使用picocli的java格式化表格输出

<dependencies>
    <dependency>
        <groupId>info.picocli</groupId>
        <artifactId>picocli</artifactId>
        <version>4.6.1</version>
    </dependency>
</dependencies>

public class DataModel {
    private String column1;
    private String column2;

    // 构造函数和getter方法省略

    public String getColumn1() {
        return column1;
    }

    public String getColumn2() {
        return column2;
    }
}

import picocli.CommandLine;
import picocli.CommandLine.Command;
import picocli.CommandLine.Option;
import picocli.CommandLine.Parameters;
import picocli.CommandLine.Model.CommandSpec;
import picocli.CommandLine.Model.OptionSpec;
import picocli.CommandLine.Model.PositionalParamSpec;
import picocli.CommandLine.Model.UsageMessageSpec;
import picocli.CommandLine.HelpCommand;
import picocli.CommandLine.Help;
import picocli.CommandLine.Table;

import java.util.Arrays;
import java.util.List;

@Command(name = "mycommand", mixinStandardHelpOptions = true, version = "1.0",
        description = "A demo command using picocli")
public class MyCommand implements Runnable {

    @Override
    public void run() {
        // 创建表格
        Table table = new Table();
        // 添加表头
        table.setHeaders("Column 1", "Column 2");

        // 创建数据列表
        List<DataModel> data = Arrays.asList(
                new DataModel("Value 1", "Value 2"),
                new DataModel("Value 3", "Value 4")
        );

        // 添加数据行到表格
        for (DataModel rowData : data) {
            table.addRow(rowData.getColumn1(), rowData.getColumn2());
        }

        // 输出格式化的表格
        System.out.println(table.render());
    }

    public static void main(String[] args) {
        new CommandLine(new MyCommand()).execute(args);
    }
}

+---------+---------+
| Column 1| Column 2|
+---------+---------+
| Value 1 | Value 2 |
| Value 3 | Value 4 |
+---------+---------+