This question is very simple, the Bank of China has a page to check the exchange rate of the day (http://www.bank-of-china.com/info/qpindex.shtml), but is the traditional Html format, and it does not provide Xml format or WebService query. If you want other information systems to read the data at any time, it is convenient that the Bank of China provides a WebService interface for you to call. This is also a typical secure WebService application. Unfortunately, the Bank of China did not do this. Can we do it ourselves? Of course, as long as you use a program to analyze its html webpage, you can easily read the data. Text analysis, of course, depends on our "Regular Expression" (haha, in fact, this is the real purpose of writing this program-apply Regular expressions .)
The BOC page is similar:
Date: 2004/09/30 valid period: 2004/10/07
Currency name current remittance purchase price current banknote purchase price selling price benchmark price
1488.1700
1453.1500
1492.6400
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