b9\u4f4d(\u00b0)     \u603b\u4f4d\u79fb(m)     \u56fa\u4e95\u8d28\u91cf    \u6d4b\u4e95\u53d6\u6837<\/p>\n<p>\u90a3\u4e48\u901a\u8fc7\u4e0a\u9762\u7684split()\u51fd\u6570\u64cd\u4f5c&#xff0c;\u5f97\u5230\u4e00\u4e2a\u5b57\u7b26\u4e32\u5217\u8868headerList&#xff0c;\u5176\u5185\u5bb9\u662f&#xff1a;<\/p>\n<p>\u6d4b\u6df1(m)<br \/>\n\u5782\u6df1(m)<br \/>\n\u65b9\u4f4d(\u00b0)<br \/>\n\u603b\u4f4d\u79fb(m)<br \/>\n\u56fa\u4e95\u8d28\u91cf<br \/>\n\u6d4b\u4e95\u53d6\u6837<\/p>\n<p>\u4e5f\u5c31\u662f\u5206\u89e3\u4e3a\u4e00\u4e2a6\u884c\u7684StringList\u3002\u7136\u540e\u4f7f\u7528\u6b64\u5b57\u7b26\u4e32\u5217\u8868\u4f5c\u4e3a\u6570\u636e\u6a21\u578b&#xff0c;\u8bbe\u7f6e\u8868\u5934\u6807\u9898\u7684\u51fd\u6570setHorizontalHeaderLabels()\u7684\u53c2\u6570&#xff0c;\u5c31\u53ef\u4ee5\u4e3a\u6570\u636e\u6a21\u578b\u8bbe\u7f6e\u8868\u5934\u4e86\u3002<\/p>\n<p>\u540c\u6837&#xff0c;\u5728\u9010\u884c\u83b7\u53d6\u5b57\u7b26\u4e32\u540e&#xff0c;\u4e5f\u91c7\u7528split()\u51fd\u6570\u8fdb\u884c\u5206\u89e3&#xff0c;\u4e3a\u6bcf\u4e2a\u6570\u636e\u521b\u5efa\u4e00\u4e2aQStandardItem\u7c7b\u578b\u7684\u9879\u6570\u636eaItem&#xff0c;\u5e76\u8d4b\u7ed9\u6570\u636e\u6a21\u578b\u4f5c\u4e3a\u67d0\u884c\u67d0\u5217\u7684\u9879\u6570\u636e\u3002<\/p>\n<p>QStandardItemModel\u4ee5\u4e8c\u7ef4\u8868\u683c\u7684\u5f62\u5f0f\u4fdd\u5b58\u9879\u6570\u636e&#xff0c;\u6bcf\u4e2a\u9879\u6570\u636e\u5bf9\u5e94\u7740QTableView\u7684\u4e00\u4e2a\u5355\u5143\u683c\u3002\u9879\u6570\u636e\u4e0d\u4ec5\u53ef\u4ee5\u5b58\u50a8\u663e\u793a\u7684\u6587\u5b57&#xff0c;\u8fd8\u53ef\u4ee5\u5b58\u50a8\u5176\u4ed6\u89d2\u8272\u7684\u6570\u636e\u3002<\/p>\n<p>\u6570\u636e\u6587\u4ef6\u7684\u6700\u540e\u4e00\u5217\u662f\u4e00\u4e2a\u903b\u8f91\u578b\u6570\u636e&#xff0c;\u5728tableView\u4e0a\u663e\u793a\u65f6\u4e3a\u5176\u63d0\u4f9b\u4e00\u4e2aCheckBox\u7ec4\u4ef6&#xff0c;\u6b64\u529f\u80fd\u901a\u8fc7\u8c03\u7528QStandardItem\u7684setCheckable()\u51fd\u6570\u5b9e\u73b0\u3002<\/p>\n<h5>3&#xff0e;\u6570\u636e\u4fee\u6539<\/h5>\n<p>\u5f53TableView\u8bbe\u7f6e\u4e3a\u53ef\u7f16\u8f91\u65f6&#xff0c;\u53cc\u51fb\u4e00\u4e2a\u5355\u5143\u683c\u53ef\u4ee5\u4fee\u6539\u5176\u5185\u5bb9&#xff0c;\u5bf9\u4e8e\u4f7f\u7528CheckBox\u7684\u5217&#xff0c;\u6539\u53d8CheckBox\u7684\u52fe\u9009\u72b6\u6001&#xff0c;\u5c31\u53ef\u4ee5\u4fee\u6539\u5355\u5143\u683c\u5173\u8054\u9879\u7684\u9009\u62e9\u72b6\u6001\u3002<\/p>\n<p>\u5728\u5b9e\u4f8b\u4e3b\u7a97\u53e3\u5de5\u5177\u680f\u4e0a\u6709\u201c\u6dfb\u52a0\u884c\u201d\u201c\u63d2\u5165\u884c\u201d\u201c\u5220\u9664\u884c\u201d\u6309\u94ae&#xff0c;\u5b83\u4eec\u5b9e\u73b0\u76f8\u5e94\u7684\u7f16\u8f91\u64cd\u4f5c&#xff0c;\u8fd9\u4e9b\u64cd\u4f5c\u90fd\u662f\u76f4\u63a5\u9488\u5bf9\u6570\u636e\u6a21\u578b\u7684&#xff0c;\u6570\u636e\u6a21\u578b\u88ab\u4fee\u6539\u540e&#xff0c;\u4f1a\u76f4\u63a5\u5728TableView\u4e0a\u663e\u793a\u51fa\u6765\u3002<\/p>\n<ul>\n<li>\u6dfb\u52a0\u884c<\/li>\n<\/ul>\n<p>\u201c\u6dfb\u52a0\u884c\u201d\u64cd\u4f5c\u662f\u5728\u6570\u636e\u8868\u7684\u6700\u540e\u6dfb\u52a0\u4e00\u884c&#xff0c;\u5176\u5b9e\u73b0\u4ee3\u7801\u5982\u4e0b&#xff1a;<\/p>\n<p>void