update src/findresultwin.cpp.

Item.model()->index(i, 0, Item)代替Item.child(i, 0)

消除警告，更新用法。

src/findresultwin.cpp

@@ -1,4 +1,4 @@
-#include "findresultwin.h"
+#include "findresultwin.h"
 #include "findwin.h"
 #include "common.h"
 #include "styleset.h"
@@ -208,12 +208,12 @@ void FindResultWin::slot_selectAll()
 		//遍历下面的子节点
 		int i = 0;
 		QModelIndex childMi;
-		childMi = sectionItem.child(i, 0);
+        childMi = sectionItem.model()->index(i, 0, sectionItem);
 		while (childMi.isValid())
 		{
 			++i;
 			ui.resultTreeView->selectionModel()->select(childMi, QItemSelectionModel::Select);
-			childMi = sectionItem.child(i, 0);
+            childMi = sectionItem.model()->index(i, 0, sectionItem);
 		}
 		return i+1;
 	};
@@ -226,12 +226,12 @@ void FindResultWin::slot_selectAll()
 		//遍历根节点下面每一个section
 		{
 			int i = 0;
-			QModelIndex section = rootItem.child(i, 0);
+            QModelIndex section = rootItem.model()->index(i, 0, rootItem);
 			while (section.isValid() && !section.data(ResultItemEditor).isNull())
 			{
 				++i;
 				selectCount += selectSection(section);
-				section = firstRootItem.child(i, 0);
+                section = firstRootItem.model()->index(i, 0, firstRootItem);
 			}
 		}
 
@@ -255,12 +255,12 @@ void FindResultWin::slot_selectSection()
 		//遍历下面的子节点
 		int i = 0;
 		QModelIndex childMi;
-		childMi = sectionItem.child(i, 0);
+        childMi = sectionItem.model()->index(i, 0, sectionItem);
 		while (childMi.isValid())
 		{
 			++i;
 			ui.resultTreeView->selectionModel()->select(childMi, QItemSelectionModel::Select);
-			childMi = sectionItem.child(i, 0);
+			childMi = sectionItem.model()->index(i, 0, sectionItem);
 		}
 		return i+1;
 	};