修改

jeecg-boot-module-system/src/main/java/org/jeecg/modules/iost/basedata/controller/DownLoadController.java

@@ -33,12 +33,12 @@ public class DownLoadController {
     @ApiOperation(value = "下载APK", notes = "下载APK")
     @RequestMapping("/download")
     public ResponseEntity<byte[]> download(HttpServletRequest request) throws IOException {
-        InputStream is = getClass().getClassLoader().getResourceAsStream("res/test.apk");
+  /*      InputStream is = getClass().getClassLoader().getResourceAsStream("res/test.apk");*/
 
-/*        //读取文件
-       File file = new File("res/test.apk");*/
+        //读取文件
+       File file = new File("res/test.apk");
         byte[] body = null;
-        /*InputStream is = new FileInputStream(file);*/
+        InputStream is = new FileInputStream(file);
         body = new byte[is.available()];
         is.read(body);
         HttpHeaders headers = new HttpHeaders();
@@ -58,10 +58,10 @@ public class DownLoadController {
           /* InputStream in=getClass().getClassLoader().getResourceAsStream("res/test.apk");*/
         response.setContentType("application/vnd.android.package-archive");
         //读取文件
-        /*File file = new File("D:\\file\\test.apk");*/
+        File file = new File("/home/test.apk");
         byte[] body = null;
-        /*InputStream in = new FileInputStream(file);*/
-        InputStream in = getClass().getClassLoader().getResourceAsStream("file/test.apk");
+        InputStream in = new FileInputStream(file);
+        /*InputStream in = getClass().getClassLoader().getResourceAsStream("file/test.apk");*/
         OutputStream outputStream = new BufferedOutputStream(response.getOutputStream());
 //创建存放文件内容的数组
         byte[] buff = new byte[1024];