java - spring类似list性质得设置问题

Question

我有个端口号和其解析类的对应关系。例如：1000 a.class1001 b.class1002 c.class当我判断出接受数据是哪一个端口我就调用其对应的解析类。现在用代码已经实现了，但是因为端口号可能增加或变动，就需要这个可变...

伊谢尔伦 · Answer

Isn’t it possible to write to the database? Get it from the database in real time. Of course, for efficiency, you can cache it.

大家讲道理 · Answer

Get a properties file with content such as:

1000=a
1001=b
1002=c

高洛峰 · Answer

Can’t spring beans be configured with conditions?

Php8, I'm coming too