May I implement Auth by myself?
Actually,I do not know how to write a controller for the homepage.
I used three components in the UsersController.php:
public $components = array('Session','Security', 'Cookie');
在 2012年9月9日星期日UTC-5下午8时25分37秒，Greg写道：
>
> Why are you doing it that way and not just using the Auth component?
> Auth component basically magics up all of that stuff for you....
>
>
> http://book.cakephp.org/2.0/en/core-libraries/components/authentication.html
>
> point that at a table with a username and password field and you're set
> (more or less).
>
> I'd suggest perhaps that the security component isn't being turned on by
> the controller generating the home page - where it looks like it is on the
> users controller... users controller is expecting the security bits which
> are not available at the time the form is being generated.
>
>
>
> On Mon, Sep 10, 2012 at 11:11 AM, shyandsy <shya...@gmail.com<javascript:>
> > wrote:
>
>> Pretty sure!
>>
>> home.ctp
>> ....................
>> <?php
>> echo $this->element('LoginForm');
>> ?>
>> .....................
>>
>> element/LoginForm.ctp
>> <?php
>> echo $this->Form->create('User', array('url' => array('controller' =>
>> 'users', 'action' => 'login')));
>> echo $this->Form->input('username');
>> echo $this->Form->input('password');
>> echo $this->Form->end('登录系统');
>> ?>
>>
>>
>> UsersController.php
>>
>> public function login()
>> {
>> if($this->request->is('post'))
>> {
>> $result = $this->User->findByUsernameAndPassword(
>> $this->data['User']['username'],
>> $this->data['User']['password']);
>> if($result)
>> {
>> $credential = Security::generateAuthKey();
>> //将凭据更新到数据库
>> $this->request->data['User']['credential'] = $credential;
>> $this->User->id = $result['User']['id'];
>> $this->User->save($this->request->data);
>> $this->Session->setFlash('登录认证成功');
>> //设置cookie
>> $this->Cookie->write('Users.username', $this->data['User']['username']);
>> $this->Cookie->write('Users.credential', $credential);
>> $this->redirect(array('action'=>'index'));
>> }
>> else
>> {
>> $this->Session->setFlash('登录认证失败');
>> }
>> }
>> }
>>
>> 在 2012年9月9日星期日UTC-5下午6时40分34秒，Greg写道：
>>>
>>> can you post the code?
>>>
>>>
>>> On Mon, Sep 10, 2012 at 1:45 AM, shyandsy <shya...@gmail.com> wrote:
>>>
>>>> It doesn't work.
>>>> The submit can not find the controller.
>>>>
>>>> I compared the different between 127.0.0.1/user/login and 127.0.0.1 .
>>>>
>>>> This is the login form in the login page:
>>>> <form action="/users/login" id="UserLoginForm" method="post"
>>>> accept-charset="utf-8">
>>>> <div style="display:none;">
>>>> <input type="hidden" name="_method" value="POST"/>
>>>> <input type="hidden" name="data[_Token][key]" value="
>>>> f9da31eb2cd89c4e9c10af7**156a36f6bc9ae7fdd" id="Token1312017746"/>
>>>> </div>
>>>> <div class="input text required">
>>>> <label for="UserUsername">Username</**label>
>>>> <input name="data[User][username]" maxlength="40" type="text" id="
>>>> UserUsername"/>
>>>> </div>
>>>> <div class="input password required">
>>>> <label for="UserPassword">Password</**label>
>>>> <input name="data[User][password]" type="password" id="UserPassword"/>
>>>> </div>
>>>> <div class="submit">
>>>> <input type="submit" value="登录系统"/>
>>>> </div>
>>>> <div style="display:none;">
>>>> <input type="hidden" name="data[_Token][fields]" value="
>>>> e44df0d754a25ad586a8cb2**0d5d0ead3d4e78843%3A" id="TokenFields287192969
>>>> "/>
>>>> <input type="hidden" name="data[_Token][unlocked]" value="" id="
>>>> TokenUnlocked1990315235"/>
>>>> </div>
>>>> </form>
>>>>
>>>> This is the login form element in the homepage
>>>> <form action="/users/login" id="displayForm" method="post"
>>>> accept-charset="utf-8">
>>>> <div style="display:none;">
>>>> <input type="hidden" name="_method" value="POST"/>
>>>> </div>
>>>> <div class="input text">
>>>> <label for="username">Username</**label>
>>>> <input name="data[username]" type="text" id="username"/>
>>>> </div>
>>>> <div class="input password">
>>>> <label for="password">Password</**label>
>>>> <input name="data[password]" type="password" id="password"/>
>>>> </div>
>>>> <div class="submit">
>>>> <input type="submit" value="login"/>
>>>> </div>
>>>> </form>
>>>>
>>>> Obviously, The login form in user/login page has been assign some staff
>>>> like token, but element is not.