MainWindow::on_actAppend_triggered()<br \/>\n{ \/\/\u5728\u8868\u683c\u6700\u540e\u6dfb\u52a0\u884c<br \/>\n   QList&lt;QStandardItem*&gt;  aItemList; \/\/\u5217\u8868\u7c7b<br \/>\n   QStandardItem   *aItem;<br \/>\n   for(int i&#061;0;iheaderData(theModel-&gt;columnCount()-1, Qt::Horizontal, Qt::DisplayRole).toString();<br \/>\n   aItem&#061;new QStandardItem(str); \/\/\u521b\u5efa &#034;\u6d4b\u4e95\u53d6\u6837&#034; Item<br \/>\n   aItem-&gt;setCheckable(true);<br \/>\n   aItemList&lt;insertRow(theModel-&gt;rowCount(),aItemList); \/\/\u63d2\u5165\u4e00\u884c<br \/>\n   QModelIndex curIndex&#061;theModel-&gt;index(theModel-&gt;rowCount()-1,0);<br \/>\n   theSelection-&gt;clearSelection();<br \/>\n   theSelection-&gt;setCurrentIndex(curIndex,QItemSelectionModel::Select);<br \/>\n}<\/p>\n<p>\u4f7f\u7528QStandardItemModel::insertRow()\u51fd\u6570\u63d2\u5165\u4e00\u884c&#xff0c;\u5176\u51fd\u6570\u539f\u578b\u662f&#xff1a;<\/p>\n<p>void insertRow(int row, const QList&lt;QStandardItem *&gt; &amp;items)<\/p>\n<p>\u5176\u4e2d&#xff0c;row\u662f\u4e00\u4e2a\u884c\u53f7&#xff0c;\u8868\u793a\u5728\u6b64\u884c\u53f7\u4e4b\u524d\u63d2\u5165\u4e00\u884c&#xff0c;\u82e5row\u7b49\u4e8e\u6216\u5927\u4e8e\u603b\u884c\u6570&#xff0c;\u5219\u5728\u6700\u540e\u6dfb\u52a0\u4e00\u884c\u3002QList&lt;QStandardItem *&gt; &amp;items \u662f\u4e00\u4e2aQStandardItem\u7c7b\u578b\u7684\u5217\u8868\u7c7b&#xff0c;\u9700\u8981\u4e3a\u63d2\u5165\u7684\u4e00\u884c\u7684\u6bcf\u4e2a\u9879\u6570\u636e\u521b\u5efa\u4e00\u4e2aQStandardItem\u7c7b\u578b\u7684\u9879&#xff0c;\u7136\u540e\u4f20\u9012\u7ed9insertRow()\u51fd\u6570\u3002<\/p>\n<p>\u5728\u8fd9\u6bb5\u7a0b\u5e8f\u4e2d&#xff0c;\u4e3a\u524d5\u5217\u521b\u5efaQStandardItem\u5bf9\u8c61\u65f6&#xff0c;\u90fd\u4f7f\u7528\u6587\u5b57\u201c0\u201d&#xff0c;\u6700\u540e\u4e00\u5217\u4f7f\u7528\u8868\u5934\u7684\u6807\u9898&#xff0c;\u5e76\u8bbe\u7f6e\u4e3aCheckable\u3002\u521b\u5efa\u5b8c\u6bcf\u4e2a\u9879\u6570\u636e\u5bf9\u8c61\u540e&#xff0c;\u4f7f\u7528insertRow()\u51fd\u6570\u5728\u6700\u540e\u6dfb\u52a0\u4e00\u884c\u3002<\/p>\n<ul>\n<li>\u63d2\u5165\u884c<\/li>\n<\/ul>\n<p>\u201c\u63d2\u5165\u884c\u201d\u6309\u94ae\u7684\u529f\u80fd\u662f\u5728\u5f53\u524d\u884c\u7684\u524d\u9762\u63d2\u5165\u4e00\u884c&#xff0c;\u5b9e\u73b0\u4ee3\u7801\u4e0e\u201c\u6dfb\u52a0\u884c\u201d\u7c7b\u4f3c\u3002<\/p>\n<ul>\n<li>\u5220\u9664\u884c<\/li>\n<\/ul>\n<p>\u201c\u5220\u9664\u884c\u201d\u6309\u94ae\u7684\u529f\u80fd\u662f\u5220\u9664\u5f53\u524d\u884c&#xff0c;\u9996\u5148\u4ece\u9009\u62e9\u6a21\u578b\u4e2d\u83b7\u53d6\u5f53\u524d\u5355\u5143\u683c\u7684\u6a21\u578b\u7d22\u5f15&#xff0c;\u7136\u540e\u4ece\u6a21\u578b\u7d22\u5f15\u4e2d\u83b7\u53d6\u884c\u53f7&#xff0c;\u8c03\u7528removeRow(int