- 數(shù)據(jù)訪問邏輯層
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data access logic中文什么意思
例句與用法
- In the forth chaptef , based on previous chapter model , a scheme of system as a whole , message criterion , stock operating logic , data access logic are designed
第四章依據(jù)第三章的系統(tǒng)模型設(shè)計(jì)了大慶煉化公司物資采購電子商務(wù)系統(tǒng)方案、消息規(guī)范、電子采購業(yè)務(wù)邏輯、基于jdbc / odbc的數(shù)據(jù)訪問。 - The mps system requirements analysis and the design of database are completed with uml modeling technology , which inosculates the system ' s requirement analysis process and the component - based software development process and pave way for the abstract , development and assembly of components . then the thesis divides the business layer in the typical three - tier architecture into another three sublayers that are the data express layer , data access logic layer and business rule layer , and a framework that is more explicit and easier to develop and reuse is constructed . in this framework , the design strategy and method of components in diverse layers are given to complete their corresponding functions
本文首先利用uml面向?qū)ο蠼７椒ㄍ瓿闪薽ps系統(tǒng)的需求分析和數(shù)據(jù)庫的設(shè)計(jì)，使需求分析過程與開發(fā)過程更緊密地結(jié)合起來，為組件的抽取、開發(fā)與組裝奠定了基礎(chǔ)；然后將典型三層系統(tǒng)結(jié)構(gòu)中的業(yè)務(wù)邏輯層分為業(yè)務(wù)實(shí)體層、數(shù)據(jù)訪問邏輯層和業(yè)務(wù)規(guī)則層，提出了一個(gè)更加清晰、易于開發(fā)和復(fù)用的總體框架結(jié)構(gòu)，并設(shè)計(jì)了框架中不同組件的開發(fā)策略；最后利用com mts com +組件技術(shù)完成了基于本框架的mps系統(tǒng)中各層組件的開發(fā)、分布式事務(wù)處理及部署通信，調(diào)試了系統(tǒng)的運(yùn)行，實(shí)現(xiàn)了系統(tǒng)的功能。