CakePHP 官方博客示范教程
CakePHP 官方博客示例教程
初识CakePHP,感觉不错;
按照官方的博客示例教程练习了一下,有点自信继续学下去了。下面是示例:
地址:http://book.cakephp.org/2.0/en/tutorials-and-examples/blog/part-two.html
?
?
Blog Tutorial - Adding a layer
Create a Post Model
The Model class is the bread and butter of CakePHP applications. By creating a CakePHP model that will interact with our database, we’ll have the foundation in place needed to do our view, add, edit, and delete operations later.
CakePHP’s model class files go in?/app/Model, and the file we’ll be creating will be saved to?/app/Model/Post.php. The completed file should look like this:
<span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #666666;" class="cp"><?php </span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">class</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #c44f24;" class="nc">Post</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">extends</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #c44f24;" class="nx">AppModel</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">{</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">}</span></span>
Naming convention is very important in CakePHP. By naming our model Post, CakePHP can automatically infer that this model will be used in the PostsController, and will be tied to a database table called?posts.
CakePHP will dynamically create a model object for you if it cannot find a corresponding file in /app/Model. This also means that if you accidentally name your file wrong (i.e. post.php or posts.php), CakePHP will not recognize any of your settings and will use the defaults instead.
For more on models, such as table prefixes, callbacks, and validation, check out the?Models?chapter of the Manual.
Create a Posts Controller
Next, we’ll create a controller for our posts. The controller is where all the business logic for post interaction will happen. In a nutshell, it’s the place where you play with the models and get post-related work done. We’ll place this new controller in a file called?PostsController.php?inside the?/app/Controller?directory. Here’s what the basic controller should look like:
<span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #666666;" class="cp"><?php </span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">class</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #c44f24;" class="nc">PostsController</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">extends</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #c44f24;" class="nx">AppController</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">{</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">public</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$helpers</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">=</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">array</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">(</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'Html'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">,</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'Form'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">);</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">}</span></span>
Now, lets add an action to our controller. Actions often represent a single function or interface in an application. For example, when users request www.example.com/posts/index (which is also the same as www.example.com/posts/), they might expect to see a listing of posts. The code for that action would look something like this:
<span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #666666;" class="cp"><?php </span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">class</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #c44f24;" class="nc">PostsController</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">extends</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #c44f24;" class="nx">AppController</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">{</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">public</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$helpers</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">=</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">array</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">(</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'Html'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">,</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'Form'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">);</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">public</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">function</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #bf4f24;" class="nf">index</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">()</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">{</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$this</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">-></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #080808;" class="na">set</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">(</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'posts'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">,</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$this</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">-></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #080808;" class="na">Post</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">-></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #080808;" class="na">find</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">(</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'all'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">));</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">}</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">}</span></span>
Let me explain the action a bit. By defining function?index()?in our PostsController, users can now access the logic there by requesting www.example.com/posts/index. Similarly, if we were to define a function called?foobar(), users would be able to access that at www.example.com/posts/foobar.
Warning
You may be tempted to name your controllers and actions a certain way to obtain a certain URL. Resist that temptation. Follow CakePHP conventions (plural controller names, etc.) and create readable, understandable action names. You can map URLs to your code using “routes” covered later on.
The single instruction in the action uses?set()?to pass data from the controller to the view (which we’ll create next). The line sets the view variable called ‘posts’ equal to the return value of the?find('all')?method of the Post model. Our Post model is automatically available at?$this->Post?because we’ve followed Cake’s naming conventions.
To learn more about Cake’s controllers, check out the?Controllers?chapter.
Creating Post Views
Now that we have our data flowing to our model, and our application logic and flow defined by our controller, let’s create a view for the index action we created above.
Cake views are just presentation-flavored fragments that fit inside an application’s layout. For most applications they’re HTML mixed with PHP, but they may end up as XML, CSV, or even binary data.
Layouts are presentation code that is wrapped around a view, and can be defined and switched between, but for now, let’s just use the default.
Remember in the last section how we assigned the ‘posts’ variable to the view using the?set()?method? That would hand down data to the view that would look something like this:
<span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x">// print_r($posts) output:</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x">Array</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x">(</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> [0] => Array</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> (</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> [Post] => Array</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> (</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> [id] => 1</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> [title] => The title</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> [body] => This is the post body.</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> [created] => 2008-02-13 18:34:55</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> [modified] =></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> )</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> )</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> [1] => Array</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> (</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> [Post] => Array</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> (</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> [id] => 2</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> [title] => A title once again</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> [body] => And the post body follows.</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> [created] => 2008-02-13 18:34:56</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> [modified] =></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> )</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> )</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> [2] => Array</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> (</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> [Post] => Array</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> (</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> [id] => 3</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> [title] => Title strikes back</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> [body] => This is really exciting! Not.</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> [created] => 2008-02-13 18:34:57</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> [modified] =></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> )</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> )</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x">)</span>
Cake’s view files are stored in?/app/View?inside a folder named after the controller they correspond to (we’ll have to create a folder named ‘Posts’ in this case). To format this post data in a nice table, our view code might look something like this:
<span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"><!-- File: /app/View/Posts/index.ctp --></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"><h1 id="Blog-posts">Blog posts</h1></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"><table> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> <tr> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> </span><th>Id</th> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> </span><th>Title</th> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> </span><th>Created</th> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> </span> </tr></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> <!-- Here is where we loop through our $posts array, printing out post info --></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> </span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #666666;" class="cp"><?php </span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">foreach</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">(</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$posts</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">as</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$post</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">)</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">:</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #666666;" class="cp">?></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> <tr> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> </span><td><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #666666;" class="cp"><?php </span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">echo</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$post</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">[</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'Post'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">][</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'id'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">];</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #666666;" class="cp">?></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"></span></span></td> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> </span><td> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> </span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #666666;" class="cp"><?php </span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">echo</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$this</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">-></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #080808;" class="na">Html</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">-></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #080808;" class="na">link</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">(</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$post</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">[</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'Post'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">][</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'title'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">],</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">array</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">(</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'controller'</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">=></span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'posts'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">,</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'action'</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">=></span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'view'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">,</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$post</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">[</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'Post'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">][</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'id'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">]));</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #666666;" class="cp">?></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> </span></span> </td> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> </span><td><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #666666;" class="cp"><?php </span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">echo</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$post</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">[</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'Post'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">][</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'created'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">];</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #666666;" class="cp">?></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"></span></span></td> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> </span> </tr></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> </span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #666666;" class="cp"><?php </span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">endforeach</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">;</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #666666;" class="cp">?></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"> </span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #666666;" class="cp"><?php </span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #007020;" class="nb">unset</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">(</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$post</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">);</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #666666;" class="cp">?></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"></span></span></span></span> </table></span>
Hopefully this should look somewhat simple.
You might have noticed the use of an object called?$this->Html. This is an instance of the CakePHP?HtmlHelperclass. CakePHP comes with a set of view helpers that make things like linking, form output, JavaScript and Ajax a snap. You can learn more about how to use them in?Helpers, but what’s important to note here is that the?link()method will generate an HTML link with the given title (the first parameter) and URL (the second parameter).
