添加微信接口二进制转base64

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
      */
-    byte[] findWxCode(WeChatCodeRequest req);
+    String findWxCode(WeChatCodeRequest req);
 }

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

@@ -17,6 +17,7 @@ import javax.annotation.Resource;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 import java.util.Arrays;
+import java.util.Base64;
 import java.util.Formatter;
 import java.util.HashMap;
 import java.util.Map;
@@ -145,7 +146,7 @@ public class WeChatServiceImpl implements WeChatService {
      * @return 微信二维码二进制
      */
     @Override
-    public byte[] findWxCode(WeChatCodeRequest req) {
+    public String findWxCode(WeChatCodeRequest req) {
         String accessToken = this.findAccessToken();
         Map<String, Object> map = new HashMap<>();
         if (req.getWidth() != null) {
@@ -154,6 +155,6 @@ 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);
-        return body.getBytes();
+        return Base64.getEncoder().encodeToString(body.getBytes());
     }
 }