That is, the first argument to a macro is % 1, the second is % 2, the third is % 3, and so on. For example.

也就是说，宏的第一个参数是% 1，第二个是% 2，第三个是% 3，以此类推。

youdao

It defines a function with a single argument, credentials, which will be used by the auth-constraints macro.

它定义一个具有单一参数credentials的函数，供auth - constraints宏使用。

youdao

The resource macro basically builds a function for processing security credentials and then passes that as an argument to webserver: add-security-function.

resource宏构建一个处理安全凭证的函数，然后将它作为参数传递给webserver： add - security - function。

youdao