From 68ce3e9b15010bcdc544642bca403ca4381047dc Mon Sep 17 00:00:00 2001
From: wenc000 <450292408@qq.com>
Date: Mon, 26 Aug 2019 18:02:17 +0800
Subject: [PATCH] =?UTF-8?q?APP=E4=B8=8B=E8=BD=BD=E6=94=BE=E8=A1=8C?=
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---
 .../java/com/cm/common/filter/AppFilter.java  |  3 +-
 .../java/com/cm/common/utils/QRCodeUtil.java  | 86 +++++++++++++++++++
 pom.xml                                       |  9 +-
 3 files changed, 96 insertions(+), 2 deletions(-)
 create mode 100644 cloud-common/src/main/java/com/cm/common/utils/QRCodeUtil.java

diff --git a/cloud-common/src/main/java/com/cm/common/filter/AppFilter.java b/cloud-common/src/main/java/com/cm/common/filter/AppFilter.java
index db569e0..7eafd46 100644
--- a/cloud-common/src/main/java/com/cm/common/filter/AppFilter.java
+++ b/cloud-common/src/main/java/com/cm/common/filter/AppFilter.java
@@ -34,6 +34,7 @@ public class AppFilter implements Filter {
     private static final Logger LOG = LoggerFactory.getLogger(AppFilter.class);
     private AntPathMatcher antPathMatcher;
     private static final String URL_LOGIN = "/app/sign/login";
+    private static final String URL_DOWNLOAD_APP = "/app/appversion/downloadapp/**";
 
     @Override
     public void init(FilterConfig filterConfig) throws ServletException {
@@ -45,7 +46,7 @@ public class AppFilter implements Filter {
         HttpServletRequest request = (HttpServletRequest) servletRequest;
         HttpServletResponse response = (HttpServletResponse) servletResponse;
         String requestUri = request.getRequestURI();
-        if (antPathMatcher.match(URL_LOGIN, requestUri)) {
+        if (antPathMatcher.match(URL_LOGIN, requestUri) || antPathMatcher.match(URL_DOWNLOAD_APP, requestUri)) {
             filterChain.doFilter(request, response);
             return;
         }
diff --git a/cloud-common/src/main/java/com/cm/common/utils/QRCodeUtil.java b/cloud-common/src/main/java/com/cm/common/utils/QRCodeUtil.java
new file mode 100644
index 0000000..58085fa
--- /dev/null
+++ b/cloud-common/src/main/java/com/cm/common/utils/QRCodeUtil.java
@@ -0,0 +1,86 @@
+package com.cm.common.utils;
+
+import java.awt.Color;
+import java.awt.Graphics2D;
+import java.awt.Image;
+import java.awt.RenderingHints;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.imageio.ImageIO;
+
+import com.google.zxing.BarcodeFormat;
+import com.google.zxing.EncodeHintType;
+import com.google.zxing.MultiFormatWriter;
+import com.google.zxing.common.BitMatrix;
+import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
+
+public class QRCodeUtil {
+
+    public static BufferedImage createQrCode(int width, int height, String content, String logoPath) {
+        Map<EncodeHintType, Object> qrParams = new HashMap<>(3);
+        // 编码
+        qrParams.put(EncodeHintType.CHARACTER_SET, "UTF-8");
+        // 纠错等级
+        qrParams.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.L);
+        // 边框
+        qrParams.put(EncodeHintType.MARGIN, 1);
+        // 生成二维码
+        BufferedImage bufferedImage = null;
+        try {
+            BitMatrix bitMatrix = new MultiFormatWriter().encode(content, BarcodeFormat.QR_CODE,
+                    width, height);
+            bufferedImage = getBufferImage(bitMatrix);
+            if (null != logoPath && !logoPath.isEmpty()) {
+                addLogo(bufferedImage, logoPath);
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return bufferedImage;
+    }
+
+    private static BufferedImage getBufferImage(BitMatrix bitMatrix) {
+        int bmWidth = bitMatrix.getWidth();
+        int bmHeight = bitMatrix.getHeight();
+        BufferedImage bufferedImage = new BufferedImage(bmWidth, bmHeight,
+                BufferedImage.TYPE_INT_ARGB);
+        for (int x = 0; x < bmWidth; x++) {
+            for (int y = 0; y < bmHeight; y++) {
+                bufferedImage.setRGB(x, y, bitMatrix.get(x, y) ? 0xFF000000 : 0xFFFFFFFF);
+            }
+        }
+        return bufferedImage;
+    }
+
+    private static void addLogo(BufferedImage bufferedImage, String logoPath) throws IOException {
+        Graphics2D graphics2d = bufferedImage.createGraphics();
+        Image logo = ImageIO.read(new File(logoPath));
+        // 设置比例
+        int logoWidth = bufferedImage.getWidth() / 6;
+        int logoHeight = bufferedImage.getHeight() / 6;
+
+        // 填充logo
+        int x = bufferedImage.getWidth() / 2 - logoWidth / 2;
+        int y = bufferedImage.getHeight() / 2 - logoHeight / 2;
+        // 设置抗锯齿
+        graphics2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
+                RenderingHints.VALUE_ANTIALIAS_ON);
+        // 填充填充背景
+        graphics2d.setColor(Color.WHITE);
+        graphics2d.fillRoundRect(x, y, logoWidth, logoHeight, 10, 10);
+
+        // 画边框
+        graphics2d.setColor(new Color(220, 220, 220));
+        graphics2d.drawRoundRect(x, y, logoWidth, logoHeight, 10, 10);
+
+        // 画LOGO
+        graphics2d.drawImage(logo, x + 2, y + 2, logoWidth - 4, logoHeight - 4, null);
+        graphics2d.dispose();
+        logo.flush();
+    }
+
+}
diff --git a/pom.xml b/pom.xml
index 8ccbf54..81ad12e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -52,8 +52,8 @@
         <thumbnailator.version>0.4.8</thumbnailator.version>
         <mysql.version>5.1.47</mysql.version>
         <jedis.version>2.9.0</jedis.version>
-
         <swagger.version>2.5.0</swagger.version>
+        <zxing.version>3.3.3</zxing.version>
     </properties>
 
     <dependencies>
@@ -309,6 +309,13 @@
             <version>${swagger.version}</version>
         </dependency>
         <!-- swagger end -->
+        <!-- zxing start -->
+        <dependency>
+            <groupId>com.google.zxing</groupId>
+            <artifactId>core</artifactId>
+            <version>${zxing.version}</version>
+        </dependency>
+        <!-- zxing end -->
     </dependencies>
 
     <dependencyManagement>