>>>>
>>>> 在 2012年9月6日星期四UTC-5下午7时10分03秒，**Greg写道：
>>>>>
>>>>> Thats fine.
>>>>>
>>>>> The solution for using elements is fairly straight forward. Build your
>>>>> Controller and your model *as normal* - so your Users controller has a
>>>>> login method.
>>>>>
>>>>> Next, create a new element under View/Elements called "LoginForm.ctp".
>>>>>
>>>>> The login form would look something like this:
>>>>>
>>>>> <php
>>>>>
>>>>> echo $this->Form->create(null, array('url' => array('controller' =>
>>>>> 'Users', 'action' => 'login')));
>>>>> // ... rest of the form
>>>>> echo $this->Form->end('login');
>>>>> ?>
>>>>>
>>>>> back over in your home.ctp file you put this where you want the login
>>>>> form to be visible:
>>>>>
>>>>> <?php
>>>>> echo $this->element('LoginForm');
>>>>> ?>
>>>>>
>>>>> and you're done - the home page will now have the content from
>>>>> LoginForm.ctp which will correctly submit the form data to the login
>>>>> action
>>>>> on the Users controller.
>>>>>
>>>>> You can of course then reuse the LoginForm element anywhere you like -
>>>>> say the user navigates directly to /Users/login you could dump the login
>>>>> form element on that page. Or say you wanted it in the header for every
>>>>> page, modify the layout to include the element.
>>>>>
>>>>> You don't *have* to associate every action with a specific view for
>>>>> that controller/action combination - it is often quite beneficial to drop
>>>>> reusable forms into elements so that you can reuse them over and over
>>>>> again. It helps with maintenance as well because if you modify the form
>>>>> element, you are modifying it in all places in your site at once instead
>>>>> of
>>>>> having to go and modify every template/view that contains it.
>>>>>
>>>>>
>>>>> On Fri, Sep 7, 2012 at 8:08 AM, shyandsy <shya...@gmail.com> wrote:
>>>>>
>>>>>> Got it, I already know the difference between reply on here and reply
>>>>>> to your mailbox.
>>>>>>
>>>>>>
>>>>>> 在 2012年9月5日星期三UTC-5上午2时45分34秒，**Gr**eg写道：
>>>>>>
>>>>>>> You don't use a view. Make an element to start with under
>>>>>>> views/elements.
>>>>>>> Call it loginForm.ctp or something.
>>>>>>>
>>>>>>> Then define an action in the form helper create call to point it at
>>>>>>> the right controller/action
>>>>>>>
>>>>>>> On Wednesday, September 5, 2012, shyandsy wrote:
>>>>>>>
>>>>>>>> Hi, thanks for your anwser firstly.
>>>>>>>>
>>>>>>>> I have tried the method of element.
>>>>>>>> I can load the login view that were written in the
>>>>>>>> view/users/login.ctp,
>>>>>>>> but I do not know how to process the POST request by
>>>>>>>> UsersController.login()?
>>>>>>>>
>>>>>>>> I can not find the detail description on the cookbook 2.0.
