import java.io.ByteArrayInputStream;
import Web.RandomNumUtil;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;

public class RandomAction extends ActionSupport{   
    /**
     * 
     */
    private static final long serialVersionUID = 1L;
    private ByteArrayInputStream inputStream;   
    public String execute() throws Exception{   
        RandomNumUtil rdnu=RandomNumUtil.Instance();   
        this.setInputStream(rdnu.getImage());
        ActionContext.getContext().getSession().put("random", rdnu.getString());
        System.out.println("生成验证码："+rdnu.getString());
        System.out.println("获得验证码："+ActionContext.getContext().getSession().get("random"));
        return SUCCESS;   
    }   
    public void setInputStream(ByteArrayInputStream inputStream) {   
        this.inputStream = inputStream;   
    }   
    public ByteArrayInputStream getInputStream() {   
        return inputStream;   
    }
}

import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.util.Random;

import javax.imageio.ImageIO;
import javax.imageio.stream.ImageOutputStream;

public class RandomNumUtil {   
    privateprovider="java:MSG">

import com.ccniit.service.UserManager; 
 import com.opensymphony.xwork2.ActionContext; 
 import com.opensymphony.xwork2.ActionSupport; 
  
 public class LoginAction extends ActionSupport  { 
  
 	/** 
 	 *  
 	 */ 
 	private static final long serialVersionUID = 1L; 
 	/** 
 	 *  
 	 */ 
 	private String username; 
 	private String password1; 
 	private String vercode; 
  
 	public String getVercode() { 
 		return vercode; 
 	} 
  
 	 
  
 	public void setVercode(String vercode) { 
 		this.vercode = vercode; 
 	} 
  
 	private String msg; 
  
 	public String getMsg() { 
 		return msg; 
 	} 
  
 	public void setMsg(String msg) { 
 		this.msg = msg; 
 	} 
  
 	protected UserManager mgr; 
  
  
 	public void setMgr(UserManager mgr) { 
 		this.mgr = mgr; 
 	} 
  
  
 	public String getUsername() { 
 		return username; 
 	} 
  
 	public void setUsername(String username) { 
 		this.username = username; 
 	} 
  
 	public String getPassword1() { 
 		return password1; 
 	} 
  
 	public void setPassword1(String password1) { 
 		this.password1 = password1; 
 	} 
 	public String showReg() throws Exception { 
 		return SUCCESS; 
 	} 
 	public String login() throws Exception { 
 		String ver2=(String) ActionContext.getContext().getSession().get("random"); 
 		System.out.println("random:" + ver2); 
 		System.out.println("用户输入：" + getVercode()); 
 		if (getVercode().equals(getVercode())) { 
 			if (mgr.login(getUsername(), getPassword1()) > 0)