Find centralized, trusted content and collaborate around the technologies you use most.
Teams
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
我从标题中获取内容类型，我需要获取此内容类型的扩展名。
例如：内容类型是application/java-archive然后我想要一个字符串输出为jar.
application/java-archive
jar