row)\u5220\u9664\u6307\u5b9a\u7684\u884c\u3002<\/p>\n<p>void MainWindow::on_actDelete_triggered()<br \/>\n{ \/\/\u5220\u9664\u884c<br \/>\n   QModelIndex curIndex&#061;theSelection-&gt;currentIndex();\/\/\u83b7\u53d6\u6a21\u578b\u7d22\u5f15<br \/>\n   if (curIndex.row()&#061;&#061;theModel-&gt;rowCount()-1)\/\/\u6700\u540e\u4e00\u884c<br \/>\n      theModel-&gt;removeRow(curIndex.row()); \/\/\u5220\u9664\u6700\u540e\u4e00\u884c<br \/>\n   else<br \/>\n   {<br \/>\n     theModel-&gt;removeRow(curIndex.row());\/\/\u5220\u9664\u4e00\u884c&#xff0c;\u5e76\u91cd\u65b0\u8bbe\u7f6e\u5f53\u524d\u9009\u62e9\u884c<br \/>\n     theSelection-&gt;setCurrentIndex(curIndex,QItemSelectionModel::Select);<br \/>\n   }<br \/>\n}<\/p>\n<h5>4&#xff0e;\u5355\u5143\u683c\u683c\u5f0f\u8bbe\u7f6e<\/h5>\n<p>\u5de5\u5177\u680f\u4e0a\u67093\u4e2a\u8bbe\u7f6e\u5355\u5143\u683c\u6587\u5b57\u5bf9\u9f50\u65b9\u5f0f\u7684\u6309\u94ae&#xff0c;\u8fd8\u6709\u4e00\u4e2a\u8bbe\u7f6e\u5b57\u4f53\u7c97\u4f53\u7684\u6309\u94ae\u3002\u5f53\u5728TableView\u4e2d\u9009\u62e9\u591a\u4e2a\u5355\u5143\u683c\u65f6&#xff0c;\u53ef\u4ee5\u540c\u65f6\u8bbe\u7f6e\u591a\u4e2a\u5355\u5143\u683c\u7684\u683c\u5f0f\u3002\u4f8b\u5982&#xff0c;\u201c\u5c45\u5de6\u201d\u6309\u94ae\u7684\u4ee3\u7801\u5982\u4e0b&#xff1a;<\/p>\n<p>void MainWindow::on_actAlignLeft_triggered()<br \/>\n{\/\/\u8bbe\u7f6e\u6587\u5b57\u5c45\u5de6\u5bf9\u9f50<br \/>\n   if (!theSelection-&gt;hasSelection())<br \/>\n      return;<br \/>\n\/\/\u83b7\u53d6\u9009\u62e9\u7684\u5355\u5143\u683c\u7684\u6a21\u578b\u7d22\u5f15\u5217\u8868&#xff0c;\u53ef\u4ee5\u662f\u591a\u9009<br \/>\n   QModelIndexList selectedIndex&#061;theSelection-&gt;selectedIndexes();<br \/>\n   for (int i&#061;0;i&lt;selectedIndex.count();i&#043;&#043;)<br \/>\n   {<br \/>\n      QModelIndex  aIndex&#061;selectedIndex.at(i); \/\/\u83b7\u53d6\u4e00\u4e2a\u6a21\u578b\u7d22\u5f15<br \/>\n      QStandardItem*  aItem&#061;theModel-&gt;itemFromIndex(aIndex);<br \/>\n      aItem-&gt;setTextAlignment(Qt::AlignLeft);\/\/\u8bbe\u7f6e\u6587\u5b57\u5bf9\u9f50\u65b9\u5f0f<br \/>\n   }<br \/>\n}<\/p>\n<p>QItemSelectionModel::selectedIndexes()\u51fd\u6570\u8fd4\u56de\u9009\u62e9\u5355\u5143\u683c\u7684\u6a21\u578b\u7d22\u5f15\u5217\u8868&#xff0c;\u7136\u540e\u901a\u8fc7\u6b64\u5217\u8868\u83b7\u53d6\u6bcf\u4e2a\u9009\u62e9\u7684\u5355\u5143\u683c\u7684\u6a21\u578b\u7d22\u5f15&#xff0c;\u518d\u901a\u8fc7\u6a21\u578b\u7d22\u5f15\u83b7\u53d6\u5176\u9879\u6570\u636e&#xff0c;\u7136\u540e\u8c03\u7528QStandardItem::setTextAlignment()\u8bbe\u7f6e\u4e00\u4e2a\u9879\u7684\u5bf9\u9f50\u65b9\u5f0f\u5373\u53ef\u3002<\/p>\n<p>\u201c\u5c45\u4e2d\u201d\u548c\u201c\u5c45\u53f3\u201d\u6309\u94ae\u7684\u4ee3\u7801\u4e0e\u6b64\u7c7b\u4f3c\u3002<\/p>\n<p>\u201c\u7c97\u4f53\u201d\u6309\u94ae\u8bbe\u7f6e\u5355\u5143\u683c\u7684\u5b57\u4f53\u662f\u5426\u4e3a\u7c97\u4f53&#xff0c;\u5728\u9009\u62e9\u5355\u5143\u683c\u65f6&#xff0c;actFontBold\u7684check\u72b6\u6001\u6839\u636e\u5f53\u524d\u5355\u5143\u683c\u7684\u5b57\u4f53\u662f\u5426\u4e3a\u7c97\u4f53\u81ea\u52a8\u66f4\u65b0\u3002actFontBold\u7684triggered(bool)\u7684\u69fd\u51fd\u6570\u4ee3\u7801\u5982\u4e0b&#xff0c;\u4e0e\u8bbe\u7f6e\u5bf9\u9f50\u65b9\u5f0f\u7684\u4ee3\u7801\u64cd\u4f5c\u65b9\u5f0f\u7c7b\u4f3c&#xff1a;<\/p>\n<p>void