参考: http://www.cyberciti.biz/faq/curl-download-file-example-under-linux-unix/curl -o ~/Desktop/outputfile.zip http://7xr5hw.com2.z0.glb.qiniucdn.com/mobile_h5_android_all_2.0.0.zip
curl Command Download File
原文：http://www.cnblogs.com/qike/p/5486964.html
