📄 ds9.1.htm
字号:
</o:p>
</span></b></font></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-spacerun: yes"><font color="#FFFFFF" size="5"><b>
</b></font></span><font color="#FFFFFF" size="5"><b>char<span style="mso-spacerun: yes">
</span>month[3]</b></font></span><font color="#FFFFFF" size="5"><b><span style="mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">；</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">/*
</span><span style="mso-bidi-font-size: 10.0pt; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">月：字符型，宽度为</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">
2 */</span></b></font></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-spacerun: yes"><font color="#FFFFFF" size="5"><b>
</b></font></span><font color="#FFFFFF" size="5"><b>char<span style="mso-spacerun: yes">
</span>date[3]</b></font></span><font color="#FFFFFF" size="5"><b><span style="mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">；</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">/*
</span><span style="mso-bidi-font-size: 10.0pt; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">日：字符型，宽度为</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">
2 */</span></b></font></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-spacerun: yes"><font color="#FFFFFF" size="5"><b>
</b></font></span><font color="#FFFFFF" size="5"><b>}BirthDate</b></font></span><font color="#FFFFFF" size="5"><b><span style="mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">；</span></b></font></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><b><span lang="EN-US" style="mso-bidi-font-size: 10.0pt"><font color="#FFFFFF" size="5">/*
</font></span><font color="#FFFFFF" size="5"><span style="mso-bidi-font-size: 10.0pt; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">数据元素类型定义</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">
*/<o:p>
</o:p>
</span></font></b></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><b><font color="#FFFFFF" size="5">typedef<span style="mso-spacerun: yes">
</span>struct<span style="mso-spacerun: yes"> </span>{</font></b></span></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-spacerun: yes"><font color="#FFFFFF" size="5"><b>
</b></font></span><font color="#FFFFFF" size="5"><b>char<span style="mso-spacerun: yes">
</span>number[7]</b></font></span><font color="#FFFFFF" size="5"><b><span style="mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">；</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">/*
</span><span style="mso-bidi-font-size: 10.0pt; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">学号：字符型，宽度为</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">6<span style="mso-spacerun: yes">
</span>*/</span></b></font></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-spacerun: yes"><font color="#FFFFFF" size="5"><b>
</b></font></span><font color="#FFFFFF" size="5"><b>char<span style="mso-spacerun: yes">
</span>name[9]</b></font></span><font color="#FFFFFF" size="5"><b><span style="mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">；</span>
<span lang="EN-US" style="mso-bidi-font-size: 10.0pt"><span style="mso-spacerun: yes"> </span>/*
</span><span style="mso-bidi-font-size: 10.0pt; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">姓名：字符型，宽度为</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">8<span style="mso-spacerun: yes">
</span>*/</span></b></font></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-spacerun: yes"><font color="#FFFFFF" size="5"><b>
</b></font></span><font color="#FFFFFF" size="5"><b>char<span style="mso-spacerun: yes">
</span>sex[3]</b></font></span><font color="#FFFFFF" size="5"><b><span style="mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">；</span><span style="mso-spacerun: yes" lang="EN-US">
</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">/* </span><span style="mso-bidi-font-size: 10.0pt; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">性别：字符型，宽度为</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">2<span style="mso-spacerun: yes">
</span>*/</span></b></font></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-spacerun: yes"><font color="#FFFFFF" size="5"><b>
</b></font></span><font color="#FFFFFF" size="5"><b>BirthDate<span style="mso-spacerun: yes">
</span>birthdate</b></font></span><b><font color="#FFFFFF" size="5"><span style="mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">;</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt"></span></font></b></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><b><font color="#FFFFFF" size="5">
</font><font color="#FFFFFF" size="4"><span style="mso-bidi-font-size: 10.0pt"><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">/*</span>出生日期:构造类型,由该类型的宽度确定<span lang="EN-US" style="mso-bidi-font-size: 10.0pt">
</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">*/</span></span></font></b></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-spacerun: yes"><font color="#FFFFFF" size="5"><b>
</b></font></span><font color="#FFFFFF" size="5"><b>char<span style="mso-spacerun:
yes"> </span>comefrom[21]</b></font></span><font color="#FFFFFF" size="5"><b><span style="mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">；</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">/*
</span><span style="mso-bidi-font-size: 10.0pt; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">来源：字符型，宽度为</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">20<span style="mso-spacerun: yes">
</span>*/</span></b></font></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-spacerun: yes"><font color="#FFFFFF" size="5"><b>
</b></font></span><font color="#FFFFFF" size="5"><b>int<span style="mso-spacerun: yes">
