cci*_*ikk 8 c# directoryservices active-directory
我用这个代码:
DirectoryEntry objEntry;
DirectorySearcher objSearchEntry;
SearchResultCollection objSearchResult;
string strFilter = "(&(objectCategory=User))";
objEntry = new DirectoryEntry(conOUPath, conUser, conPwd, AuthenticationTypes.Secure);
objEntry.RefreshCache();
objSearchEntry = new DirectorySearcher(objEntry);
objSearchEntry.Filter=strFilter;
objSearchEntry.SearchScope=SearchScope.Subtree;
objSearchEntry.CacheResults=false;
objSearchResult=objSearchEntry.FindAll();
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每次只返回1000个用户,但该OU中有3000个用户.
我怎样才能找到所有这些?
如果您使用的是.NET 3.5或更高版本,则应该查看PrincipalSearcher以及"按示例查询"主体进行搜索:
// create your domain context
PrincipalContext ctx = new PrincipalContext(ContextType.Domain, "YOURDOMAIN", "OU=SomeOU,DC=YourCompany,DC=com");
// define a "query-by-example" principal - here, we search for a UserPrincipal
// and with the first name (GivenName) of "Bruce"
UserPrincipal qbeUser = new UserPrincipal(ctx);
qbeUser.GivenName = "Bruce";
// create your principal searcher passing in the QBE principal
PrincipalSearcher srch = new PrincipalSearcher(qbeUser);
// set the PageSize on the underlying DirectorySearcher to get all 3000 entries
((DirectorySearcher)srch.GetUnderlyingSearcher()).PageSize = 500;
// find all matches
foreach(var found in srch.FindAll())
{
// do whatever here - "found" is of type "Principal" - it could be user, group, computer.....
}
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如果您还没有 - 绝对阅读MSDN文章.NET Framework 3.5中的管理目录安全主体,它很好地展示了如何充分利用新功能System.DirectoryServices.AccountManagement
更新:
当然,根据您的需要,您可能希望在您创建的"按示例查询"用户主体上指定其他属性:
Surname (或姓氏)DisplayName (通常:名字+空格+姓氏)SAM Account Name - 您的Windows/AD帐户名称User Principal Name - 您的"username@yourcompany.com"样式名称您可以在其上指定任何属性,UserPrincipal并将其用作"按示例查询" PrincipalSearcher.
更新#2:如果要在给定的OU内搜索,可以在构造函数中定义该OU PrincipalContext.
您需要设置DirectorySearcher.PageSize属性才能返回所有结果.例如:
objSearchEntry.PageSize = 500;
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否则返回的项目数将受服务器端限制的限制,默认为1000.还有一些名为SizeLimit的东西,如果要显式限制返回的项目数,可以设置.如果SizeLimit和PageSize都为0(默认值),那么它将使用服务器端默认的SizeLimit.在我看来有点违反直觉.
如果要返回所有结果,唯一的方法是将PageSize设置为非零值,将SizeLimit设置为0.
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