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标签ocg - 这是页1 - GeneraCodice
IText edit or remove the layer on PDF
https://www.generacodice.com/cn/articolo/8854761/itext-edit-or-remove-the-layer-on-pdf
java
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pdf
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layer
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itext
-
ocg
StackOverflow
how to make pdf layers(optional content group) in tree structure
https://www.generacodice.com/cn/articolo/6187801/how-to-make-pdf-layers-optional-content-group-in-tree-structure
pdf
-
layer
-
ocg
StackOverflow
after merge PDFs lose layer settings
https://www.generacodice.com/cn/articolo/4371312/after-merge-pdfs-lose-layer-settings
PHP
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pdf
-
merge
-
layer
-
ocg
StackOverflow
发现结果: 4