When specifying URLs in Cake, it is recommended that you use the array format. This is explained in more detail in the section on Routes. Using the array format for URLs allows you to take advantage of CakePHP’s reverse routing capabilities. You can also specify URLs relative to the base of the application in the form of /controller/action/param1/param2.
At this point, you should be able to point your browser to?http://www.example.com/posts/index. You should see your view, correctly formatted with the title and table listing of the posts.
If you happened to have clicked on one of the links we created in this view (that link a post’s title to a URL /posts/view/some_id), you were probably informed by CakePHP that the action hasn’t yet been defined. If you were not so informed, either something has gone wrong, or you actually did define it already, in which case you are very sneaky. Otherwise, we’ll create it in the PostsController now:
<span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #666666;" class="cp"><?php </span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">class</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #c44f24;" class="nc">PostsController</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">extends</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #c44f24;" class="nx">AppController</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">{</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">public</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$helpers</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">=</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">array</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">(</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'Html'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">,</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'Form'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">);</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">public</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">function</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #bf4f24;" class="nf">index</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">()</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">{</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$this</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">-></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #080808;" class="na">set</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">(</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'posts'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">,</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$this</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">-></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #080808;" class="na">Post</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">-></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #080808;" class="na">find</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">(</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'all'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">));</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">}</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">public</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">function</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #bf4f24;" class="nf">view</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">(</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$id</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">=</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">null</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">)</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">{</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$this</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">-></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #080808;" class="na">Post</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">-></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #080808;" class="na">id</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">=</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$id</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">;</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$this</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">-></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #080808;" class="na">set</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">(</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'post'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">,</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$this</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">-></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #080808;" class="na">Post</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">-></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #080808;" class="na">read</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">());</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">}</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">}</span></span>
The?set()?call should look familiar. Notice we’re using?read()?rather than?find('all')?because we only really want a single post’s information.
Notice that our view action takes a parameter: the ID of the post we’d like to see. This parameter is handed to the action through the requested URL. If a user requests /posts/view/3, then the value ‘3’ is passed as?$id.
Now let’s create the view for our new ‘view’ action and place it in?/app/View/Posts/view.ctp:
<span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"><!-- File: /app/View/Posts/view.ctp --></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"><h1></h1></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #666666;" class="cp"><?php </span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">echo</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #c44f24;" class="nx">h</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">(</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$post</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">[</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'Post'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">][</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'title'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">]);</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #666666;" class="cp">?></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"><p><small>Created: </small></p></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #666666;" class="cp"><?php </span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">echo</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$post</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">[</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'Post'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">][</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'created'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">];</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #666666;" class="cp">?></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"><p></p></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #666666;" class="cp"><?php </span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">echo</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #c44f24;" class="nx">h</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">(</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$post</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">[</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'Post'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">][</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'body'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">]);</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #666666;" class="cp">?></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="x"></span></span></span></span>
Verify that this is working by trying the links at?/posts/index?or manually requesting a post by accessing/posts/view/1.
Adding Posts
Reading from the database and showing us the posts is a great start, but let’s allow for the adding of new posts.
First, start by creating an?add()?action in the PostsController:
<span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #666666;" class="cp"><?php </span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">class</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #c44f24;" class="nc">PostsController</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">extends</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #c44f24;" class="nx">AppController</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">{</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">public</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$helpers</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">=</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">array</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">(</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'Html'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">,</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'Form'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">,</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'Session'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">);</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">public</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$components</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">=</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">array</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">(</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'Session'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">);</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">public</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">function</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #bf4f24;" class="nf">index</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">()</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">{</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$this</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">-></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #080808;" class="na">set</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">(</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'posts'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">,</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$this</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">-></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #080808;" class="na">Post</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">-></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #080808;" class="na">find</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">(</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'all'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">));</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">}</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">public</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">function</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #bf4f24;" class="nf">view</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">(</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$id</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">)</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">{</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$this</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">-></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #080808;" class="na">Post</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">-></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #080808;" class="na">id</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">=</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$id</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">;</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$this</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">-></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #080808;" class="na">set</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">(</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'post'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">,</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$this</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">-></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #080808;" class="na">Post</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">-></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #080808;" class="na">read</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">());</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">}</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">public</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">function</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #bf4f24;" class="nf">add</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">()</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">{</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">if</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">(</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$this</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">-></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #080808;" class="na">request</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">-></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #080808;" class="na">is</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">(</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'post'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">))</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">{</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$this</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">-></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #080808;" class="na">Post</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">-></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #080808;" class="na">create</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">();</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">if</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">(</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$this</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">-></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #080808;" class="na">Post</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">-></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #080808;" class="na">save</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">(</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$this</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">-></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #080808;" class="na">request</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">-></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #080808;" class="na">data</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">))</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">{</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$this</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">-></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #080808;" class="na">Session</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">-></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #080808;" class="na">setFlash</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">(</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'Your post has been saved.'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">);</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #234aa0;" class="nv">$this</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">-></span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #080808;" class="na">redirect</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">(</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #a71d5d; font-style: italic;" class="k">array</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">(</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'action'</span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #794938;" class="o">=></span> <span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: #0b6125;" class="s1">'index'</span><span style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline;" class="p">));</span> </span>

