自己找一个吧 里面很多http://wenku.baidu.com/search?word=%B4%F3%D1%A7%D3%A2%D3%EF%D1%DD%BD%B2&lm=3&od=0 http://wenku.baidu.com/search?word=%D3%A2%D3%EF%D1%DD%BD%B2&lm=3&od=0
