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PDF 预览权限控制

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in Technique[技术] by (71.8m points)

PDF 预览权限控制

像百度文库那样，根据用户权限只显示PDF的几页给用户查看，这个是怎么做到的？


与恶龙缠斗过久,自身亦成为恶龙；凝视深渊过久,深渊将回以凝视…
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by (71.8m points)

没权限就给他pdf拆分
给他前几页 这不就得了


与恶龙缠斗过久,自身亦成为恶龙；凝视深渊过久,深渊将回以凝视…
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