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ruoyi-admin/src/main/java/com/ruoyi/web/controller/common/CommonController.java

@@ -4,6 +4,8 @@ import java.util.ArrayList;
 import java.util.List;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
+
+import com.ruoyi.common.exception.ServiceException;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -101,6 +103,14 @@ public class CommonController
     @PostMapping("/uploadMinio")
     public AjaxResult uploadFileMinio(MultipartFile file) throws Exception {
 
+        // 设置文件大小限制，例如5MB（5 * 1024 * 1024字节）
+        long maxSize = 4 * 1024 * 1024; // MB in bytes
+        long fileSize = file.getSize();
+        // 检查文件大小
+        if (fileSize > maxSize) {
+            // 如果文件大小超过限制，返回错误信息
+           throw new ServiceException("文件大小超过限制，最大允许大小为2MB");
+        }else {
             try {
 
                 String url = FileUploadUtils.uploadMinio(file);
@@ -113,6 +123,7 @@ public class CommonController
             } catch (Exception e) {
                 return AjaxResult.error(e.getMessage());
             }
+        }
 
     }