~chenjiahe/hx_common.git

E1ED922C1E9526DD63272D7EC5C6CB77

2020-10-10 58a62d1c1bb97080e855f404e5529dd96766640b

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5c5945	1	package com.hx.util;
E	2
	3	import java.awt.*;
	4	import java.awt.image.BufferedImage;
	5	import java.io.File;
	6	import java.io.IOException;
	7	import java.text.SimpleDateFormat;
	8	import java.util.*;
	9	import java.util.List;
	10
	11	import javax.imageio.ImageIO;
	12
	13	import com.google.zxing.*;
	14
	15	import com.google.zxing.client.j2se.BufferedImageLuminanceSource;
	16	import com.google.zxing.common.BitMatrix;
	17	import com.google.zxing.common.HybridBinarizer;
	18	import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
	19
	20	public class QRCodeUtil {
	21
	22	// 二维码颜色==黑色
	23	private static final int BLACK = 0xFF000000;
	24	// 二维码颜色==白色
	25	private static final int WHITE = 0xFFFFFFFF;
	26	// 二维码图片格式==jpg和png两种
	27	private static final List<String> IMAGE_TYPE = new ArrayList<>();
	28
	29	static {
	30	IMAGE_TYPE.add("jpg");
	31	IMAGE_TYPE.add("png");
	32	}
	33
	34	/**
	35	* zxing方式生成二维码
	36	* 注意：
	37	* 1,文本生成二维码的方法独立出来,返回image流的形式,可以输出到页面
	38	* 2,设置容错率为最高,一般容错率越高,图片越不清晰, 但是只有将容错率设置高一点才能兼容logo图片
	39	* 3,logo图片默认占二维码图片的20%,设置太大会导致无法解析
	40	*
	41	* @param content 二维码包含的内容，文本或网址
	42	* @param path 生成的二维码图片存放位置
	43	* @param size 生成的二维码图片尺寸可以自定义或者默认（250）
	44	* @param logoPath logo的存放位置
	45	* @param autoDateFolder 在存放链接上生成日期文件夹，格式是yyyyMM
	46	*/
	47	public static String QRCodeCreate(String content, String path, Integer size, String logoPath,Boolean autoDateFolder) {
	48	try {
	49	Date newDate = new Date();
	50	if(autoDateFolder){
	51	if(autoDateFolder){
	52	if(path.endsWith("/")){
	53	path = path+dateFormat(newDate,"yyyyMM")+"/";
	54	}else{
	55	path = path+"/"+dateFormat(newDate,"yyyyMM")+"/";
	56	}
	57	}
	58	}
	59
	60	path = path+newDate.getTime()+".jpg";
	61
	62	//图片类型
	63	String imageType = "jpg";
	64	//获取二维码流的形式，写入到目录文件中
	65	BufferedImage image = getBufferedImage(content, size, logoPath);
	66	//获得随机数
	67	Random random = new Random();
	68	//生成二维码存放文件
	69	File file = new File(path);
	70	if (!file.exists()) {
	71	file.mkdirs();
	72	}
	73	ImageIO.write(image, imageType, file);
	74	} catch (IOException e) {
	75	e.printStackTrace();
	76	}
	77	return path;
	78	}
	79
	80	/**
	81	* 二维码流的形式，包含文本内容
	82	*
	83	* @param content 二维码文本内容
	84	* @param size 二维码尺寸
	85	* @param logoPath logo的存放位置
	86	* @return
	87	*/
	88	public static BufferedImage getBufferedImage(String content, Integer size, String logoPath) {
	89	if (size == null \|\| size <= 0) {
	90	size = 250;
	91	}
	92	BufferedImage image = null;
	93	try {
	94	// 设置编码字符集
	95	Map<EncodeHintType, Object> hints = new HashMap<>();
	96	//设置编码
	97	hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");
	98	//设置容错率最高
	99	hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
	100	hints.put(EncodeHintType.MARGIN, 1);
	101	// 1、生成二维码
	102	MultiFormatWriter multiFormatWriter = new MultiFormatWriter();
	103	BitMatrix bitMatrix = multiFormatWriter.encode(content, BarcodeFormat.QR_CODE, size, size, hints);
	104	// 2、获取二维码宽高
	105	int codeWidth = bitMatrix.getWidth();
	106	int codeHeight = bitMatrix.getHeight();
	107	// 3、将二维码放入缓冲流
	108	image = new BufferedImage(codeWidth, codeHeight, BufferedImage.TYPE_INT_RGB);
	109	for (int i = 0; i < codeWidth; i++) {
	110	for (int j = 0; j < codeHeight; j++) {
	111	// 4、循环将二维码内容定入图片
	112	image.setRGB(i, j, bitMatrix.get(i, j) ? BLACK : WHITE);
	113	}
	114	}
	115	//判断是否写入logo图片
	116	if (logoPath != null && !"".equals(logoPath)) {
	117	File logoPic = new File(logoPath);
	118	if (logoPic.exists()) {
	119	Graphics2D g = image.createGraphics();
