基于Hadoop的高校教學(xué)資源共享系統(tǒng)研究與實現(xiàn)
發(fā)布時間：2019-02-21 15:07
【摘要】：近期,教育部、財政部、國家發(fā)改委聯(lián)合發(fā)布的《統(tǒng)籌推進(jìn)世界一流大學(xué)和一流學(xué)科建設(shè)實施辦法》,標(biāo)志著“雙一流”建設(shè)開始全面啟動,在此號召下,各高校內(nèi)部的教育事業(yè)正在得到飛速、蓬勃的發(fā)展�？茖W(xué)技術(shù)在高校教學(xué)中的應(yīng)用瓶頸主要體現(xiàn)在教學(xué)資源的配置與共享方面,雖然教育水平取得了迅猛提升,但依然存在很多問題,經(jīng)濟發(fā)達(dá)地區(qū)與欠發(fā)達(dá)地區(qū)的高校教學(xué)資源分布不均的情況嚴(yán)重,欠發(fā)達(dá)地區(qū)高校教學(xué)資源相對落后,信息技術(shù)設(shè)備差、教師應(yīng)用信息化的水平落后。并且教學(xué)資源豐富的高校,即使教學(xué)設(shè)施較為完善,依然存在著“信息孤島”的問題,各高校間彼此封閉使用資源,致使資源被重復(fù)建設(shè),資源的利用率被大幅度降低,從而制約了高校教育信息化發(fā)展的步伐。本文在此背景下,研發(fā)了一個開放、統(tǒng)一、適用范圍廣泛的高校教學(xué)資源共享系統(tǒng),該系統(tǒng)以期解決現(xiàn)存的高校教學(xué)資源分布不均、資源重復(fù)性建設(shè)、資源利用率低等問題,進(jìn)而縮短教學(xué)資源共享的周期,減少各學(xué)校對于教育設(shè)備的投入,促進(jìn)教學(xué)資源的有效共享和整合,高校內(nèi)教育水平的信息化、網(wǎng)絡(luò)化也能夠得到充分有序、健康的發(fā)展,所做工作如下:1.探討了當(dāng)前制約我國高校教育信息化發(fā)展的因素,分析開發(fā)教學(xué)資源共享系統(tǒng)的必要性。在構(gòu)建系統(tǒng)的過程中,如何保證海量教學(xué)資源信息的存儲更成為重中之重,利用Hadoop技術(shù)架構(gòu)系統(tǒng),不僅架構(gòu)方便獲取,并且能夠?qū)?fù)雜的海量教學(xué)資源數(shù)據(jù)處理過程大大簡化。2.分析了Hadoop體系對資源互聯(lián)互通產(chǎn)生的優(yōu)勢,首先探究了Hadoop生態(tài)系統(tǒng)中兩大重要組件——HDFS分布式文件系統(tǒng)和MapReduce編程模型的運行機制,然后具體闡述了Hadoop技術(shù)與高校教學(xué)資源共享系統(tǒng)的融合,在傳統(tǒng)B/S模式的基礎(chǔ)上,構(gòu)建了一個開源的并行化計算與分布式架構(gòu),利用分布式文件系統(tǒng)HDFS來存儲海量的教學(xué)資源,以及并行化編程模型MapReduce來提供并行計算檢索的功能,系統(tǒng)框架是SSH集成框架,即由Struts、Spring和Hibernate組成的集合框架,三者相互結(jié)合,使系統(tǒng)結(jié)構(gòu)穩(wěn)定并可復(fù)用。3.依據(jù)系統(tǒng)的具體運作模式,設(shè)計出系統(tǒng)的功能模塊及基本工作流程,給出教學(xué)資源共享系統(tǒng)的設(shè)計架構(gòu)、概念結(jié)構(gòu),以清晰明確的E-R圖展現(xiàn),建立包含系統(tǒng)所需數(shù)據(jù)的數(shù)據(jù)庫表,包括有用戶信息表、管理員信息表、資源信息表和公告信息表。依據(jù)系統(tǒng)開發(fā)的普遍原則,設(shè)計并實現(xiàn)了含有角色登錄、資源管理、資源檢索、在線資源學(xué)習(xí)等功能的高校教學(xué)資源共享系統(tǒng)。
[Abstract]:Recently, the Ministry of Education, the Ministry of Finance and the National Development and Reform Commission jointly issued the "measures for the implementation of promoting the construction of world-class universities and first-class disciplines as a whole", which marks the start of the "double first-class" construction in an all-round way. Under this call, The cause of education in colleges and universities is getting rapid and vigorous development. The bottleneck of the application of science and technology in the teaching of colleges and universities is mainly reflected in the allocation and sharing of teaching resources. Although the level of education has made rapid progress, there are still many problems. The uneven distribution of teaching resources in colleges and universities in developed and underdeveloped regions is serious. The teaching resources of colleges and universities in underdeveloped areas are relatively backward, the information technology equipment is poor, and the level of teachers' application of information technology is backward. Even though the teaching facilities are relatively perfect, there still exists the problem of "information island" in colleges and universities with abundant teaching resources. The closed use of resources among colleges and universities results in repeated construction of resources, and the utilization rate of resources is greatly reduced. Therefore, it restricts the pace of the development of educational informatization in colleges and universities. Under this background, this paper develops an open, unified and widely applicable teaching resource sharing system in colleges and universities. The system aims to solve the problems of uneven distribution of teaching resources, repetitive construction of resources, low utilization rate of resources and so on. Thus shortening the cycle of teaching resources sharing, reducing the input of various schools to educational equipment, promoting the effective sharing and integration of teaching resources, the informationization of education level in colleges and universities, and networking can also be fully orderly and healthily developed. The work done is as follows: 1. This paper probes into the factors restricting the development of educational informatization in colleges and universities in China, and analyzes the necessity of developing a system of sharing teaching resources. In the process of constructing the system, how to ensure the storage of the massive teaching resources information becomes the most important. Using the Hadoop technology architecture system, not only the architecture is convenient to obtain, And can be complex massive teaching resources data processing process greatly simplified. 2. This paper analyzes the advantages of Hadoop system for resource interconnection. Firstly, it probes into the running mechanism of HDFS distributed file system and MapReduce programming model, which are two important components of Hadoop ecosystem. Then, the integration of Hadoop technology and teaching resource sharing system in colleges and universities is elaborated in detail. Based on the traditional B / S model, an open source parallel computing and distributed architecture is constructed. The distributed file system (HDFS) is used to store massive teaching resources, and the parallel programming model (MapReduce) is used to provide the function of parallel computing and retrieval. The system framework is an integrated framework of SSH, that is, a collection framework composed of Struts,Spring and Hibernate. Make the system structure stable and reusable. 3. According to the specific operation mode of the system, the function module and the basic workflow of the system are designed, and the design framework and conceptual structure of the teaching resource sharing system are given. The database table including user information table, administrator information table, resource information table and announcement information table are established. According to the general principles of system development, a teaching resource sharing system with the functions of role-login, resource management, resource retrieval and online resource learning is designed and implemented.
