Java开发网 - 又有新问题了(判断密码达不到效果)代码补全了

Topic: 又有新问题了(判断密码达不到效果)代码补全了

1.又有新问题了(判断密码达不到效果)代码补全了

Posted by: jialichao
Posted on: 2006-05-28 18:01

package mypackage;

import javax.swing.*;

import java.sql.*;
import java.awt.*;
import java.awt.event.*;

public class FramSet extends JFrame {

  /**
   * @param args
   */
  JLabel username;
  JLabel password;
  JLabel repassword;
  JLabel age;
  JLabel name;
  JLabel lname;
  JTextField usertext;
  JPasswordField passwordtext;
  JPasswordField repasswordtext;
  JTextField agetext;
  JButton submit;
  JRadioButton man;
  JRadioButton woman;
  String sex="男";

  public FramSet()
  {

    Container c=this.getContentPane();

    GridBagLayout gbl=new GridBagLayout();
    GridBagConstraints gbc= new GridBagConstraints();

    c.setLayout(gbl);
    gbc.anchor=GridBagConstraints.WEST;
    username=new JLabel("用户名： ");
    gbc.gridx=0;
    gbc.gridy=0;
    gbl.setConstraints(username,gbc);
    c.add(username);

    usertext=new JTextField(15);
    gbc.gridx=1;
    gbc.gridy=0;
    gbl.setConstraints(usertext,gbc);
    c.add(usertext);

    password=new JLabel("密码： ");
    gbc.gridx=0;
    gbc.gridy=1;
    gbl.setConstraints(password,gbc);
    c.add(password);

    passwordtext=new JPasswordField(15);
    passwordtext.setEchoChar('*');
    gbc.gridx=1;
    gbc.gridy=1;
    gbl.setConstraints(passwordtext,gbc);
    c.add(passwordtext);

    repassword=new JLabel("确认密码： ");
    gbc.gridx=0;
    gbc.gridy=2;
    gbl.setConstraints(repassword,gbc);
    c.add(repassword);

    repasswordtext=new JPasswordField(15);
    passwordtext.setEchoChar('*');
    gbc.gridx=1;
    gbc.gridy=2;
    gbl.setConstraints(repasswordtext,gbc);
    c.add(repasswordtext);

    name=new JLabel("性别 :");
    gbc.gridx=0;
    gbc.gridy=3;
    gbl.setConstraints(name,gbc);
    c.add(name);

    Panel p=new Panel();
    p.setLayout(new FlowLayout());
    final ButtonGroup bg=new ButtonGroup();
    man=new JRadioButton("男",true);
    woman=new JRadioButton("女");
    p.add(man);
    p.add(woman);
    c.add(p);
    bg.add(man);
    bg.add(woman);
    gbc.gridx=1;
    gbc.gridy=3;
    gbl.setConstraints(p,gbc);

    age=new JLabel("年龄：");
    gbc.gridx=0;
    gbc.gridy=4;
    gbl.setConstraints(age,gbc);
    c.add(age);

    agetext=new JTextField(15);
    gbc.gridx=1;
    gbc.gridy=4;
    gbl.setConstraints(agetext,gbc);
    c.add(agetext);

   lname=new JLabel(" ");
    gbc.gridx=1;
    gbc.gridy=5;
    gbl.setConstraints(lname,gbc);
    c.add(lname);

    submit=new JButton("注册");
    gbc.gridx=1;
    gbc.gridy=6;
    gbl.setConstraints(submit,gbc);
    c.add(submit);

    final ImageIcon p1=new ImageIcon("SmsMsgSomeFail.gif");
    final ImageIcon p2=new ImageIcon("SmsMsgFail.gif");

    class MyListener implements ActionListener
    {
      public void actionPerformed(ActionEvent e)
      {
      try
      {
        if(e.getSource()==submit)
        {

          Connection con;
          PreparedStatement ptm;
          Statement sm;
          ResultSet rs;
          Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
          String url="jdbc:odbc:mydb";
          con=DriverManager.getConnection(url,"sa","");


          String name,age,pas,repas,temp;
          name=usertext.getText();
          pas=new String(passwordtext.getPassword());
          repas=new String(repasswordtext.getPassword());
          age=agetext.getText();



          boolean flag=true;
          ptm=con.prepareStatement("select name from users1");
          rs=ptm.executeQuery("select name from users1");
          String str;
          while(rs.next()){
            str=rs.getString("name");
            if(name.equals(str)){
              flag=false;
              break;
            }


          }

          if(flag){
           if(pas.equals(repas)){
            ptm=con.prepareStatement("insert into users1 values(?,?,?,?)");
            ptm.setString(1,name);
            ptm.setString(2,pas);
            ptm.setString(3,age);
            ptm.setString(4,sex);
            ptm.executeUpdate();
            JOptionPane.showMessageDialog(null,"注册成功！欢迎您的加入！","信息提示",JOptionPane.PLAIN_MESSAGE,p1);
            ptm.close();
            con.close();
           }else{
             JOptionPane.showMessageDialog(null, "两次输入密码不相同 !", "错误提示",JOptionPane.PLAIN_MESSAGE,p2);
           }
          }else{
            JOptionPane.showMessageDialog(null, "用户名已经被注册 !", "错误提示",JOptionPane.PLAIN_MESSAGE,p2);
          }





        }
        else
        {
          sex=((JRadioButton)(e.getSource())).getText();
        }

      }
      catch(Exception ae){}
      }


    }



    MyListener mylistener=new MyListener();
    submit.addActionListener(mylistener);
    man.addActionListener(mylistener);
    woman.addActionListener(mylistener);
  }
  public static void main(String[] args) {
    // TODO 自动生成方法存根
    FramSet enrolfram=new FramSet();
    enrolfram.setTitle("新用户注册");
    enrolfram.setResizable(false);
    enrolfram.setSize(300,300);
    enrolfram.setVisible(true);

  }

}

全部代码在这里了，大家看看有什么问题。我试过用＝＝号判断字符串是否相同是可以的，equals（）是判断两个对象是否相同的吧，我觉得放这里用不是太合适啊。

2.Re:又有新问题了 [Re: jialichao]	Copy to clipboard
Posted by: lisliefor Posted on: 2006-05-28 19:19 代码不完整，看不出哪里出问题。那个if(name==str)的地方，用equals()方法比较吧！（最近很多帖子都是这个问题）

3.Re:又有新问题了(判断密码达不到效果) [Re: jialichao]	Copy to clipboard
Posted by: why Posted on: 2006-05-28 21:40 Please try to learn to debug your code using println or debugging features provided by the IDE.

Topic: 又有新问题了(判断密码 达不到效果)代码补全了

Topic: 又有新问题了(判断密码达不到效果)代码补全了