2023年全國碩士研究生考試考研英語一試題真題(含答案詳解+作文范文)_第1頁
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1、 獨創(chuàng)性聲明 本人聲明所呈交的學(xué)位論文是本人在導(dǎo)師指導(dǎo)下進(jìn)行的研究工作和取得的研究成果, 除了文中特別加以標(biāo)注和致謝之處外, 論文中不包含其他人已經(jīng)發(fā)表或撰寫過的研究成果, 也不包含為獲得 天津大學(xué) 或其他教育機(jī)構(gòu)的學(xué)位或證參而使用過的材料。 與我一同工作的同志對本研究所做的任何貢獻(xiàn)均已在論文中作了明確的說明并表示了謝意。 學(xué)位論文作者簽名: 簽字操期: 年 月 操 我是愛天大的! ! 學(xué)位

2、論文版權(quán)使用授權(quán)參 本學(xué)位論文作者完全了解 天津大學(xué) 有關(guān)保留、使用學(xué)位論文的規(guī)定。特授權(quán) 天津大學(xué) 可以將學(xué)位論文的全部或部分內(nèi)容編入有關(guān)數(shù)據(jù)庫進(jìn)行檢索,并采用影印、縮印或掃描等復(fù)制手段保存、匯編以供查閱和借閱。同意學(xué)校向國家有關(guān)部門或機(jī)構(gòu)送交論文的復(fù)印件和磁盤。 (保密的學(xué)位論文在解密后適用本授權(quán)說明) 學(xué)位論文作者簽名: 導(dǎo)師簽名: 簽字操期: 年 月 操

3、 簽字操期: 年 月 操 ABSTRACT Training plays an important role in youth league cadres’ growth process. The development of online training information system can effectively overcome the shortcomings in traditional trai

4、ning process, and provide information technical support for training business. Youth league cadre training business of a certain city in Henan province is selected as research background in this dissertation, in order to

5、 develop online training information system. System users’ actual requirements are investigated, based on requirement investigation results, the system is divided into four modules which include system management module,

6、 course management module, online training module and comprehensive business module. System users are divided several kind of participants, which include system manager, training manager, student and etc. Participants’ r

7、equirements are modeled by UML use case diagram. System performance targets are analyzed, to ensure system running steadily. Data persistence requirements of every module are analyzed, and database models are designed. D

8、atabase models include ER model and relation model. Database model obey database design 3NF principle, thus to reduce data redundant level and exception occur probability during communication process between program and

9、database. The technical of J2EE is selected for system development, the framework combination of Struts and Hibernate is used for software circumstance establishment. According to MVC design pattern, the system is divide

10、d into three layers of View, Action and DAO. The layer division scheme enhanced cohesion level and reduced coupling level in different layers. Business classes and methods are designed, and calling sequence between diffe

11、rent layers are designed too. System code is accomplished and and interfaces of every function are accomplished too. System test cases are designed, system test result show that information system developed in this disse

12、rtation attain system design requirement. Youth league cadre online training information system running stable, it meet the requirements of the cadre training work, and enhanced information level for training business. K

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