Clojure環(huán)境安裝與QuickStart
如果你連環(huán)境都不想安裝,想直接體驗(yàn)一下Clojure的Lisp感覺,你只要保證你聯(lián)網(wǎng),就能做到.
打開http://www.tryclj.com/,這里不需要做任何配置，直接在瀏覽器上就可以試驗(yàn) Clojure
項(xiàng)目地址: http://www.tryclj.com/
源碼安裝
首先要配置好JDK環(huán)境,這里不多說.
這個(gè)是clojure項(xiàng)目github:
https://github.com/clojure/clojure
讓我們直接從源碼build打包,然后在java命令行進(jìn)入Clojure交互運(yùn)行環(huán)境REPL.
執(zhí)行如下命令:
git clone https://github.com/clojure/clojure
cd clojure
mvn package -Dmaven.test.skip
然后,我們可以在target目錄下面,看到clojure-1.9.0-master-SNAPSHOT.jar
在命令行,直接運(yùn)行java命令行:
java -cp clojure-1.9.0-master-SNAPSHOT.jar clojure.main
我們即可進(jìn)入Clojure的交互式命令行環(huán)境(read-eval-print loop (REPL)):
Clojure 1.9.0-master-SNAPSHOT
user=> (+ 1 2 3)
6
user=> (javax.swing.JOptionPane/showMessageDialog nil "Hello,Clojure!")
nil
輸出如下圖:
豢煺?2016-06-28 15.58.33.png)
使用Leiningen
Leiningen是一個(gè)Clojure項(xiàng)目管理工具。
Mac上使用homebrew安裝
sudo brew install leiningen
如果因?yàn)榫W(wǎng)絡(luò)原因安裝失敗，刪除掉~/.lein目錄后重新執(zhí)行l(wèi)ein命令即可哀澈。
現(xiàn)在可以啟動(dòng)一個(gè)REPL會(huì)話,更簡(jiǎn)單：
lein repl
啟動(dòng)成功,控制臺(tái)輸出:
Retrieving org/clojure/tools.nrepl/0.2.12/tools.nrepl-0.2.12.pom from central
Retrieving clojure-complete/clojure-complete/0.2.4/clojure-complete-0.2.4.pom from clojars
Retrieving org/clojure/clojure/1.8.0/clojure-1.8.0.pom from central
Retrieving org/clojure/tools.nrepl/0.2.12/tools.nrepl-0.2.12.jar from central
Retrieving org/clojure/clojure/1.8.0/clojure-1.8.0.jar from central
Jun 28, 2016 4:14:21 PM org.apache.http.impl.execchain.RetryExec execute
資訊: I/O exception (java.net.SocketException) caught when processing request to {s}->https://clojars.org:443: Connection reset
Jun 28, 2016 4:14:21 PM org.apache.http.impl.execchain.RetryExec execute
資訊: Retrying request to {s}->https://clojars.org:443
Retrieving clojure-complete/clojure-complete/0.2.4/clojure-complete-0.2.4.jar from clojars
nREPL server started on port 58986 on host 127.0.0.1 - nrepl://127.0.0.1:58986
REPL-y 0.3.7, nREPL 0.2.12
Clojure 1.8.0
Java HotSpot(TM) 64-Bit Server VM 1.8.0_40-b27
Docs: (doc function-name-here)
(find-doc "part-of-name-here")
Source: (source function-name-here)
Javadoc: (javadoc java-object-or-class-here)
Exit: Control+D or (exit) or (quit)
Results: Stored in vars *1, *2, *3, an exception in *e
user=> (* 1 2 3 4 5 6 7 8 9)
362880
user=> (+ 1 2 3 4 5 6 7 8 9)
45
