上传文件重复问题

hos-arbiter/src/main/resources/application.yml

@@ -23,6 +23,8 @@ arbiter:
      period: 10000
  central:
    url:
    port: 15555
    store: ./store
  terminal:
    url: http://192.168.131.119:10135
  tenant:

hos-web-framework/src/main/java/com/yihu/hos/web/framework/util/GridFSUtil.java

@@ -77,6 +77,7 @@ public class GridFSUtil {
     */
    public static String uploadFile(String filePath,String saveFileName, Map<String, Object> params) {
        //自定义字段
        Document metaDocument = new Document();
        if (params != null && params.size() > 0) {
            for (Map.Entry<String, Object> entry : params.entrySet()) {
@@ -89,6 +90,7 @@ public class GridFSUtil {
        try {
            File readFile = new File(filePath);
            fileInputStream = new FileInputStream(readFile);
            gridFsOperations.delete(Query.query(GridFsCriteria.where("filename").is(saveFileName)));//删除原来的文件，保证唯一
            com.mongodb.gridfs.GridFSFile gridFSFile = gridFsOperations.store(fileInputStream,saveFileName,"",metaDocument);
            if (gridFSFile != null) {
                return saveFileName;
@@ -287,6 +289,7 @@ public class GridFSUtil {
        }
        try {
            gridFsOperations.delete(Query.query(GridFsCriteria.where("filename").is(saveFileName)));//删除原来的文件，保证唯一
            com.mongodb.gridfs.GridFSFile gridFSFile = gridFsOperations.store(inputStream, saveFileName, "", metaDocument);
            if (gridFSFile != null) {
                return saveFileName;