diff --git a/boot-service/src/main/java/com/xwbing/demo/FileUploadDemo.java b/boot-service/src/main/java/com/xwbing/demo/FileUploadDemo.java
new file mode 100644
index 0000000..1bdf240
--- /dev/null
+++ b/boot-service/src/main/java/com/xwbing/demo/FileUploadDemo.java
@@ -0,0 +1,47 @@
+package com.xwbing.demo;
+
+import com.alibaba.fastjson.JSONObject;
+import com.xwbing.exception.UtilException;
+import org.springframework.stereotype.Service;
+import org.springframework.web.multipart.MultipartFile;
+import org.springframework.web.multipart.commons.CommonsMultipartFile;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.Base64;
+import java.util.List;
+
+/**
+ * 作者: xiangwb
+ * 说明: FileUploadDemo
+ */
+@Service
+public class FileUploadDemo {
+    public static List<JSONObject> fileUpload(CommonsMultipartFile[] multipartFiles) {
+        List<JSONObject> list = new ArrayList<>();
+        JSONObject materialInfo;
+        for (MultipartFile multipartFile : multipartFiles) {
+            if (!multipartFile.isEmpty()) {
+                materialInfo=new JSONObject();
+                String originName = multipartFile.getOriginalFilename();//原始名字
+                materialInfo.put("name",originName);
+                String fileType = originName.substring(originName.lastIndexOf(".") + 1);//获取文件后缀
+                materialInfo.put("type",fileType);
+                byte[] data;
+                try {
+                    InputStream is = multipartFile.getInputStream();//文件输入流
+                    data = new byte[1024 * 10];
+                    is.read(data);
+                    is.close();
+                } catch (IOException e) {
+                    throw new UtilException("读取数据错误");
+                }
+                String base64 = Base64.getEncoder().encodeToString(data);//对数据字节进行base64编码
+                materialInfo.put("data",base64);
+                list.add(materialInfo);
+            }
+        }
+        return list;
+    }
+}
diff --git a/boot-service/src/main/java/com/xwbing/demo/IODemo.java b/boot-service/src/main/java/com/xwbing/demo/IODemo.java
index 0986fbb..2d7ac59 100644
--- a/boot-service/src/main/java/com/xwbing/demo/IODemo.java
+++ b/boot-service/src/main/java/com/xwbing/demo/IODemo.java
@@ -66,7 +66,7 @@ public class IODemo {
          */
         InputStreamReader isr = new InputStreamReader(fis, "utf-8");
         OutputStreamWriter osw = new OutputStreamWriter(fos, "gbk");
-        int leng = 1;
+        int leng;
         while ((leng = isr.read()) != -1) {
             osw.write(leng);
         }