添加微信接口二进制转base64

ruoyi-admin/src/main/java/com/ruoyi/system/controller/WeChatController.java

@@ -54,8 +54,8 @@ public class WeChatController extends BaseController {
     @ApiOperation("获取微信二维码")
     @PostMapping("/findWxCode")
     public AjaxResult findWxCode(@RequestBody WeChatCodeRequest req) {
-        weChatService.findWxCode(req);
-        return AjaxResult.success();
+
+        return AjaxResult.success(weChatService.findWxCode(req));
     }
 
     /**

ruoyi-admin/src/main/java/com/ruoyi/system/service/WeChatService.java

@@ -50,5 +50,5 @@ public interface WeChatService {
      * @param req 获取小程序码请求类
      * @return 微信二维码二进制
      */
-    void findWxCode(WeChatCodeRequest req);
+    byte[] findWxCode(WeChatCodeRequest req);
 }

ruoyi-admin/src/main/java/com/ruoyi/system/service/impl/WeChatServiceImpl.java

@@ -12,14 +12,8 @@ import com.ruoyi.system.domain.dto.request.WeChatRequest;
 import com.ruoyi.system.service.WeChatService;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
-import sun.misc.BASE64Decoder;
 
 import javax.annotation.Resource;
-import javax.imageio.ImageIO;
-import java.awt.image.BufferedImage;
-import java.io.ByteArrayInputStream;
-import java.io.File;
-import java.io.IOException;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 import java.util.Arrays;
@@ -37,11 +31,12 @@ import java.util.concurrent.TimeUnit;
 @Service
 public class WeChatServiceImpl implements WeChatService {
 
-    static BASE64Decoder decoder = new BASE64Decoder();
     @Value("${wechat.appid}")
     private String appid;
+
     @Value("${wechat.secret}")
     private String secret;
+
     @Resource
     private RedisCache redisCache;
 
@@ -150,7 +145,7 @@ public class WeChatServiceImpl implements WeChatService {
      * @return 微信二维码二进制
      */
     @Override
-    public void findWxCode(WeChatCodeRequest req) {
+    public byte[] findWxCode(WeChatCodeRequest req) {
         String accessToken = this.findAccessToken();
         Map<String, Object> map = new HashMap<>();
         if (req.getWidth() != null) {
@@ -159,17 +154,7 @@ public class WeChatServiceImpl implements WeChatService {
         map.put("path", req.getPath() + "?shanghuId=" + req.getShanghuId());
         String jsonStr = JSONUtil.toJsonStr(map);
         String body = HttpUtil.post("https://api.weixin.qq.com/wxa/getwxacode?access_token=" + accessToken, jsonStr);
-//        BufferedImage image = null;
 //        return Base64.getEncoder().encodeToString(body.getBytes());
-        try {
-            byte[] bytes1 = decoder.decodeBuffer(body);
-
-            ByteArrayInputStream bais = new ByteArrayInputStream(bytes1);
-            BufferedImage bi1 = ImageIO.read(bais);
-            File w2 = new File("D:\\QQ.png");// 可以是jpg,png,gif格式
-            ImageIO.write(bi1, "png", w2);// 不管输出什么格式图片，此处不需改动
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
+        return body.getBytes();
     }
 }