핫 AI 도구

Undresser.AI Undress
사실적인 누드 사진을 만들기 위한 AI 기반 앱

AI Clothes Remover
사진에서 옷을 제거하는 온라인 AI 도구입니다.

Undress AI Tool
무료로 이미지를 벗다

Clothoff.io
AI 옷 제거제

AI Hentai Generator
AI Hentai를 무료로 생성하십시오.

인기 기사

뜨거운 도구

메모장++7.3.1
사용하기 쉬운 무료 코드 편집기

SublimeText3 중국어 버전
중국어 버전, 사용하기 매우 쉽습니다.

스튜디오 13.0.1 보내기
강력한 PHP 통합 개발 환경

드림위버 CS6
시각적 웹 개발 도구

SublimeText3 Mac 버전
신 수준의 코드 편집 소프트웨어(SublimeText3)

뜨거운 주제











많은 사용자들이 스마트 시계를 선택할 때 Huawei 브랜드를 선택하게 됩니다. 그 중 Huawei GT3pro와 GT4가 가장 인기 있는 선택입니다. 두 제품의 차이점을 궁금해하는 사용자가 많습니다. Huawei GT3pro와 GT4의 차이점은 무엇입니까? 1. 외관 GT4: 46mm와 41mm, 재질은 유리 거울 + 스테인레스 스틸 본체 + 고해상도 섬유 후면 쉘입니다. GT3pro: 46.6mm 및 42.9mm, 재질은 사파이어 유리 + 티타늄 본체/세라믹 본체 + 세라믹 백 쉘입니다. 2. 건강한 GT4: 최신 Huawei Truseen5.5+ 알고리즘을 사용하면 결과가 더 정확해집니다. GT3pro: ECG 심전도, 혈관 및 안전성 추가

