Spring Boot是一个命令行工具，用于使用Spring进行快速原型搭建。它允许你运行Groovy脚本，这意味着你可以使用类Java的语法，并且没有那么多的模板代码。

所有版本下载地址
这里下载的版本spring-boot-cli-2.2.0.BUILD-20190222.193142-143-bin.tar.gz

下载完成后解压

tar   spring-boot-cli-2.2..BUILD-20190222.193142--bin.tar.gz  -C  /home/maxzhao/

cd /home/maxzhao

mv spring-2.2..BUILD-SNAPSHOT  spring-2.2.-cli

cd spring-2.2.-cli

当前目录下有INSTALL.txt文件，这里面就是具体的安装方法。
INSTALL.txt文件中讲的很清楚了，spring-boot-cli-2.2.0 需要JDK1.8+

环境变量配置：

# 管理员下

# set springboot-cli

vim /etc/profile

#最后输入

export SPRING_HOME="/home/maxzhao/soft/spring-2.2.0-cli"

export PATH="$SPRING_HOME/bin:$PATH"

#保存

source /etc/profile

spring --version

# Spring CLI v2.2.0.BUILD-SNAPSHOT

简单的springboot-cli例子

运行Groovy脚本

在完成了Spring Boot CLI的安装之后，我们来试试使用它来快速的构建一个Spring Boot应用，方法很简单，只需要如下操作：

第一步：新建一个Groovy脚本，hello.groovy，内容如下：

@RestController

class ThisWillActuallyRun {

    @RequestMapping("/")

    String home() {

        "Hello World!"

    }

}

第二步：使用spring命令运行该Groovy脚本，具体如下：

$ spring run hello.groovy

Resolving dependencies...............................................

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-- ::20.571  INFO  --- [       runner-] o.s.boot.SpringApplication               : Starting application on zhaiyongchaodeMacBook-Pro.local with PID  (started by zhaiyongchao in /Users/zhaiyongchao/Downloads)

-- ::20.574  INFO  --- [       runner-] o.s.boot.SpringApplication               : No active profile set, falling back to default profiles: default

-- ::20.732  INFO  --- [       runner-] ConfigServletWebServerApplicationContext : Refreshing org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext@3c3ad454: startup date [Wed Apr  :: CST ]; root of context hierarchy

-- ::21.758  INFO  --- [       runner-] o.s.b.w.embedded.tomcat.TomcatWebServer  : Tomcat initialized with port(s):  (http)

-- ::21.783  INFO  --- [       runner-] o.apache.catalina.core.StandardService   : Starting service [Tomcat]

-- ::21.784  INFO  --- [       runner-] org.apache.catalina.core.StandardEngine  : Starting Servlet Engine: Apache Tomcat/8.5.

-- ::21.795  INFO  --- [ost-startStop-] o.a.catalina.core.AprLifecycleListener   : The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: [/Users/zhaiyongchao/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.]

-- ::21.849  INFO  --- [ost-startStop-] org.apache.catalina.loader.WebappLoader  : Unknown loader org.springframework.boot.cli.compiler.ExtendedGroovyClassLoader$DefaultScopeParentClassLoader@5e3b901 class org.springframework.boot.cli.compiler.ExtendedGroovyClassLoader$DefaultScopeParentClassLoader

-- ::21.884  INFO  --- [ost-startStop-] o.a.c.c.C.[Tomcat].[localhost].[/]       : Initializing Spring embedded WebApplicationContext

-- ::21.885  INFO  --- [ost-startStop-] o.s.web.context.ContextLoader            : Root WebApplicationContext: initialization completed in  ms

-- ::22.042  INFO  --- [ost-startStop-] o.s.b.w.servlet.ServletRegistrationBean  : Servlet dispatcherServlet mapped to [/]

-- ::22.049  INFO  --- [ost-startStop-] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'characterEncodingFilter' to: [/*]

2018-04-04 18:11:22.049  INFO 70477 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'hiddenHttpMethodFilter' to: [/*]

2018-04-04 18:11:22.049  INFO 70477 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'httpPutFormContentFilter' to: [/*]

2018-04-04 18:11:22.049  INFO 70477 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'requestContextFilter' to: [/*]

2018-04-04 18:11:22.391  INFO 70477 --- [       runner-0] s.w.s.m.m.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext@3c3ad454: startup date [Wed Apr 04 18:11:20 CST 2018]; root of context hierarchy

2018-04-04 18:11:22.489  INFO 70477 --- [       runner-0] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/]}" onto public java.lang.String ThisWillActuallyRun.home()

2018-04-04 18:11:22.495  INFO 70477 --- [       runner-0] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error]}" onto public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boot.autoconfigure.web.servlet.error.BasicErrorController.error(javax.servlet.http.HttpServletRequest)

2018-04-04 18:11:22.496  INFO 70477 --- [       runner-0] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error],produces=[text/html]}" onto public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.servlet.error.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)

2018-04-04 18:11:22.550  INFO 70477 --- [       runner-0] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/webjars/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]

2018-04-04 18:11:22.550  INFO 70477 --- [       runner-0] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]

2018-04-04 18:11:22.598  INFO 70477 --- [       runner-0] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/**/favicon.ico] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]

-- ::22.955  INFO  --- [       runner-] o.s.j.e.a.AnnotationMBeanExporter        : Registering beans for JMX exposure on startup

-- ::23.004  INFO  --- [       runner-] o.s.b.w.embedded.tomcat.TomcatWebServer  : Tomcat started on port(s):  (http) with context path ''

-- ::23.010  INFO  --- [       runner-] o.s.boot.SpringApplication

从日志中我们可以看到我们通过Groovy脚本定义的一个简单web应用就构建成功了，可以通过访问localhost:8080来验证一下上面应用提供的接口：

$ curl localhost:

Hello World!

可以在命令中附加spring配置参数，注意要多加一个--

$ spring run hello.groovy -- --server.port=

要设置JVM参数，可以使用JAVA_OPTS环境变量，比如：

$ JAVA_OPTS=-Xmx1024m spring run hello.groovy

初始化新项目

使用init命令可以创建一个新的项目。如：

$ spring init --dependencies=web,data-jpa my-project

这个命令会创建一个名为my-project的目录，在其中包含一个基于Maven的项目，并添加对于spring-boot-starter-web和spring-boot-starter-data-jpa的依赖。

你可以使用--list标记来显示所有可用的依赖。

$ spring init --list

运行spring help init可以查看具体的使用说明。

如下的命令会创建一个基于Gradle和java8的打包类型为war的项目。

$ spring init --build=gradle --java-version=1.8 --dependencies=websocket --packaging=war sample-app.zip

使用Spring Shell

Spring Boot CLI内置了一个shell，执行spring shell即可启动。这个shell支持ANSI彩色输出和tab键，如果要执行原生命令，在命令前加上!前缀即可。更多具体使用方法，可以在进入shell后输入help查看。

Spring Boot CLI——centos7

运行Groovy脚本

初始化新项目

使用Spring Shell

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