用Java强制目标打印机

import javax.print.*;
import javax.print.attribute.*;
import javax.print.attribute.standard.*;

public class PrintExample {
    public static void main(String[] args) {
        // 获取所有可用的打印机
        PrintService[] printServices = PrintServiceLookup.lookupPrintServices(null, null);

        // 遍历打印机列表，找到目标打印机
        PrintService targetPrinter = null;
        for (PrintService printer : printServices) {
            if (printer.getName().equals("目标打印机名称")) {
                targetPrinter = printer;
                break;
            }
        }

        if (targetPrinter != null) {
            try {
                // 创建打印任务
                DocPrintJob printJob = targetPrinter.createPrintJob();

                // 构建打印内容
                String text = "这是要打印的文本内容";
                byte[] bytes = text.getBytes();

                // 创建打印数据
                DocFlavor flavor = DocFlavor.BYTE_ARRAY.AUTOSENSE;
                Doc doc = new SimpleDoc(bytes, flavor, null);

                // 执行打印任务
                printJob.print(doc, null);
            } catch (PrintException e) {
                e.printStackTrace();
            }
        } else {
            System.out.println("未找到目标打印机");
        }
    }
}