📄 关键字static总结之一.htm
字号:
style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN
lang=EN-US><FONT size=3><SPAN style="mso-spacerun: yes">
</SPAN>++c;</FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN
lang=EN-US><FONT size=3><SPAN style="mso-spacerun: yes">
</SPAN>cout << "a="<< a <<endl;</FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN
lang=EN-US><FONT size=3><SPAN style="mso-spacerun: yes">
</SPAN>cout << "c="<< c <<endl;</FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN
lang=EN-US><FONT size=3>}</FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN
lang=EN-US><o:p><FONT size=3> </FONT></o:p></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN
lang=EN-US><FONT size=3>int main()</FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN
lang=EN-US><FONT size=3>{</FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><FONT size=3><SPAN
lang=EN-US><SPAN
style="mso-spacerun: yes">
</SPAN>foo(false);<SPAN style="mso-spacerun: yes">
</SPAN>//</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">变量，</SPAN><SPAN
lang=EN-US>a,c</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">初始化化并加</SPAN><SPAN
lang=EN-US>1</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">，所以</SPAN><SPAN
lang=EN-US>a=1,c=1,</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">此是</SPAN><SPAN
lang=EN-US>b</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">并没有初始化</SPAN></FONT></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><FONT size=3><SPAN
lang=EN-US><SPAN
style="mso-spacerun: yes">
</SPAN>//</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">和分配空间</SPAN><SPAN
lang=EN-US>,</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">函数调用完全</SPAN><SPAN
lang=EN-US>c</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">的空间被回收，</SPAN><SPAN
lang=EN-US>a</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">由于是静态变量，</SPAN></FONT></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><FONT size=3><SPAN
lang=EN-US><SPAN
style="mso-spacerun: yes">
</SPAN>//</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">所以并没有回收</SPAN><SPAN
lang=EN-US>.</SPAN></FONT></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN
lang=EN-US><FONT size=3><SPAN
style="mso-spacerun: yes"> </SPAN>cout
<< "-----------------" <<endl;</FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><FONT size=3><SPAN
lang=EN-US><SPAN
style="mso-spacerun: yes">
</SPAN>foo(true);<SPAN style="mso-spacerun: yes">
</SPAN>//</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">变量</SPAN><SPAN
lang=EN-US>a</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">在上次调用的状态上加</SPAN><SPAN
lang=EN-US>1,</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">所以</SPAN><SPAN
lang=EN-US>a=2,c</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">重新初始分配空间并加</SPAN><SPAN
lang=EN-US>1</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">，
<P id=weilimoqottisuhdhp>=N络中jq+Yn软专网jTDZ中网</P></SPAN></FONT>
<P></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><FONT size=3><SPAN
lang=EN-US><SPAN
style="mso-spacerun: yes">
</SPAN>//</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">所以</SPAN><SPAN
lang=EN-US>c=1,</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">变量</SPAN><SPAN
lang=EN-US>b</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">初始化并分配空间后加</SPAN><SPAN
lang=EN-US>1</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">，
<DIV id=utgcsacldkqspbaea>3,~*育)VA9JLaC@W5j</DIV>所以</SPAN><SPAN
lang=EN-US>b=1.</SPAN></FONT>
<P></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN
lang=EN-US><FONT size=3><SPAN
style="mso-spacerun: yes"> </SPAN>cout
<< "-----------------" <<endl;</FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><FONT size=3><SPAN
lang=EN-US><SPAN
style="mso-spacerun: yes">
</SPAN>foo(false);//</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">变量</SPAN><SPAN
lang=EN-US>a</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">在上次调用的状态上加</SPAN><SPAN
lang=EN-US>1,</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">所以</SPAN><SPAN
lang=EN-US>a=3,c</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">重新初始分配空间并加</SPAN><SPAN
lang=EN-US>1</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">，</SPAN></FONT></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><FONT size=3><SPAN
lang=EN-US><SPAN
style="mso-spacerun: yes">
</SPAN>//</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">所以</SPAN><SPAN
lang=EN-US>c=1,</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">变量</SPAN><SPAN
lang=EN-US>b</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">保自己的状态，
<DIV id=gqpwdhscvwce>|MnW6^的网xpxo</DIV><FONT
id=jpovfgtabcwgvqqopjd>+$络W教M6$的理p供:软D:9TO</FONT>所以</SPAN><SPAN
lang=EN-US>b=1.</SPAN></FONT>
<P></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN
lang=EN-US><FONT size=3><SPAN
style="mso-spacerun: yes"> </SPAN>cout
<< "-----------------" <<endl;</FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><FONT size=3><SPAN
lang=EN-US><SPAN
style="mso-spacerun: yes">
</SPAN>foo(true);//</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">变量</SPAN><SPAN
lang=EN-US>a</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">在上次调用的状态上加</SPAN><SPAN
lang=EN-US>1,</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">所以</SPAN><SPAN
lang=EN-US>a=4,c</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">重新初始分配空间并加</SPAN><SPAN
lang=EN-US>1</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">，</SPAN></FONT></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><FONT size=3><SPAN
lang=EN-US><SPAN
style="mso-spacerun: yes">
</SPAN>//</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">所以</SPAN><SPAN
lang=EN-US>c=1,</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">变量</SPAN><SPAN
lang=EN-US>b</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">在上次调用的状态上加</SPAN><SPAN
lang=EN-US>1</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">，所以</SPAN><SPAN
lang=EN-US>b=2.</SPAN></FONT></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN
lang=EN-US><FONT size=3><SPAN
style="mso-spacerun: yes">
</SPAN>system("PAUSE");</FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN
lang=EN-US><FONT size=3><SPAN
style="mso-spacerun: yes">
</SPAN>return 0;</FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN
lang=EN-US><FONT size=3>}</FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN
lang=EN-US><FONT
size=3>//////////////////////////////////////////////////////////////////</FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN
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