我正在尝试为我的主题创建一个选项页面,在选项页面上有一个显示所有类别名称的下拉列表,选项值作为类别的ID号,因此在下拉列表中,它显示所有类别名称,但是当您选择类别并在前端回显时,它会回显类别ID.
我现在的代码显示了类别名称列表,但也将名称回显到前端.我试图修改它的ID号,但我没有运气.
总而言之,在选项页面上,它需要在下拉列表中显示类别名称,但在前端它应该回显类别的ID号.
编辑:这是我用来创建选项页面的完整代码 – 这一切都在functions.PHP中:
<?PHP
$themename = "TGH 2012";
$shortname = "tgh";
$categories = get_categories('hide_empty=0&orderby=name');
$wp_cats = array();
foreach ($categories as $category_list ) {
$wp_cats[$category_list->cat_id] = $category_list->cat_name;
}
array_unshift($wp_cats, "Choose a category");
global $options;
$options = array (
array( "name" => "Homepage Options",
"type" => "title"),
array( "type" => "open"),
array( "name" => "Pick Categories",
"desc" => "Choose a category from the list to do some interesting stuff.",
"id" => $shortname."_categories",
"type" => "select",
"options" => $wp_cats,
"std" => ""),
array( "type" => "close")
);
function mytheme_add_admin() {
global $themename, $shortname, $options;
if ( $_GET['page'] == basename(__FILE__) ) {
if ( 'save' == $_REQUEST['action'] ) {
foreach ($options as $value) {
update_option( $value['id'], $_REQUEST[ $value['id'] ] ); }
foreach ($options as $value) {
if( isset( $_REQUEST[ $value['id'] ] ) ) { update_option( $value['id'], $_REQUEST[ $value['id'] ] ); } else { delete_option( $value['id'] ); } }
header("Location: themes.PHP?page=functions.PHP&saved=true");
die;
} else if( 'reset' == $_REQUEST['action'] ) {
foreach ($options as $value) {
delete_option( $value['id'] ); }
header("Location: themes.PHP?page=functions.PHP&reset=true");
die;
}
}
add_theme_page($themename." Options", "".$themename." Options", 'edit_themes', basename(__FILE__), 'mytheme_admin');
}
function mytheme_admin() {
global $themename, $shortname, $options;
if ( $_REQUEST['saved'] ) echo '<div id="message" class="updated fade"><p><strong>'.$themename.' settings saved.</strong></p></div>';
if ( $_REQUEST['reset'] ) echo '<div id="message" class="updated fade"><p><strong>'.$themename.' settings reset.</strong></p></div>';
?>
<div class="wrap">
<h2><?PHP echo $themename; ?> settings</h2>
<form method="post">
<?PHP foreach ($options as $value) {
switch ( $value['type'] ) {
case "open":
?>
<table width="100%" border="0" style="background-color:#eef5fb; padding:10px;">
<?PHP break;
case "close":
?>
</table>
<br />
<?PHP break;
case "title":
?>
<table width="100%" border="0" style="background-color:#dceefc; padding:5px 10px;">
<tr>
<td colspan="2"><h3 style="font-family:Georgia,'Times New Roman',Times,serif;"><?PHP echo $value['name']; ?></h3></td>
</tr>
<?PHP break;
case 'text':
?>
<tr>
<td width="20%" rowspan="2" valign="middle"><strong><?PHP echo $value['name']; ?></strong></td>
<td width="80%"><input style="width:400px;" name="<?PHP echo $value['id']; ?>" id="<?PHP echo $value['id']; ?>" type="<?PHP echo $value['type']; ?>" value="<?PHP if ( get_settings( $value['id'] ) != "") { echo get_settings( $value['id'] ); } else { echo $value['std']; } ?>" /></td>
</tr>
<tr>
<td><small><?PHP echo $value['desc']; ?></small></td>
</tr>
<tr>
<td colspan="2" style="margin-bottom:5px;border-bottom:1px dotted #000000;"> </td>
</tr>
<tr>
<td colspan="2"> </td>
</tr>
<?PHP
break;
case 'textarea':
?>
<tr>
<td width="20%" rowspan="2" valign="middle"><strong><?PHP echo $value['name']; ?></strong></td>
<td width="80%"><textarea name="<?PHP echo $value['id']; ?>" style="width:400px; height:200px;" type="<?PHP echo $value['type']; ?>" cols="" rows=""><?PHP if ( get_settings( $value['id'] ) != "") { echo get_settings( $value['id'] ); } else { echo $value['std']; } ?>
</textarea></td>
</tr>
<tr>
<td><small><?PHP echo $value['desc']; ?></small></td>
</tr>
<tr>
<td colspan="2" style="margin-bottom:5px;border-bottom:1px dotted #000000;"> </td>
</tr>
<tr>
<td colspan="2"> </td>
</tr>
<?PHP
break;
case 'select':
?>
<tr>
<td width="20%" rowspan="2" valign="middle"><strong><?PHP echo $value['name']; ?></strong></td>
<td width="80%"><select style="width:240px;" name="<?PHP echo $value['id']; ?>" id="<?PHP echo $value['id']; ?>">
<?PHP foreach ($value['options'] as $option) { ?>
<option<?PHP if ( get_settings( $value['id'] ) == $option) { echo ' selected="selected"'; } elseif ($option == $value['std']) { echo ' selected="selected"'; } ?>><?PHP echo $option; ?></option>
<?PHP } ?>
</select></td>
</tr>
<tr>
<td><small><?PHP echo $value['desc']; ?></small></td>
</tr>
<tr>
<td colspan="2" style="margin-bottom:5px;border-bottom:1px dotted #000000;"> </td>
</tr>
<tr>
