import java.io.*;
import java.sql.*;
public class Pass{
public static void main(String[] args){
BufferedReader br = null;
try{
br = new BufferedReader(new InputStreamReader(new FileInputStream("D:\\pass.txt")));
Class.forName("com.mysql.jdbc.Driver");
Connection con = null;
String url = "jdbc:mysql://127.0.0.1:3306/mydb";
String username = "root";
String password = "";
while((password = br.readLine())!=null){
try{
con = DriverManager.getConnection(url,username,password);
if(con != null){
System.out.println("OK:"+password);
break;
}
}catch(Exception e1){
}
}
}catch(Exception e){
e.printStackTrace();
}finally{
try{
br.close();
}catch(Exception e2){}
}
}
}
大概就是這樣了！測試過的，可以！