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[POS][修改]:二维码生成

release_toaliyun_real
Stormeye Wu 6 years ago
parent
commit
42bb262645
6 changed files with 301 additions and 4 deletions
  1. +5
    -0
      mallinkPosApi/pom.xml
  2. +10
    -2
      mallinkPosApi/src/main/java/com/iformall/PosApplication.java
  3. +0
    -2
      mallinkPosApi/src/main/java/com/iformall/service/PosService.java
  4. +94
    -0
      mallinkPosApi/src/main/java/com/iformall/utils/BufferedImageLuminanceSource.java
  5. +164
    -0
      mallinkPosApi/src/main/java/com/iformall/utils/QRCodeUtil.java
  6. +28
    -0
      mallinkPosApi/src/test/java/com/iformall/pos/test/PosAppTest.java

+ 5
- 0
mallinkPosApi/pom.xml View File

@@ -22,6 +22,11 @@
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.google.zxing</groupId>
<artifactId>core</artifactId>
<version>3.3.0</version>
</dependency>
</dependencies>
<build>
<plugins>


+ 10
- 2
mallinkPosApi/src/main/java/com/iformall/PosApplication.java View File

@@ -9,8 +9,8 @@ import org.springframework.context.annotation.Bean;
import tk.mybatis.spring.annotation.MapperScan;

/**
* @author chenkx
* @date 2017-12-26
* @author Stormeye
* @date 2019-08-08
*/
@SpringBootApplication
@MapperScan(basePackages = {"com.iformall.mapper"})
@@ -27,6 +27,9 @@ public class PosApplication {
@Value("${fm.open}")
private boolean fmOpen;

@Value("${fm.upload_dir}")
private String uploadDir;

@Bean
public boolean isFmException() {
return fmException;
@@ -42,6 +45,11 @@ public class PosApplication {
return fmOpen;
}

@Bean
public String fmUploadDir() {
return uploadDir;
}


public static void main(String[] args) {
SpringApplication.run(PosApplication.class, args);


+ 0
- 2
mallinkPosApi/src/main/java/com/iformall/service/PosService.java View File

@@ -1,7 +1,5 @@
package com.iformall.service;

import com.iformall.domain.po.WxCoupon;
import com.iformall.domain.vo.WxCouponOrderCVo;
import com.iformall.enums.EnumVerifyActionType;
import com.iformall.exception.MallinkException;
import org.springframework.web.bind.annotation.RequestBody;


+ 94
- 0
mallinkPosApi/src/main/java/com/iformall/utils/BufferedImageLuminanceSource.java View File

@@ -0,0 +1,94 @@
package com.iformall.utils;

import java.awt.Graphics2D;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;
import com.google.zxing.LuminanceSource;

/**
* @author Stormeye
*/
public class BufferedImageLuminanceSource extends LuminanceSource {
private final BufferedImage image;
private final int left;
private final int top;

BufferedImageLuminanceSource(BufferedImage image) {
this(image, 0, 0, image.getWidth(), image.getHeight());
}

BufferedImageLuminanceSource(BufferedImage image, int left, int top, int width, int height) {
super(width, height);

int sourceWidth = image.getWidth();
int sourceHeight = image.getHeight();
if (left + width > sourceWidth || top + height > sourceHeight) {
throw new IllegalArgumentException("Crop rectangle does not fit within image data.");
}

for (int y = top; y < top + height; y++) {
for (int x = left; x < left + width; x++) {
if ((image.getRGB(x, y) & 0xFF000000) == 0) {
// = white
image.setRGB(x, y, 0xFFFFFFFF);
}
}
}

this.image = new BufferedImage(sourceWidth, sourceHeight, BufferedImage.TYPE_BYTE_GRAY);
this.image.getGraphics().drawImage(image, 0, 0, null);
this.left = left;
this.top = top;
}

@Override
public byte[] getRow(int y, byte[] row) {
if (y < 0 || y >= getHeight()) {
throw new IllegalArgumentException("Requested row is outside the image: " + y);
}
int width = getWidth();
if (row == null || row.length < width) {
row = new byte[width];
}
image.getRaster().getDataElements(left, top + y, width, 1, row);
return row;
}

