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体验新版 GitCode,发现更多精彩内容 >>
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04dea729
编写于
2月 01, 2016
作者:
R
Rafael França
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Merge pull request #23151 from maclover7/fix-23148
Add documentation for #17573
上级
2341a8e2
b3427c66
变更
2
隐藏空白更改
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2 changed file
with
11 addition
and
0 deletion
+11
-0
actionpack/lib/action_dispatch/http/cache.rb
actionpack/lib/action_dispatch/http/cache.rb
+8
-0
guides/source/5_0_release_notes.md
guides/source/5_0_release_notes.md
+3
-0
未找到文件。
actionpack/lib/action_dispatch/http/cache.rb
浏览文件 @
04dea729
...
...
@@ -80,6 +80,14 @@ def date=(utc_time)
set_header
DATE
,
utc_time
.
httpdate
end
# This method allows you to set the ETag for cached content, which
# will be returned to the end user.
#
# By default, Action Dispatch sets all ETags to be weak.
# This ensures that if the content changes only semantically,
# the whole page doesn't have to be regenerated from scratch
# by the web server. With strong ETags, pages are compared
# byte by byte, and are regenerated only if they are not exactly equal.
def
etag
=
(
etag
)
key
=
ActiveSupport
::
Cache
.
expand_cache_key
(
etag
)
super
%(W/"#{Digest::MD5.hexdigest(key)}")
...
...
guides/source/5_0_release_notes.md
浏览文件 @
04dea729
...
...
@@ -253,6 +253,9 @@ Please refer to the [Changelog][action-pack] for detailed changes.
`ActionDispatch::IntegrationTest`
instead.
(
[
commit
](
https://github.com/rails/rails/commit/4414c5d1795e815b102571425974a8b1d46d932d
)
)
*
Rails will only generate "weak", instead of strong ETags.
(
[
Pull Request
](
https://github.com/rails/rails/pull/17573
)
)
Action View
-------------
...
...
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