From 992cbcd32944fc822109a652e51c250323c8a321 Mon Sep 17 00:00:00 2001 From: LatteCosmos Date: Sun, 18 Jan 2026 13:56:36 +1100 Subject: [PATCH] =?UTF-8?q?=E7=94=A8Java=E4=BB=A3=E7=A0=81fork=E5=AD=90?= =?UTF-8?q?=E8=BF=9B=E7=A8=8B?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/main/java/com/github/hcsp/shell/Fork.java | 7 +++++++ working-directory/output.txt | 7 +++++++ 2 files changed, 14 insertions(+) diff --git a/src/main/java/com/github/hcsp/shell/Fork.java b/src/main/java/com/github/hcsp/shell/Fork.java index 28e0700..629822f 100644 --- a/src/main/java/com/github/hcsp/shell/Fork.java +++ b/src/main/java/com/github/hcsp/shell/Fork.java @@ -3,6 +3,7 @@ import java.io.File; import java.nio.file.Path; import java.nio.file.Paths; +import java.util.Map; public class Fork { public static void main(String[] args) throws Exception { @@ -10,6 +11,12 @@ public static void main(String[] args) throws Exception { // 工作目录是项目目录下的working-directory目录（可以用getWorkingDir()方法得到这个目录对应的File对象） // 传递的命令是sh run.sh // 环境变量是AAA=123 + ProcessBuilder pb = new ProcessBuilder("sh","run.sh"); // 用 Java 代码 fork 子进程要用 processBuilder + pb.directory(getWorkingDir()); + Map envs = pb.environment(); + envs.put("AAA","123"); + pb.redirectOutput(getOutputFile()); + pb.start().waitFor(); } private static File getWorkingDir() { diff --git a/working-directory/output.txt b/working-directory/output.txt index e69de29..cd5a040 100644 --- a/working-directory/output.txt +++ b/working-directory/output.txt @@ -0,0 +1,7 @@ +AAA is: 123 +total 40 +-rw-r--r--@ 1 aliran staff 12B Jan 18 13:49 output.txt +drwxr-xr-x@ 12 aliran staff 384B Jan 18 13:34 .. +-rw-r--r--@ 1 aliran staff 47B Jan 18 13:15 run.sh +drwxr-xr-x@ 5 aliran staff 160B Jan 18 13:15 . +-rw-r--r--@ 1 aliran staff 11K Jan 18 13:15 .hidden.txt