@Override
public byte[] getMatrix() {
int width = getWidth();
int height = getHeight();
int area = width * height;
byte[] matrix = new byte[area];
image.getRaster().getDataElements(left, top, width, height, matrix);
return matrix;
}

@Override
public boolean isCropSupported() {
return true;
}

@Override
public LuminanceSource crop(int left, int top, int width, int height) {
return new BufferedImageLuminanceSource(image, this.left + left, this.top + top, width, height);
}

@Override
public boolean isRotateSupported() {
return true;
}

@Override
public LuminanceSource rotateCounterClockwise() {
int sourceWidth = image.getWidth();
int sourceHeight = image.getHeight();
AffineTransform transform = new AffineTransform(0.0, -1.0, 1.0, 0.0, 0.0, sourceWidth);
BufferedImage rotatedImage = new BufferedImage(sourceHeight, sourceWidth, BufferedImage.TYPE_BYTE_GRAY);
Graphics2D g = rotatedImage.createGraphics();
g.drawImage(image, transform, null);
g.dispose();
int width = getWidth();
return new BufferedImageLuminanceSource(rotatedImage, top, sourceWidth - (left + width), getHeight(), width);
}
}

+ 164
- 0
mallinkPosApi/src/main/java/com/iformall/utils/QRCodeUtil.java View File

@@ -0,0 +1,164 @@
package com.iformall.utils;

import java.awt.BasicStroke;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.Shape;
import java.awt.geom.RoundRectangle2D;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.OutputStream;
import java.util.Hashtable;
import javax.imageio.ImageIO;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.BinaryBitmap;
import com.google.zxing.DecodeHintType;
import com.google.zxing.EncodeHintType;
import com.google.zxing.MultiFormatReader;
import com.google.zxing.MultiFormatWriter;
import com.google.zxing.Result;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.common.HybridBinarizer;
import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;

public class QRCodeUtil {
private static final String CHARSET = "utf-8";
private static final String FORMAT_NAME = "JPG";
/**
* 二维码尺寸
*/
private static final int QRCODE_SIZE = 300;
/**
* LOGO宽度
*/
private static final int WIDTH = 60;
/**
* LOGO高度
*/
private static final int HEIGHT = 60;

private static BufferedImage createImage(String content, String imgPath, boolean needCompress) throws Exception {
Hashtable hints = new Hashtable();
hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
hints.put(EncodeHintType.CHARACTER_SET, CHARSET);
hints.put(EncodeHintType.MARGIN, 1);
BitMatrix bitMatrix = new MultiFormatWriter().encode(content, BarcodeFormat.QR_CODE, QRCODE_SIZE, QRCODE_SIZE,
hints);
int width = bitMatrix.getWidth();
int height = bitMatrix.getHeight();
BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
for (int x = 0; x < width; x++) {
for (int y = 0; y < height; y++) {
image.setRGB(x, y, bitMatrix.get(x, y) ? 0xFF000000 : 0xFFFFFFFF);
}
}
if (imgPath == null || "".equals(imgPath)) {
return image;
}
// 插入图片
QRCodeUtil.insertImage(image, imgPath, needCompress);
return image;
}

private static void insertImage(BufferedImage source, String imgPath, boolean needCompress) throws Exception {
File file = new File(imgPath);
if (!file.exists()) {
System.err.println("" + imgPath + " 该文件不存在!");
return;
}
Image src = ImageIO.read(new File(imgPath));
int width = src.getWidth(null);
int height = src.getHeight(null);
// 压缩LOGO
if (needCompress) {
if (width > WIDTH) {
width = WIDTH;
}
if (height > HEIGHT) {
height = HEIGHT;
}
Image image = src.getScaledInstance(width, height, Image.SCALE_SMOOTH);
BufferedImage tag = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
Graphics g = tag.getGraphics();
// 绘制缩小后的图
g.drawImage(image, 0, 0, null);
g.dispose();
src = image;
}
// 插入LOGO
Graphics2D graph = source.createGraphics();
int x = (QRCODE_SIZE - width) / 2;
int y = (QRCODE_SIZE - height) / 2;
graph.drawImage(src, x, y, width, height, null);
Shape shape = new RoundRectangle2D.Float(x, y, width, width, 6, 6);
graph.setStroke(new BasicStroke(3f));
graph.draw(shape);
graph.dispose();
}

