小程序二维码高清下载

src/main/java/com/dlbridge/jadp/plugins/cmpt/web/ResourcesController.java

@@ -84,20 +84,20 @@ public class ResourcesController {
         response.addHeader("Content-Disposition", "attachment; filename=qrcode.jpg");
         JSONObject obj = new JSONObject();
         obj.put("scene", "raceId=" + cmptid);
+        obj.put("width", "1280");
         String partnerId = cmptService.getPartnerId(cmptid);
 
         // 重新获取小程序access_token
         String accessToken = getMicroAccessToken(partnerId);
 
         ResponseEntity<org.springframework.core.io.Resource> resourceResponseEntity = restTemplate.postForEntity(
-                "https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token="
-                + accessToken , obj.toString(), org.springframework.core.io.Resource.class);
+                "https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=" + accessToken , obj.toString(), org.springframework.core.io.Resource.class);
 
         Cmpt cmpt = cmptService.queryCmptBycmptId(cmptid);
         if(resourceResponseEntity.getBody().getInputStream() != null){
             BufferedImage bg = ImageIO.read(resourceResponseEntity.getBody().getInputStream());
             BufferedImage qr = ImageIO.read(new URL(cmpt.getLogo()));
-            overlapImage(bg, qr, response);
+            overlapImageHD(bg, qr, response);
         }else{
             log.info("=====获取小程序码为空："+resourceResponseEntity.getBody().toString());
         }
@@ -109,7 +109,7 @@ public class ResourcesController {
             BufferedImage background = resizeImage(300, 300, bg);
             BufferedImage qrCode = resizeImage(140, 140, qrCodeIps);
 
-            qrCode = converToRadius(qrCode);
+            qrCode = converToRadius(qrCode,140,140);
             qrCode.createGraphics().setBackground(Color.WHITE);
             Graphics2D g = background.createGraphics();
             //在背景图片上添加二维码图片
@@ -122,8 +122,27 @@ public class ResourcesController {
         return null;
     }
 
-    private static BufferedImage converToRadius(BufferedImage image) {
-        BufferedImage output = new BufferedImage(140, 140,
+    public static String overlapImageHD(BufferedImage bg, BufferedImage qrCodeIps, HttpServletResponse response) {
+        try {
+            //设置图片大小
+            BufferedImage background = resizeImage(1200, 1200, bg);
+            BufferedImage qrCode = resizeImage(560, 560, qrCodeIps);
+
+            qrCode = converToRadius(qrCode,560,560);
+            qrCode.createGraphics().setBackground(Color.WHITE);
+            Graphics2D g = background.createGraphics();
+            //在背景图片上添加二维码图片
+            g.drawImage(qrCode, 320, 320, qrCode.getWidth(), qrCode.getHeight(), null);
+            g.dispose();
+            ImageIO.write(background, "jpg", response.getOutputStream());
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    private static BufferedImage converToRadius(BufferedImage image, int width, int height) {
+        BufferedImage output = new BufferedImage(width, height,
                 BufferedImage.TYPE_INT_ARGB);
         Graphics2D g2 = output.createGraphics();
 
@@ -131,8 +150,8 @@ public class ResourcesController {
         g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                 RenderingHints.VALUE_ANTIALIAS_ON);
         g2.setColor(Color.WHITE);
-        g2.fill(new RoundRectangle2D.Float(0, 0, 140, 140, 140,
-                140));
+        g2.fill(new RoundRectangle2D.Float(0, 0, width, height, width,
+                height));
 
         g2.setComposite(AlphaComposite.SrcAtop);
         g2.drawImage(image, 0, 0, null);