References：
http://stackoverflow.com/questions/6185982/accessing-command-line-arguments-in-nsis
http://stackoverflow.com/questions/3256140/how-to-read-a-command-line-parameter-given-to-an-uninstaller
http://nsis.sourceforge.net/Get_command_line_parameter_by_name
NSIS Installer(被NSI脚本编译出来的target)获取命令行参数,布布扣,bubuko.com
NSIS Installer(被NSI脚本编译出来的target)获取命令行参数
原文：http://www.cnblogs.com/foohack/p/3569426.html