利用 WordPress 设置 API 添加选择设置页面

知更鸟 WordPress评论326阅读模式

本文介绍如何使用 WordPress 设置 API 创建一个简单的单选、列表选择、复选和媒体上传设置页面,并在设置菜单中添加链接菜单。

利用 WordPress 设置 API 添加选择设置页面文章源自知更鸟-https://zmingcx.com/using-wordpress-settings-api.html

将代码添加到主题函数模板functions.php中:文章源自知更鸟-https://zmingcx.com/using-wordpress-settings-api.html

单选文章源自知更鸟-https://zmingcx.com/using-wordpress-settings-api.html

function zm_demo_settings_radio() {
	add_settings_section("section", "标题", null, "demo");
	add_settings_field("demo-radio", "单选按钮演示", "zm_demo_radio_display", "demo", "section");  
	register_setting("section", "zm-demo-radio");
}

function zm_demo_radio_display() {
	?>
		<input type="radio" name="zm-demo-radio" value="1" <?php checked( 1, get_option( 'zm-demo-radio' ), true); ?>>1
		<input type="radio" name="zm-demo-radio" value="2" <?php checked( 2, get_option( 'zm-demo-radio' ), true); ?>>2
	<?php
}

add_action( "admin_init", "zm_demo_settings_radio" );

function zm_demo_page() {
	?>
	<div class="wrap">
		<h1>单选设置</h1>
		<form method="post" action="options.php">
			<?php
				settings_fields( "section" );
 				do_settings_sections( "demo" );
				submit_button();
			?>
		</form>
	</div>
	<?php
}

function zm_menu_item() {
	add_submenu_page( "options-general.php", "单选设置", "单选设置", "manage_options", "demo", "zm_demo_page" );
}

add_action( "admin_menu", "zm_menu_item" );

列表选择文章源自知更鸟-https://zmingcx.com/using-wordpress-settings-api.html

展开收缩
文章源自知更鸟-https://zmingcx.com/using-wordpress-settings-api.html
// 列表选择
function zm_demo_settings_select() {
	add_settings_section( "section", "标题", null, "demo" );
	add_settings_field( "demo-select", "列表选择", "zm_demo_select_display", "demo", "section" );
	register_setting( "section", "demo-select" );
}

function zm_demo_select_display() {
	?>
		<select name="demo-select">
			<option value="qscutter" <?php selected( get_option( 'zm-demo-select' ), "qscutter" ); ?>>QScutter</option>
			<option value="qnimate" <?php selected( get_option( 'zm-demo-select' ), "qnimate" ); ?>>QNimate</option>
			<option value="qidea" <?php selected( get_option( 'zm-demo-select' ), "qidea" ); ?>>QIdea</option>
			<option value="qtrack" <?php selected( get_option( 'zm-demo-select' ), "qtrack" ); ?>>QTrack</option>
		</select>
	<?php
}

add_action( "admin_init", "zm_demo_settings_select" );

function zm_demo_page() {
	?>
		<div class="wrap">
			<h1>列表选择</h1>
			<form method="post" action="options.php">
				<?php
					settings_fields( "section" ); 
					do_settings_sections( "demo" );
					submit_button();
				?>
			</form>
		</div>
	<?php
}

function zm_menu_item_select() {
	add_submenu_page( "options-general.php", "列表选择", "列表选择", "manage_options", "demo", "zm_demo_page" );
}

add_action( "admin_menu", "zm_menu_item_select" );

文章源自知更鸟-https://zmingcx.com/using-wordpress-settings-api.html

复选框文章源自知更鸟-https://zmingcx.com/using-wordpress-settings-api.html

展开收缩
文章源自知更鸟-https://zmingcx.com/using-wordpress-settings-api.html
// 复选框
function zm_demo_settings_page_checkbox() {
	add_settings_section( "section", "标题", null, "demo" );
	add_settings_field( "demo-checkbox", "复选框", "zm_demo_checkbox_display", "demo", "section" );
	register_setting( "section", "demo-checkbox" );
}

function zm_demo_checkbox_display() {
	?>
		<input type="checkbox" name="demo-checkbox" value="1" <?php checked( 1, get_option( 'zm-demo-checkbox' ), true ); ?> />
	<?php
}

add_action( "admin_init", "zm_demo_settings_page_checkbox" );

function zm_demo_page() {
	?>
		<div class="wrap">
			<h1>复选框</h1>
			<form method="post" action="options.php">
				<?php
					settings_fields( "section" );
					do_settings_sections( "demo" );
					submit_button();
				?>
			</form>
		</div>
	<?php
}

function zm_menu_item_checkbox() {
	add_submenu_page( "options-general.php", "复选框", "复选框", "manage_options", "demo", "zm_demo_page" );
}

add_action( "admin_menu", "zm_menu_item_checkbox" );

文章源自知更鸟-https://zmingcx.com/using-wordpress-settings-api.html

媒体上传文章源自知更鸟-https://zmingcx.com/using-wordpress-settings-api.html

展开收缩
文章源自知更鸟-https://zmingcx.com/using-wordpress-settings-api.html
// 媒体上传
function zm_demo_settings_page_file() {
	add_settings_section( "section", "标题", null, "demo" );
	add_settings_field( "demo-file", "媒体上传", "zm_demo_file_display", "demo", "section" );  
	register_setting( "section", "demo-file", "handle_file_upload" );
}

function handle_file_upload( $option ) {
	if( !empty( $_FILES["demo-file"]["tmp_name"] ) ) {
		$urls = wp_handle_upload( $_FILES["demo-file"], array( 'test_form' => FALSE ) );
		$temp = $urls["url"];
		return $temp;
	}
	return $option;
}

function zm_demo_file_display() {
	?>
		<input type="file" name="demo-file" />
		<?php echo get_option( 'demo-file' ); ?>
	<?php
}

add_action( "admin_init", "zm_demo_settings_page_file" );

function zm_demo_page_file() {
	?>
		<div class="wrap">
			<h1>媒体上传</h1>
			<form method="post" action="options.php">
				<?php
					settings_fields("section");
					do_settings_sections("demo");
					submit_button();
				?>
			</form>
		</div>
	<?php
}

function zm_menu_item_file() {
	add_submenu_page( "options-general.php", "媒体上传", "媒体上传", "manage_options", "demo", "zm_demo_page_file" );
}
add_action( "admin_menu", "zm_menu_item_file" );

文章源自知更鸟-https://zmingcx.com/using-wordpress-settings-api.html

设置存储在wp_options表中。文章源自知更鸟-https://zmingcx.com/using-wordpress-settings-api.html

 文章源自知更鸟-https://zmingcx.com/using-wordpress-settings-api.html

文章源自知更鸟-https://zmingcx.com/using-wordpress-settings-api.html文章源自知更鸟-https://zmingcx.com/using-wordpress-settings-api.html
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