安装ImageMagick

安装依赖
yum install libpng-devel.x86_64
yum install freetype-devel ****
yum install libtool-ltdl-devel
yum install libjpeg-devel
yum install tcl-devel

yum install ghostscript-devel ***
yum install bzip2-devel

安装imagemagick
解压 tar -xzvf ImageMagick-7.0.8-15
进入目录 cd ImageMagick-7.0.8-15
./configure --prefix=/usr/local/imagemagick
./configure --enable-shared --enable-lzw --without-perl --with-modules --prefix=/usr/local/imagemagick
执行 ./configure，执行结束后在结尾可以看到已链接到tif
执行 make && make install
执行 ldconfig /usr/local/lib
检测是否成功 convert -version

convert /data/file/cihf/pic/2021/1/26/161164644077693173.jpg -resize 100 -background none -gravity center -extent 100 /data/file/cihf/pic/2021/1/26/result3.jpg