bug
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@@ -6,7 +6,7 @@ import java.util.List;
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import java.util.Map;
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import sc545.pay.utils.DBUtil;
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import sc545.pay.utils.ImgUtils;
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import sc545.pay.utils.FileUtils;
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import sc545.pay.utils.ReadTxt;
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import sc545.pay.utils.Utils;
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@@ -69,7 +69,7 @@ public class core {
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if(i==1){
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rs.put("code", "1");
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rs.put("qrcode", response.getQrCode());
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rs.put("qrimg", ImgUtils.QrImgB64(response.getQrCode(), 300));
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rs.put("qrimg", FileUtils.QrImgB64(response.getQrCode(), 300));
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rs.put("out_trade_no", response.getOutTradeNo());
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}else rs.put("errcode", "-1");
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} else {
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@@ -1,244 +0,0 @@
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package sc545.pay.utils;
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import java.awt.image.BufferedImage;
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import java.io.ByteArrayOutputStream;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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import java.net.URL;
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import java.util.*;
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import javax.imageio.ImageIO;
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import net.coobird.thumbnailator.Thumbnails;
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import net.coobird.thumbnailator.geometry.Positions;
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import sun.misc.BASE64Encoder;
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import com.google.zxing.*;
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import com.google.zxing.common.BitMatrix;
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public class ImgUtils {
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public static void main(String[] args) throws Exception {
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}
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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 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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* 删除二维码白边
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* @param matrix
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* @return
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*/
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public static BitMatrix deleteWhite(BitMatrix matrix) {
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int[] rec = matrix.getEnclosingRectangle();
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int resWidth = rec[2] + 1;
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int resHeight = rec[3] + 1;
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BitMatrix resMatrix = new BitMatrix(resWidth, resHeight);
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resMatrix.clear();
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for (int i = 0; i < resWidth; i++) {
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for (int j = 0; j < resHeight; j++) {
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if (matrix.get(i + rec[0], j + rec[1]))
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resMatrix.set(i, j);
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}
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}
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return resMatrix;
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}
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/**
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* 生成一张二维码图片文件
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* @param content 二维码内容
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* @param widthHeight 宽高度
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* @param path 图片存储路径(不带文件名)
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* @return
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*/
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public static String QrImgFile(String content,int widthHeight,String path) {
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try {
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String codeName = UUID.randomUUID().toString();// 二维码的图片名
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String imageType = "jpg";// 图片类型
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MultiFormatWriter multiFormatWriter = new MultiFormatWriter();
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Map<EncodeHintType, String> hints = new HashMap<EncodeHintType, String>();
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hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");
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BitMatrix bitMatrix= multiFormatWriter.encode(content, BarcodeFormat.QR_CODE, widthHeight, widthHeight, hints);
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bitMatrix= deleteWhite(bitMatrix);
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// BufferedImage imgbuf = toBufferedImage(bitMatrix);
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File file1 = new File(path, codeName + "." + imageType);
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writeToFile(bitMatrix, imageType, file1);
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return path+codeName + "." + imageType;
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} catch (Exception e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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return null;
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}
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/**
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* 生成一张二维码图片(BufferedImage)
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* @param content 二维码内容
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* @param widthHeight 宽高度
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* @return
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*/
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public static BufferedImage QrImgBuf(String content,int widthHeight) {
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try {
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MultiFormatWriter multiFormatWriter = new MultiFormatWriter();
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Map<EncodeHintType, String> hints = new HashMap<EncodeHintType, String>();
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hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");
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BitMatrix bitMatrix= multiFormatWriter.encode(content, BarcodeFormat.QR_CODE, widthHeight, widthHeight, hints);
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bitMatrix= deleteWhite(bitMatrix);
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BufferedImage imgbuf = toBufferedImage(bitMatrix);
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return imgbuf;
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} catch (Exception e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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return null;
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}
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/**
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* 生成一张二维码图片(base64)<br>
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* data:image/jpg;base64,base64_code
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* @param content 二维码内容
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* @param widthHeight 宽高度
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* @return
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*/
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public static String QrImgB64(String content,int widthHeight) {
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try {
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MultiFormatWriter multiFormatWriter = new MultiFormatWriter();
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Map<EncodeHintType, String> hints = new HashMap<EncodeHintType, String>();
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hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");
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BitMatrix bitMatrix= multiFormatWriter.encode(content, BarcodeFormat.QR_CODE, widthHeight, widthHeight, hints);
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bitMatrix= deleteWhite(bitMatrix);
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BufferedImage imgbuf = toBufferedImage(bitMatrix);
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ByteArrayOutputStream os = new ByteArrayOutputStream();//新建流。
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ImageIO.write(imgbuf, "jpg", os);//利用ImageIO类提供的write方法，将bi以png图片的数据模式写入流。
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byte b[] = os.toByteArray();//从流中获取数据数组。
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String str = new BASE64Encoder().encode(b);
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return str;
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} catch (Exception e) {
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e.printStackTrace();
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}
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return null;
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}
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/**
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* 图片质量压缩
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* @param img 文件流
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* @param quality 压缩质量 0~1/1为最高质量
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* @return
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*/
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public static BufferedImage rarImgBuf(InputStream img, double quality) {
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BufferedImage buf =null;
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try {
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buf = Thumbnails.of(img).scale(1f).outputQuality(quality).asBufferedImage();
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} catch (IOException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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return buf;
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}
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/**
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* 图片质量压缩
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* @param img 文件地址
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* @param quality 压缩质量 0~1/1为最高质量
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* @return
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*/
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public static File rarImgFile(File img, double quality) {
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File arg0 = img;
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try {
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Thumbnails.of(img).scale(1f).outputQuality(quality).toFile(arg0);
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} catch (IOException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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return arg0;
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}
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/**
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* 裁剪图片<br>
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* 从左上角开始裁切<br>
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* 另存图片保持等比缩放，若填写的高度不符合自动调整为等比例
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*
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* @param img 图片文件
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* @param p 裁切位置 Positions.TOP/BOTTOM_LEFT/RIGHT、CENTER
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* @param x 裁切x轴范围
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* @param y 裁切y轴范围
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* @param width 另存图片的宽度
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* @param height 另存图片的高度
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* @return
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*/
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public static File cutImgFile(File img,Positions p,int x,int y,int width,int height) {
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File arg0 = img;
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try {
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Thumbnails.of(img).sourceRegion(p, x, y).size(width, height).keepAspectRatio(true).toFile(arg0);
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} catch (IOException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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return arg0;
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}
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/**
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* 裁剪图片<br>
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* 从左上角开始裁切<br>
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* 另存图片保持等比缩放，若填写的高度不符合自动调整为等比例
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*
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* @param img 图片流
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* @param p 裁切位置 Positions.TOP/BOTTOM_LEFT/RIGHT、CENTER
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* @param x 裁切x轴范围
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* @param y 裁切y轴范围
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* @param width 另存图片的宽度
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* @param height 另存图片的高度
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* @return
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*/
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public static BufferedImage cutImgBuf(InputStream img,Positions p,int x,int y,int width,int height) {
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BufferedImage buf =null;
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try {
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buf=Thumbnails.of(img).sourceRegion(p, x, y).size(width, height).keepAspectRatio(true).asBufferedImage();
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} catch (IOException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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return buf;
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}
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}
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