本文给出一个基于C/S模式采用ASP .NET和SQL Server开发的汽车维修管理系统，介绍了从需求、设计到具体实现整个开发过程，重点介绍系统的设计原则和实现技术。

With the development of business and the change of users' needs, the traditional questionnaire survey method which con- sumes a lot of manpower and material resources cannot be applied. Aiming at this problem, a questionnaire survey system based on Vue. js technique of separating front end and back end is proposed. The front-end uses the lightweight Vue.js framework to realize componentization development and uses OAuth2 technology to access enterprise WeChat. The backend uses the Spring Boot archi- tecture to implement the business model and data processing and uses the MySQL database to store the data. Design questionnaire, release questionnaire and answer questionnaire are integrated by the system, which effectively reduces the labor cost and improves the work efficiency.

探讨了建立藏文古籍文献搜索引擎的方法，分析了采用xml技术建立搜索引擎的优越性和必要性。并提出了基于xml搜索引擎的基本结构框架和实现的关键技术。

本文将分布式数据库技术与网络技术相结合，采用Web Service技术及异步调用方法实现分布式数据检索，弥补了集中式数据库系统在覆盖率、更新率、访问权限控制、网络负载等方面存在的缺陷，不仅能使植物标本及其各种属性得到永久性保存，而且更方便网络用户查询植物标本数据、提高标本数据的利用率，有利于实现资源共享。

入侵容忍技术是一种新的信息安全方法。本文首先对入侵容忍技术进行了详细的探讨，讨论入侵容忍技术的实现方法，从系统的整体角度出发，根据数据库系统安全的需求，构建了一种多层次的入侵容忍数据库安全模型——基于角色访问的自适应容侵数据库体系结构。

本文研究烟草行业的信息化解决方案。在分析烟草行业的信息化现状，结合烟草企业的特殊组织架构总结其信息化需求，提出基于多种移动业务的完善解决方案，并对具体业务及其技术原理进行了说明。本方案在实际应用中具有参考价值。

从抄袭的定义和法律规定出发，在分析比较国内外主要的论文抄袭判定方法基础上，提出存在的问题和改进策略，最后给出一种基于段落相似度的论文抄袭判定算法。此算法可以检测出抄袭者将论文的段落顺序打乱或者将段落文字打乱重新组合的情况，并将确认抄袭和疑似抄袭的抄袭论文和原论文的相应内容输出，方便用户进一步审查。

In order to design a smart home control system that is easy for users to use, this system takes STM32F103 microcontroller as the control center and combines hc-05 Bluetooth module, non-ad hoc voice recognition module and GSM module to form a set of multi-functional control system.The system usesMQ-2 smoke sensor, HC-SR501 human induction module, DHT11 temperature and humidity sensor and relay to detect and process the indoor environment, and then displays the indoor environment status through TFT display screen.The system can control indoor lighting, curtains and fans through mobile phones with Bluetooth function and user voice.In an emergency, alert the user by sending an alarm text message within 10 seconds using the GSM network. The system has the advantages of good performance, simple operation, low cost and so on.

Because the NTC thermistor sensor has a serious problem of nonlinear thermal power, the design of temperature measurement circuit is complex. According to the performance parameters of NTC thermistor, the corresponding temperature measurement circuit is designed. The circuit is simulated and analyzed in Multisim environment. The simulation results reach the circuit design requirements.

In recent years, home intelligence has become the trend of the development of life, people have higher and higher require- ments for the degree of home intelligence, and intelligent electrical equipment is more and more popular and recognized by every- one.Aiming at this situation, an intelligent control system is designed for the humidifier. The system uses a single chip microcomput- er as the control core and combines monitoring, control, display, alarm and execution modules to realize the real-time monitoring, alarm and control of air temperature and humidity, providing more convenience for intelligent family and providing some preference for the intelligentization design of electronic equipment.

On the premise of in-depth understanding of MSTP and VRRP protocol, the system can eliminate or reduce the single point of the Internet, and create a reliable, stable and high speed internet transmission system, which ensures the reliability and security of the enterprise network.

