library/ModifyPassword.java

package database;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;

public class ModifyPassword {
	public ModifyPassword() {
	}
	public static void modifypass(String user,String password) {
		Connection con = ConnectDatabasemxq.connectDB();

		PreparedStatement preSql;

		String sqlStr = "update usertable set password=? where user = ?";

		try {
			preSql = con.prepareStatement(sqlStr);
			preSql.setString(1, password);
			preSql.setString(2, user);
			int ok = preSql.executeUpdate();
			
			con.close();
		} catch (SQLException e) {
		}
	}
}