Lua中關係運算子的使用教程

來源:互聯網
上載者:User

Lua中關係運算子的使用教程

   這篇文章主要介紹了Lua中關係運算子的使用教程,是Lua學習入門中的基礎知識,需要的朋友可以參考下

  下表列出了所有的Lua語言支援的關係運算子。假設變數A持有10和變數B持有20則:

  樣本

  試試下面的例子就明白了所有的Lua程式設計語言提供的關係運算子:

  代碼如下:

  a = 21

  b = 10

  if( a == b )

  then

  print("Line 1 - a is equal to b" )

  else

  print("Line 1 - a is not equal to b" )

  end

  if( a ~= b )

  then

  print("Line 2 - a is not equal to b" )

  else

  print("Line 2 - a is equal to b" )

  end

  if ( a < b )

  then

  print("Line 3 - a is less than b" )

  else

  print("Line 3 - a is not less than b" )

  end

  if ( a > b )

  then

  print("Line 4 - a is greater than b" )

  else

  print("Line 5 - a is not greater than b" )

  end

  -- Lets change value of a and b

  a = 5

  b = 20

  if ( a <= b )

  then

  print("Line 5 - a is either less than or equal to b" )

  end

  if ( b >= a )

  then

  print("Line 6 - b is either greater than or equal to b" )

  end

  當建立並執行上面的程式它會產生以下結果:

  代碼如下:

  Line 1 - a is not equal to b

  Line 2 - a is not equal to b

  Line 3 - a is not less than b

  Line 4 - a is greater than b

  Line 5 - a is either less than or equal to b

  Line 6 - b is either greater than or equal to b

相關文章

聯繫我們

該頁面正文內容均來源於網絡整理,並不代表阿里雲官方的觀點,該頁面所提到的產品和服務也與阿里云無關,如果該頁面內容對您造成了困擾,歡迎寫郵件給我們,收到郵件我們將在5個工作日內處理。

如果您發現本社區中有涉嫌抄襲的內容,歡迎發送郵件至: info-contact@alibabacloud.com 進行舉報並提供相關證據,工作人員會在 5 個工作天內聯絡您,一經查實,本站將立刻刪除涉嫌侵權內容。

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.