📄 华为软件编程规范和范例.htm
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<P class=MsoNormal
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style="FONT-FAMILY: 'Courier New'"> {</SPAN></P>
<P class=MsoNormal
style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'"> ... // program
code</SPAN></P>
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style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'"> }</SPAN></P>
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style="FONT-FAMILY: 'Courier New'"></SPAN> </P>
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align=left><SPAN lang=EN-US style="FONT-FAMILY: 'Courier New'">void
example_fun( void )</SPAN></P>
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style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'"> {</SPAN></P>
<P class=MsoNormal
style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'"> ... // program
code</SPAN></P>
<P class=MsoNormal
style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'"> }</SPAN></P>
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style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'"></SPAN> </P>
<P class=MsoNormal
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align=left><SPAN style="FONT-FAMILY: 宋体">应如下书写。</SPAN></P>
<P class=MsoNormal
style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US style="FONT-FAMILY: 'Courier New'">for (...)
</SPAN></P>
<P class=MsoNormal
style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'">{</SPAN></P>
<P class=MsoNormal
style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'"> ... // program
code</SPAN></P>
<P class=MsoNormal
style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'">}</SPAN></P>
<P class=MsoNormal
style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'"></SPAN> </P>
<P class=MsoNormal
style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US style="FONT-FAMILY: 'Courier New'">if (...)
</SPAN></P>
<P class=MsoNormal
style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'">{</SPAN></P>
<P class=MsoNormal
style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'"> ... // program
code</SPAN></P>
<P class=MsoNormal
style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'">}</SPAN></P>
<P class=MsoNormal
style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'"></SPAN> </P>
<P class=MsoNormal
style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US style="FONT-FAMILY: 'Courier New'">void
example_fun( void )</SPAN></P>
<P class=MsoNormal
style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'">{</SPAN></P>
<P class=MsoNormal
style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'"> ... // program
code</SPAN></P>
<P class=MsoNormal
style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'">}</SPAN></P>
<P class=a3 style="MARGIN-LEFT: 0cm; TEXT-INDENT: 0cm"><SPAN lang=EN-US
style="FONT-FAMILY: 'Times New Roman'">¹</SPAN><SPAN
lang=EN-US>1-11</SPAN><SPAN
style="FONT-FAMILY: 宋体">：在两个以上的关键字、变量、常量进行对等操作时，它们之间的操作符之前、之后或者前后要加空格；进行非对等操作时，如果是关系密切的立即操作符（如－</SPAN><SPAN
lang=EN-US>></SPAN><SPAN style="FONT-FAMILY: 宋体">），后不应加空格。</SPAN></P>
<P class=MsoNormal
style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN
style="FONT-FAMILY: 宋体">说明：采用这种松散方式编写代码的目的是使代码更加清晰。</SPAN></P>
<P class=MsoNormal
style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN
style="FONT-FAMILY: 宋体">由于留空格所产生的清晰性是相对的，所以，在已经非常清晰的语句中没有必要再留空格，如果语句已足够清晰则括号内侧</SPAN><SPAN
lang=EN-US style="FONT-FAMILY: 'Courier New'">(</SPAN><SPAN
style="FONT-FAMILY: 宋体">即左括号后面和右括号前面</SPAN><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'">)</SPAN><SPAN
style="FONT-FAMILY: 宋体">不需要加空格，多重括号间不必加空格，因为在</SPAN><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'">C/C++</SPAN><SPAN
style="FONT-FAMILY: 宋体">语言中括号已经是最清晰的标志了。</SPAN></P>
<P class=MsoNormal
style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN
style="FONT-FAMILY: 宋体">在长语句中，如果需要加的空格非常多，那么应该保持整体清晰，而在局部不加空格。给操作符留空格时不要连续留两个以上空格。</SPAN> </P>
