-
Notifications
You must be signed in to change notification settings - Fork 16
/
Copy path系统总体结构设计.html
20 lines (19 loc) · 7.29 KB
/
系统总体结构设计.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
<html>
<head>
<title>系统总体结构设计</title>
<basefont face="微软雅黑" size="2" />
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<meta name="exporter-version" content="Evernote Windows/307425 (zh-CN, DDL); Windows/10.0.0 (Win64);"/>
<style>
body, td {
font-family: 微软雅黑;
font-size: 10pt;
}
</style>
</head>
<body>
<a name="465"/>
<h1>系统总体结构设计</h1>
<div>
<span><div><span style="box-sizing: border-box; outline: 0px; font-size: 16px; line-height: 26px; word-break: break-all; font-family: "PingFang SC", "Microsoft YaHei", SimHei, Arial, SimSun; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; cursor: pointer;">从工程管理的角度，可以将软件设计分为两个阶段：</span></div><div style="box-sizing: border-box; outline: 0px; padding: 0px; margin: 0px 0px 16px; font-size: 16px; line-height: 26px; text-align: justify; word-break: break-all; font-family: "PingFang SC", "Microsoft YaHei", SimHei, Arial, SimSun; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; outline: 0px; font-size: 16px; line-height: 26px; word-break: break-all; font-family: "PingFang SC", "Microsoft YaHei", SimHei, Arial, SimSun; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); cursor: pointer;">概要设计阶段和详细设计阶段。</span></div><div style="box-sizing: border-box; outline: 0px; padding: 0px; margin: 0px 0px 16px; font-size: 16px; line-height: 26px; text-align: justify; word-break: break-all; font-family: "PingFang SC", "Microsoft YaHei", SimHei, Arial, SimSun; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; outline: 0px; font-size: 16px; line-height: 26px; word-break: break-all; font-family: "PingFang SC", "Microsoft YaHei", SimHei, Arial, SimSun; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); cursor: pointer;">结构化设计方法中，</span></div><div style="box-sizing: border-box; outline: 0px; padding: 0px; margin: 0px 0px 16px; font-size: 16px; line-height: 26px; text-align: justify; word-break: break-all; font-family: "PingFang SC", "Microsoft YaHei", SimHei, Arial, SimSun; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; outline: 0px; font-size: 16px; line-height: 26px; word-break: break-all; font-family: "PingFang SC", "Microsoft YaHei", SimHei, Arial, SimSun; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); font-weight: bold; cursor: pointer;">概要设计阶段进行软件体系结构的设计、数据设计和接口设计；</span></div><div style="box-sizing: border-box; outline: 0px; padding: 0px; margin: 0px 0px 16px; font-size: 16px; line-height: 26px; text-align: justify; word-break: break-all; font-family: "PingFang SC", "Microsoft YaHei", SimHei, Arial, SimSun; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; outline: 0px; font-size: 16px; line-height: 26px; word-break: break-all; font-family: "PingFang SC", "Microsoft YaHei", SimHei, Arial, SimSun; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; font-weight: bold; cursor: pointer;">详细设计阶段进行数据结构和算法的设计。</span></div><div style="box-sizing: border-box; outline: 0px; padding: 0px; margin: 0px 0px 16px; font-size: 16px; line-height: 26px; text-align: justify; word-break: break-all; font-family: "PingFang SC", "Microsoft YaHei", SimHei, Arial, SimSun; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; outline: 0px; font-size: 16px; line-height: 26px; word-break: break-all; font-family: "PingFang SC", "Microsoft YaHei", SimHei, Arial, SimSun; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); cursor: pointer;">面向对象设计方法中，概要设计阶段进行体系结构设计、初步的类设计/数据设计、结构设计；详细设计阶段进行构件设计。</span></div><div><span style="box-sizing: border-box; outline: 0px; font-size: 16px; line-height: 26px; word-break: break-all; font-family: "PingFang SC", "Microsoft YaHei", SimHei, Arial, SimSun; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; cursor: pointer;">结构化设计和面向对象设计是两种不同的设计方法，结构化设计根据系统的数据流图进行设计，模块体现为函数、过程及子程序；面向对象设计基于面向对象的基本概念进行，模块体现为类、对象和构件等。</span></div><div><span style="font-size: 16pt;"><br/></span></div><div><span style="font-size: 16pt;">系统结构设计原则</span>: </div><div>1 分解--协调原则 2 自顶向下 3 信息屏蔽、抽象原则 4 一致性原则 5 明确性原则 6 模块之间耦合小 7 扇入系数和扇出系数合理 8 规模适中</div></span>
</div></body></html>