Remember, in UNIX directories, devices, symbolic links, and other objects are all files, so the test operators shown above will work with every type of file.
请记住,在 UNIX 目录中,设备、符号链接和其他对象都是文件,所以上面的测试操作符适用于所有类型的文件。
The only sanctioned way to change the server side state is to use action links — and for a transactional type of request, action links are the best choice.
要更改服务器端状态,唯一得到认可的方法就是使用操作链接,而对于事务类型的请求,操作链接是最好的选择。
The best known types are input type buttons and anchor links (see figure 4).
最常见的类型就是输入类型按钮和锚定链接(见图 4)。
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