With the further improvement and development of Spring Boot and MongoDB technology, the solution of the enterprise has sprung up like mushrooms. But when Spring Boot integrated MongoDB database has encountered some problems, such as no complete data persistence solution. However, a review of traditional relational database has completed the work of Hibernate. This paper firstly introduces the principle and technical background of Spring Boot and MongoDB, then analyzes the existing problems of the solution. The main work of this paper is to design and implement a data persistence framework based on the solution of JPA MDBC. For example MDBC increasing and perfecting the aggregation function; provide the transaction processing and ensure data consistency; provides a backup and disaster recovery tool and so on.

The application of new media has enhanced the effect of information dissemination and has a positive impact on online research. This paper analyzes the advantages and existing problems of online research in colleges and universities under the background of new media. It proposes to scientifically design research questionnaires, select online research website, improve the enthusiasm of respondents, and apply new media for promotion, to promote the application of online research in colleges and universities under the background of new media.

In order to solve the problems brought about by fixed process in the ERP system of the traditional logistics，this paper introduces integrated workflow technology into the system．A multi-layer architecture of the ERP based on workflow technology is designed to improve the system’s maintainability and scalability．

Cloud computing technology is a new technology and a new revolution of information technology. This paper analyzes the mobile learning status and existing problems, designs the mobile learning system based on cloud computing technology, and builds the cloud structure. The application of cloud technology in mobile learning system can effectively solve the existing problems, and provide a new inspiration for mobile learning.

The SIEMENS S7-1200 PLC is connected with the SmartLink adapter by five kinds of twisted pair cable, so as to realize the remote control of IO module in communication, and realize data exchange in the same ProfiNet Industrial Ethernet bus. This paper introduces the framework of the control system, the topological structure of SmartLink remote intelligent IO in detail; introduces how to complete hardware configuration, parameter setting and data transmission in SIEMENS TIA Portal software; and completes the management control of distributed IO actuators with FB.

互联网的发展促进了信息交换和资源共享，但版权侵犯、敏感信息的保密和安全等工作也遭遇了困难，同时， 随着计算机处理能力的提高和完善，采用传统秘钥或公钥技术保护信息安全的能力越来越弱。数字水印技术是崭新的信息隐 藏技术的重要方向，它将标识性信息隐藏在待保护信息中，可达到保护密级信息和判断信息被篡改等目的。本文针对盲检测 数字水印技术，研究设计了一种基于Shearlet 变换数字水印算法，通过Matlab 仿真，选取不同的攻击方式和强度对嵌入数字水 印的信息进行攻击，并能进行性能评价。实验表明，基于Shearlet 变换的数字水印技术具有良好的鲁棒性和不可见性，在信息 安全中具有广泛的应用空间。

SSH is a common technology framework collection for Java Web development, including Struts, Hibernate and Spring. These three frameworks are different in the development and application, and each code range also has a greater difference. The application of SSH framework in Java Web is a very popular development mode of web development. This paper introduces the SSH framework, studies on the application of each frame in web and the prospect of Java Web framework, allowing readers to quickly understand the SSH framework and the relevant techniques. It will provide a valid reference for developers.

For a long time, the small and middle enterprises network construction has suffered from the attack of public network and the interference of non-standard Internet behavior. This paper developes network management based on Web2.0 (WBM), integrating functions of Web2.0 and network management technology, so as to provide a network management tool more powerful than traditional network management capabilities.

This paper briefly introduces the Linux system, and puts forward some specific measures to solve the security of the server. It includes five aspects: user rights configuration, system service configuration, firewall configuration, system optimization and log management. In the user configuration, the order strategies of user, password, logout and permissions are proposed; in the service configuration, the solutions of the motherboard, Bluetooth, network interface and storage are put forward; it is proposed that the firewall should be kept open; in the system optimization, the optimization strategies of the swap partition, management interface network and IP logo are proposed; it puts forward a series of commands in the log management. It is hoped that the Linux server security and deployment discussed in this paper can provide reference for practical operation.

The advent of quantum computer has generated tremendous repercussions not only in the computer field but also in physics, communications, materials, and many other fields. Now many countries have joined the development of quantum computers. There is a lot of progress in quantum algorithms, construction, physical implementation and other aspects. With the progress of information technology, people's demands for data processing and speed become increasingly harsh, in this context, the combination of quantum technology and big data processing technology breaks through the dawn of big data processing.