>>>>>>>>
>>>>>>>>
>>>>>>>> 在 2012年9月4日星期二UTC-5下午7时09分33秒，**Gr****eg写道：
>>>>>>>>>
>>>>>>>>> I'd do it with an element personally. Have the home page retrieve
>>>>>>>>> the data from the models in question then pass the resulting data to
>>>>>>>>> individual elements...
>>>>>>>>>
>>>>>>>>> requestAction is a major performance hit, especially if you are
>>>>>>>>> not caching the results...and on the home page as described here you
>>>>>>>>> are
>>>>>>>>> looking at subjecting your users to 3 calls to the dispatcher (one
>>>>>>>>> for
>>>>>>>>> pages, one for news, one for users).
>>>>>>>>>
>>>>>>>>> You *can* use requestAction and elements together, then cache the
>>>>>>>>> element to reduce the hit if you wish.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On Wed, Sep 5, 2012 at 5:06 AM, Mark Wratten <ma...@trimar.com>wrote:
>>>>>>>>>
>>>>>>>>>> I am assuming you have a route that routes to a specific
>>>>>>>>>> controller/action, e.g. pages controller, index action.
>>>>>>>>>> Then in you home page view View/Pages/index.ctp -
>>>>>>>>>>
>>>>>>>>>> <p>Welcome to my home page.</p>
>>>>>>>>>>
>>>>>>>>>> <div id="news-summary">
>>>>>>>>>> <h2>News Summary></h2>
>>>>>>>>>> <?php echo $this->requestAction('/news/**su******mmary'); ?>
>>>>>>>>>> </div>
>>>>>>>>>>
>>>>>>>>>> <div id="login-form">
>>>>>>>>>> <?php echo $this->requestAction('users/**lo******gin'); ?>
>>>>>>>>>> </div>
>>>>>>>>>>
>>>>>>>>>> Then, in your News controller, create and action - summary, and a
>>>>>>>>>> view file summary.ctp.
>>>>>>>>>> In your Users controller create action login (which should also
>>>>>>>>>> handle the POST request when the user logs in) and a login.ctp view
>>>>>>>>>> file.
>>>>>>>>>>
>>>>>>>>>> Then when the home page is rendered, the news summary and login
>>>>>>>>>> forms will be displayed.
>>>>>>>>>>
>>>>>>>>>> Mark
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On Monday, September 3, 2012 8:04:34 PM UTC-4, shyandsy wrote:
>>>>>>>>>>>
>>>>>>>>>>> could you put some details on， thanks a lot!
>>>>>>>>>>> Making a home page that includes login and news list.
>>>>>>>>>>>
>>>>>>>>>>> I can write a view and controller for that job login or news
>>>>>>>>>>> list, but I don't know how to make that things togerther!!
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> 在 2012年9月3日星期一UTC-5上午12时22分41秒，**M********ark Wratten写道：
>>>>>>>>>>>>
>>>>>>>>>>>> Easiest is to use requestAction() in the homepage view.
>>>>>>>>>>>>
>>>>>>>>>>>> On Thursday, August 30, 2012 4:26:12 PM UTC-4, shyandsy wrote:
>>>>>>>>>>>>>
>>>>>>>>>>>>> I am kind of new guy on cakePhp. So the description as below:
>>>>>>>>>>>>>
>>>>>>>>>>>>> I hope to provide two function to users in the homepage, login
>>>>>>>>>>>>> and news.
>>>>>>>>>>>>> The login uses the view login and the controller
>>>>>>>>>>>>> loginController, and the news uses the news view and
>>>>>>>>>>>>> newscontroller.
>>>>>>>>>>>>> The problem is how to put the two view in the home page.
>>>>>>>>>>>>>
>>>>>>>>>>>>> (apologize, my first language is not English, if you meet some
>>>>>>>>>>>>> problem about grammar, I will try to fix it)
>>>>>>>>>>>>>
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>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
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