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PSDI Army
yii2
Commits
a6aff81a
Commit
a6aff81a
authored
Sep 25, 2014
by
东方孤思子(Paris·QianSen)
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docs/guide-zh-CN/README.md
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a6aff81a
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@@ -139,6 +139,7 @@ RESTful Web 服务
-----
*
**编撰中**
[
概述
](
test-overview.md
)
*
**编撰中**
[
搭建测试环境
](
test-endvironment-setup.md
)
*
**编撰中**
[
单元测试
](
test-unit.md
)
*
**编撰中**
[
功能测试
](
test-functional.md
)
*
**编撰中**
[
验收测试
](
test-acceptance.md
)
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docs/guide-zh-CN/caching-http.md
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@@ -86,7 +86,8 @@ ETag 相比 `Last-Modified` 能实现更复杂和更精确的缓存策略。例
复杂的 Etag 生成种子可能会违背使用
`HttpCache`
的初衷而引起不必要的性能开销,因为响应每一次请求都需要重新计算 Etag。请试着找出一个最简单的表达式去触发 Etag 失效。
> 注意:为了遵循 [RFC 2616, section 13.3.4(HTTP 协议)](http://tools.ietf.org/html/rfc2616#section-13.3.4),如果同时配置了 `ETag` 和 `Last-Modified` 头,`HttpCache` 将会同时发送它们,因此它们将被同时用于客户端的缓存失效校验。
> 注意:为了遵循 [RFC 7232(HTTP 1.1 协议)](http://tools.ietf.org/html/rfc7232#section-2.4),如果同时配置了 `ETag` 和 `Last-Modified` 头,`HttpCache` 将会同时发送它们。并且如果客户端同时发送 `If-None-Match` 头和 `If-Modified-Since` 头,则只有前者会被接受。
## `Cache-Control` 头 <a name="cache-control"></a>
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