Aiming at CAN bus technology in aerospace field, this article proposes a new FlexRay bus communication mod. It introduces a processing mod based on FPGA + FlexRay architecture, and describes the characteristics and working principle of FlexRay bus. It analyzes the feasibility of the application of FlexRay bus in the aerospace field from communication protocol, and expoundes the application of FlexRay bus in the aerospace field of our country from the aspects of chip selection, principle design, interface realization and software design.

With the expansion of colleges and universities, the number of fresh graduates is increasing year by year, and the employ- ment pressure cannot be underestimated. Aiming at the problem of difficult employment, we conduct data analysis on the recruit- ment website, dig out the skills required for the job, and combine the results of the courses taken by the students when they are in school. Comparing the two, it is possible to recommend suitable jobs to the students and to the school, providing basis for job posi- tioning and job ability analysis in the professional talent training plan. The development of the position analysis system adopts the idea of separating front and back ends. The back end uses Hadoop platform and Spark framework. The front end uses Vue to bind da- ta. Echarts realizes visualization and visually displays the relevant data of the position. The post analysis system based on big data technology can obtain and analyze in real time, and visualize relevant employment data.

Aiming at the single function of children anti-loss device in the market, a smart children anti-loss device is designed to meet with people's needs. The terminal contains the main control STM32F103C, the peripheral part and the SIM900A module. The main function is to realize station location and send the location information to the main control terminal or call the main control terminal when the terminal identifies the AT command sending by the main control terminal.

Small chain supermarket cashier system located in small chain supermarket has the functions of system management, shift management, commodity sales, promotion management, payment management, query and so on. This paper determines the system requirements, studies on the system flow, and discusses on the modules functions and related problems in development process

This paper puts forward an algorithm of semi fragile digital watermarking based on DCT conversion. The origial image is splited and generates watermark by DCT conversion. And the image blocks are embedded with matrix generated by the keys. It utilizes the differences between the distorted halftone image and the extracted watermark to locate the tempering position. The experiments show that this algorithm gets high accuracy of the temper location.

This paper designs an intelligent stereo garage system based on PLC, which consists of parking space, turntable transposition device, car positioning device and elevator. The control uses Siemens S7-300 PLC as the main station, two S7-200 PLC as the slave station, Ethernet as the form of networking, and MCGS as the human-computer interaction interface. By controlling servo motor, stepping motor, frequency converter and ordinary three-phase asynchronous motor, the switch of elevator door, elevator lift, automobile fixed telescopic bracket motor, clamping motor of bracket, turntable rotation are controlled.

Combining the demand of classroom teaching reform of computer professional courses in higher vocational colleges, this paper researches on the strategies of stratified teaching of Graphic Image Processing Technology. On the basis of learning situation analysis and student stratification, the stratified teaching is designed and implemented from four aspects including teaching objectives, content, activities and evaluation. Under the guidance of stratified teaching idea, the network learning platform of micro learning resource and flipped classroom teaching mode let the teachers liberate from the role of teaching knowledge in traditional classroom teaching, and help students to improve their practical ability and the development of physical and mental health.

In today's society, market competition is increasingly fierce, while the enterprise management is increasingly sophisticated. As one of the important means of improving the efficiency of enterprises, enterprise mobile applications develop rapidly. However, mobile application security problems in the entire IT industry are not paid enough attention to. This paper mainly discusses on the security scheme of enterprise mobile applications, and uses some technical means to improve the security of enterprise mobile applications.

In recent years, with the popularization of digital campus in China, more and more university get the attention of campus network environment. The campus network is a symbol of the level of information of university. At this stage, wired local area network in Colleges and universities has been popularization and development, but it has some limitations, such as limited in the venue, limited in hardware devices, and limited in the number of users. This thesis according to the present situation and the requirement of campus network application of Weifang College, research on the requirements, emphasized the campus wireless network construction technology, and put forward the general design scheme of campus network of college, and added that the corresponding security technology.

Triple play system makes the network more complete，is the inevitable trend of the future network development, and the new name of The Internet of things industry will be in this opportunity, as the triple play to bring the software and hardware optimization brighter prospects，It can be said that with the triple play of steady progress, The Internet of things spring is coming. The mankind is gradually into intelligent life.

In computer teaching, there are the problems that teaching concepts is backward, the teaching methods are rigid, and practical operation is missing. This paper studies on the corresponding solutions for innovative talents cultivation in computer teaching reform, to better train the students in creative thinking and consciousness.