java 去除文本文件中换行和空格

 

 

        // 读取文本中所有内容
        String path="D:\\Desktop\接口\\postman\\jsonArray.txt";
        List<String> lines = Files.readAllLines(Paths.get(path), StandardCharsets.UTF_8);
        String content= String.join(System.lineSeparator(),lines);
        System.out.println("content = "+content);
        // 去除空格换行
        content = content.replaceAll("\r|\n", "").replace(" ", "");
        System.out.println("content = "+content);