	120	BufferedImage logo = ImageIO.read(logoPic);
	121	int widthLogo = logo.getWidth(null) > image.getWidth() * 2 / 10 ? (image.getWidth() * 2 / 10) : logo.getWidth(null);
	122	int heightLogo = logo.getHeight(null) > image.getHeight() * 2 / 10 ? (image.getHeight() * 2 / 10) : logo.getHeight(null);
	123	int x = (image.getWidth() - widthLogo) / 2;
	124	int y = (image.getHeight() - heightLogo) / 2;
	125	// 开始绘制图片
	126	g.drawImage(logo, x, y, widthLogo, heightLogo, null);
	127	g.drawRoundRect(x, y, widthLogo, heightLogo, 15, 15);
	128	//边框宽度
	129	g.setStroke(new BasicStroke(2));
	130	//边框颜色
	131	g.setColor(Color.WHITE);
	132	g.drawRect(x, y, widthLogo, heightLogo);
	133	g.dispose();
	134	logo.flush();
	135	image.flush();
	136	}
	137	}
	138	} catch (WriterException e) {
	139	e.printStackTrace();
	140	} catch (IOException e) {
	141	e.printStackTrace();
	142	}
	143	return image;
	144	}
	145
	146	/**
	147	* 给二维码图片添加Logo
	148	*
	149	* @param qrPic 二维码图片
	150	* @param logoPic logo图片
	151	* @param path 合成后的图片存储目录
	152	*/
	153	public static boolean zxingCodeCreate(File qrPic, File logoPic, String path) {
	154	try {
	155	String imageType = path.substring(path.lastIndexOf(".") + 1).toLowerCase();
	156	if (!IMAGE_TYPE.contains(imageType)) {
	157	return false;
	158	}
	159
	160	if (!qrPic.isFile() && !logoPic.isFile()) {
	161	return false;
	162	}
	163
	164	//读取二维码图片，并构建绘图对象
	165	BufferedImage image = ImageIO.read(qrPic);
	166	Graphics2D g = image.createGraphics();
	167	//读取Logo图片
	168	BufferedImage logo = ImageIO.read(logoPic);
	169	//设置logo的大小,最多20%0
	170	int widthLogo = logo.getWidth(null) > image.getWidth() * 2 / 10 ? (image.getWidth() * 2 / 10) : logo.getWidth(null);
	171	int heightLogo = logo.getHeight(null) > image.getHeight() * 2 / 10 ? (image.getHeight() * 2 / 10) : logo.getHeight(null);
	172	// 计算图片放置位置，默认在中间
	173	int x = (image.getWidth() - widthLogo) / 2;
	174	int y = (image.getHeight() - heightLogo) / 2;
	175	// 开始绘制图片
	176	g.drawImage(logo, x, y, widthLogo, heightLogo, null);
	177	g.drawRoundRect(x, y, widthLogo, heightLogo, 15, 15);
	178	//边框宽度
	179	g.setStroke(new BasicStroke(2));
	180	//边框颜色
	181	g.setColor(Color.WHITE);
	182	g.drawRect(x, y, widthLogo, heightLogo);
	183	g.dispose();
	184	logo.flush();
	185	image.flush();
	186	File newFile = new File(path);
	187	if (!newFile.exists()) {
	188	newFile.mkdirs();
	189	}
	190	ImageIO.write(image, imageType, newFile);
	191	return true;
	192	} catch (Exception e) {
	193	e.printStackTrace();
	194	return false;
	195	}
	196	}
	197
	198
	199	/**
	200	* 二维码的解析方法
	201	*
	202	* @param path 二维码图片目录
	203	* @return
	204	*/
	205	public static Result zxingCodeAnalyze(String path) {
	206	try {
	207	MultiFormatReader formatReader = new MultiFormatReader();
	208	File file = new File(path);
	209	if (file.exists()) {
	210	BufferedImage image = ImageIO.read(file);
	211	LuminanceSource source = new BufferedImageLuminanceSource(image);
	212	Binarizer binarizer = new HybridBinarizer(source);
	213	BinaryBitmap binaryBitmap = new BinaryBitmap(binarizer);
	214	Map hints = new HashMap();
	215	hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");
	216	Result result = formatReader.decode(binaryBitmap, hints);
	217	return result;
	218	}
	219	} catch (IOException e) {
	220	e.printStackTrace();
	221	} catch (NotFoundException e) {
	222	e.printStackTrace();
	223	}
	224	return null;
	225	}
	226
	227	/**
	228	*
	229	* @param date 时间
	230	* @param format 时间格式
	231	* @return 返回的时间格式字符串
	232	*/
	233	public static String dateFormat(Date date,String format) {
	234	SimpleDateFormat df = new SimpleDateFormat(format);//设置日期格式
	235	return df.format(date);
	236	}
	237
	238	}