y {
Class.forName(driver);
if(!db_Ex()){ //判断数据库是否存在
conn=DriverManager.getConnection(url+";create=true");
createTable();
}else{
conn=DriverManager.getConnection(url);
}
delNowUser();
addLocaUser();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Class.forName(driver);
if(!db_Ex()){ //判断数据库是否存在
conn=DriverManager.getConnection(url+";create=true");
createTable();
}else{
conn=DriverManager.getConnection(url);
}
delNowUser();
addLocaUser();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}