【正文】 ................................................................................... 11 經(jīng)濟(jì)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(jì) .........................................................................................................................................14 系統(tǒng)總體設(shè)計(jì) ...................................................................................................................................14 系統(tǒng)功能模塊設(shè)計(jì) ...........................................................................................................................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(jì)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(jì)（論文） 目 錄 庫(kù)存管理員處理商品入庫(kù) ......................................................................................................19 訂貨員進(jìn)行訂貨管理 ..............................................................................................................20 數(shù)據(jù)庫(kù)設(shè)計(jì) .......................................................................................................................................21 數(shù)據(jù)庫(kù)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(gè) DBMS所支持的數(shù)據(jù)模型，并對(duì)其進(jìn)行優(yōu)化。本系統(tǒng)根據(jù)ER 圖可以對(duì)數(shù)據(jù)庫(kù)進(jìn)行設(shè)計(jì)，以下列出主要的數(shù)據(jù)表。 .......................................................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(kāi)發(fā)工具 ...................................................................................................................................24 開(kāi)發(fā)模式 ...................................................................................................................................24 本章小結(jié) ............................................................................................................................................25 第 5 章 系統(tǒng)實(shí)現(xiàn) .........................................................................................................................................26 功能模塊及界面的實(shí)現(xiàn) ...................................................................................................................26 系統(tǒng)登錄模塊 ...........................................................................................................................26 系統(tǒng)主操作模塊 .......................................................................................................................26 進(jìn)貨信息查詢模塊 ..................................................................................................................26 供應(yīng)商信息管理模塊 ..............................................................................................................27 庫(kù)存查詢模塊 ...........................................................................................................................27 商品進(jìn)貨信息模塊 ..................................................................................................................28 商品銷售信息模塊 ..................................................................................................................28 商品退貨管理模塊 ..................................................................................................................29 員工信息管理模塊 ..................................................................................................................29 庫(kù)存報(bào)警模塊 .........................................................................................................................30 本章小結(jié) ............................................................................................................................................30 第 6 章 系統(tǒng)測(cè)試 .........................................................................................................................................32 模塊測(cè)試 ............................................................................................................................................32 集成測(cè)試 ............................................................................................................................................32 確認(rèn)測(cè)試 ............................................................................................................................................33 本章小結(jié) ...........................................................................................................................