From ebd8c2eaf7215d74229de20e3e4028150445d8ad Mon Sep 17 00:00:00 2001
From: Administrator <admin>
Date: Wed, 25 Aug 2021 18:01:21 +0800
Subject: [PATCH] 二维码接口修改
---
src/main/java/org/springblade/common/utils/QRCodeUtil.java | 17 +++++++++++++++++
1 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/src/main/java/org/springblade/common/utils/QRCodeUtil.java b/src/main/java/org/springblade/common/utils/QRCodeUtil.java
index fe98c12..f7cdd3a 100644
--- a/src/main/java/org/springblade/common/utils/QRCodeUtil.java
+++ b/src/main/java/org/springblade/common/utils/QRCodeUtil.java
@@ -3,6 +3,8 @@
import com.github.xiaoymin.knife4j.core.util.StrUtil;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.EncodeHintType;
+import com.google.zxing.WriterException;
+import com.google.zxing.client.j2se.MatrixToImageWriter;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.qrcode.QRCodeWriter;
import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
@@ -212,4 +214,19 @@
ImageIO.write(image, IMAGE_FORMAT, output);
}
+ /**
+ *高度——height，
+ * 宽度——width，
+ * 二维码内容——text（url需要自动跳转前面加上https://）
+ */
+ public static byte[] getQRCodeImage(String text, int width, int height) throws WriterException, IOException {
+ QRCodeWriter qrCodeWriter = new QRCodeWriter();
+ BitMatrix bitMatrix = qrCodeWriter.encode(text, BarcodeFormat.QR_CODE, width, height);
+
+ ByteArrayOutputStream pngOutputStream = new ByteArrayOutputStream();
+ MatrixToImageWriter.writeToStream(bitMatrix, "JPG", pngOutputStream);
+ byte[] pngData = pngOutputStream.toByteArray();
+ return pngData;
+ }
+
}
--
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