MainWindow::on_actFontBold_triggered(bool checked)<br \/>\n{\/\/\u8bbe\u7f6e\u5b57\u4f53\u7c97\u4f53<br \/>\n   if (!theSelection-&gt;hasSelection())<br \/>\n      return;<br \/>\n   QModelIndexList selectedIndex&#061;theSelection-&gt;selectedIndexes();<br \/>\n   for (int i&#061;0;i&lt; selectedIndex.count();i&#043;&#043;)<br \/>\n   {<br \/>\n      QModelIndex aIndex&#061; selectedIndex.at(i); \/\/\u83b7\u53d6\u4e00\u4e2a\u6a21\u578b\u7d22\u5f15<br \/>\n      QStandardItem*   aItem&#061;theModel-&gt;itemFromIndex(aIndex);\/\/\u83b7\u53d6\u9879\u6570\u636e<br \/>\n      QFont  font&#061;aItem-&gt;font();<br \/>\n      font.setBold(checked); \/\/\u8bbe\u7f6e\u5b57\u4f53\u662f\u5426\u7c97\u4f53<br \/>\n      aItem-&gt;setFont(font);<br \/>\n   }<br \/>\n}<\/p>\n<h5>5&#xff0e;\u6570\u636e\u53e6\u5b58\u4e3a\u6587\u4ef6<\/h5>\n<p>\u5728\u89c6\u56fe\u7ec4\u4ef6\u4e0a\u5bf9\u6570\u636e\u7684\u4fee\u6539\u90fd\u4f1a\u81ea\u52a8\u66f4\u65b0\u5230\u6570\u636e\u6a21\u578b\u91cc&#xff0c;\u5355\u51fb\u5de5\u5177\u680f\u4e0a\u7684\u201c\u6a21\u578b\u6570\u636e\u9884\u89c8\u201d\u6309\u94ae&#xff0c;\u53ef\u4ee5\u5c06\u6570\u636e\u6a21\u578b\u7684\u6570\u636e\u5185\u5bb9\u663e\u793a\u5230PlainTextEdit\u91cc\u3002<\/p>\n<p>\u6570\u636e\u6a21\u578b\u91cc\u7684\u6570\u636e\u662f\u5728\u5185\u5b58\u4e2d\u7684&#xff0c;\u5de5\u5177\u680f\u4e0a\u7684\u201c\u53e6\u5b58\u6587\u4ef6\u201d\u6309\u94ae\u53ef\u4ee5\u5c06\u6570\u636e\u6a21\u578b\u7684\u6570\u636e\u53e6\u5b58\u4e3a\u4e00\u4e2a\u6570\u636e\u6587\u672c\u6587\u4ef6&#xff0c;\u540c\u65f6\u4e5f\u663e\u793a\u5728PlainTextEdit\u91cc&#xff0c;\u5176\u5b9e\u73b0\u4ee3\u7801\u5982\u4e0b&#xff1a;<\/p>\n<p>void MainWindow::on_actSave_triggered()<br \/>\n{ \/\/\u4fdd\u5b58\u4e3a\u6587\u4ef6<br \/>\n   QString curPath&#061;QCoreApplication::applicationDirPath();<br \/>\n   QString aFileName&#061;QFileDialog::getSaveFileName(this,&#034;\u9009\u62e9\u4e00\u4e2a\u6587\u4ef6&#034;, curPath,&#034;\u4e95\u659c\u6570\u636e\u6587\u4ef6(*.txt);;\u6240\u6709\u6587\u4ef6(*.*)&#034;);<br \/>\n   if (aFileName.isEmpty())<br \/>\n      return;<br \/>\n   QFile aFile(aFileName);<br \/>\n   if (!