我做了一个51开发板原理图，做了两层，可是连接端口时生成的P1口不只一个，有很多，如图file:///D:/My%20Documents/%E6%A1%8C%E9%9D%A2/QQ%E6%88%AA%E5%9B%BE20130731064250.png ，图片在file:///C:Documents and SettingsAdministratorApplication DataTencentUsers605123918QQWinTempRichOle{3{8~Y@TX0IQVV9Y)}@C0$5.jpg工具栏中的图片中
file:///C:Documents and SettingsAdministratorApplication DataTencentUsers605123918QQWinTempRichOle{3{8~Y@TX0IQVV9Y)}@C0$5.jpgfile:///C:Documents and SettingsAdministratorApplication DataTencentUsers605123918QQWinTempRichOle{3{8~Y@TX0IQVV9Y)}@C0$5.jpgfile:///C:Documents and SettingsAdministratorApplication DataTencentUsers605123918QQWinTempRichOle{3{8~Y@TX0IQVV9Y)}@C0$5.jpg
file:///D:/My%20Documents/%E6%A1%8C%E9%9D%A2/QQ%E6%88%AA%E5%9B%BE20130731064250.png file:///D:/My%20Documents/%E6%A1%8C%E9%9D%A2/QQ%E6%88%AA%E5%9B%BE20130731064250.png file:///D:/My%20Documents/%E6%A1%8C%E9%9D%A2/QQ%E6%88%AA%E5%9B%BE20130731064250.png file:///D:/My%20Documents/%E6%A1%8C%E9%9D%A2/QQ%E6%88%AA%E5%9B%BE20130731064250.png file:///D:/My%20Documents/%E6%A1%8C%E9%9D%A2/QQ%E6%88%AA%E5%9B%BE20130731064250.png file:///D:/My%20Documents/%E6%A1%8C%E9%9D%A2/QQ%E6%88%AA%E5%9B%BE20130731064250.png file:///D:/My%20Documents/%E6%A1%8C%E9%9D%A2/QQ%E6%88%AA%E5%9B%BE20130731064250.png file:///D:/My%20Documents/%E6%A1%8C%E9%9D%A2/QQ%E6%88%AA%E5%9B%BE20130731064250.png file:///D:/My%20Documents/%E6%A1%8C%E9%9D%A2/QQ%E6%88%AA%E5%9B%BE20130731064250.png