在/module/user/ext/model里新建identify.php，代码如下：
public function identify($account， $password)
{
if(!$account or !$password) return false;
/**
*ldap验证程序块，其中目录树的uid可以取同一个值，只要返回的数组(count>=1)其中有一项密码值通过验证，则表示通过ldap验证;
*系统则不在重复验证密码，但还要验证用户名，因为要检查数据的完整性.
*----------------------------------------Start---------------------------------------------*/
$ldaphost="192.168.0.2";
$ldapport=389;
$ldapUid="cn=admin，dc=21com，dc=com";
$ldapPwd="318296";
$base_dn="dc=21com，dc=com";
$filter="uid=".$account;
$attributes=array("userPassword");
$ds=ldap_connect($ldaphost，$ldapport) or die(js::error($this->lang->user->loginFailed));
if($ds){
ldap_set_option ( $ds， LDAP_OPT_PROTOCOL_VERSION， 3 );
ldap_set_option ( $ds， LDAP_OPT_REFERRALS， 0 ); // Binding to ldap server
$bd = ldap_bind($ds， $ldapUid， $ldapPwd)  or die(js::error($this->lang->user->loginFailed));
$sr=ldap_search($ds， $base_dn， $filter，$attributes);
$count=ldap_count_entries($ds， $sr);
if($count>0){
$info=ldap_get_entries($ds， $sr);
$ispass=FALSE;
for($i=0;$i<$info['count'];$i++){
$arrpwd=$info[$i]['userpassword'];
if(in_array($password， $arrpwd)||in_array(md5($password)， $arrpwd)){
$ispass=TRUE;
break;
}
}
if($ispass){//通过则进入系统用户名验证
$this->dao->update(TABLE_USER)->set('password')->eq(md5($password))->where('account')->eq($account)->exec();
}else{
die(js::error($this->lang->user->loginFailed));die(1);
}
}else{
die(js::error($this->lang->user->loginFailed));die(2);
}
ldap_unbind($ds);
}
ldap_close($ds);
/*-------------------------------------End------------------------------------------------*/
/* Get the user first. If $password length is 32， don't add the password condition.  */
$user = $this->dao->select('*')->from(TABLE_USER)
->where('account')->eq($account)
//->beginIF(strlen($password) < 32)->andWhere('password')->eq(md5($password))->fi()//不验证密码
//->andWhere('deleted')->eq(0)//不验证用户是否禁用
->fetch();
/* If the length of $password is 32 or 40， checking by the auth hash. */
if($user and strlen($password) == 32)
{
$hash = $this->session->rand ? md5($user->password . $this->session->rand) : $user->password;
$user = $password == $hash ? $user : '';
}
elseif($user and strlen($password) == 40)
{
$hash = sha1($user->account . $user->password . $user->last);
$user = $password == $hash ? $user : '';
}
if($user)
{
$ip   = $this->server->remove_addr;
$last = $this->server->request_time;
$this->dao->update(TABLE_USER)->set('visitsvisits = visits + 1')->set('ip')->eq($ip)->set('last')->eq($last)->where('account')->eq($account)->exec();
$user->last = date(DT_DATETIME1， $user->last);
}
return $user;
}
　　有关禅道方法重写的问题请参照禅道插件说明，下面有pdf。