0.环境

windows11pro

1.工具下载

GitHub - Mu-L/JEnv-for-Windows: Change your current Java version with one line

or

JEnv-for-Windows:Change your current Java version with one line - GitCode

2.执行jenv 初始化

2.1 问题：PowerShell 未对文件\XXX.ps1进行数字签名

解决问题参照url：关于执行策略 - PowerShell | Microsoft Learn

执行以下命令：

Get-ExecutionPolicy -List

目标结果：

Scope ExecutionPolicy----- ---------------
MachinePolicy       UndefinedUserPolicy       UndefinedProcess       UndefinedCurrentUser    RemoteSignedLocalMachine    RemoteSigned

执行：

Set-ExecutionPolicy -ExecutionPolicy RemoteSigned-Scope CurrentUser
Set-ExecutionPolicy -ExecutionPolicy RemoteSigned-Scope LocalMachine

再执行：命令参照:Unblock-File - PowerShell - SS64.com

Get-ChildItem 文件夹绝对路径 -File -Recurse | Unblock-File

最后执行 jenv 成功

jdk压缩包下载地址：Java Archive | Oracle

下载放入指定目录，参照 JEnv-for-Windows的使用文档执行命令

jenv add jdk17 D:\middleware\java\jdk-17.0.10
jenv use jdk17
jenv local jdk17
java -version