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<title>第九章 文件</title>
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<div style='text-align:justify;mso-line-spacing:"125 20 0";position:absolute;
top:15.5%;left:9.36%;width:25.46%;height:6.0%'><nobr><span lang=EN-US
style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
mso-fareast-font-family:"Arial Unicode MS";font-size:117%;color:red;
mso-fareast-language:ZH-CN'><b>3</b></span><span style='font-family:宋体;
mso-fareast-font-family:宋体;font-size:117%;color:red'><b>．二进制文件</b></span><span
style='font-family:"Arial Unicode MS";mso-fareast-font-family:"Arial Unicode MS";
font-size:117%;color:red;display:none'><b> </b></span></nobr></div>
<div style='mso-line-spacing:"125 20 0"'><span style='position:absolute;
top:24.25%;left:9.36%;width:101.68%;height:5.25%'><b><span
style='mso-spacerun:yes'> </span></b><span
style='font-family:宋体;mso-fareast-font-family:宋体'><b>二进制文件（</b></span><span
lang=EN-US style='mso-fareast-language:ZH-CN'><b>Binaryfile</b></span><span
style='font-family:宋体;mso-fareast-font-family:宋体'><b>）是字节的集合，直接把二进</b></span></span><span
style='position:absolute;top:31.25%;left:9.36%;width:86.51%;height:4.75%'><span
style='font-family:宋体;mso-fareast-font-family:宋体'><b>制码存放在文件中。 </b></span></span></div>
<div style='mso-line-spacing:"125 20 0"'><span style='position:absolute;
top:38.5%;left:9.36%;width:101.68%;height:5.25%'><b><span
style='mso-spacerun:yes'>
</span></b><span style='font-family:宋体;mso-fareast-font-family:宋体'><b>除了没有数据类型或者记录长度的含义以外，它与随</b></span></span><span
style='position:absolute;top:45.75%;left:9.36%;width:86.51%;height:4.75%'><span
style='font-family:宋体;mso-fareast-font-family:宋体'><b>机访问很相似。 </b></span></span></div>
<div style='mso-line-spacing:"125 20 0"'><span style='position:absolute;
top:53.0%;left:9.36%;width:100.74%;height:5.25%'><b><span
style='mso-spacerun:yes'> </span></b><span
style='font-family:宋体;mso-fareast-font-family:宋体'><b>二进制访问模式是以字节数来定位数据，在程序中可</b></span></span><span
style='position:absolute;top:60.25%;left:9.36%;width:100.74%;height:4.75%'><span
style='font-family:宋体;mso-fareast-font-family:宋体'><b>以按任何方式组织和访问数据，对文件中各字节数据直接</b></span></span><span
style='position:absolute;top:66.25%;left:9.36%;width:86.51%;height:5.25%'><span
style='font-family:宋体;mso-fareast-font-family:宋体'><b>进行存取。</b></span><b> </b></span></div>
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position:absolute;top:75.5%;left:14.41%;width:60.67%;height:5.25%'><span
style='font-family:宋体;mso-fareast-font-family:宋体;color:#0033CC'><b>灵活性很大</b></span><span
lang=EN-US style='color:#0033CC;mso-fareast-language:ZH-CN'><b>; </b></span><span
style='font-family:宋体;mso-fareast-font-family:宋体;color:#0033CC'><b>相对的</b></span><span
lang=EN-US style='color:#0033CC;mso-fareast-language:ZH-CN'><b>, </b></span><span
style='font-family:宋体;mso-fareast-font-family:宋体;color:#0033CC'><b>程序更复杂</b></span></div>
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