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| author | Andrey Andreev <narf@devilix.net> | 2017-06-19 10:33:58 +0200 |
|---|---|---|
| committer | Andrey Andreev <narf@devilix.net> | 2017-06-19 10:33:58 +0200 |
| commit | 6c7a4266410070d30f8f6bcdf9c9e67f3d6478e3 (patch) | |
| tree | f0aab8f6f5e781d5947b1a5553b6648eb7b7a4ab /user_guide/tutorial/static_pages.html | |
| parent | 2459285b91d6fc4f5099f9f597529cce1059cb33 (diff) | |
[ci skip] 3.1.5 release
Diffstat (limited to 'user_guide/tutorial/static_pages.html')
| -rw-r--r-- | user_guide/tutorial/static_pages.html | 634 |
1 files changed, 634 insertions, 0 deletions
diff --git a/user_guide/tutorial/static_pages.html b/user_guide/tutorial/static_pages.html new file mode 100644 index 000000000..7449eeea8 --- /dev/null +++ b/user_guide/tutorial/static_pages.html @@ -0,0 +1,634 @@ + + +<!DOCTYPE html> +<!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]--> +<!--[if gt IE 8]><!--> <html class="no-js" lang="en" > <!--<![endif]--> +<head> + <meta charset="utf-8"> + <meta name="viewport" content="width=device-width, initial-scale=1.0"> + + <title>Static pages — CodeIgniter 3.1.5 documentation</title> + + + + + <link rel="shortcut icon" href="../_static/ci-icon.ico"/> + + + + <link href='https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic|Roboto+Slab:400,700|Inconsolata:400,700&subset=latin,cyrillic' rel='stylesheet' type='text/css'> + + + + + + + + + + <link rel="stylesheet" href="../_static/css/citheme.css" type="text/css" /> + + + + <link rel="top" title="CodeIgniter 3.1.5 documentation" href="../index.html"/> + <link rel="up" title="Tutorial" href="index.html"/> + <link rel="next" title="News section" href="news_section.html"/> + <link rel="prev" title="Tutorial" href="index.html"/> + + + <script src="https://cdnjs.cloudflare.com/ajax/libs/modernizr/2.6.2/modernizr.min.js"></script> + +</head> + +<body class="wy-body-for-nav" role="document"> + + <div id="nav"> + <div id="nav_inner"> + + + + <div id="pulldown-menu" class="ciNav"> + <ul> +<li class="toctree-l1"><a class="reference internal" href="../general/welcome.html">Welcome to CodeIgniter</a><ul class="simple"> +</ul> +</li> +</ul> +<ul> +<li class="toctree-l1"><a class="reference internal" href="../installation/index.html">Installation Instructions</a><ul> +<li class="toctree-l2"><a class="reference internal" href="../installation/downloads.html">Downloading CodeIgniter</a></li> +<li class="toctree-l2"><a class="reference internal" href="../installation/index.html">Installation Instructions</a></li> +<li class="toctree-l2"><a class="reference 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href="../overview/goals.html">Architectural Goals</a></li> +</ul> +</li> +</ul> +<ul class="current"> +<li class="toctree-l1 current"><a class="reference internal" href="index.html">Tutorial</a><ul class="current"> +<li class="toctree-l2 current"><a class="current reference internal" href="">Static pages</a></li> +<li class="toctree-l2"><a class="reference internal" href="news_section.html">News section</a></li> +<li class="toctree-l2"><a class="reference internal" href="create_news_items.html">Create news items</a></li> +<li class="toctree-l2"><a class="reference internal" href="conclusion.html">Conclusion</a></li> +</ul> +</li> +</ul> +<ul> +<li class="toctree-l1"><a class="reference internal" href="../contributing/index.html">Contributing to CodeIgniter</a><ul> +<li class="toctree-l2"><a class="reference internal" href="../documentation/index.html">Writing CodeIgniter Documentation</a></li> +<li class="toctree-l2"><a class="reference internal" href="../DCO.html">Developer’s 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href="../contributing/index.html">Contributing to CodeIgniter</a><ul> +<li class="toctree-l2"><a class="reference internal" href="../documentation/index.html">Writing CodeIgniter Documentation</a></li> +<li class="toctree-l2"><a class="reference internal" href="../DCO.html">Developer’s Certificate of Origin 1.1</a></li> +</ul> +</li> +</ul> +<ul> +<li class="toctree-l1"><a class="reference internal" href="../general/index.html">General Topics</a><ul> +<li class="toctree-l2"><a class="reference internal" href="../general/urls.html">CodeIgniter URLs</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/controllers.html">Controllers</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/reserved_names.html">Reserved Names</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/views.html">Views</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/models.html">Models</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/helpers.html">Helpers</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/libraries.html">Using CodeIgniter Libraries</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/creating_libraries.html">Creating Libraries</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/drivers.html">Using CodeIgniter Drivers</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/creating_drivers.html">Creating Drivers</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/core_classes.html">Creating Core System Classes</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/ancillary_classes.html">Creating Ancillary Classes</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/hooks.html">Hooks - Extending the Framework Core</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/autoloader.html">Auto-loading