接到这个需求的时候，我还挺乐观的：报表生成PDF嘛，Python里框架一堆，找个库画上去不就行了。结果第一版交付出去，对方打开文件，满屏都是方框和问号，中文字体全乱套。后来我才发现，ReportLab这套老牌PDF生成库虽然文档齐全，但“中文支持”这层窗户纸，几乎每个新手都要捅破一次。

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