【學(xué)位授予單位】：山東師范大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TP311.52
本文編號：2427610
[Abstract]:Recently, the Ministry of Education, the Ministry of Finance and the National Development and Reform Commission jointly issued the "measures for the implementation of promoting the construction of world-class universities and first-class disciplines as a whole", which marks the start of the "double first-class" construction in an all-round way. Under this call, The cause of education in colleges and universities is getting rapid and vigorous development. The bottleneck of the application of science and technology in the teaching of colleges and universities is mainly reflected in the allocation and sharing of teaching resources. Although the level of education has made rapid progress, there are still many problems. The uneven distribution of teaching resources in colleges and universities in developed and underdeveloped regions is serious. The teaching resources of colleges and universities in underdeveloped areas are relatively backward, the information technology equipment is poor, and the level of teachers' application of information technology is backward. Even though the teaching facilities are relatively perfect, there still exists the problem of "information island" in colleges and universities with abundant teaching resources. The closed use of resources among colleges and universities results in repeated construction of resources, and the utilization rate of resources is greatly reduced. Therefore, it restricts the pace of the development of educational informatization in colleges and universities. Under this background, this paper develops an open, unified and widely applicable teaching resource sharing system in colleges and universities. The system aims to solve the problems of uneven distribution of teaching resources, repetitive construction of resources, low utilization rate of resources and so on. Thus shortening the cycle of teaching resources sharing, reducing the input of various schools to educational equipment, promoting the effective sharing and integration of teaching resources, the informationization of education level in colleges and universities, and networking can also be fully orderly and healthily developed. The work done is as follows: 1. This paper probes into the factors restricting the development of educational informatization in colleges and universities in China, and analyzes the necessity of developing a system of sharing teaching resources. In the process of constructing the system, how to ensure the storage of the massive teaching resources information becomes the most important. Using the Hadoop technology architecture system, not only the architecture is convenient to obtain, And can be complex massive teaching resources data processing process greatly simplified. 2. This paper analyzes the advantages of Hadoop system for resource interconnection. Firstly, it probes into the running mechanism of HDFS distributed file system and MapReduce programming model, which are two important components of Hadoop ecosystem. Then, the integration of Hadoop technology and teaching resource sharing system in colleges and universities is elaborated in detail. Based on the traditional B / S model, an open source parallel computing and distributed architecture is constructed. The distributed file system (HDFS) is used to store massive teaching resources, and the parallel programming model (MapReduce) is used to provide the function of parallel computing and retrieval. The system framework is an integrated framework of SSH, that is, a collection framework composed of Struts,Spring and Hibernate. Make the system structure stable and reusable. 3. According to the specific operation mode of the system, the function module and the basic workflow of the system are designed, and the design framework and conceptual structure of the teaching resource sharing system are given. The database table including user information table, administrator information table, resource information table and announcement information table are established. According to the general principles of system development, a teaching resource sharing system with the functions of role-login, resource management, resource retrieval and online resource learning is designed and implemented.
【學(xué)位授予單位】：山東師范大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TP311.52
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