我认为 java 中没有 Open Type Font 支持(至少不是免费的)，iText 声称有这种支持，几个月前尝试过它没有用，对我有用的是一个名为 FontForge 的程序，我曾经用它从我使用的 otf 创建一个 ttf.

I don't think there is Open Type Font support in java (not free atleast), iText claimed to have such support, tried it a few month ago and it didn't work, what worked for me is a program called FontForge which I used to create a ttf from the otf which I then used.