(aFile.open(QIODevice::ReadWrite | QIODevice::Text | QIODevice::Truncate)))<br \/>\n      return; \/\/\u4ee5\u8bfb\u5199\u3001\u8986\u76d6\u539f\u6709\u5185\u5bb9\u65b9\u5f0f\u6253\u5f00\u6587\u4ef6<\/p>\n<p>   QTextStream aStream(&amp;aFile);<br \/>\n   QStandardItem   *aItem;<br \/>\n   int i,j;<br \/>\n   QString str;<br \/>\n   ui-&gt;plainTextEdit-&gt;clear();<br \/>\n\/\/\u83b7\u53d6\u8868\u5934\u6587\u5b57<br \/>\n   for (i&#061;0;i&lt;theModel-&gt;columnCount();i&#043;&#043;)<br \/>\n   {   aItem&#061;theModel-&gt;horizontalHeaderItem(i); \/\/\u83b7\u53d6\u8868\u5934\u7684\u9879\u6570\u636e<br \/>\n      str&#061;str&#043;aItem-&gt;text()&#043;&#034;\\\\t\\\\t&#034;;  \/\/\u4ee5TAB\u9694\u5f00<br \/>\n   }<br \/>\n   aStream&lt;plainTextEdit-&gt;appendPlainText(str);<br \/>\n\/\/\u83b7\u53d6\u6570\u636e\u533a\u6587\u5b57<br \/>\n   for ( i&#061;0;i&lt;theModel-&gt;rowCount();i&#043;&#043;)<br \/>\n   {   str&#061;&#034;&#034;;<br \/>\n      for( j&#061;0;j&lt;theModel-&gt;columnCount()-1;j&#043;&#043;)<br \/>\n      {   aItem&#061;theModel-&gt;item(i,j);<br \/>\n         str&#061;str&#043;aItem-&gt;text()&#043;QString::asprintf(&#034;\\\\t\\\\t&#034;);<br \/>\n      }<br \/>\n      aItem&#061;theModel-&gt;item(i,j); \/\/\u6700\u540e\u4e00\u5217\u662f\u903b\u8f91\u578b<br \/>\n      if (aItem-&gt;checkState()&#061;&#061;Qt::Checked)<br \/>\n         str&#061;str&#043;&#034;1&#034;;<br \/>\n      else<br \/>\n         str&#061;str&#043;&#034;0&#034;;<br \/>\n       ui-&gt;plainTextEdit-&gt;appendPlainText(str);<br \/>\n       aStream&lt;<\/p>\n<h3>5.5\u3000\u81ea\u5b9a\u4e49\u4ee3\u7406<\/h3>\n<h4>5.5.1\u3000\u81ea\u5b9a\u4e49\u4ee3\u7406\u7684\u529f\u80fd<\/h4>\n<p>\u5728\u524d\u4e00\u8282\u7684\u5b9e\u4f8bsamp5_3\u4e2d&#xff0c;\u5bfc\u5165\u6570\u636e\u6587\u4ef6\u8fdb\u884c\u7f16\u8f91\u65f6&#xff0c;QTableView\u7ec4\u4ef6\u4e3a\u6bcf\u4e2a\u5355\u5143\u683c\u63d0\u4f9b\u7684\u662f\u7f3a\u7701\u7684\u4ee3\u7406\u7f16\u8f91\u7ec4\u4ef6&#xff0c;\u5c31\u662f\u4e00\u4e2aQLineEdit\u7ec4\u4ef6\u3002\u5728\u7f16\u8f91\u6846\u91cc\u53ef\u4ee5\u8f93\u5165\u4efb\u4f55\u6570\u636e&#xff0c;\u6240\u4ee5\u6bd4\u8f83\u901a\u7528\u3002\u4f46\u662f\u6709\u4e9b\u60c5\u51b5\u4e0b&#xff0c;\u5e0c\u671b\u6839\u636e\u6570\u636e\u7684\u7c7b\u578b\u9650\u5b9a\u4f7f\u7528\u4e0d\u540c\u7684\u7f16\u8f91\u7ec4\u4ef6&#xff0c;\u4f8b\u5982\u5728samp5_3\u7684\u5b9e\u4f8b\u7684\u6570\u636e\u4e2d&#xff0c;\u7b2c1\u5217\u201c\u6d4b\u6df1\u201d\u662f\u6574\u6570&#xff0c;\u4f7f\u7528QSpinBox\u4f5c\u4e3a\u7f16\u8f91\u7ec4\u4ef6\u66f4\u5408\u9002&#xff1b;\u201c\u5782\u6df1\u201d\u201c\u65b9\u4f4d\u201d\u201c\u603b\u4f4d\u79fb\u201d\u662f\u6d6e\u70b9\u6570&#xff0c;\u4f7f\u7528QDoubleSpinBox\u66f4\u5408\u9002&#xff1b;\u800c\u201c\u56fa\u4e95\u8d28\u91cf\u201d\u4f7f\u7528\u4e00\u4e2aQComboBox&#xff0c;\u4ece\u4e00\u7ec4\u5217\u8868\u6587\u5b57\u4e2d\u9009\u62e9\u66f4\u5408\u9002\u3002<\/p>\n<p>\u8981\u5b9e\u73b0\u8fd9\u4e9b\u529f\u80fd&#xff0c;\u5c31\u9700\u8981\u4e3aTableView\u7684\u67d0\u5217\u6216\u67d0\u4e2a\u5355\u5143\u683c\u8bbe\u7f6e\u81ea\u5b9a\u4e49\u4ee3\u7406\u7ec4\u4ef6\u3002\u672c\u8282\u5728\u5b9e\u4f8bsamp5_3\u7684\u57fa\u7840\u4e0a&#xff0c;\u4e3aTableView\u589e\u52a0\u81ea\u5b9a\u4e49\u4ee3\u7406\u7ec4\u4ef6\u529f\u80fd\u3002\u8bbe\u5b9a\u81ea\u5b9a\u4e49\u4ee3\u7406\u7ec4\u4ef6\u4e4b\u