FilenameFilter 文件名过滤

public static final FilenameFilter JSON_CONFIG_FILE_FILTER = new FilenameFilter() {

        @Override

        public boolean accept(File dir, String name) {

            return name.endsWith(".json");

        }

    };

 

 File file = new File(collTemplateDir);

        File[] list = file.listFiles(JSON_CONFIG_FILE_FILTER);