UIDocumentInteractionController

UIDocumentInteractionController实现显示pdf.doc

http://www.cocoachina.com/ask/questions/show/86056

UIDocumentInteractionController 预览乱码

http://www.cocoachina.com/ask/questions/show/92790

http://www.cocoachina.com/newbie/basic/2013/0515/6212.html

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原文地址：https://www.cnblogs.com/zhangjl/p/3824523.html