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import javax.naming.directory.BasicAttribute;
import javax.naming.directory.SearchControls;
import javax.naming.directory.SearchResult;
import javax.naming.ldap.InitialLdapContext;
import javax.naming.NamingEnumeration;

public class LDAPUserFilterExample {
    public static void main(String[] args) {
        try {
            // 璁剧疆LDAP鏈嶅姟鍣ㄨ繛鎺ヤ俊鎭?/span>
            String ldapUrl = "ldap://localhost:389";
            String baseDN = "dc=example,dc=com";
            String searchFilter = "(&(objectClass=user)(sAMAccountName=*))";

            // 璁剧疆LDAP璁よ瘉淇℃伅
            String username = "admin";
            String password = "password";

            // 杩炴帴LDAP鏈嶅姟鍣?/span>
            Hashtable<String, String> env = new Hashtable<String, String>();
            env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
            env.put(Context.PROVIDER_URL, ldapUrl);
            env.put(Context.SECURITY_AUTHENTICATION, "simple");
            env.put(Context.SECURITY_PRINCIPAL, "cn=" + username + "," + baseDN);
            env.put(Context.SECURITY_CREDENTIALS, password);

            InitialLdapContext context = new InitialLdapContext(env, null);

            // 璁剧疆LDAP鎼滅储鎺у埗鍣?/span>
            SearchControls searchControls = new SearchControls();
            searchControls.setSearchScope(SearchControls.SUBTREE_SCOPE);

            // 鎵цLDAP鎼滅储
            NamingEnumeration<SearchResult> results = context.search(baseDN, searchFilter, searchControls);

            // 杈撳嚭鎼滅储缁撴灉
            while (results.hasMore()) {
                SearchResult result = results.next();
                System.out.println("DN: " + result.getName());
                System.out.println("Attributes: " + result.getAttributes());
            }

            // 鍏抽棴LDAP杩炴帴
            context.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

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