</span>results</b></font></span><font color="#FFFFFF" size="5"><b><span style="mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">；</span><span style="mso-spacerun:
yes" lang="EN-US"> </span><span style="mso-bidi-font-size: 10.0pt; letter-spacing: -.8pt" lang="EN-US">
/*<span style="mso-spacerun: yes"> </span></span><span style="mso-bidi-font-size: 10.0pt; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman; letter-spacing: -.8pt">成绩：整型</span><span style="mso-bidi-font-size: 10.0pt; letter-spacing: -.8pt"><span style="mso-spacerun: yes"> </span><span lang="EN-US">*/
</span></span><span lang="EN-US" style="letter-spacing:-.8pt"><o:p>
</o:p>
</span></b></font></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-spacerun: yes"><font color="#FFFFFF" size="5"><b>
</b></font></span><font color="#FFFFFF" size="5"><b>} ElemType</b></font></span><font color="#FFFFFF" size="5"><b><span style="mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">；</span></b></font></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span style="mso-spacerun: yes" lang="EN-US"><font color="#FFFFFF" size="5"><b>
</b></font></span><font color="#FFFFFF" size="5"><b><span style="mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">以上定义的数据元素类型，相当于手工绘制的表头。要存储学生的信息，还需要分配一定的存储单元，即给出表长度。可以用数组分配，即顺序存储结构；也可以用链式存储结构实现动态分配。</span></b></font></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><b><span lang="EN-US" style="mso-bidi-font-size: 10.0pt"><font color="#FFFFFF" size="5">/*
</font></span><font color="#FFFFFF" size="4"><span style="mso-bidi-font-size: 10.0pt"><span style="mso-bidi-font-size: 10.0pt; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">顺序分配</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">1000</span><span style="mso-bidi-font-size: 10.0pt; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">个存储单元用来存放最多</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">1000</span><span style="mso-bidi-font-size: 10.0pt; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">个学生的信息</span></span></font><font color="#FFFFFF" size="5"><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">
*/<o:p>
</o:p>
</span></font></b></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-spacerun: yes"><font color="#FFFFFF" size="5"><b>
</b></font></span><font color="#FFFFFF" size="5"><b>ElemType<span style="mso-spacerun: yes">
</span>elem[1000]</b></font></span><font color="#FFFFFF" size="5"><b><span style="mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">；</span></b></font></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span style="mso-spacerun: yes" lang="EN-US"><font color="#FFFFFF" size="5"><b>
</b></font></span></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><font color="#FFFFFF" size="5"><b>
<span style="mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">本章以后讨论中，涉及的关键码类型和数据元素类型统一说明如下：</span></b></font></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><b><font color="#FFFFFF" size="5">typedef<span style="mso-spacerun: yes">
</span>struct<span style="mso-spacerun: yes"> </span>{</font></b></span></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-spacerun: yes"><font color="#FFFFFF" size="5"><b>
</b></font></span><font color="#FFFFFF" size="5"><b>KeyType<span style="mso-spacerun: yes">
</span>key</b></font></span><b><font color="#FFFFFF" size="5"><span style="mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">；</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; letter-spacing: -.6pt">/*
</span><span style="mso-bidi-font-size: 10.0pt; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman; letter-spacing: -.6pt"></span></font><span style="mso-bidi-font-size: 10.0pt; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman; letter-spacing: -.6pt"><font color="#FFFFFF" size="3">关键码字段，可以是整型、字符串型、构造类型等</font></span><font color="#FFFFFF" size="5"><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; letter-spacing: -.6pt">*/</span><span lang="EN-US" style="letter-spacing:-.6pt"><o:p>
</o:p>
</span></font></b></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span style="mso-spacerun: yes" lang="EN-US"><font color="#FFFFFF" size="5"><b>
</b></font></span><font color="#FFFFFF" size="5"><b><span style="mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">……</span><span style="mso-spacerun: yes" lang="EN-US">
</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">/* </span><span style="mso-bidi-font-size: 10.0pt; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">其它字段</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">
*/</span></b></font></p>
<p style="margin-top: 0; margin-bottom: 0"><span style="mso-spacerun: yes"><span lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:10.0pt;font-family:
"Times New Roman";mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:
EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">
</span></span><font size="5" color="#FFFFFF"><span style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"><b><span lang="EN-US"><span style="mso-spacerun: yes; mso-bidi-font-size: 10.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">
</span>} ElemType</span><span style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman; mso-bidi-font-family: Times New Roman; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">；</span></b></span></font>
<p style="margin-top: 0; margin-bottom: 0"> </p>
<p style="margin-top: 0; margin-bottom: 0" align="center"><b><font size="5"><a href="ds9.HTM"><font color="#FFFF00">返回</font></a></font></b></p>
<!--mstheme--></font>
</body>
</html>
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -