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Today is the Internet age, people can easily check Google reviews of stores on the Internet, but not all reviews are filled out by consumers after consumption, some may be filled out by the stores themselves, and some may be filled out intentionally by other stores because of vicious competition Negative reviews. In addition, most of the current invoices are obtained after consumption. The types include traditional invoices, paper electronic invoices, and electronic receipt. The Ministry of Finance also provides invoice carriers to allow people to store invoices without taking paper, reducing paper consumption. However, the Ministry of Finance announced that the use of vehicles is very low. The purpose of this research is to combine invoices and evaluations, so that the public can keep accounts, store invoices, evaluate stores, store rankings, and invoice matching. The store rankings use the ELO rating system to evaluate store points. At the beginning of this study, the use case analysis method of requirements analysis was used to draw the functions needed between the user and the system. Next, Wireframe was used to design the APP sketch, and then Mockup was used to do visual color matching and animation of the APP. Finally Use Android Studio to connect to the invoice API for system design and development. Its purpose is to evaluate the store based on electronic invoices, thereby increasing the credibility of store evaluations, increasing the use of vehicles, and reducing the printing of paper invoices. In order to meet the needs of papers, It even applied to the Ministry of Finance's electronic invoice integration platform to apply for invoice API permissions in the name of academic research.
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