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开源软件名称(OpenSource Name):RubyMoney/google_currency开源软件地址(OpenSource Url):https://github.com/RubyMoney/google_currency开源编程语言(OpenSource Language):HTML 72.9%开源软件介绍(OpenSource Introduction):ARCHIVEDGoogle's Finance Converter is no more. This exists only for historical purposes. Please see below for alternatives. Google CurrencyThis gem extends Money::Bank::VariableExchange with Money::Bank::GoogleCurrency and gives you access to the current Google Currency exchange rates. WarningThis gem relies on Google's Finance Converter, which is getting deprecated without a known replacement. The network failures you might be getting are most likely the result of the deprecation. Use at your own risk! Here's a list of alternative currency converters that you might wanna use instead — https://github.com/RubyMoney/money#implementations. Usagerequire 'money'
require 'money/bank/google_currency'
# (optional)
# set the seconds after than the current rates are automatically expired
# by default, they never expire
Money::Bank::GoogleCurrency.ttl_in_seconds = 86400
# set default bank to instance of GoogleCurrency
Money.default_bank = Money::Bank::GoogleCurrency.new
# create a new money object, and use the standard #exchange_to method
money = Money.new(1_00, "USD") # amount is in cents
money.exchange_to(:EUR)
# or install and use the 'monetize' gem
require 'monetize'
money = 1.to_money(:USD)
money.exchange_to(:EUR) An An A A CaveatsThis gem uses Google Finance Converter under the hood. Exchange rates are,
What this means is that if the JPY to USD exchange rate is 0.0083660, Google will report the JPY to USD exchange rate as 0.0084. As a result, a larger JPY to USD conversion such as 10000 JPY to USD would yield 84 USD instead of 83.66 USD. Consequently, this means that small exchange rates will be imprecise. For example, if the IDR to USD exchange rate were 0.00007761, Google will report it as 0.0001. This means 100000 IDR would exchange to 10 USD instead of 7.76 USD. To accommodate for this, the reverse rate will be obtained if the rate is small (below 0.1) and the reciprocal of this reverse rate is used. CopyrightCopyright (c) 2011 Shane Emmons. See LICENSE for details. |
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