365 lines
11 KiB
Markdown
365 lines
11 KiB
Markdown
![]() |
SDKMAN 备忘清单
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====
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SDKMAN是一款管理 java 体系中的各类 SDK 版本的工具,可以用于大多数基于Uinx的系统。它提供了命令行以及API,功能有:安装、移除、列举候选版本。这个快速参考备忘单显示了它的常用命令使用清单
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- [SDKMAN 官网](http://sdkman.io)
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入门
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---
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### 安装
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| 安装命令 | 环境 |
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| :---------------------------------------- | ---------------------------------------------------- |
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| `curl -s "https://get.sdkman.io" \| bash` | macos/linux |
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| `curl -s "https://get.sdkman.io" \| bash` | windows 需要 (WSL Approach) 或者 (Git Bash Approach) |
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- 查看 sdkman 是否安装成功
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```bash
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$ sdk version
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```
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### 获取帮助
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您可以通过运行以下命令获得基本帮助:
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`$ sdk help`
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这将提供一个有用的顶级帮助页面。您可以向该命令添加限定符以获得有关特定子命令的帮助。
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`$ sdk help install`
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### 安装一个SDK
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最新稳定版通过运行以下命令安装您选择的SDK的最新稳定版本(例如Java JDK):
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```shell
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$ sdk install java
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You will see something like the following output:
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Downloading: java 21.0.2-tem
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In progress...
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######################################################################## 100.0%
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Installing: java 21.0.2-tem
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Done installing!
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Now you will be prompted if you want this version to be set asdefault.
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Do you want java 21.0.2-tem to be set as default? (Y/n):
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Answering yes (or hitting enter) will ensure that all subsequent shells opened will have this version of the SDK in use by default.
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Setting java 21.0.2-tem as default.
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```
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### 安装特定版本
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`$ sdk install scala 3.4.1`
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### 安装本地版本
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使用快照版本?已经在本地安装了吗?通过指定本地安装的路径来安装本地版本:
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`$ sdk install groovy 3.0.0-SNAPSHOT /path/to/groovy-3.0.0-SNAPSHOT`
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`$ sdk install java 17-zulu /Library/Java/JavaVirtualMachines/zulu-17.jdk/Contents/Home`
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### 删除一个指定版本
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`$ sdk uninstall scala 3.4.1`
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### 所有可以安装的软件列表
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要获得可用 sdk 的列表:
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`$ sdk list`
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```shell
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================================================================================
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Available Candidates
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================================================================================
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q-quit /-search down
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j-down ?-search up
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k-up h-help
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--------------------------------------------------------------------------------
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...
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--------------------------------------------------------------------------------
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Java (21.0.2-tem) https://projects.eclipse.org/projects/adoptium.temurin/
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Java Platform, Standard Edition (or Java SE) is a widely used platform for
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development and deployment of portable code for desktop and server environments.
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Java SE uses the object-oriented Java programming language. It is part of the
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Java software-platform family. Java SE defines a wide range of general-purpose
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APIs – such as Java APIs for the Java Class Library – and also includes the Java
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Language Specification and the Java Virtual Machine Specification.
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$ sdk install java
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--------------------------------------------------------------------------------
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...
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```
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### 获取某个 sdk 的版本列表
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`$ sdk list groovy`
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```shell
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This will result in a list view showing the available, local, installed and current versions of the SDK.
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================================================================================
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Available Groovy Versions
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================================================================================
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> * 2.4.4 2.3.1 2.0.8 1.8.3
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2.4.3 2.3.0 2.0.7 1.8.2
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2.4.2 2.2.2 2.0.6 1.8.1
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2.4.1 2.2.1 2.0.5 1.8.0
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2.4.0 2.2.0 2.0.4 1.7.9
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2.3.9 2.1.9 2.0.3 1.7.8
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2.3.8 2.1.8 2.0.2 1.7.7
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2.3.7 2.1.7 2.0.1 1.7.6
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2.3.6 2.1.6 2.0.0 1.7.5
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2.3.5 2.1.5 1.8.9 1.7.4
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2.3.4 2.1.4 1.8.8 1.7.3
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2.3.3 2.1.3 1.8.7 1.7.2
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2.3.2 2.1.2 1.8.6 1.7.11
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2.3.11 2.1.1 1.8.5 1.7.10
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2.3.10 2.1.0 1.8.4 1.7.1
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================================================================================
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+ - local version
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* - installed
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> - currently in use
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================================================================================
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```
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### 使用指定版本
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选择在当前终端中使用给定版本:
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`$ sdk use scala 3.4.1`
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**重要的是要意识到,这将仅切换当前 shell 的 SDK 版本。若要使此更改永久化,请改用默认命令。**
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### 设置默认版本
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选择将给定版本设为默认版本:
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`$ sdk default scala 3.4.1`
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这将确保所有后续 shell 将从使用中的版本 3.4.1。
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### 查看当前使用的版本
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要查 sdk 当前使用的版本:
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```shell
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$ sdk current java
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Using java version 21.0.2-tem
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```
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要查看所有 sdk 当前使用的版本:
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```shell
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$ sdk current
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Using:
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groovy: 4.0.20
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java: 21.0.2-tem
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scala: 3.4.1
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```
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### 配置 ENV
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想在每次访问项目时切换到特定的 JDK 或 SDK 吗?这可以通过项目基本目录中的 `.sdkmanrc` 文件来实现。可以通过发出以下命令自动生成此文件:
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`$ sdk env init`
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现在已经在当前目录中创建了一个包含以下内容的配置文件:
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```conf
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# Enable auto-env through the sdkman_auto_env config
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# Add key=value pairs of SDKs to use below
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java=21.0.2-tem
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```
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该文件预先填充了当前使用的JDK版本,但可以根据需要包含任意多个支持的SDK的键值对。要切换到 `.sdkmanrc`文件中的配置,只需发出以下命令:
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`sdk env`
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您应该看到如下输出:
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`Using java version 21.0.2-tem in this shell.`
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您的路径现在也已更新为在当前 shell 中使用这些 SDK 中的任何一个。离开项目时,您可能需要将SDK重置为默认版本。这可以通过输入:
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```shell
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$ sdk env clear
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```
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将java版本恢复到21.0.2-tem(默认)签出新项目后,您可能缺少在项目的 `.sdkmanrc` 文件中指定的一些SDK。要安装这些丢失的SDK,只需键入:
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```shell
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$ sdk env install
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Downloading: java 21.0.2-tem
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In progress...
