基于QR Code二維碼的自動打印和掃描的設(shè)計(jì)與實(shí)現(xiàn)
[Abstract]:With the rise of the concept of Internet of things, two-dimensional code technology has been gradually applied in industry, commerce and culture. The great achievements in the field of two-dimensional bar code technology in China have laid a solid and reliable technical foundation for the development of the Internet of things technology in China. However, the automatic scanning recognition software of QR code is not mature enough, and there are some problems such as low recognition rate, poor error-correcting ability and slow recognition speed. The main purpose of this thesis is to solve the above problems. Through the research of the iText module with the function of generating the two-dimensional code QR Code and the Zxing project of the Google with the two-dimension code automatic scanning recognition, the two components are integrated into the same system. In order to realize the automatic printing of bar code and automatic scanning recognition. This thesis focuses on the realization of automatic printing and scanning based on QR Code. The key problem to be solved is how to generate QR Code QR code and how to let component device print QR code in PDF file. Reference to third-party open-source JAR packages is required, and QR code printing is supported on PDF files. After searching for resources on the Internet, it is found that zxing, an open source project with google, and qrcode_swetake open source JAR package of swetake, a Japanese company, can generate, print and scan QR Code QR codes. You can download their open source JAR packages and import them into your project to resolve QR Code QR code printing and scanning parsing. In this paper, the automatic printing and scanning requirements of QR Code QR codes are finally realized, and the major problems that QR codes cannot be parsed when scanning quality is poor or 2D codes are smeared are solved, thus improving the resolution rate of QR codes. It provides very good support for its application in the commercial field.
【學(xué)位授予單位】:天津大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2016
【分類號】:TP391.4
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