目录

1.结构化需求分析概述

1.1功能分解图

1.2需求细化与优先级划分

2.过程建模

2.1DFD图

2.2微规格说明

2.3数据字典

2.3.1.用户表

2.3.2.分类表

2.3.3.消费/收入表

3.数据建模

ERD建模

1.结构化需求分析概述

1.1功能分解图

1.2需求细化与优先级划分

A针对记账系统 B针对消费分析系统 C.用户

2.过程建模

2.1DFD图

2.2微规格说明

User sgin in little programSELECT CASECASE 1(Enter the consumption statistics system)SELECT CASECASE 1(Daily consumption statistics)Look at the formCASE 2(Monthly consumption statistics)IF user want to see the formTHEN look at the formELSE look at the pie chartCASE 3(Yearly consumption statistics)IF user want to see the formTHEN look at the formELSE look at the pie chartCASE 2(Enter the billing system)SELECT CASECASE 1(Charge to the count)select the acounting systemTHEN record the amount of comsumptionCASE 2(Delete bookkeeping operation)CASE 3(Add accounting categories)CASE 4(Interactive object)THEN give user Feedback of charge to an accountCASE 3 (The user interface)SELECT CASECASE 1(User settings)CASE 2(Setings)Enter Dialogue interface SettingsCASE 3(Help)

2.3数据字典

2.3.1.用户表

2.3.2.分类表

2.3.3.消费/收入表

3.数据建模

ERD建模