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How to convert word to picture in php: first install unoconv; then install imagemagick through the "sudo apt-get install imagemagick" command; finally convert word to picture.
The operating environment of this article: linux5.9.8 system, PHP version 7.1, Dell G3 computer.
Use php to convert doc and ppt to pictures under linux
The solution is divided into two steps:
(1) Call the unoconv command to convert doc and ppt Convert pdf
(2) Use imagemagick to convert pdf to image
Steps
1. Install unoconv
sudo apt-get install unoconv
Whether the installation is successful
unoconv --version
2. Install imagemagick
sudo apt-get install imagemagick
Whether the installation is successful
convert -version
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3. Test
(1) Convert odt file to pdf file
unoconv -f pdf test.docx
(2) Convert pdf to picture (jpg)
convert XXX.pdf %d.jpg
%d is converted on a page basis
4.php calls the shell command to convert
<?php exec("unoconv -f pdf test.docx"); exec("convert test.pdf %d.jpg");
Supplement
1. If an error occurs:
Convert: not authorized `test.pdf' @ error/constitute.c/ReadImage/412.
Convert: no images defined `%d.jpg' @ error/convert.c/ConvertImageCommand/3210.
Solution:
Modify the configuration file /etc/ImageMagick-6/policy.xml
Change
<policy domain="coder" rights="none" pattern="PDF" />
to
<policy domain="coder" rights="read|write" pattern="PDF" />
Add
<policy domain="coder" rights="read|write" pattern="LABEL" />
2. If the converted image is blurry
The conversion is to add parameters
convert -density 300 -quality 100 test.pdf %d.jpg
-density Compression rate, 100 means no compression
php code changed to
<?php exec("unoconv -f pdf test.docx"); exec("convert -density 300 -quality 100 test.pdf %d.jpg");
3. Garbled code problem
If the converted file appears garbled
In /usr/ Create a new folder win under share/fonts/ and set permissions, and copy all the fonts under window-fonts under windows to it
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