粘贴板同步功能

package com.company.app.controller;


import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

import java.awt.*;
import java.awt.datatransfer.Clipboard;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.StringSelection;
import java.awt.datatransfer.Transferable;


@RestController
public class DemoController {



    @GetMapping(value = "/get",produces = {"application/json; charset=UTF-8"})
    public String get() {
        return getClipboardString();
    }

    @GetMapping("/set")
    public String get(String value) {
         setClipboardString(value);
         return "ok:"+getClipboardString();
    }

    /**
     * 从剪贴板中获取文本（粘贴）
     */
    public static String getClipboardString() {
        // 获取系统剪贴板
        Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();

        // 获取剪贴板中的内容
        Transferable trans = clipboard.getContents(null);

        if (trans != null) {
            // 判断剪贴板中的内容是否支持文本
            if (trans.isDataFlavorSupported(DataFlavor.stringFlavor)) {
                try {
                    // 获取剪贴板中的文本内容
                    String text = (String) trans.getTransferData(DataFlavor.stringFlavor);
                    return text;
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        }

        return null;
    }

    /**
     * 把文本设置到剪贴板（复制）
     */
    public static void setClipboardString(String text) {
        // 获取系统剪贴板
        Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
        // 封装文本内容
        Transferable trans = new StringSelection(text);
        // 把文本内容设置到系统剪贴板
        clipboard.setContents(trans, null);
    }

    public static void main(String[] args) {
        String clipboardString = getClipboardString();
        System.out.println(clipboardString);
    }

}

package com.company.app;


import org.springframework.boot.WebApplicationType;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;

@SpringBootApplication
public class Application {

    public static void main(String[] args) {
//        SpringApplication.run(Application.class, args);
        SpringApplicationBuilder builder = new SpringApplicationBuilder(Application.class);
        builder.headless(false).web(WebApplicationType.SERVLET).run(args);

    }
}