Resources</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/common_functions.html">Common Functions</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/compatibility_functions.html">Compatibility Functions</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/routing.html">URI Routing</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/errors.html">Error Handling</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/caching.html">Caching</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/profiling.html">Profiling Your Application</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/cli.html">Running via the CLI</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/managing_apps.html">Managing your Applications</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/environments.html">Handling Multiple Environments</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/alternative_php.html">Alternate PHP Syntax for View Files</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/security.html">Security</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/styleguide.html">PHP Style Guide</a></li> +</ul> +</li> +</ul> +<ul> +<li class="toctree-l1"><a class="reference internal" href="../libraries/index.html">Libraries</a><ul> +<li class="toctree-l2"><a class="reference internal" href="../libraries/benchmark.html">Benchmarking Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/caching.html">Caching Driver</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/calendar.html">Calendaring Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/cart.html">Shopping Cart Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/config.html">Config Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/email.html">Email Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/encrypt.html">Encrypt Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/encryption.html">Encryption Library</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/file_uploading.html">File Uploading Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/form_validation.html">Form Validation</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/ftp.html">FTP Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/image_lib.html">Image Manipulation Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/input.html">Input Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/javascript.html">Javascript Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/language.html">Language Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/loader.html">Loader Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/migration.html">Migrations Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/output.html">Output Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/pagination.html">Pagination Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/parser.html">Template Parser Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/security.html">Security Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/sessions.html">Session Library</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/table.html">HTML Table Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/trackback.html">Trackback Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/typography.html">Typography Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/unit_testing.html">Unit Testing Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/uri.html">URI Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/user_agent.html">User Agent Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/xmlrpc.html">XML-RPC and XML-RPC Server Classes</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/zip.html">Zip Encoding Class</a></li> +</ul> +</li> +</ul> +<ul> +<li class="toctree-l1"><a class="reference internal" href="../database/index.html">Database Reference</a><ul> +<li class="toctree-l2"><a class="reference internal" href="../database/examples.html">Quick Start: Usage Examples</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/configuration.html">Database Configuration</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/connecting.html">Connecting to a Database</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/queries.html">Running Queries</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/results.html">Generating Query Results</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/helpers.html">Query Helper Functions</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/query_builder.html">Query Builder Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/transactions.html">Transactions</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/metadata.html">Getting MetaData</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/call_function.html">Custom Function Calls</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/caching.html">Query Caching</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/forge.html">Database Manipulation with Database Forge</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/utilities.html">Database Utilities Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/db_driver_reference.html">Database Driver Reference</a></li> +</ul> +</li> +</ul> +<ul> +<li class="toctree-l1"><a class="reference internal" href="../helpers/index.html">Helpers</a><ul> +<li class="toctree-l2"><a class="reference