540e\u7684TableView\u8fd0\u884c\u65f6&#xff0c;\u5176\u7f16\u8f91\u72b6\u6001\u7684\u6548\u679c\u5982\u539f\u4e66\u7684\u56fe5-11\u6240\u793a\u3002<\/p>\n<h4>5.5.2\u3000\u81ea\u5b9a\u4e49\u4ee3\u7406\u7c7b\u7684\u57fa\u672c\u8bbe\u8ba1\u8981\u6c42<\/h4>\n<p>Qt\u4e2d\u6709\u5173\u4ee3\u7406\u7684\u51e0\u4e2a\u7c7b\u7684\u5c42\u6b21\u7ed3\u6784\u5982\u539f\u4e66\u7684\u56fe5-12\u6240\u793a\u3002<\/p>\n<p>QAbstractItemDelegate\u662f\u6240\u6709\u4ee3\u7406\u7c7b\u7684\u62bd\u8c61\u57fa\u7c7b&#xff0c;QStyledItemDelegate\u662f\u89c6\u56fe\u7ec4\u4ef6\u4f7f\u7528\u7684\u7f3a\u7701\u7684\u4ee3\u7406\u7c7b&#xff0c;QItemDelegate\u4e5f\u662f\u7c7b\u4f3c\u529f\u80fd\u7684\u7c7b\u3002QStyledItemDelegate\u4e0eQItemDelegate\u7684\u5dee\u522b\u5728\u4e8e&#xff1a;QStyledItemDelegate\u53ef\u4ee5\u4f7f\u7528\u5f53\u524d\u7684\u6837\u5f0f\u8868\u8bbe\u7f6e\u6765\u7ed8\u5236\u7ec4\u4ef6&#xff0c;\u56e0\u6b64\u5efa\u8bae\u4f7f\u7528QStyledItemDelegate\u4f5c\u4e3a\u81ea\u5b9a\u4e49\u4ee3\u7406\u7ec4\u4ef6\u7684\u57fa\u7c7b\u3002<\/p>\n<p>\u4e0d\u7ba1\u4eceQStyledItemDelegate\u8fd8\u662fQItemDelegate\u7ee7\u627f\u8bbe\u8ba1\u81ea\u5b9a\u4e49\u4ee3\u7406\u7ec4\u4ef6&#xff0c;\u90fd\u5fc5\u987b\u5b9e\u73b0\u5982\u4e0b\u76844\u4e2a\u51fd\u6570&#xff1a;<\/p>\n<ul>\n<li>createEditor()\u51fd\u6570\u521b\u5efa\u7528\u4e8e\u7f16\u8f91\u6a21\u578b\u6570\u636e\u7684widget\u7ec4\u4ef6&#xff0c;\u5982\u4e00\u4e2aQSpinBox\u7ec4\u4ef6&#xff0c;\u6216\u4e00\u4e2aQComboBox\u7ec4\u4ef6&#xff1b;<\/li>\n<li>setEditorData()\u51fd\u6570\u4ece\u6570\u636e\u6a21\u578b\u83b7\u53d6\u6570\u636e&#xff0c;\u4f9bwidget\u7ec4\u4ef6\u8fdb\u884c\u7f16\u8f91&#xff1b;<\/li>\n<li>setModelData()\u5c06widget\u4e0a\u7684\u6570\u636e\u66f4\u65b0\u5230\u6570\u636e\u6a21\u578b&#xff1b;<\/li>\n<li>updateEditorGeometry()\u7528\u4e8e\u7ed9widget\u7ec4\u4ef6\u8bbe\u7f6e\u4e00\u4e2a\u5408\u9002\u7684\u5927\u5c0f\u3002<\/li>\n<\/ul>\n<h4>5.5.3\u3000\u57fa\u4e8eQSpinBox\u7684\u81ea\u5b9a\u4e49\u4ee3\u7406\u7c7b<\/h4>\n<h5>1&#xff0e;\u81ea\u5b9a\u4e49\u4ee3\u7406\u7c7b\u7684\u57fa\u672c\u7ed3\u6784<\/h5>\n<p>\u4e0b\u9762\u8bbe\u8ba1\u4e00\u4e2a\u57fa\u4e8eQSpinBox\u7c7b\u7684\u81ea\u5b9a\u4e49\u4ee3\u7406\u7c7b&#xff0c;\u7528\u4e8e\u201c\u6d4b\u6df1\u201d\u6570\u636e\u5217\u7684\u7f16\u8f91\u3002<\/p>\n<p>\u5728Qt Creator\u91cc\u5355\u51fb\u201cFile\u201d\u2192\u201cNew File or Project\u201d\u83dc\u5355\u9879&#xff0c;\u5728\u51fa\u73b0\u7684\u201cNew File or Project\u201d\u5bf9\u8bdd\u6846\u91cc\u9009\u62e9\u65b0\u5efa\u4e00\u4e2aC&#043;&#043;class\u6587\u4ef6&#xff0c;\u5728\u51fa\u73b0\u7684\u5bf9\u8bdd\u6846\u91cc&#xff0c;\u8f93\u5165\u81ea\u5b9a\u4e49\u7c7b\u7684\u540d\u79f0\u4e3aQWIntSpinDelegate&#xff0c;\u8bbe\u7f6e\u57fa\u7c7b\u4e3aQStyledItemDelegate&#xff0c;\u5355\u51fb\u4e0b\u4e00\u6b65\u540e\u7ed3\u675f\u5411\u5bfc&#xff0c;\u7cfb\u7edf\u4f1a\u81ea\u52a8\u751f\u6210\u5934\u6587\u4ef6\u548c\u6e90\u6587\u4ef6&#xff0c;\u5e76\u6dfb\u52a0\u5230\u9879\u76ee\u91cc\u3002<\/p>\n<p>\u5728\u5934\u6587\u4ef6qwintspindelegate.h\u4e2d\u5305\u542b\u5bf9\u81ea\u5b9a\u4e49\u7c7bQWIntSpinDelegate\u7684\u5b9a\u4e49&#xff0c;\u5728\u5176\u4e2d\u6dfb\u52a04\u4e2a\u9700\u8981\u91cd\u5b9a\u4e49\u7684\u51fd\u6570\u7684\u5b9a\u4e49&#xff0c;qwintspindelegate.h\u7684\u5185\u5bb9\u5982\u4e0b&#xff1a;<\/p>\n<p>#include   &lt;QStyledItemDelegate&gt;<br \/>\nclass QWIntSpinDelegate : public QStyledItemDelegate<br \/>\n{<br \/>\n   Q_OBJECT<br \/>\npublic:<br \/>\n   QWIntSpinDelegate(QObject *parent&#061;0);<br \/>\n\/\/\u81ea\u5b9a\u4e49\u4ee3\u7406\u7ec4\u4ef6\u5fc5\u987b\u7ee7\u627f\u4ee5\u4e0b4\u4e2a\u51fd\u6570<br \/>\n  QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &amp;option,<br \/>\n        const QModelIndex &amp;index) const Q_DECL_OVERRIDE;<br \/>\n  void setEditorData(QWidget *editor,<br \/>\n               const QModelIndex &amp;index)const Q_DECL_OVERRIDE;<br \/>\n   void setModelData(QWidget *editor, QAbstractItemModel *model,<br \/>\n                const QModelIndex &amp;index) const Q_DECL_OVERRIDE;<br \/>\n   void updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem<br \/>\n       &amp;option, const QModelIndex &amp;index) const Q_DECL_OVERRIDE;<br \/>\n};<\/p>\n<p>\u81ea\u5b9a\u4e49\u4ee3\u7406\u7ec4\u4ef6\u5fc5\u987b\u91cd\u65b0\u5b9e\u73b0\u8fd94\u4e2a\u51fd\u6570&#xff0c;\u51fd\u6570\u7684\u539f\u578b\u90fd\u662f\u56fa\u5b9a\u7684\u3002<\/p>\n<h5>2&#xff0e;createEditor()\u51fd\u6570\u7684\u5b9e\u73b0<\/h5>\n<p>createEditor()\u51fd\u6570\u7528\u4e8e\u521b\u5efa\u9700\u8981\u7684\u7f16\u8f91\u7ec4\u4ef6&#xff0c;QWIntSpinDelegate\u7c7b\u5e0c\u671b\u521b\u5efa\u4e00\u4e2aQSpinBox\u4f5c\u4e3a\u7f16\u8f91\u7ec4\u4ef6&#xff0c;\u51fd\u6570\u7684\u5b9e\u73b0\u5982\u4e0b&#xff1a;<\/p>\n<p>QWidget *QWIntSpinDelegate::createEditor(QWidget *parent,<br \/>\n   const QStyleOptionViewItem &amp;option, const QModelIndex &amp;index) const<br \/>\n{ \/\/\u521b\u5efa\u4ee3\u7406\u7f16\u8f91\u7ec4\u4ef6<br \/>\n   QSpinBox *editor &#061; new QSpinBox(parent);<br \/>\n   editor-&gt;setFrame(false); \/\/\u8bbe\u7f6e\u4e3a\u65e0\u8fb9\u6846<br \/>\n   editor-&gt;setMinimum(0);<br \/>\n   editor-&gt;setMaximum(10000);<br \/>\n   return editor;  \/\/\u8fd4\u56de\u6b64\u7f16\u8f91\u5668<br \/>\n}<\/p>\n<p>\u8fd9\u6bb5\u4ee3\u7801\u521b\u5efa\u4e86\u4e00\u4e2aQSpinBox\u7c7b\u578b\u7684\u7f16\u8f91\u5668editor&#xff0c;parent\u6307\u5411\u89c6\u56fe\u7ec4\u4ef6&#xff1b;\u7136\u540e\u5bf9\u521b\u5efa\u7684editor\u505a\u4e00\u4e9b\u8bbe\u7f6e&#xff0c;\u5c06editor\u4f5c\u4e3a\u51fd\u6570\u7684\u8fd4\u56de\u503c\u3002<\/p>\n<h5>3&#xff0e;setEditorData()\u51fd\u6570<\/h5>\n<p>setEditorData()\u51fd\u6570\u7528\u4e8e\u4ece\u6570\u636e\u6a21\u578b\u83b7\u53d6\u6570\u503c&#xff0c;\u8bbe\u7f6e\u4e3a\u7f16\u8f91\u5668\u7684\u663e\u793a\u503c\u3002\u5f53\u53cc\u51fb\u4e00\u4e2a\u5355\u5143\u683c\u8fdb\u5165\u7f16\u8f91\u72b6\u6001\u65f6&#xff0c;\u5c31\u4f1a\u81ea\u52a8\u8c03\u7528\u6b64\u51fd\u6570&#xff0c;\u5176\u5b9e\u73b0\u4ee3\u7801\u5982\u4e0b&#xff1a;<\/p>\n<p>void