这里面包含了一百多个JAVA源文件

				This example uses the JNDI/LDAP service provider to connect to an LDAP server on the local machine and initializes its connection request controls. 
				    try {
				        // Create connection controls to use
				        Control[] connectCtls = new Control[]{new SomeControl()};
				    
				        LdapContext ctx = new InitialLdapContext(env, connectCtls);
				    } catch (NamingException e) {
				    }