Spring Boot CLI 提供了一种有趣的、不同寻常的 Spring 应用程序开发方式。后续章节将详细解释 Spring Boot CLI 提供的功能。我们先来看看如何安装Spring Boot CLI！
安装Spring Boot CLI最直接的方法大约是下载、 解压， 随后将它的bin目录添加到系统路径里。你可以从以下两个地址下载分发包：
下载完成之后，把它解压到文件系统的任意目录里。Spring Boot CLI 目录结构如下图：
进入 bin 目录，其中包含了一个 spring.bat 脚本（用于Windows环境）和一个spring脚本（用于 Unix/Linux 环境）。如下图：
把这个bin目录添加到系统路径里，然后就能使用 Spring Boot CLI了。如下：
C:\Users\Administrator> spring --version
Spring CLI v2.3.1.RELEASE在使用 Spring Boot CLI 之前，我们可以使用 “spring --help” 命令查看 帮助信息。如下：
C:\Users\Administrator\Desktop>spring --help
usage: spring [--help] [--version]
<command> [<args>]
Available commands are:
run [options] <files> [--] [args]
Run a spring groovy script
grab
Download a spring groovy script's dependencies to ./repository
jar [options] <jar-name> <files>
Create a self-contained executable jar file from a Spring Groovy script
war [options] <war-name> <files>
Create a self-contained executable war file from a Spring Groovy script
install [options] <coordinates>
Install dependencies to the lib/ext directory
uninstall [options] <coordinates>
Uninstall dependencies from the lib/ext directory
init [options] [location]
Initialize a new project using Spring Initializr (start.spring.io)
encodepassword [options] <password to encode>
Encode a password for use with Spring Security
shell
Start a nested shell
Common options:
--debug Verbose mode
Print additional status information for the command you are running
See 'spring help <command>' for more information on a specific command.根据上面帮助信息，我们可以使用 init（Initialize a new project using Spring Initializr (start.spring.io)） 命令创建项目。
使用 “spring help init” 查看 init 命令的帮助信息。如下：
C:\Users\Administrator\Desktop>spring help init
spring init - Initialize a new project using Spring Initializr (start.spring.io)
usage: spring init [options] [location]
Option Description
------ -----------
-a, --artifactId <String> Project coordinates; infer archive name (for
example 'test')
-b, --boot-version <String> Spring Boot version (for example '1.2.0.RELEASE')
--build <String> Build system to use (for example 'maven' or
'gradle') (default: maven)
-d, --dependencies <String> Comma-separated list of dependency identifiers to
include in the generated project
--description <String> Project description
-f, --force Force overwrite of existing files
--format <String> Format of the generated content (for example
'build' for a build file, 'project' for a
project archive) (default: project)
-g, --groupId <String> Project coordinates (for example 'org.test')
-j, --java-version <String> Language level (for example '1.8')
-l, --language <String> Programming language (for example 'java')
--list List the capabilities of the service. Use it to
discover the dependencies and the types that are
available
-n, --name <String> Project name; infer application name
-p, --packaging <String> Project packaging (for example 'jar')
--package-name <String> Package name
-t, --type <String> Project type. Not normally needed if you use --
build and/or --format. Check the capabilities of
the service (--list) for more details
--target <String> URL of the service to use (default: https://start.
spring.io)
-v, --version <String> Project version (for example '0.0.1-SNAPSHOT')
-x, --extract Extract the project archive. Inferred if a
location is specified without an extension
examples:
To list all the capabilities of the service:
$ spring init --list
To creates a default project:
$ spring init
To create a web my-app.zip:
$ spring init -d=web my-app.zip
To create a web/data-jpa gradle project unpacked:
$ spring init -d=web,jpa --build=gradle my-dir根据上面的帮助创建一个简单的项目。实例：
spring init --build=maven --java-version=1.8 --dependencies=web
--packaging=jar --boot-version=1.5.7.RELEASE
--groupId=com.hxstrive.demo --artifactId=demo
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