<P class=MsoNormal
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align=left><SPAN style="FONT-FAMILY: 宋体">示例：</SPAN></P>
<P class=MsoNormal
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align=left><SPAN lang=EN-US style="FONT-FAMILY: 'Courier New'">(1)
</SPAN><SPAN style="FONT-FAMILY: 宋体">逗号、分号只在后面加空格。</SPAN></P>
<P class=MsoNormal
style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US style="FONT-FAMILY: 'Courier New'">int a, b,
c; </SPAN> </P>
<P class=MsoNormal
style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'">(2)</SPAN><SPAN
style="FONT-FAMILY: 宋体">比较操作符</SPAN><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'">, </SPAN><SPAN
style="FONT-FAMILY: 宋体">赋值操作符</SPAN><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'">"="</SPAN><SPAN
style="FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'"> "+="</SPAN><SPAN
style="FONT-FAMILY: 宋体">，算术操作符</SPAN><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'">"+"</SPAN><SPAN
style="FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'">"%"</SPAN><SPAN
style="FONT-FAMILY: 宋体">，逻辑操作符</SPAN><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'">"&&"</SPAN><SPAN
style="FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'">"&"</SPAN><SPAN
style="FONT-FAMILY: 宋体">，位域操作符</SPAN><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'">"<<"</SPAN><SPAN
style="FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'">"^"</SPAN><SPAN
style="FONT-FAMILY: 宋体">等双目操作符的前后加空格。</SPAN></P>
<P class=MsoNormal
style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US style="FONT-FAMILY: 'Courier New'">if
(current_time >= MAX_TIME_VALUE) </SPAN></P>
<P class=MsoNormal
style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US style="FONT-FAMILY: 'Courier New'">a = b +
c;</SPAN></P>
<P class=MsoNormal
style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US style="FONT-FAMILY: 'Courier New'">a *=
2;</SPAN></P>
<P class=MsoNormal
style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US style="FONT-FAMILY: 'Courier New'">a = b ^
2;</SPAN> </P>
<P class=MsoNormal
style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'">(3)"!"</SPAN><SPAN
style="FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'">"~"</SPAN><SPAN
style="FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'">"++"</SPAN><SPAN
style="FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'">"--"</SPAN><SPAN
style="FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'">"&"</SPAN><SPAN
style="FONT-FAMILY: 宋体">（地址运算符）等单目操作符前后不加空格。</SPAN></P>
<P class=MsoNormal
style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US style="FONT-FAMILY: 'Courier New'">*p =
'a'; // </SPAN><SPAN
style="FONT-FAMILY: 宋体">内容操作</SPAN><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'">"*"</SPAN><SPAN
style="FONT-FAMILY: 宋体">与内容之间</SPAN></P>
<P class=MsoNormal
style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US style="FONT-FAMILY: 'Courier New'">flag =
!isEmpty; // </SPAN><SPAN style="FONT-FAMILY: 宋体">非操作</SPAN><SPAN
lang=EN-US style="FONT-FAMILY: 'Courier New'">"!"</SPAN><SPAN
style="FONT-FAMILY: 宋体">与内容之间</SPAN></P>
<P class=MsoNormal
style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US style="FONT-FAMILY: 'Courier New'">p =
&mem; // </SPAN><SPAN
style="FONT-FAMILY: 宋体">地址操作</SPAN><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'">"&" </SPAN><SPAN
style="FONT-FAMILY: 宋体">与内容之间</SPAN></P>
<P class=MsoNormal
style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'">i++;
// "++","--"</SPAN><SPAN
style="FONT-FAMILY: 宋体">与内容之间</SPAN> </P>
<P class=MsoNormal
style="MARGIN-LEFT: 24pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'">(4)"->"</SPAN><SPAN
style="FONT-FAMILY: 宋体">、</SPAN><SPAN lang=EN-US
style="FONT-FAMILY: 'Courier New'">"."</SPAN><SPAN
style="FONT-FAMILY: 宋体">前后不加空格。</SPAN></P>
<P class=MsoNormal
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