public static void encode(String content, String imgPath, String destPath, boolean needCompress) throws Exception {
BufferedImage image = QRCodeUtil.createImage(content, imgPath, needCompress);
mkdirs(destPath);
// String file = new Random().nextInt(99999999)+".jpg";
// ImageIO.write(image, FORMAT_NAME, new File(destPath+"/"+file));
ImageIO.write(image, FORMAT_NAME, new File(destPath));
}

public static BufferedImage encode(String content, String imgPath, boolean needCompress) throws Exception {
BufferedImage image = QRCodeUtil.createImage(content, imgPath, needCompress);
return image;
}

public static void mkdirs(String destPath) {
File file = new File(destPath);
// 当文件夹不存在时,mkdirs会自动创建多层目录,区别于mkdir.(mkdir如果父目录不存在则会抛出异常)
if (!file.exists() && !file.isDirectory()) {
file.mkdirs();
}
}

public static void encode(String content, String imgPath, String destPath) throws Exception {
QRCodeUtil.encode(content, imgPath, destPath, false);
}
// 被注释的方法
/*
* public static void encode(String content, String destPath, boolean
* needCompress) throws Exception { QRCodeUtil.encode(content, null, destPath,
* needCompress); }
*/

public static void encode(String content, String destPath) throws Exception {
QRCodeUtil.encode(content, null, destPath, false);
}

public static void encode(String content, String imgPath, OutputStream output, boolean needCompress)
throws Exception {
BufferedImage image = QRCodeUtil.createImage(content, imgPath, needCompress);
ImageIO.write(image, FORMAT_NAME, output);
}

public static void encode(String content, OutputStream output) throws Exception {
QRCodeUtil.encode(content, null, output, false);
}

public static String decode(File file) throws Exception {
BufferedImage image;
image = ImageIO.read(file);
if (image == null) {
return null;
}
BufferedImageLuminanceSource source = new BufferedImageLuminanceSource(image);
BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
Result result;
Hashtable hints = new Hashtable();
hints.put(DecodeHintType.CHARACTER_SET, CHARSET);
result = new MultiFormatReader().decode(bitmap, hints);
String resultStr = result.getText();
return resultStr;
}

public static String decode(String path) throws Exception {
return QRCodeUtil.decode(new File(path));
}
}

+ 28
- 0
mallinkPosApi/src/test/java/com/iformall/pos/test/PosAppTest.java View File

@@ -5,6 +5,7 @@ import com.fasterxml.jackson.databind.ObjectMapper;
import com.iformall.PosApplication;
import com.iformall.pay.WxPayConstant;
import com.iformall.pay.WxPayment;
import com.iformall.utils.QRCodeUtil;
import org.junit.Assert;
import org.junit.FixMethodOrder;
import org.junit.Test;
@@ -100,6 +101,33 @@ public class PosAppTest {
Assert.assertEquals(resSigned, true);
}

@Test
public void pQrCodeTest() {
// 存放在二维码中的内容
String text = "https://ctest.malls.iformall.com/order/1";
// 嵌入二维码的图片路径
String imgPath = "";
// 生成的二维码的路径及名称
String destPath = "/Users/stormeye/Downloads/MyWork/bk/qr.jpg";
try {
//生成二维码
QRCodeUtil.encode(text, imgPath, destPath, true);
} catch (Exception e) {
System.out.println("生成二维码异常");
e.printStackTrace();
}
// 解析二维码,这里只是将上面的text解析出来了,所以扫描结果就是一串字符串
String str = null;
try {
str = QRCodeUtil.decode(destPath);
} catch (Exception e) {
System.out.println("解析二维码异常");
e.printStackTrace();
}
// 打印出解析出的内容
System.out.println(str);
}

@Test
public void getMemTest() throws Exception {
Map<String, String> reqObj = new HashMap<>();


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