struts2+hibernate 实现B2C电子商务网站的登录注册中验证码的实现

下边只在注册中实现
1、首先是在Action中写出生成验证码所需的方法（下边是在MemberAction.java中写）
[java] view plaincopyprint?
01.package csdn.dbshop.action; 
02. 
03.import org.apache.struts2.ServletActionContext; 
04. 
05.import csdn.dbshop.domain.Admin; 
06.import csdn.dbshop.domain.Member; 
07.import csdn.dbshop.service.BaseService; 
08.import csdn.dbshop.service.MemberService; 
09.import csdn.dbshop.service.impl.BaseServiceImpl; 
10.import csdn.dbshop.service.impl.MemberServiceImpl; 
11.import csdn.dbshop.util.Pagination; 
12.import csdn.dbshop.util.StringUtil; 
13. 
14.import java.awt.Color; 
15. 
16.import java.awt.Font; 
17. 
18.import java.awt.Graphics; 
19. 
20.import java.awt.image.BufferedImage; 
21. 
22.import java.io.IOException; 
23. 
24.import java.util.Random; 
25. 
26.import javax.imageio.ImageIO; 
27. 
28.import javax.servlet.http.HttpServletRequest; 
29. 
30.import javax.servlet.http.HttpServletResponse; 
31. 
32.import javax.servlet.http.HttpSession; 
33. 
34.public class MemberAction extends BaseAction{ 
35.    private BaseService baseService = new BaseServiceImpl(); 
36.    private MemberService memberService = new MemberServiceImpl(); 
37.    private String cuemail; 
38.    private boolean cueflag; 
39.    private Member member; 
40.    private String acodet; 
41.    private boolean cacodet; 
42.    private String sRand = ""; 
43.    private String acode; 
44. 
45.    public void setAcode(String acode) { 
46.        this.acode = acode; 
47.    } 
48. 
49.    public boolean isCacodet() { 
50.        return cacodet; 
51.    } 
52. 
53.    public void setAcodet(String acodet) { 
54.        this.acodet = acodet; 
55.    } 
56. 
57.    public void setMember(Member member) { 
58.        this.member = member; 
59.    } 
60. 
61.    public Member getMember() { 
62.        return member; 
63.    } 
64. 
65.    public boolean isCueflag() { 
66.    &

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