use Codeblocks MinGW in openCV

很实用的codeblocks教程，作者做了大量的编译和调试，书中所有的程序使用的都是MinGW(内嵌了gcc4.3.3)。-Codeblocks very useful tutorial, the author has done a lot of compiling and debugging, all the procedures used in the book are MinGW (embedded gcc4.3.3).