本文实例讲述了C#实现的WINDOWS登录功能。分享给大家供大家参考，具体如下：
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
using System;using System.Data;using System.Configuration;using System.Collections;using System.Web;using System.Web.Security;using System.Web.UI;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebParts;using System.Web.UI.HtmlControls;using System.Runtime.InteropServices;using System.Security.Principal;namespace yutest{ public partial class _Default : System.Web.UI.Page { [DllImport("advapi32.dll", CharSet = CharSet.Auto)] public static extern bool LogonUser(string lpszUsername,string lpszDomain,string lpszPassword,int dwLogonType,int dwLogonProvider,out int phToken); protected void Page_Load(object sender, EventArgs e) { string aaa = System.Threading.Thread.CurrentPrincipal.Identity.Name; //string bbb = System.Threading.Thread.CurrentPrincipal.Identity.n; //System.Environment.UserDomainName //System.Environment.UserName } protected void Button1_Click(object sender, System.EventArgs e) { //验证用户的输入是否为空 if (tDomain.Text.Trim().Length > 0 && tUserName.Text.Trim().Length > 0&& tPassword.Text.Trim().Length > 0) { //调用函数Login(string UserName, string Password, string Domain) //实现Windows登录 if (Login(tUserName.Text.Trim(), tPassword.Text.Trim(),tDomain.Text.Trim()) == true) { //显示登录成功信息 LoginMsg.Text = "登录成功！！！"; LoginMsg.Visible = true; return; } else { //显示登录失败信息 LoginMsg.Text = "登录失败，请重新输入用户名称、密码及其系统域名！！！"; LoginMsg.Visible = true; } } } private bool Login(string UserName, string Password, string Domain) { //获取用户名称和系统域名 string text1 = Domain.Trim(); string text2 = UserName.Trim(); text2 = text2.Replace("/", @"\"); //处理符号“/” int num1 = text2.IndexOf('\\'); //获取符号“\”的索引 if (num1 != -1) { //格式化用户名称和系统域名 text1 = text2.Substring(0, num1); text2 = text2.Substring(num1 + 1); } else { //格式化用户名称和系统域名 num1 = text2.IndexOf('@'); if (num1 != -1) { text1 = text2.Substring(num1 + 1); text2 = text2.Substring(0, num1); } } //调用函数AuthenticateUser()实现用户Windows登录 return AuthenticateUser(text2, Password.Trim(), text1); } private bool AuthenticateUser(string UserName, string Password,string Domain) { //设置用户登录成功的标志 bool flag1 = false; try { int num1; IntPtr ptr1; //调用Windows登录的API if (!LogonUser(UserName, Domain, Password, 2, 0, out num1)) { //返回登录结果 return flag1; } //调用.NET中的Windows登录 ptr1 = new IntPtr(num1); WindowsIdentity identity1 = new WindowsIdentity(ptr1); WindowsPrincipal principal1 = new WindowsPrincipal(identity1); HttpContext.Current.User = principal1; //设置系统Cookie和重定向页面 FormsAuthentication.SetAuthCookie(principal1.Identity.Name, false); FormsAuthentication.RedirectFromLoginPage(UserName, false); flag1 = true; } catch (Exception) { } return flag1; } }} |
希望本文所述对大家C#程序设计有所帮助。
