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URL(Uniform Resource Locator)

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Presentation on theme: "URL(Uniform Resource Locator)"— Presentation transcript:

1 URL(Uniform Resource Locator)
Local Files HTTP FTP TELNET NEWS GOPHER MAIL

2 URL 的組成 PROTOCOL:HOST_ADDRESS:PORT/PATH FILE HTTP FTP TELNET NEWS
GOPHER MAIL

3 URL 必須由 ASCII 碼所組成 下列字元是保留字元,在 URL 中有特殊意義, 如果必須使用於非特定的地方,則必須以字碼
方式出現。字碼的寫法格式是 %XX,X 是一個 十六進位數 ; %3B / %2F ? %3F : %3A @ %40 = %3D & %26

4 下列字元在某些系統中具有特殊意義,因此也
不建議使用在 URL 中,而應該以字碼方式出現。 < %3C > %3E “ %22 # %23 % %25 { %7B } %7D | %7C \ %5C ^ %5E ~ %7E [ %5B ] %5D ` %60

5 Local Files photo.jpg ds/score.html ../index.html ../img/bg.gif
../../family.jpg /home/tsay/public_html/content.html home tsay public_html family.jpg course img ds index.html content.html bg.gif photo.jpg list.html score.html


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