审核模块相关接口修改

src/main/java/com/zg/common/utils/MinioUtil.java

@@ -97,26 +97,53 @@ public class MinioUtil {
 
         return endpoint + "/" + bucketName + "/" + objectName;
     }
-    public String uploadBase64(String imgStr,String bucketName,String folder){
+    public String uploadBase64(String imgStr, String bucketName, String folder) {
         try {
             String objectName = folder + UUID.randomUUID().toString().replace("-", "") + ".png";
-            String filePath =  RuoYiConfig.getProfile()+"/"+bucketName+"/"+objectName;
-            imgStr = imgStr.replace("data:image/png;base64,", "");
-            // 解码Base64字符串
+            imgStr = imgStr.replace("data:image/png;base64,", "").replace("data:image/jpeg;base64,", "");
             byte[] imageBytes = Base64.getDecoder().decode(imgStr);
 
-            // 将字节转换为BufferedImage
-            BufferedImage img = javax.imageio.ImageIO.read(new java.io.ByteArrayInputStream(imageBytes));
+            // 确保 bucket 存在
+            boolean exists = minioClient.bucketExists(BucketExistsArgs.builder().bucket(bucketName).build());
+            if (!exists) {
+                minioClient.makeBucket(MakeBucketArgs.builder().bucket(bucketName).build());
+            }
+
+            // 设置公共访问策略（幂等）
+            String policyJson = "{\n" +
+                    "  \"Version\":\"2012-10-17\",\n" +
+                    "  \"Statement\":[\n" +
+                    "    {\n" +
+                    "      \"Effect\":\"Allow\",\n" +
+                    "      \"Principal\":{\"AWS\":\"*\"},\n" +
+                    "      \"Action\":[\"s3:GetObject\"],\n" +
+                    "      \"Resource\":[\"arn:aws:s3:::" + bucketName + "/*\"]\n" +
+                    "    }\n" +
+                    "  ]\n" +
+                    "}";
+
+            minioClient.setBucketPolicy(
+                    SetBucketPolicyArgs.builder()
+                            .bucket(bucketName)
+                            .config(policyJson)
+                            .build()
+            );
+
+            // 构造 InputStream 上传
+            try (InputStream inputStream = new java.io.ByteArrayInputStream(imageBytes)) {
+                minioClient.putObject(PutObjectArgs.builder()
+                        .bucket(bucketName)
+                        .object(objectName)
+                        .stream(inputStream, imageBytes.length, -1)
+                        .contentType("image/png")
+                        .build());
+            }
 
-            // 写入图片到文件系统
-            File outputFile = new File(filePath);
-            ImageIO.write(img, "PNG", outputFile);
             return endpoint + "/" + bucketName + "/" + objectName;
-//            System.out.println("图片已保存到: " + outputFile.getAbsolutePath());
         } catch (Exception e) {
-            System.err.println("转换或保存图片时发生错误: " + e.getMessage());
+            System.err.println("Base64上传MinIO失败：" + e.getMessage());
+            return "";
         }
-        return "";
     }
 
     /**