我正在创建一个玩具基座服务,其目的是提供以下资源:
/
/movies
/movies/today
/movies/:iso-date
,其中:iso-date
匹配#-##-#-##最后一条路由的约束用以下代码段定义:
^:constraints {:iso-date #"\d{4}-\d{2}-\d{2}"}
每当包含此约束的路由出现在路由表中时,我就无法获得它的同级路由/movies/today
;相反,我将得到一个“未找到”的响应。但是,当有约束的路由被移除时,/movies/today
的GET就成功了。
我用简洁的格式定义的基座路线如下所示:
(defroutes routes
[[["/" {:get root-page}
["/movies" ^:interceptors [fetch-movies]
{:get movies-page}
["/today" {:get movies-for-today-page}]
["/:iso-date" ^:constraints {:iso-date #"\d{4}-\d{2}-\d{2}"}
{:get movies-for-date-page}]]]]])
为了实现我想要的路由行为,我是否正确地构造了这个路由表?
注意:打印编译后的路由给出了我预期的结果,因为所有的路由都显示了生成的:path-re
正则表达式匹配,就像在REPL中预期的那样:
({:path-parts [""],
:path-params [],
:interceptors
[{:name :foobar.service/root-page,
:enter
#object[io.pedestal.interceptor.helpers$before$fn__7359 0x14501070 "io.pedestal.interceptor.helpers$before$fn__7359@14501070"],
:leave nil,
:error nil}],
:path "/",
:method :get,
:path-re #"/\Q\E",
:route-name :foobar.service/root-page}
{:path-parts ["" "movies"],
:path-params [],
:interceptors
[{:name :foobar.service/fetch-movies,
:enter
#object[io.pedestal.interceptor.helpers$on_request$fn__7401 0x2aa85cc4 "io.pedestal.interceptor.helpers$on_request$fn__7401@2aa85cc4"],
:leave nil,
:error nil}
{:name :foobar.service/movies-page,
:enter
#object[io.pedestal.interceptor.helpers$before$fn__7359 0x30ffc3c0 "io.pedestal.interceptor.helpers$before$fn__7359@30ffc3c0"],
:leave nil,
:error nil}],
:path "/movies",
:method :get,
:path-re #"/\Qmovies\E",
:route-name :foobar.service/movies-page}
{:path-parts ["" "movies" "today"],
:path-params [],
:interceptors
[{:name :foobar.service/fetch-movies,
:enter
#object[io.pedestal.interceptor.helpers$on_request$fn__7401 0x2aa85cc4 "io.pedestal.interceptor.helpers$on_request$fn__7401@2aa85cc4"],
:leave nil,
:error nil}
{:name :foobar.service/movies-for-today-page,
:enter
#object[io.pedestal.interceptor.helpers$before$fn__7359 0x3726fc3b "io.pedestal.interceptor.helpers$before$fn__7359@3726fc3b"],
:leave nil,
:error nil}],
:path "/movies/today",
:method :get,
:path-re #"/\Qmovies\E/\Qtoday\E",
:route-name :foobar.service/movies-for-today-page}
{:path-parts ["" "movies" :iso-date],
:path-params [:iso-date],
:interceptors
[{:name :foobar.service/fetch-movies,
:enter
#object[io.pedestal.interceptor.helpers$on_request$fn__7401 0x2aa85cc4 "io.pedestal.interceptor.helpers$on_request$fn__7401@2aa85cc4"],
:leave nil,
:error nil}
{:name :foobar.service/movies-for-date-page,
:enter
#object[io.pedestal.interceptor.helpers$before$fn__7359 0x93fb20b "io.pedestal.interceptor.helpers$before$fn__7359@93fb20b"],
:leave nil,
:error nil}],
:path "/movies/:iso-date",
:path-constraints {:iso-date "(\\d{4}-\\d{2}-\\d{2})"},
:query-constraints {},
:method :get,
:path-re #"/\Qmovies\E/(\d{4}-\d{2}-\d{2})",
:route-name :foobar.service/movies-for-date-page})
发布于 2015-05-04 06:20:12
我在0.4.1版快照中解决了这个问题。
(io.pedestal.http.route/router my-routes :linear-search)
使用:linear-search
,而不是:prefix-tree
。
https://stackoverflow.com/questions/29998012
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