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update

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This commit is contained in:
sjm
2023-12-22 23:25:19 +08:00
parent 7adff734ea
commit a9a4cbcf83
11 changed files with 398 additions and 41 deletions
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63
src/main/java/com/lovenav/utils/QRCodeUtil.java
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@@ -5,23 +5,24 @@ import com.google.zxing.client.j2se.BufferedImageLuminanceSource;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.common.HybridBinarizer;
import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
import org.apache.tomcat.util.codec.binary.Base64;
import com.lovenav.dao.CollectIconListDao;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Service;
import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.geom.RoundRectangle2D;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import java.io.*;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.Map;
import java.util.Random;
import java.util.Base64;
@Component
@Service
public class QRCodeUtil {
private static final String CHARSET = "utf-8";
private static final String FORMAT_NAME = "JPG";
@@ -313,24 +314,14 @@ public class QRCodeUtil {
return image;
}
public static void main(String[] args) throws Exception {
String text = "https://www.baidu.com"; //这里设置自定义网站url
String logoPath ="src/main/resources/static/logo/NAV.png";
String destPath = "src/main/resources/static/qr";
String url=QRCodeUtil.encode(text, logoPath, destPath, true);
System.out.println(url);
/* String file="D:\\11.jpg";
String info=QRCodeUtil.decode(file);
System.out.println(info);*/
}
/**
* 将图片url转换成base64流
* @param url
* @return
*/
public String getBase64(String url){
public static String getBase64(String url){
MultiFormatWriter multiFormatWriter = new MultiFormatWriter();
Map hints = new HashMap();
hints.put(EncodeHintType.CHARACTER_SET, "UTF-8"); //设置字符集编码类型
@@ -343,8 +334,8 @@ public class QRCodeUtil {
//输出二维码图片流
try {
ImageIO.write(image, "jpg",outputStream);
String base = new Base64().encodeAsString(outputStream.toByteArray());
// new Base64().encode(outputStream.toByteArray());
Base64.Encoder encoder = Base64.getEncoder();
String base =encoder.encodeToString(outputStream.toByteArray());
return base;
} catch (IOException e) {
// TODO Auto-generated catch block
@@ -371,4 +362,38 @@ public class QRCodeUtil {
return image;
}
// 获取本地图片路径，转为base64
public static String ImageToBase64(String imgPath) {
byte[] data = null;
// 读取图片字节数组
try {
InputStream in = new FileInputStream(imgPath);
data = new byte[in.available()];
in.read(data);
in.close();
} catch (IOException e) {
e.printStackTrace();
}
// 对字节数组Base64编码
Base64.Encoder encoder = Base64.getEncoder();
// 返回Base64编码过的字节数组字符串
// System.out.println("本地图片转换Base64:" + encoder.encodeToString(data));
return encoder.encodeToString(data);
}
public static void main(String[] args) throws Exception {
String text = "https://www.baidu.com"; //这里设置自定义网站url
String logoPath ="src/main/resources/static/logo/NAV.png";
String destPath = "src/main/resources/static/qr";
String url = QRCodeUtil.encode(text, logoPath, destPath, true);
QRCodeUtil.ImageToBase64("src/main/resources/static/qr/44672405.jpg");
// System.out.println(url);
// String base64 = getBase64(url);
// System.out.println(base64);
/* String file="D:\\11.jpg";
String info=QRCodeUtil.decode(file);
System.out.println(info);*/
}
}