$ sudo pacman -S unzip
简单用法：
$ unzip xxx.zip
其他：
Basic unzip command line:
unzip [-Z] options archive[.zip] [file ...] [-x xfile ...] [-d exdir]
Some examples:
unzip -l foo.zip - list files in short format in archive foo.zip
unzip -t foo - test the files in archive foo
unzip -Z foo - list files using more detailed zipinfo format
unzip foo - unzip the contents of foo in current dir
unzip -a foo - unzip foo and convert text files to local OS
