C# Webform中读取Windows AD/LDAP域用户清单

直接上干货，核心代码如下，读取出来相应的用户清单到DataTable中。需要其它字段可以自己增加，别忘了引用using System.DirectoryServices。

1 #region private DataTable GetData(int pageIndex, int pageSize, out int recordCount) 获取数据
2
3     /// <summary>
4     /// 获取数据
5     /// </summary>
6     private DataTable GetData(int pageIndex, int pageSize, out int recordCount)
7     {
8         string ldapPath = this.txtLDAPPath.Text.Trim();
9         string ldapDomain = this.txtLDAPDomain.Text.Trim();
10         string ldapUserName = this.txtLDAPUserName.Text.Trim();
11         string ldapPassword = this.txtLDAPPassword.Text.Trim();
12         string searchValue = this.txtSearch.Text.Trim();
13
14         //总记录数量
15         int iRecordCount = 0;
16         //BaseUserManager manager = new BaseUserManager(this.UserCenterDbHelper, this.UserInfo);
17         //自定义LDAP用户表
18         DataTable dtLdapUser = null;
19         dtLdapUser = new DataTable();
20         DataColumn[] columns =
21         {
22             new DataColumn(BaseUserEntity.FieldId),
23             new DataColumn(BaseUserEntity.FieldUserName),
24             new DataColumn(BaseUserEntity.FieldRealName),
25             new DataColumn(BaseUserEntity.FieldUserFrom)
26         };
27         dtLdapUser.Columns.AddRange(columns);
28         try
29         {
30             // 读取用户
31             using (var de = new DirectoryEntry())
32             {
33                 de.Path = ldapPath;
34                 if (!string.IsNullOrEmpty(ldapUserName))
35                 {
36                     if (string.IsNullOrEmpty(ldapDomain))
37                     {
38                         de.Username = ldapUserName;
39                     }
40                     else
41                     {
42                         de.Username = ldapDomain + "\\" + ldapUserName;
43                     }
44                 }
45                 //密码为空就默认不验证用户密码
46                 if (!string.IsNullOrEmpty(ldapPassword))
47                 {
48                     de.Password = ldapPassword;
49                     de.AuthenticationType = AuthenticationTypes.Secure;
50                 }
51                 //刷新缓存
52                 de.RefreshCache();
53
54                 using (DirectorySearcher searcher = new DirectorySearcher())
55                 {
56                     searcher.SearchRoot = de;
57                     searcher.Filter = "(objectClass=user)";
58                     searcher.SearchScope = SearchScope.Subtree;
59
60                     //需要导入的属性
61                     //登录名
62                     searcher.PropertiesToLoad.Add("userprincipalname");
63                     //姓名
64                     searcher.PropertiesToLoad.Add("name");
65
66                     //定义排序方式
67                     searcher.Sort = new SortOption("givenName", System.DirectoryServices.SortDirection.Ascending);
68
69                     SearchResultCollection results = searcher.FindAll();
70                     int i = 0;
71                     foreach (SearchResult result in results)
72                     {
73                         DataRow row = dtLdapUser.NewRow();
74
75                         ResultPropertyCollection props = result.Properties;
76                         string[] userNameArray = null;
77                         if (props.PropertyNames != null)
78                         {
79                             foreach (string propName in props.PropertyNames)
80                             {
81                                 if (propName == "userprincipalname")
82                                 {
83                                     userNameArray = props[propName][0].ToString().Split('@');
84                                     //只保留@前的用户名
85                                     row[BaseUserEntity.FieldUserName] = userNameArray[0].ToString();
86                                 }
87                                 if (propName == "name")
88                                 {
89                                     row[BaseUserEntity.FieldRealName] = props[propName][0];
90                                 }
91                             }
92                         }
93                         row[BaseUserEntity.FieldUserFrom] = "AD";
94                         if (userNameArray != null && !string.IsNullOrEmpty(userNameArray[0].ToString()))
95                         {
96                             i++;
97                             row[BaseUserEntity.FieldId] = i;
98                             dtLdapUser.Rows.Add(row);
99                         }
100                     }
101                 }
102             }
103
104             recordCount = dtLdapUser.Rows.Count;
105
106         }
107         catch (Exception e)
108         {
109             recordCount = 0;
110         }
111         return dtLdapUser;
112     }
113     #endregion

我还增加了LDAP(Windows AD域)用户一键导入的功能，截图如下，代码核心就是循环读取上述获取的DataTable，记得判断一下用户是否已经存在即可。