Rails：是否有將逗號添加到大數的 rails 技巧？ - Rails: Is there a rails trick to adding commas to large numbers?

問題：

Is there a way to have rails print out a number with commas in it?有沒有辦法讓 rails 打印出一個帶有逗號的數字？

For example, if I have a number 54000000.34, I can run <%= number.function %>, which would print out "54,000,000.34"例如，如果我有一個數字 54000000.34，我可以運行 <%= number.function %>，它會打印出“54,000,000.34”

thanks!謝謝！

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解決方案：

參考一： https://en.stackoom.com/question/4WWh
參考二： https://stackoom.com/question/4WWh