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138 lines
5.1 KiB
138 lines
5.1 KiB
package com.ynxbd.wx.utils;
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import com.google.zxing.BarcodeFormat;
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import com.google.zxing.EncodeHintType;
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import com.google.zxing.MultiFormatWriter;
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import com.google.zxing.common.BitMatrix;
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import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
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import javax.imageio.ImageIO;
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import java.awt.image.BufferedImage;
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import java.io.File;
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import java.io.IOException;
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import java.util.Hashtable;
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import java.util.Map;
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/**
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* @author 张剑峰
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* @date 2018年6月4日下午12:38:39
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* @version v1.0.0
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* @Copyright: 2018云南新八达科技有限公司 All rights reserved.
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*/
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public class QRCodeUtil {
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private static final int BLACK = 0xFF000000;
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private static final int WHITE = 0xFFFFFFFF;
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private static final int GREEN = 0xFFAAAAAA;
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private static BufferedImage toBufferedImage(BitMatrix matrix) {
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int width = matrix.getWidth();
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int height = matrix.getHeight();
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BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
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for (int x = 0; x < width; x++) {
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for (int y = 0; y < height; y++) {
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image.setRGB(x, y, matrix.get(x, y) ? BLACK : WHITE);
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}
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}
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return image;
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}
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private static void writeToFile(BitMatrix matrix, String format, File file) throws IOException {
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BufferedImage image = toBufferedImage(matrix);
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if (!ImageIO.write(image, format, file)) {
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throw new IOException("Could not write an image of format " + format + " to " + file);
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}
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}
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/**
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* 将内容contents生成长宽均为width的图片，图片路径由imgPath指定
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*/
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public static File getQRCodeImage(String contents, int size, String imgPath) {
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return getQRCodeImage(contents, size, size, imgPath);
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}
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/**
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* 将内容contents生成长为width，宽为width的图片，图片路径由imgPath指定
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*/
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public static File getQRCodeImage(String contents, int width, int height, String imgPath) {
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try {
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Map<EncodeHintType, Object> hints = new Hashtable<>();
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hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.L);
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hints.put(EncodeHintType.CHARACTER_SET, "UTF8");
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BitMatrix bitMatrix = new MultiFormatWriter().encode(contents, BarcodeFormat.QR_CODE, width, height, hints);
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File imageFile = new File(imgPath);
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writeToFile(bitMatrix, "png", imageFile);
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return imageFile;
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} catch (Exception e) {
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return null;
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}
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}
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/**
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* 将内容contents生成长为width，宽为width的图片，图片路径由imgPath指定
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*/
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public static String getQRCodeImgBase64(String contents, int width, int height) {
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String resultBase64 = null;
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try {
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Map<EncodeHintType, Object> hints = new Hashtable<>();
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hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.L);
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hints.put(EncodeHintType.CHARACTER_SET, "UTF8");
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BitMatrix bitMatrix = new MultiFormatWriter().encode(contents, BarcodeFormat.QR_CODE, width, height, hints);
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// File imageFile = new File(imgPath);
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// writeToFile(bitMatrix, "svg", imageFile);
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return resultBase64;
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} catch (Exception e) {
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return null;
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}
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}
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public static void main(String[] args) {
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// String product_id = "999981XBD100XBD200XBD0.01XBD1";
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// // product_id = MD5Util.MD5Encode(product_id, "UTF-8");
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// String sec = Long.toString(System.currentTimeMillis());
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// String timeStamp = Long.toString(System.currentTimeMillis() / 1000);
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// SimpleDateFormat formatter = new SimpleDateFormat("yyyy年-MM月dd日-HH时mm分ss秒");
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// Date date = new Date(System.currentTimeMillis());
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// String s = formatter.format(date);
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// String nonceStr = Long.toString(System.currentTimeMillis());
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// Map<String, String> packageParams = new HashMap<>();
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// packageParams.put("appid", WeChatConfig.getAppId());
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// packageParams.put("mch_id", WeChatConfig.getMchId());
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// packageParams.put("product_id", product_id);
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// packageParams.put("time_stamp", timeStamp);
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// packageParams.put("nonce_str", nonceStr);
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// String sign = SignatureUtil.generateSign(packageParams, WeChatConfig.getMchKey());
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// String url = "weixin://wxpay/bizpayurl?sign=" + sign + "&appid=" +
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// WxConfig.getInstance().getAppId()
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// + "&mch_id=" + WxConfig.getInstance().getMchId() + "&product_id=" +
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// product_id + "&time_stamp="
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// + timeStamp + "&nonce_str=" + nonceStr;
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//// String url = "http://lhxrmyy1.natapp1.cc/wx/q?p=10000005";
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// // String url =
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// // "weixin:/pay/bizpayurl?sign=38128468EEFC56C19EDEAD077E8BD38B&appid=wx940ec0975be0daf4&mchid=1354195702&product_id=123815|814994|2074382|0.90|1&time_stamp=1533309475&nonce_str=1533309475421&";
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//
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// // String[] array = product_id.split("\\|");
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// // String patientId = array[0];
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// // String mzNum = array[1];
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// // String recipeId = array[2];
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// // String payMoney = array[3];
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// // if (patientId.equals("") || mzNum.equals("") || recipeId.equals("")
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// // || payMoney.equals("")) {
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// // System.out.println("扫码支付：参数中有空值，不允许支付！product_id=" + product_id);
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// // return;
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// // }
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getQRCodeImage("http://www.wsxrmyy.cn/wx/qr-questionnaire.html", 300, "C:\\Users\\Administrator\\Desktop\\qr_questionnaire");
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}
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}
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