分享一个高级开发的url

http://blog.csdn.net/lengshengren/article/details/17764135

http://blog.csdn.net/lizhongfu2013/article/details/9497187

http://blog.csdn.net/lizhongfu2013/article/details/9497721

http://blog.csdn.net/lizhongfu2013/article/details/9498233

写的比较详细 估计有时候可以用到