base64上传

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

@@ -1,5 +1,6 @@
 package com.zg.common.utils;
 
+import com.zg.framework.config.RuoYiConfig;
 import io.minio.*;
 import io.minio.errors.*;
 import org.springframework.beans.factory.annotation.Value;
@@ -7,7 +8,11 @@ import org.springframework.stereotype.Component;
 import org.springframework.web.multipart.MultipartFile;
 
 import javax.annotation.PostConstruct;
+import javax.imageio.ImageIO;
+import java.awt.image.BufferedImage;
+import java.io.File;
 import java.io.InputStream;
+import java.util.Base64;
 import java.util.UUID;
 
 /**
@@ -92,6 +97,27 @@ public class MinioUtil {
 
         return endpoint + "/" + bucketName + "/" + objectName;
     }
+    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
+            byte[] imageBytes = Base64.getDecoder().decode(imgStr);
+
+            // 将字节转换为BufferedImage
+            BufferedImage img = javax.imageio.ImageIO.read(new java.io.ByteArrayInputStream(imageBytes));
+
+            // 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());
+        }
+        return "";
+    }
 
     /**
      * 上传文件到默认 bucket 根目录