WordPress自定义小工具（Widget ）开发实例-小四运营

这是一段有详细注释的WordPress自定义小工具（Widget ）开发实例代码，可用于制作主题时集成自定义小工具，将代码添加到主题functions.php中，具体效果如图：

<?php
add_action( \’widgets_init\’, \’example_load_widgets\’ );
example_load_widgets() {
register_widget( \’Example_Widget\’ );
}
Example_Widget WP_Widget {
Example_Widget() {
= ( \’classname\’ => \’example\’, \’description\’ => __(\’An example widget that displays a person\\\’s name sex.\’, \’example\’) );
= ( \’width\’ => 300, \’height\’ => 350, \’id_base\’ => \’example-widget\’ );
->WP_Widget( \’example-widget\’, __(\’Example Widget\’, \’example\’), , );
}
widget( , ) {
extract( );
= apply_filters(\’widget_title\’, [\’title\’] );
= [\’name\’];
= [\’sex\’];
= isset( [\’show_sex\’] ) ? [\’show_sex\’] : false;
;
( )
. . ;
( )
printf( \'<p>\’ . __(\’Hello. My name is %1.\’, \’example\’) . \'</p>\’, );
( )
printf( \'<p>\’ . __(\’I am a %1.\’, \’example.\’) . \'</p>\’, );
;
}
update( , ) {
= ;
[\’title\’] = ( [\’title\’] );
[\’name\’] = ( [\’name\’] );
[\’sex\’] = [\’sex\’];
[\’show_sex\’] = [\’show_sex\’];
;
}
form( ) {
= ( \’title\’ => __(\’Example\’, \’example\’), \’name\’ => __(\’John Doe\’, \’example\’), \’sex\’ => \’male\’, \’show_sex\’ => true );
= wp_parse_args( () , ); ?>
<!– Widget Title: Text Input –>
<p>
<label =><?php _e(\’Title:\’, \’hybrid\’); ?></label>
<input id= name= value= style= />
</p>
<!– Your Name: Text Input –>
<p>
<label =><?php _e(\’Your Name:\’, \’example\’); ?></label>
<input id= name= value= style= />
</p>
<!– Sex: Select Box –>
<p>
<label =><?php _e(\’Sex:\’, \’example\’); ?></label>
<select id= name= = style=>
<option <?php ( \’male\’ == [\’format\’] ) \’selected=\’; ?>>male</option>
<option <?php ( \’female\’ == [\’format\’] ) \’selected=\’; ?>>female</option>
</select>
</p>
<!– Show Sex? Checkbox –>
<p>
<input = type= <?php checked( [\’show_sex\’], true ); ?> id= name= />
<label =><?php _e(\’Display sex publicly?\’, \’example\’); ?></label>
</p>
<?php
}
}
?>

原文：http://justintadlock.com/

WordPress自定义小工具（Widget ）开发实例

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