기계력 보고서 편집자: 우신(Wu Xin) 국내판 휴머노이드 로봇+대형 모델팀이 옷 접기 등 복잡하고 유연한 재료의 작업 작업을 처음으로 완료했습니다. OpenAI 멀티모달 대형 모델을 접목한 Figure01이 공개되면서 국내 동종업체들의 관련 진전이 주목받고 있다. 바로 어제, 중국의 "1위 휴머노이드 로봇 주식"인 UBTECH는 Baidu Wenxin의 대형 모델과 긴밀하게 통합되어 몇 가지 흥미로운 새로운 기능을 보여주는 휴머노이드 로봇 WalkerS의 첫 번째 데모를 출시했습니다. 이제 Baidu Wenxin의 대형 모델 역량을 활용한 WalkerS의 모습은 이렇습니다. Figure01과 마찬가지로 WalkerS는 움직이지 않고 책상 뒤에 서서 일련의 작업을 완료합니다. 인간의 명령을 따르고 옷을 접을 수 있습니다.

Windows 11에서 캡처 도구가 작동하지 않는 이유 문제의 근본 원인을 이해하면 올바른 솔루션을 찾는 데 도움이 될 수 있습니다. 캡처 도구가 제대로 작동하지 않는 주요 이유는 다음과 같습니다. 초점 도우미가 켜져 있습니다. 이렇게 하면 캡처 도구가 열리지 않습니다. 손상된 응용 프로그램: 캡처 도구가 실행 시 충돌하는 경우 응용 프로그램이 손상되었을 수 있습니다. 오래된 그래픽 드라이버: 호환되지 않는 드라이버가 캡처 도구를 방해할 수 있습니다. 다른 응용 프로그램의 간섭: 실행 중인 다른 응용 프로그램이 캡처 도구와 충돌할 수 있습니다. 인증서가 만료되었습니다. 업그레이드 프로세스 중 오류로 인해 이 문제가 발생할 수 있습니다. 이 문제는 대부분의 사용자에게 적합하며 특별한 기술 지식이 필요하지 않습니다. 1. Windows 및 Microsoft Store 앱 업데이트

PHP 개발자의 경우 POST를 사용하여 매개변수가 있는 페이지로 이동하는 것은 기본적인 기술입니다. POST는 HTTP 요청을 통해 데이터를 서버에 전송하는 방법입니다. 점프 페이지는 서버 측에서 페이지를 처리하고 점프합니다. 실제 개발에서는 특정 기능적 목적을 달성하기 위해 매개변수와 함께 POST를 사용하여 페이지로 이동해야 하는 경우가 많습니다.

PHP는 대화형 동적 웹 애플리케이션을 만드는 데 사용할 수 있는 널리 사용되는 서버측 스크립팅 언어입니다. PHP 애플리케이션을 개발할 때 일반적으로 양식을 통한 처리를 위해 사용자 입력 데이터를 서버에 제출해야 합니다. 그러나 때로는 양식 데이터가 PHP로 제출되었는지 확인해야 할 경우가 있습니다. 이 기사에서는 그러한 결정을 내리는 방법을 소개합니다.

Python은 게시물 요청을 보내는 브라우저를 시뮬레이션합니다. importrequests 형식 request.postrequest.post(url,data,json,kwargs)#post 요청 형식 request.get(url,params,kwargs)#get 요청과 비교하여 게시물 요청 보내기 매개변수는 다음과 같이 나뉩니다. form( x-www-form-urlencoded) json(application/json) 데이터 매개변수는 사전 형식과 문자열 형식을 지원합니다. 사전 형식은 json.dumps() 메서드를 사용하여 데이터를 합법적인 json 형식 문자열로 변환합니다.

1. Java가 post 인터페이스를 호출합니다. 1. java와 함께 제공되는 URLConnection 또는 HttpURLConnection을 사용합니다. 다른 jar 패키지를 다운로드할 필요가 없습니다. 서버에서 인터페이스 응답 코드를 수정하면 반환 메시지를 받을 수 없습니다. 응답 코드가 올바른 경우에만 수신할 수 있습니다. publicstaticStringsendPost(Stringurl,Stringparam){OutputStreamWriterout=null;BufferedReaderin=null;StringBuilderresult=newSt

다운로드: 서버{listen80;listen443ssl;server_namenirvana.test-a.gogen;ssl_certificate/etc/nginx/ssl/nirvana.test-a.gogen.crt;ssl_certificate_key/etc/nginx/ssl/nirvana.test-a.gogen .key;proxy_connect_timeout600;proxy_read_timeout600;proxy_send_timeout600;c