QWIntSpinDelegate::setEditorData(QWidget *editor, const QModelIndex &amp;index) const<br \/>\n{\/\/\u4ece\u6570\u636e\u6a21\u578b\u83b7\u53d6\u6570\u636e&#xff0c;\u663e\u793a\u5230\u4ee3\u7406\u7ec4\u4ef6\u4e2d<br \/>\n   int value &#061; index.model()-&gt;data(index, Qt::EditRole).toInt();<br \/>\n   QSpinBox *spinBox &#061; static_cast&lt;QSpinBox*&gt;(editor);<br \/>\n   spinBox-&gt;setValue(value);<br \/>\n}<\/p>\n<p>\u51fd\u6570\u4f20\u9012\u6765\u7684\u53c2\u6570editor\u6307\u5411\u4ee3\u7406\u7f16\u8f91\u7ec4\u4ef6&#xff0c;index\u662f\u5173\u8054\u7684\u6570\u636e\u5355\u5143\u7684\u6a21\u578b\u7d22\u5f15\u3002<\/p>\n<p>\u901a\u8fc7\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\u5c06editor\u8f6c\u6362\u4e3aQSpinBox\u7c7b\u578b\u7ec4\u4ef6spinBox&#xff0c;\u7136\u540e\u5c06\u83b7\u53d6\u7684\u6570\u503c\u8bbe\u7f6e\u4e3aspinBox\u7684\u503c\u3002<\/p>\n<h5>4&#xff0e;setModelData()\u51fd\u6570<\/h5>\n<p>setModelData()\u51fd\u6570\u7528\u4e8e\u5c06\u4ee3\u7406\u7f16\u8f91\u5668\u4e0a\u7684\u503c\u66f4\u65b0\u7ed9\u6570\u636e\u6a21\u578b&#xff0c;\u5f53\u7528\u6237\u5728\u754c\u9762\u4e0a\u5b8c\u6210\u7f16\u8f91\u65f6\u4f1a\u81ea\u52a8\u8c03\u7528\u6b64\u51fd\u6570&#xff0c;\u5c06\u754c\u9762\u4e0a\u7684\u6570\u636e\u66f4\u65b0\u5230\u6570\u636e\u6a21\u578b\u3002\u5176\u4ee3\u7801\u5982\u4e0b&#xff1a;<\/p>\n<p>void QWIntSpinDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &amp;index) const<br \/>\n{ \/\/\u5c06\u4ee3\u7406\u7ec4\u4ef6\u7684\u6570\u636e\u4fdd\u5b58\u5230\u6570\u636e\u6a21\u578b\u4e2d<br \/>\n   QSpinBox *spinBox &#061; static_cast&lt;QSpinBox*&gt;(editor);<br \/>\n   spinBox-&gt;interpretText();<br \/>\n   int value &#061; spinBox-&gt;value();<br \/>\n   model-&gt;setData(index, value, Qt::EditRole);<br \/>\n}<\/p>\n<p>\u7a0b\u5e8f\u5148\u83b7\u53d6\u4ee3\u7406\u7ec4\u4ef6\u7f16\u8f91\u5668\u91cc\u7684\u6570\u503c&#xff0c;\u7136\u540e\u5229\u7528\u4f20\u9012\u6765\u7684\u6570\u636e\u6a21\u578bmodel\u548c\u6a21\u578b\u7d22\u5f15\u53c2\u6570index\u5c06\u7f16\u8f91\u5668\u7684\u6700\u65b0\u503c\u66f4\u65b0\u5230\u6570\u636e\u6a21\u578b\u91cc\u3002<\/p>\n<h5>5&#xff0e;updateEditorGeometry()\u51fd\u6570<\/h5>\n<p>updateEditorGeometry()\u51fd\u6570\u7528\u4e8e\u4e3a\u4ee3\u7406\u7ec4\u4ef6\u8bbe\u7f6e\u4e00\u4e2a\u5408\u9002\u7684\u5927\u5c0f&#xff0c;\u51fd\u6570\u4f20\u9012\u7684\u53c2\u6570option\u7684rect\u53d8\u91cf\u5b9a\u4e49\u4e86\u5355\u5143\u683c\u9002\u5408\u663e\u793a\u4ee3\u7406\u7ec4\u4ef6\u7684\u5927\u5c0f&#xff0c;\u76f4\u63a5\u8bbe\u7f6e\u4e3a\u6b64\u503c\u5373\u53ef\u3002\u4ee3\u7801\u5982\u4e0b\u3002<\/p>\n<p>void QWIntSpinDelegate::updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &amp;option, const QModelIndex &amp;index) const<br \/>\n{ 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