java.lang.NullPointerException
at com.mdol.DBconnmangers.DataBase.executeQuery(DataBase.java:43)
at com.mdol.channal.ChnListBean.getWintrolist(ChnListBean.java:64)
at com.mdol.channal.ChnListBean.setChnid(ChnListBean.java:55) 应该数据库连接出错~
at com.mdol.DBconnmangers.DataBase.executeQuery(DataBase.java:43)
at com.mdol.channal.ChnListBean.getWintrolist(ChnListBean.java:64)
at com.mdol.channal.ChnListBean.setChnid(ChnListBean.java:55) 应该数据库连接出错~
数据库连接的问题吧
代码看看