以下代码错在哪里啊,怎么没反应的啊? Connection con;
Statement stmt;
ResultSet rs;
String sss = "jdbc:odbc:sql";//sql是数据源名
try{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
con=DriverManager.getConnection(source,"","");
stmt = con.createStatement();
rs = stmt.executeQuery("SELECT * from user");//user是表名
while(rs.next()){
uname=rs.getString(2);
pword=rs.getString(3);
if(txtUserName.getText().trim().equals(uname) && txtPassword1.getText().trim().equals(pword) && txtPassword2.getText().trim().equals(pword)){
JOptionPane.showMessageDialog(null,"你是合法用户,已成功登录!!!","成功登录",JOptionPane.INFORMATION_MESSAGE);
}
}catch(Exception sqlex){
//
}
Statement stmt;
ResultSet rs;
String sss = "jdbc:odbc:sql";//sql是数据源名
try{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
con=DriverManager.getConnection(source,"","");
stmt = con.createStatement();
rs = stmt.executeQuery("SELECT * from user");//user是表名
while(rs.next()){
uname=rs.getString(2);
pword=rs.getString(3);
if(txtUserName.getText().trim().equals(uname) && txtPassword1.getText().trim().equals(pword) && txtPassword2.getText().trim().equals(pword)){
JOptionPane.showMessageDialog(null,"你是合法用户,已成功登录!!!","成功登录",JOptionPane.INFORMATION_MESSAGE);
}
}catch(Exception sqlex){
//
}
sqlex.printStacktrace(); // 把异常打印出来看看啊!!!
}