http://mirrors.ustc.edu.cn/qtproject/archive/qt/5.5/5.5.1/qt-opensource-windows-x86-android-5.5.1.exe
http://mirrors.ustc.edu.cn/qtproject/archive/qt/
http://mirrors.ustc.edu.cn/qtproject/archive/qt/5.3/5.3.2/
C
原文：http://www.cnblogs.com/cppskill/p/5543123.html