http://wenku.baidu.com/link?url=QDxDYGvLkbeGDmVGQHUzNJ1hrBk-J7ajzG439w_2fKUOggHziGQiCey79LeqqpwBPcwmAcMzPAfe6czg9-dN5S37ET2hxmqmbapWjvLkr8K
http://blog.csdn.net/pjk1129/article/details/6593264
导入ASIHttp的时候的设置
http://blog.csdn.net/liushijiao258/article/details/12125463