节点随机

生成配置key的字符串

从配置的指定key下取出一个字符串

{random:group:<key>}
{random:group:test}

如上面的例子,就是从test里随机取出abab或aabb

test:
  - "abab"
  - "aabb"

如果是

test:
  - "0.9#abab"
  - "aabb"

则是指定90%几率随机到abab 也可以这样:

test:
  - "{random:double:0.1-0.6}#abab"
  - "{random:double:0.3-0.95}#aabb"

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