cookie记住密码

cookie记住密码：

C#代码

1. ///<summary>
2. ///记住密码
3. ///</summary>
4. privatevoidRememberPassword()
5. {
6. if(cbRememberPW.Checked)
7. {
8. //记住密码
9. System.Web.HttpCookienewCookie=newHttpCookie("user");
10. newCookie.Values["username"]=tbUserName.Value.Trim();
11. stringstrPW=tbPassword.Value.Trim();//最好加密后的密码放到COOKIE内
12. newCookie.Values["password"]=strPW;
13. newCookie.Expires=DateTime.Now.AddDays(15);
14. Response.AppendCookie(newCookie);
15. }
16. else
17. {
18. System.Web.HttpCookiecookie=Request.Cookies["user"];
19. if(cookie!=null)
20. {
21. cookie.Expires=DateTime.Now.AddDays(-2);
22. Response.Cookies.Set(cookie);
23. }
24. }
25. }

读取cookie中的密码

C#代码

1. //在页面加载时调用此方法
2. ///<summary>
3. ///读取cookie中的密码
4. ///</summary>
5. privatevoidReadPassword()
6. {
7. if(Request.Cookies["user"]!=null)
8. {
9. stringstrPassword=Request.Cookies["user"]["password"].ToString();
11. tbUserName.Value=Request.Cookies["user"]["username"].ToString();
12. cbRememberPW.Checked=true;
14. }
15. }