internal" href="../helpers/array_helper.html">Array Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/captcha_helper.html">CAPTCHA Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/cookie_helper.html">Cookie Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/date_helper.html">Date Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/directory_helper.html">Directory Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/download_helper.html">Download Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/email_helper.html">Email Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/file_helper.html">File Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/form_helper.html">Form Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/html_helper.html">HTML Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/inflector_helper.html">Inflector Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/language_helper.html">Language Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/number_helper.html">Number Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/path_helper.html">Path Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/security_helper.html">Security Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/smiley_helper.html">Smiley Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/string_helper.html">String Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/text_helper.html">Text Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/typography_helper.html">Typography Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/url_helper.html">URL Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/xml_helper.html">XML Helper</a></li> +</ul> +</li> +</ul> + + + + </div> + + </nav> + + <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"> + + + <nav class="wy-nav-top" role="navigation" aria-label="top navigation"> + <i data-toggle="wy-nav-top" class="fa fa-bars"></i> + <a href="../index.html">CodeIgniter</a> + </nav> + + + + <div class="wy-nav-content"> + <div class="rst-content"> + <div role="navigation" aria-label="breadcrumbs navigation"> + <ul class="wy-breadcrumbs"> + <li><a href="../index.html">Docs</a> »</li> + + <li><a href="index.html">Tutorial</a> »</li> + + <li>Static pages</li> + <li class="wy-breadcrumbs-aside"> + + </li> + <div style="float:right;margin-left:5px;" id="closeMe"> + <img title="Classic Layout" alt="classic layout" src="data:image/gif;base64,R0lGODlhFAAUAJEAAAAAADMzM////wAAACH5BAUUAAIALAAAAAAUABQAAAImlI+py+0PU5gRBRDM3DxbWoXis42X13USOLauUIqnlsaH/eY6UwAAOw==" /> + </div> + </ul> + <hr/> +</div> + <div role="main" class="document"> + + <div class="section" id="static-pages"> +<h1>Static pages<a class="headerlink" href="#static-pages" title="Permalink to this headline">¶</a></h1> +<p><strong>Note:</strong> This tutorial assumes you’ve downloaded CodeIgniter and +<a class="reference internal" href="../installation/index.html"><em>installed the framework</em></a> in your +development environment.</p> +<p>The first thing you’re going to do is set up a <strong>controller</strong> to handle +static pages. A controller is simply a class that helps delegate work. +It is the glue of your web application.</p> +<p>For example, when a call is made to:</p> +<blockquote> +<div><a class="reference external" href="http://example.com/news/latest/10">http://example.com/news/latest/10</a></div></blockquote> +<p>We might imagine that there is a controller named “news”. The method +being called on news would be “latest”. The news method’s job could be to +grab 10 news items, and render them on the page. Very often in MVC, +you’ll see URL patterns that match:</p> +<blockquote> +<div><a class="reference external" href="http://example.com/[controller-class]/[controller-method]/[arguments">http://example.com/[controller-class]/[controller-method]/[arguments</a>]</div></blockquote> +<p>As URL schemes become more complex, this may change. But for now, this +is all we will need to know.</p> +<p>Create a file at <em>application/controllers/Pages.php</em> with the following +code.</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="o"><?</span><span class="nx">php</span> +<span class="k">class</span> <span class="nc">Pages</span> <span class="k">extends</span> <span class="nx">CI_Controller</span> <span class="p">{</span> + + <span class="k">public</span> <span class="k">function</span> <span class="nf">view</span><span class="p">(</span><span class="nv">$page</span> <span class="o">=</span> <span class="s1">'home'</span><span class="p">)</span> + <span class="p">{</span> + <span class="p">}</span> +<span class="p">}</span> +</pre></div> +</div> +<p>You have created a class named <tt class="docutils literal"><span class="pre">Pages</span></tt>, with a view method that accepts +one argument named <tt class="docutils literal"><span class="pre">$page</span></tt>. The <tt class="docutils literal"><span class="pre">Pages</span></tt> class is extending the +<tt class="docutils literal"><span class="pre">CI_Controller</span></tt> class. This means that the new pages class can access the +methods and variables defined in the <tt class="docutils literal"><span class="pre">CI_Controller</span></tt> class +(<em>system/core/Controller.php</em>).