安裝依賴包：
yum install libpng libjpeg freetype libpng-devel libjpeg-devel?libtool-ltdl-devel?libtool-ltdl
官網下載GraphicsMagick包
官網地址：http://www.graphicsmagick.org/
解壓編譯安裝：
tar xf GraphicsMagick-1.3.25.tar.gz
./configure --prefix=/usr/local/graphicsmagick-1.3.25 --enable-shared --enable-lzw --without-perl --with-modules
make && make install
附圖片批量處理腳本：
#!/bin/bash
IFS=`echo?-en?"\n\b"`;
echo?$IFS
function?geneThumb()
{
for?file?in?`ls?$1`
do
echo?$file
image="${1}/${file}"
thumb="${1}/Thumb_${file}"
ext_name=${file##*.}
image_basename=`basename?$image`
if?[?-d?${image}?]
then
geneThumb?${image}
elif?(?[?${image_basename:0:5}?!=?"Thumb"?])?&&?(?[?!?-f?${thumb}?]?)?&&??(?[?$ext_name?=?'jpg'?-o?$ext_name?=?'gif'?-o?$ext_name?=?'png'?-o?$ext_name?=?'bmp'?]?)
then
echo?$thumb
if?[?$ext_name?=?'png'?-o?$ext_name?=?'bmp'?]
then
gm?convert?"$image"?-thumbnail?128x128?-colors?256?"$thumb"
else
gm?convert?"$image"?-thumbnail?128x128?-quality?85?"$thumb"
fi
else
echo?"already?exists"
fi
done
}
geneThumb?$1
)
