使用spring-shell创建交互式命令行应用流程

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

    <modelVersion>4.0.0</modelVersion>
    <groupId>com.x2_sap_collect</groupId>
    <artifactId>x2_sap_collect_shell</artifactId>
    <version>1.0-SNAPSHOT</version>

    <!--项目属性-->
    <properties>
        <maven.compiler.source>1.8</maven.compiler.source>
        <maven.compiler.target>1.8</maven.compiler.target>

        <!--启动类-->
        <start-class>com.x2_sap_collect.ShellApplication</start-class>

        <!--跳过测试类-->
        <skipTests>true</skipTests>
    </properties>

    <!--项目依赖-->
    <dependencies>

        <!--一定要依赖-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter</artifactId>
            <version>2.7.14</version>
        </dependency>

        <!--一定要依赖-->
        <dependency>
            <groupId>org.springframework.shell</groupId>
            <artifactId>spring-shell-starter</artifactId>
            <version>2.1.11</version>
        </dependency>
    </dependencies>

    <!--编译设置-->
    <build>
        <plugins>
        
            <!--配置spring boot的打包依赖，方便把整个项目打包为Jar文件-->
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <version>2.5.4</version>
                <executions>
                    <execution>
                        <goals>
                            <goal>repackage</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>

</project>

package com.x2_sap_collect;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class ShellApplication {

    public static void main(String[] args) {
        SpringApplication app = new SpringApplication(ShellApplication.class);
        app.run(args);
    }
}

package com.x2_sap_collect.task;

import org.springframework.shell.standard.ShellComponent;
import org.springframework.shell.standard.ShellMethod;

@ShellComponent
public class V1 {
    @ShellMethod("Add two integers together.")
    public int add(int a, int b) {
        return a + b;
    }
}

java -jar .\x2_sap_collect_shell-1.0-SNAPSHOT.jar
shell:>add --a 1 --b 2
3