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HTTP - URL Encoding
  • 时间:2024-12-24

HTTP - URL Encoding


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HTTP URLs can only be sent over the Internet using the ASCII character-set, which often contain characters outside the ASCII set. So these unsafe characters must be replaced with a % followed by two hexadecimal digits.

The following table shows the ASCII symbols of the characters and their replacements which can be used in the URL before passing it to the server:

ASCIISymbolReplacement
< 32 Encode with %xx where xx is the hexadecimal representation of the character.
32space+ or %20
33!%21
34"%22
35#%23
36$%24
37%%25
38&%26
39 %27
40(%28
41)%29
42**
43+%2B
44,%2C
45--
46..
47/%2F
4800
4911
5022
5133
5244
5355
5466
5577
5688
5799
58:%3A
59;%3B
60<%3C
61=%3D
62>%3E
63?%3F
64@%40
65AA
66BB
67CC
68DD
69EE
70FF
71GG
72HH
73II
74JJ
75KK
76LL
77MM
78NN
79OO
80PP
81QQ
82RR
83SS
84TT
85UU
86VV
87WW
88XX
89YY
90ZZ
91[%5B
92%5C
93]%5D
94^%5E
95__
96`%60
97aa
98bb
99cc
100dd
101ee
102ff
103gg
104hh
105ii
106jj
107kk
108ll
109mm
110nn
111oo
112pp
113qq
114rr
115ss
116tt
117uu
118vv
119ww
120xx
121yy
122zz
123{%7B
124|%7C
125}%7D
126~%7E
127 %7F
> 127 Encode with %xx where xx is the hexadecimal representation of the character.
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