How to convert word to picture in php

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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