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-- Byte conversion -- First character print(string.byte("Lua")) -- Third character print(string.byte("Lua",3)) -- first character from last print(string.byte("Lua",-1)) -- Second character print(string.byte("Lua",2)) -- Second character from last print(string.byte("Lua",-2)) -- Internal Numeric ASCII Conversion print(string.char(97))
运行结果 :
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