asp.net连接LDAP数据,并从LDAP中取出相关数据(1)

ASP.NET连接LDAP数据库的有关信息

一、封装在DAL层中的获取用户信息的函数

/// <summary>

/// 按照用户Id查找用户信息

/// </summary>

/// <param name="userId"></param>

/// <returns></returns>

publicDirectoryEntry GetUser(string username)

{

string path = System.Configuration.ConfigurationManager.ConnectionStrings["path"].ConnectionString;

string pname = System.Configuration.ConfigurationManager.ConnectionStrings["pname"].ConnectionString;

string pwd = System.Configuration.ConfigurationManager.ConnectionStrings["pwd"].ConnectionString;

// 3个连接数据库的信息写在配置文件里

DirectoryEntry  deuser;  //定义变量

try

{

DirectoryEntry de = newDirectoryEntry (path, pname, pwd, AuthenticationTypes.Secure);

DirectorySearcher deSearch = newDirectorySearcher(de); //连接LDAP数据库

deSearch.Filter = "(&(objectClass=userinfo)(LOGINNAME=" + username + "))";  //筛选比对

//上面这句话修改为:mySearcher.Filter = "(&(objectClass=userinfo)(&(LOGINNAME=" + txtUserId.Text + ")(LOGINPASSWORD=" + txtUserPwd.Text + ")))";//作为登录是用户帐号和密码认证

deSearch.SearchScope = SearchScope.Subtree;

SearchResult result = deSearch.FindOne(); //筛选比对得出一个结果,存储在result中

if (result != null)

{

deuser = result.GetDirectoryEntry(); //得到筛选结果,并赋值给deuser中

return deuser;

}

else

{

returnnull;

}

}

catch(Exception ex)

{

// LogManage.SaveInfo(ex.ToString());

returnnull;

}

二、配置文件信息

<connectionStrings>

<add name="path"

connectionString="LDAP://192.168.1.1/OU=123,DC=123,DC=COM" />

<add name="pname"

connectionString="123" />

<add name="pwd"

connectionString="123" />

</connectionStrings>

三、实现层

1、页面信息

用户id:(textbox框)

用户名称:(textbox框)
用户密码:(textbox框)
电子邮箱:(textbox框)
ButtonID="butquchu"(读取数据按钮)

2、事件函数代码

protectedvoid butquchu_Click(object sender, EventArgs e)

{

ldapDAO ld= newldapDAO ();

string username = Session["LOGINNAME"].ToString(); //根据上一页的登录信息获取用户帐号,存储在session中。

labname.Text = username;

DirectoryEntry de = ld.GetUser(username); //调用ldapDAO中的获取用户信息函数

if (de != null)

{

if (de != null)

{

if (de.Properties["USERID"].Value != null)

{

txtuserid.Text = de.Properties["USERID"].Value.ToString();

}

if (de.Properties["LOGINNAME"].Value != null)

{

txtusername.Text = de.Properties["LOGINNAME"].Value.ToString();

}

if (de.Properties["LOGINPASSWORD"].Value != null)

{

txtpwd.Text = de.Properties["LOGINPASSWORD"].Value.ToString();

}

if (de.Properties["EMAIL"].Value != null)

{

txtmail.Text = de.Properties["EMAIL"].Value.ToString();

}

}

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