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検索ページの作成

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2010年4月12日 (月) 21:19時点におけるMizuno (トーク | 投稿記録)による版 ({{原文|Creating a Static Front Page|85646}}<!-- 14:07, 9 April 2010 W3prodigy 版 -->)

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A Search Page is a WordPress Page with a custom Page template to give users more information for searching your site.

Things You Need to Know

Different WordPress Themes feature different template files. Some include a search.php template file. This is not a Search Page, it is merely a template that displays the search results. There is also a template file called searchform.php. This is a template file that is often included in the sidebar of many themes and generates the search box form. If there isn't one in your theme, you can easily copy it from the Default theme.

To create your own custom Search Page, you will need to create a Page template to include your search form and the information you want your users to see before they search your site.

Check your WordPress Theme to see if it includes a page.php template file. The Default WordPress Theme does include this template, but many do not. If it does, then follow these instructions. If it does not, we have the information you need to create your own.

Using the page.php

1. Using a text editor, open the page.php and save as searchpage.php. (Note: The filename search.php is reserved as a special template name, so avoid its usage; the suggested searchpage.php just makes it easy to recognize in the list of files.)

2. After saving it, edit the file:

  • Delete The Loop (i.e. basically everything within your content div), leaving the div tags intact.
  • Add a heading such as "Search Posts" or something similar. You can use an existing class from your CSS style sheet, or create a new one.
  • Copy the following into the content div or any other div that contains the content of your Page:
<?php include (TEMPLATEPATH . '/searchform.php'); ?>
  • At the top of your searchpage.php, before anything else, add this to give your Search Page a heading WordPress will recognize in the Administration Panels:
<?php
/*
Template Name: Search Page
*/
?>
  • Save the file
  • Upload the file to your theme directory (if you made changes to your style.css style sheet file, upload that, too).
  • In the Administration Panels go to Write > Write Page.
    ファイル:writepage2 5.png
    WordPress Write Page Panel
  • In the title field enter Search.
  • Do not write anything in the content area.
  • From the Page Template drop-down menu select: Search Page
  • Click the Create New Page button
  • Select the Manage Pages panel.
  • Write down the page_id number of your newly created Page named Search Page.

You are now ready to customize the look of your Search Page.

Creating a Search Page Template

If you do not have a page.php, you can create one based upon your Theme's index.php template file.

  1. In a text editor, open your theme's index.php and save as searchpage.php.
  2. Then follow the editing steps from above.

Preserving Search Page Results and Pagination

Search results and Pagination may stop working when applying customization to the search template. To avoid these issues the first thing any developer needs to do is add the following code to the start of their Search template to ensure that the original WordPress query is preserved. To customize the query append additional arguments to (array) $search_query. Execute the $search_query through a new $wp_query object, more information on the WP_Query object can be found at http://codex.wordpress.org/Function_Reference/WP_Query

<?php
global $query_string;

$query_args = explode("&", $query_string);
$search_query = array();

foreach($query_args as $key => $string) {
	$query_split = explode("=", $string);
	$search_query[$query_split[0]] = $query_split[1];
} // foreach

$search = new WP_Query($search_query);
?>

Additional customization arguments can be found on the Codex at http://codex.wordpress.org/Template_Tags/query_posts

W3prodigy 15:25, 30 March 2010 (UTC)

Display Total Results

To access the total number of search results from a search, you should retrieve the total number of posts found using the wp_query object.

<?php
global $wp_query;
$total_results = $wp_query->found_posts;
?>

More information on WP Query can be found on the Codex at http://codex.wordpress.org/Function_Reference/WP_Query

W3prodigy 15:25, 30 March 2010 (UTC)

Linking to Your Search Page

You can now make a link to your custom Search Page in several ways.

Using the Page ID 
Whether or not you use permalinks, you can link to your new Search Page by using Page ID number of the Page.
<a href="index.php?page_id=17" title="Search Page">Search Page</a>

OR

<a href="<?php bloginfo('url'); ?>/?page_id=17">Search Page</a>
Using the Page Slug 
The Page slug is set in the Edit Page panel. It is the name of the page if you are using Permalinks. You can manually change this. An example of a Page slug link would be:
<a href="/wordpress/search-page" title="Search Page">Search Page</a>

OR

<a href="<?php bloginfo('url'); ?>/wordpress/search-page" title="Search Page">Search Page</a>
Using wp_list_pages() 
If you are using the wp_list_pages() template tag, the page name would be automatically generated in your Pages list.

Customizing Your Search Page

Now that you have created your custom Search Page, you can customize the display. From the Manage > Pages panel, on your custom Search Page line, choose Edit. Or open your searchpage.php in a text editor and edit it there.

Above the include function for your searchform.php within the content div, you can add text to help visitors search your site.

<p>
My Site features articles about 
<a title="WordPress Articles" href="index.php?cat=4">WordPress</a>, 
<a title="Web Design Articles" href="index.php?cat=5">web page design</a>, 
<a title="Development Articles" href="index.php?cat=6">website 
development</a>,
and <a title="CSS Articles" href="index.php?cat=7">CSS</a>.
</p>
<p>To search my website, please use the form below.</p>

<?php include (TEMPLATEPATH . '/searchform.php'); ?>

You might want to include a list of keywords or other information, images, or details to customize your custom Search Page.

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