mesclient-inno-qm/src/com/mes/ui/Test2.java

package com.mes.ui;

import com.mes.util.ytnetty.QmCurUtil;
import com.mes.util.ytnetty.QmResultUtil;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufUtil;
import io.netty.buffer.Unpooled;

import javax.print.attribute.HashPrintRequestAttributeSet;
import javax.print.attribute.PrintRequestAttributeSet;
import javax.print.attribute.standard.PrintQuality;
import java.awt.print.PrinterException;
import java.awt.print.PrinterJob;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.print.PageFormat;
import java.awt.print.Printable;
import java.awt.print.Book;
import java.nio.charset.Charset;

public class Test2 implements Printable {
    public int print(Graphics g, PageFormat pf, int page) throws PrinterException {
        if (page >= 1) { // 只打印一页
            return NO_SUCH_PAGE;
        } else {
            Graphics2D g2d = (Graphics2D) g;
//            g2d.translate(100, 100); // 移动原点，以便在页面中心绘制内容（可选）
//            double scale = 0.1; // 设置缩放比例
//            g2d.scale(scale, scale); // 应用缩放比例
            g2d.drawString("Hello, World!", 0, 0); // 由于应用了缩放，这里看起来像是正常大小绘制，但实际上是被放大了的。
            return PAGE_EXISTS;
        }
    }

    public static void main(String[] args) {
        try{
            String hexString = "435330303335363230323630373036313630313032303030202020202020202020202020202020202020202020202020202020202020303030312E35353331303030323031332E32383030";
//            ByteBuf bccbf = Unpooled.wrappedBuffer(str.getBytes("UTF-8"));
////            String ss = bccbf.toString(Charset.forName("UTF-8"));
//            String ss = ByteBufUtil.hexDump(bccbf).toUpperCase();

            hexString = "5253302C2D302E33332C302E302C302E302C302E3030";

            QmCurUtil qmCurUtil = new QmCurUtil(hexString);
            System.out.println("qmCurUtil:"+qmCurUtil.toString());

            //5253 302C 2D30 2E33332C302E302C302E302C302E3030

            hexString = "435330303336313230323630373135313130383439303030202020202020202020202020202020202020202020202020202020202020303939392E39393337303030303135312E39313030";

            QmResultUtil qmResultUtil = new QmResultUtil(hexString);
            System.out.println("qmResultUtil:"+qmResultUtil.toString());

//            String hexString = "5253"; // 16进制表示的"Hello"
            String asciiString = new String(hexStringToByteArray(hexString));
            System.out.println(asciiString); // 输出: Hello


            String input = "008";
            StringBuilder hexValues = new StringBuilder();
            for (char c : input.toCharArray()) {
                int asciiValue = (int) c; // 获取ASCII值
                String hexValue = Integer.toHexString(asciiValue); // 转换为16进制字符串
                if (hexValues.length() > 0) { // 如果不是第一个字符，添加空格分隔
                    hexValues.append("");
                }
                hexValues.append(hexValue); // 添加到StringBuilder中
            }
            System.out.println("Hex values: " + hexValues.toString());

//            System.out.println(ss);
        }catch (Exception e){
            e.printStackTrace();
        }

    }

    public static byte[] hexStringToByteArray(String s) {
        int len = s.length();
        byte[] data = new byte[len / 2];
        for (int i = 0; i < len; i += 2) {
            data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4)
                    + Character.digit(s.charAt(i+1), 16));
        }
        return data;
    }
}