</p> +<p>The <strong>controller is what will become the center of every request</strong> to +your web application. In very technical CodeIgniter discussions, it may +be referred to as the <em>super object</em>. Like any php class, you refer to +it within your controllers as <tt class="docutils literal"><span class="pre">$this</span></tt>. Referring to <tt class="docutils literal"><span class="pre">$this</span></tt> is how +you will load libraries, views, and generally command the framework.</p> +<p>Now you’ve created your first method, it’s time to make some basic page +templates. We will be creating two “views” (page templates) that act as +our page footer and header.</p> +<p>Create the header at <em>application/views/templates/header.php</em> and add +the following code:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="o"><</span><span class="nx">html</span><span class="o">></span> + <span class="o"><</span><span class="nx">head</span><span class="o">></span> + <span class="o"><</span><span class="nx">title</span><span class="o">></span><span class="nx">CodeIgniter</span> <span class="nx">Tutorial</span><span class="o"></</span><span class="nx">title</span><span class="o">></span> + <span class="o"></</span><span class="nx">head</span><span class="o">></span> + <span class="o"><</span><span class="nx">body</span><span class="o">></span> + + <span class="o"><</span><span class="nx">h1</span><span class="o">><?</span><span class="nx">php</span> <span class="k">echo</span> <span class="nv">$title</span><span class="p">;</span> <span class="cp">?></span><span class="p"></</span><span class="nt">h1</span><span class="p">></span> +</pre></div> +</div> +<p>The header contains the basic HTML code that you’ll want to display +before loading the main view, together with a heading. It will also +output the <tt class="docutils literal"><span class="pre">$title</span></tt> variable, which we’ll define later in the controller. +Now, create a footer at <em>application/views/templates/footer.php</em> that +includes the following code:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span> <span class="o"><</span><span class="nx">em</span><span class="o">>&</span><span class="nb">copy</span><span class="p">;</span> <span class="mi">2015</span><span class="o"></</span><span class="nx">em</span><span class="o">></span> + <span class="o"></</span><span class="nx">body</span><span class="o">></span> +<span class="o"></</span><span class="nx">html</span><span class="o">></span> +</pre></div> +</div> +<div class="section" id="adding-logic-to-the-controller"> +<h2>Adding logic to the controller<a class="headerlink" href="#adding-logic-to-the-controller" title="Permalink to this headline">¶</a></h2> +<p>Earlier you set up a controller with a <tt class="docutils literal"><span class="pre">view()</span></tt> method. The method +accepts one parameter, which is the name of the page to be loaded. The +static page templates will be located in the <em>application/views/pages/</em> +directory.</p> +<p>In that directory, create two files named <em>home.php</em> and <em>about.php</em>. +Within those files, type some text − anything you’d like − and save them. +If you like to be particularly un-original, try “Hello World!”.</p> +<p>In order to load those pages, you’ll have to check whether the requested +page actually exists:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="k">public</span> <span class="k">function</span> <span class="nf">view</span><span class="p">(</span><span class="nv">$page</span> <span class="o">=</span> <span class="s1">'home'</span><span class="p">)</span> +<span class="p">{</span> + <span class="k">if</span> <span class="p">(</span> <span class="o">!</span> <span class="nb">file_exists</span><span class="p">(</span><span class="nx">APPPATH</span><span class="o">.</span><span class="s1">'views/pages/'</span><span class="o">.</span><span class="nv">$page</span><span class="o">.</span><span class="s1">'.php'</span><span class="p">))</span> + <span class="p">{</span> + <span class="c1">// Whoops, we don't have a page for that!</span> + <span class="nx">show_404</span><span class="p">();</span> + <span class="p">}</span> + + <span class="nv">$data</span><span class="p">[</span><span class="s1">'title'</span><span class="p">]</span> <span class="o">=</span> <span class="nb">ucfirst</span><span class="p">(</span><span class="nv">$page</span><span class="p">);</span> <span class="c1">// Capitalize the first letter</span> + + <span class="nv">$this</span><span class="o">-></span><span class="na">load</span><span class="o">-></span><span class="na">view</span><span class="p">(</span><span class="s1">'templates/header'</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span> + <span class="nv">$this</span><span class="o">-></span><span class="na">load</span><span class="o">-></span><span class="na">view</span><span class="p">(</span><span class="s1">'pages/'</span><span class="o">.</span><span class="nv">$page</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span> + <span class="nv">$this</span><span class="o">-></span><span class="na">load</span><span class="o">-></span><span class="na">view</span><span class="p">(</span><span class="s1">'templates/footer'</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span> +<span class="p">}</span> +</pre></div> +</div> +<p>Now, when the page does exist, it is loaded, including the header and +footer, and displayed to the user. If the page doesn’t exist, a “404 +Page not found” error is shown.