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######################################################################## 100,0%
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Repackaging Java 21.0.2-tem...
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Done repackaging...
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Installing: java 21.0.2-tem
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Done installing!
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```
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您想在 cd 到目录中时自动切换 SDK 版本吗?这可以通过在 sdkman 配置中设置 `sdkman_auto_env=true` 来实现。请注意,这也会在离开目录时将任何特定于项目的SDK重置为默认版本。
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### 升级版本
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要查看您系统中 SDK 当前过期的内容:
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```shell
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$ sdk upgrade springboot
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Upgrade:
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springboot (1.2.4.RELEASE, 1.2.3.RELEASE < 3.2.4)
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```
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要查看所有 SDK 的过时内容:
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```shell
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$ sdk upgrade
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Upgrade:
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gradle (2.3, 1.11, 2.4, 2.5 < 8.7)
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grails (2.5.1 < 6.1.1)
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springboot (1.2.4.RELEASE, 1.2.3.RELEASE < 3.2.4
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```
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### SDKMAN 版本
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```shell
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$ sdk version
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SDKMAN!
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script: 5.7.0
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native: 0.1.3
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```
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### 离线模式
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最初被称为飞行模式,这允许SDKMAN!以在脱机工作时发挥作用。它有一个参数,可以传递给启用或禁用脱机模式。
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```shell
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$ sdk offline enable
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Forced offline mode enabled.
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$ sdk offline disable
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Online mode re-enabled
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```
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在离线模式下操作时,大多数命令仍然可以工作,即使它们将以缩小的容量操作。例如list命令,它将只显示当前安装的和活动的版本:
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```shell
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$ sdk list groovy
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------------------------------------------------------------
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Offline Mode: only showing installed groovy versions
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------------------------------------------------------------
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>
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> 2.4.4
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- 2.4.3
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------------------------------------------------------------
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- - installed
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>
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> - currently in use
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>
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------------------------------------------------------------
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```
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当互联网可用/不可用时,离线模式也将自动禁用/启用。当然,需要互联网连接的命令不会起作用,但会发出警告。
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### 自动更新
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安装新版本的SDKMAN!如果可用。
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`$ sdk selfupdate`
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如果没有可用的新版本,将显示相应的消息。可以通过将force参数传递给命令来强制重新安装:
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`$ sdk selfupdate force`
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自动每日检查新版本的SDKMAN!也将代表用户执行。
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### 更新
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定期更新 SDKMAN!需要更新以了解新的(或已删除的)SDK。当 SDK 元数据可能变得过时时,会显示一条警告,并说明如何更新。只需运行以下命令,就可以刷新 SDK 缓存,并且可以安装新的 SDK 缓存:
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```shell
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WARNING: SDKMAN is out-of-date and requires an update.
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$ sdk update
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Adding new candidates(s): kotlin
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```
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### Flush
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应该很少需要刷新 SDKMAN!。flush命令有助于实现这一点,因此您不需要删除任何目录。
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手动删除像 .sdkman/tmp 目录这样的目录会破坏 sdkman!请始终使用 flush 命令!
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`$ sdk flush`
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### Home
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在脚本中使用 SDKMAN 时,获取SDK所在位置的绝对路径通常很有用(类似于 java_home 命令在 macOS 上的工作方式)。为此,我们拥有设置权限。
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```shell
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$ sdk home java 21.0.2-tem
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/home/myuser/.sdkman/candidates/java/21.0.2-tem
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```
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### Configuration
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可以在 ~/.sdkman/etc/config 文件中找到配置。要编辑配置,可以发出 sdk-config 命令在系统编辑器中编辑此文件。以下配置可用:
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```conf
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# make sdkman non-interactive, preferred for CI environments
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sdkman_auto_answer=true|false
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# check for newer versions and prompt for update
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sdkman_selfupdate_feature=true|false
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# disables SSL certificate verification
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# https://github.com/sdkman/sdkman-cli/issues/327
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# HERE BE DRAGONS....
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sdkman_insecure_ssl=true|false
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# configure curl timeouts
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sdkman_curl_connect_timeout=5
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sdkman_curl_continue=true
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sdkman_curl_max_time=10
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# subscribe to the beta channel
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sdkman_beta_channel=true|false
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# enable verbose debugging
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sdkman_debug_mode=true|false
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# enable colour mode
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sdkman_colour_enable=true|false
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# enable automatic env
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sdkman_auto_env=true|false
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# enable bash or zsh auto-completion
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sdkman_auto_complete=true|false
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```
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