Ruby Chinese Encoding

In den vorherigen Kapiteln haben wir gelernt, wie man mit Ruby "Hallo, Welt!" ausgibt, und das Englische funktioniert einwandfrei, aber wenn Sie chinesische Zeichen "你好，世界" ausgeben, könnte es zu chinesischen Kodierungsproblemen kommen.

If the encoding is not specified in the Ruby file, an error will occur during execution:

#!/usr/bin/ruby -w
puts "Hello, World!";

The output result of the above program execution is:

invalid multibyte char (US-(ASCII) 

The above error information shows that Ruby uses ASCII encoding to read source code, Chinese will appear garbled, the solution is to add # -*- coding: UTF-8 -*-(EMAC writing) or #coding=utf-8 is enough.

Online Examples

#!/usr/bin/ruby -w
# -*- coding: UTF-8 -*-
puts "Hello, World!";

The output result is:

Hello, World!

So if everyone in the process of learning, if the source code file contains Chinese encoding, then pay attention to two points:

• 1. Must add it at the first line # -*- coding: UTF-8 -*-, tell the interpreter to use utf-8to parse the source code.
• 2. Must set the encoding of the file saved by the editor to utf-8.
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