</p> +<p>The first line in this method checks whether the page actually exists. +PHP’s native <tt class="docutils literal"><span class="pre">file_exists()</span></tt> function is used to check whether the file +is where it’s expected to be. <tt class="docutils literal"><span class="pre">show_404()</span></tt> is a built-in CodeIgniter +function that renders the default error page.</p> +<p>In the header template, the <tt class="docutils literal"><span class="pre">$title</span></tt> variable was used to customize the +page title. The value of title is defined in this method, but instead of +assigning the value to a variable, it is assigned to the title element +in the <tt class="docutils literal"><span class="pre">$data</span></tt> array.</p> +<p>The last thing that has to be done is loading the views in the order +they should be displayed. The second parameter in the <tt class="docutils literal"><span class="pre">view()</span></tt> method is +used to pass values to the view. Each value in the <tt class="docutils literal"><span class="pre">$data</span></tt> array is +assigned to a variable with the name of its key. So the value of +<tt class="docutils literal"><span class="pre">$data['title']</span></tt> in the controller is equivalent to <tt class="docutils literal"><span class="pre">$title</span></tt> in the +view.</p> +</div> +<div class="section" id="routing"> +<h2>Routing<a class="headerlink" href="#routing" title="Permalink to this headline">¶</a></h2> +<p>The controller is now functioning! Point your browser to +<tt class="docutils literal"><span class="pre">[your-site-url]index.php/pages/view</span></tt> to see your page. When you visit +<tt class="docutils literal"><span class="pre">index.php/pages/view/about</span></tt> you’ll see the about page, again including +the header and footer.</p> +<p>Using custom routing rules, you have the power to map any URI to any +controller and method, and break free from the normal convention: +<tt class="docutils literal"><span class="pre">http://example.com/[controller-class]/[controller-method]/[arguments]</span></tt></p> +<p>Let’s do that. Open the routing file located at +<em>application/config/routes.php</em> and add the following two lines. +Remove all other code that sets any element in the <tt class="docutils literal"><span class="pre">$route</span></tt> array.</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$route</span><span class="p">[</span><span class="s1">'default_controller'</span><span class="p">]</span> <span class="o">=</span> <span class="s1">'pages/view'</span><span class="p">;</span> +<span class="nv">$route</span><span class="p">[</span><span class="s1">'(:any)'</span><span class="p">]</span> <span class="o">=</span> <span class="s1">'pages/view/$1'</span><span class="p">;</span> +</pre></div> +</div> +<p>CodeIgniter reads its routing rules from top to bottom and routes the +request to the first matching rule. Each rule is a regular expression +(left-side) mapped to a controller and method name separated by slashes +(right-side). When a request comes in, CodeIgniter looks for the first +match, and calls the appropriate controller and method, possibly with +arguments.</p> +<p>More information about routing can be found in the URI Routing +<a class="reference internal" href="../general/routing.html"><em>documentation</em></a>.</p> +<p>Here, the second rule in the <tt class="docutils literal"><span class="pre">$routes</span></tt> array matches <strong>any</strong> request +using the wildcard string <tt class="docutils literal"><span class="pre">(:any)</span></tt>. and passes the parameter to the +<tt class="docutils literal"><span class="pre">view()</span></tt> method of the <tt class="docutils literal"><span class="pre">Pages</span></tt> class.</p> +<p>Now visit <tt class="docutils literal"><span class="pre">index.php/about</span></tt>. Did it get routed correctly to the <tt class="docutils literal"><span class="pre">view()</span></tt> +method in the pages controller? Awesome!</p> +</div> +</div> + + + </div> + <footer> + + <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation"> + + <a href="news_section.html" class="btn btn-neutral float-right" title="News section">Next <span class="fa fa-arrow-circle-right"></span></a> + + + <a href="index.html" class="btn btn-neutral" title="Tutorial"><span class="fa fa-arrow-circle-left"></span> Previous</a> + + </div> + + + <hr/> + + <div role="contentinfo"> + <p> + © Copyright 2014 - 2017, British Columbia Institute of Technology. + Last updated on Jun 19, 2017. + </p> + </div> + + Built with <a href="http://sphinx-doc.org/">Sphinx</a> using a <a href="https://github.com/snide/sphinx_rtd_theme">theme</a> provided by <a href="https://readthedocs.org">Read the Docs</a>. + +</footer> + </div> + </div> + + </section> + + </div> + + + + + + <script type="text/javascript"> + var DOCUMENTATION_OPTIONS = { + URL_ROOT:'../', + VERSION:'3.1.5', + COLLAPSE_INDEX:false, + FILE_SUFFIX:'.html', + HAS_SOURCE: false + }; + </script> + <script type="text/javascript" src="../_static/jquery.js"></script> + <script type="text/javascript" src="../_static/underscore.js"></script> + <script type="text/javascript" src="../_static/doctools.js"></script> + + + + + + <script type="text/javascript" src="../_static/js/theme.js"></script> + + + + + <script type="text/javascript"> + jQuery(function () { + SphinxRtdTheme.StickyNav.enable(); + }); + </script> + + +</body> +</html>
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