变量file修改，避免和bookpage中的变量重名

bms/src/main/java/com/hssx/bms/controller/BookController.java

@@ -70,8 +70,8 @@ public class BookController {
     @ApiOperation(value = "图书图片的上传", notes = "图书图片的上传方法")
     @RequestMapping("/addBookPage")
     @ResponseBody
-    public HttpRespMsg addBookPage(BookPage bookPage, @RequestParam(required = false) MultipartFile file){
-        HttpRespMsg msg = bookPageService.addBookPage(bookPage,file);
+    public HttpRespMsg addBookPage(BookPage bookPage, @RequestParam(required = false) MultipartFile zipFile){
+        HttpRespMsg msg = bookPageService.addBookPage(bookPage,zipFile);
         return msg;
     }