【正文】 ............... 9 系統(tǒng)運行環(huán)境 ...................................................................................................................................10 系統(tǒng)的開發(fā)環(huán)境 ...............................................................................................................................10 功能性需求描述 ...............................................................................................................................10 多層結(jié)構(gòu)設(shè)計 ........................................................................................................................... 11 指導(dǎo)經(jīng)營的功能 ....................................................................................................................... 11 操作簡單 ................................................................................................................................... 11 代碼可讀性好 ........................................................................................................................... 11 總體設(shè)計原則 ................................................................................................................................... 11 技術(shù)可行性研究 ............................................................................................................................... 11 經(jīng)濟可行性研究 ...............................................................................................................................12 操作可行性研究 ...............................................................................................................................12 本章小結(jié) ............................................................................................................................................13 第 4 章 系統(tǒng)設(shè)計 .........................................................................................................................................14 系統(tǒng)總體設(shè)計 ...................................................................................................................................14 系統(tǒng)功能模塊設(shè)計 ...........................................................................................................................14 系統(tǒng)序列圖和交互圖 .......................................................................................................................18 售貨員銷售商品序列圖和交互圖 .........................................................................................18 統(tǒng)計分析員查詢商品信息序列圖和交互圖 .........................................................................19 東北大學(xué)本科畢 業(yè)設(shè)計（論文） 目 錄 庫存管理員處理商品入庫 ......................................................................................................19 訂貨員進行訂貨管理 ..............................................................................................................20 數(shù)據(jù)庫設(shè)計 .......................................................................................................................................21 數(shù)據(jù)庫需求分析 .......................................................................................................................21 邏輯結(jié)構(gòu)是把概念結(jié)構(gòu)轉(zhuǎn)換為某個 DBMS所支持的數(shù)據(jù)模型，并對其進行優(yōu)化。 .......................................................22 admin表 ： ..........................................................................................................................................22 tb_Company 表： ................................................................................................................................22 tb_EmpInfo 表 : ..................................................................................................................................22 Tb_JhGoodsInfo表： ........................................................................................................................22 Tb_KcGoods 表： ................................................................................................................................23 Tb_SellGoods 表： ............................................................................................................................23 Tb_thGoodsInfor 表： ......................................................................................................................24 開發(fā)工具 ...................................................................................................................................24 開發(fā)模式 ...................................................................................................................................24 本章小結(jié) ............................................................................................................................................25 第 5 章 系統(tǒng)實現(xiàn) .........................................................................................................................................26 功能模塊及界面的實現(xiàn) ...................................................................................................................26 系統(tǒng)登錄模塊 ...........................................................................................................................26 系統(tǒng)主操作模塊 .......................................................................................................................26 進貨信息查詢模塊 ..................................................................................................................26 供應(yīng)商信息管理模塊 ..............................................................................................................27 庫存查詢模塊 ...........................................................................................................................27 商品進貨信息模塊 ..................................................................................................................28 商品銷售信息模塊 ..................................................................................................................28 商品退貨管理模塊 ....................................................................................................