Save Alipay, micro-channel, Agricultural Bank of China, China Merchants Bank statements to the database

After the bank statements to export, reading from different banks, month file a billing source data saved to the database in order to harmonize statistics, for example, a certain period of consumption of 100 yuan to buy the fund Alipay, micro-letter envelopes, China Merchants Bank Transfer and many more!
It relates to the processing

1. Reading data from xls, csv file.
2. Extracting encrypted files (non-cracked).
3. Source data encapsulation.