增加test13_17.cpp

eagle51 · Jun 11, 2016 · 5d01acf · 5d01acf
1 parent 6e5ec08
commit 5d01acf
Show file tree

Hide file tree

Showing 3 changed files with 37 additions and 10 deletions.
diff --git a/unit13/test13_17.cpp b/unit13/test13_17.cpp
@@ -0,0 +1,35 @@
+#include <iostream>
+using namespace std;
+class numbered {
+public:
+	numbered(numbered &){
+		mysn = seq++;
+	}
+	numbered() {
+		mysn = seq++;
+	}
+	int mysn;
+private:
+	static int seq;		//声明静态成员
+};
+int numbered::seq = 0;	//定义并初始化静态成员（静态成员一般必须在类内声明，类外定义和初始化）
+void f(numbered s)
+{
+	cout << s.mysn << endl;
+}
+
+void f1(const numbered &s)
+{
+	cout << s.mysn << endl;
+}
+
+int main()
+{
+	numbered a, b = a, c = b;
+	f(a);f(b);f(c);
+	f1(a);f1(b);f1(c);
+	system("pause");
+	return 0;
+}
+//2016年6月11日16:18:58
+//实验室
diff --git a/unit13/unit13.vcxproj b/unit13/unit13.vcxproj
@@ -110,10 +110,7 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="test13_13.cpp" />
-  </ItemGroup>
-  <ItemGroup>
-    <ClInclude Include="myHasPtr.h" />
+    <ClCompile Include="test13_17.cpp" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">

diff --git a/unit13/unit13.vcxproj.filters b/unit13/unit13.vcxproj.filters
@@ -15,12 +15,7 @@
     </Filter>
   </ItemGroup>
   <ItemGroup>
-    <ClInclude Include="myHasPtr.h">
-      <Filter>头文件</Filter>
-    </ClInclude>
-  </ItemGroup>
-  <ItemGroup>
-    <ClCompile Include="test13_13.cpp">
+    <ClCompile Include="test13_17.cpp">
       <Filter>源文件</Filter>
     </ClCompile>
   </ItemGroup>