<td colspan="2"> </td>
</tr>
<?PHP
break;
case "checkBox":
?>
<tr>
<td width="20%" rowspan="2" valign="middle"><strong><?PHP echo $value['name']; ?></strong></td>
<td width="80%"><? if(get_settings($value['id'])){ $checked = "checked=\"checked\""; }else{ $checked = ""; } ?>
<input type="checkBox" name="<?PHP echo $value['id']; ?>" id="<?PHP echo $value['id']; ?>" value="true" <?PHP echo $checked; ?> /></td>
</tr>
<tr>
<td><small><?PHP echo $value['desc']; ?></small></td>
</tr>
<tr>
<td colspan="2" style="margin-bottom:5px;border-bottom:1px dotted #000000;"> </td>
</tr>
<tr>
<td colspan="2"> </td>
</tr>
<?PHP break;
}
}
?>
<!--</table>-->
<p class="submit">
<input name="save" type="submit" value="Save changes" />
<input type="hidden" name="action" value="save" />
</p>
</form>
<form method="post">
<p class="submit">
<input name="reset" type="submit" value="Reset" />
<input type="hidden" name="action" value="reset" />
</p>
</form>
<?PHP
}
add_action('admin_menu', 'mytheme_add_admin'); ?>
<?PHP
if ( function_exists('register_sidebar') )
register_sidebar(array(
'before_widget' => '<li id="%1$s" class="widget %2$s">',
'after_widget' => '</li>',
'before_title' => '',
'after_title' => '',
));
?>
<?PHP global $options;
foreach ($options as $value) {
if (get_settings( $value['id'] ) === FALSE) { $$value['id'] = $value['std']; } else { $$value['id'] = get_settings( $value['id'] ); }
}
?>
<?PHP echo $tgh_categories; ?>
解决方法:
这是真的出现了吗?如果是这样,请将cat_id更改为cat_ID
foreach ($categories as $category_list ) {
$wp_cats[$category_list->cat_id] = $category_list->cat_name;
}
编辑
在这之后:
foreach ($categories as $category_list ) {
$wp_cats[$category_list->cat_ID] = $category_list->cat_name;
}
加:
$wp_ids = array();
foreach ($categories as $category_list ) {
$wp_ids[$category_list->cat_ID] = $category_list->cat_ID;
}
改变这个:
array( "name" => "Pick Categories",
"desc" => "Choose a category from the list to do some interesting stuff.",
"id" => $shortname."_categories",
"type" => "select",
"options" => $wp_cats,
"std" => ""),
对此:
array( "name" => "Pick Categories",
"desc" => "Choose a category from the list to do some interesting stuff.",
"id" => $shortname."_categories",
"cid" => wp_ids,
"type" => "select",
"options" => $wp_cats,
"std" => ""),
也改变这个:
case 'select':
?>
<tr>
<td width="20%" rowspan="2" valign="middle"><strong><?PHP echo $value['name']; ?></strong></td>
<td width="80%"><select style="width:240px;" name="<?PHP echo $value['id']; ?>" id="<?PHP echo $value['id']; ?>">
<?PHP foreach ($value['options'] as $option) { ?>
<option<?PHP if ( get_settings( $value['id'] ) == $option) { echo ' selected="selected"'; } elseif ($option == $value['std']) { echo ' selected="selected"'; } ?>><?PHP echo $option; ?></option>
<?PHP } ?>
</select></td>
</tr>
<tr>
<td><small><?PHP echo $value['desc']; ?></small></td>
</tr>
<tr>
<td colspan="2" style="margin-bottom:5px;border-bottom:1px dotted #000000;"> </td>
</tr>
<tr>
<td colspan="2"> </td>
</tr>
<?PHP
break;
对此:
case 'select':
?>
<tr>
<td width="20%" rowspan="2" valign="middle"><strong><?PHP echo $value['name']; ?></strong></td>
<td width="80%"><select style="width:240px;" name="<?PHP echo $value['id']; ?>" id="<?PHP echo $value['id']; ?>">
<?PHP foreach ($value['options'] as $option) { ?>
<option value="<?PHP echo $value['cid']; ?>" <?PHP if ( get_settings( $value['id'] ) == $option) { echo ' selected="selected"'; } elseif ($option == $value['std']) { echo ' selected="selected"'; } ?>><?PHP echo $option; ?></option>
<?PHP } ?>
</select></td>
</tr>
<tr>
<td><small><?PHP echo $value['desc']; ?></small></td>
</tr>
<tr>
<td colspan="2" style="margin-bottom:5px;border-bottom:1px dotted #000000;"> </td>
</tr>
<tr>
<td colspan="2"> </td>
</tr>
<?PHP
break;
编辑
我的坏,我忘记了$
改变这个:
"cid" => wp_ids,
至:
"cid" => $wp_ids,
新编辑
改变这个:
<tr>
<td width="20%" rowspan="2" valign="middle"><strong><?PHP echo $value['name']; ?></strong></td>
<td width="80%"><select style="width:240px;" name="<?PHP echo $value['id']; ?>" id="<?PHP echo $value['id']; ?>">
<?PHP foreach ($value['options'] as $option) { ?>
<option value="<?PHP echo $value['cid']; ?>" <?PHP if ( get_settings( $value['id'] ) == $option) { echo ' selected="selected"'; } elseif ($option == $value['std']) { echo ' selected="selected"'; } ?>><?PHP echo $option; ?></option>
<?PHP } ?>
</select></td>
</tr>
对此:
<tr>
<td width="20%" rowspan="2" valign="middle"><strong><?PHP echo $value['name']; ?></strong></td>
<td width="80%"><select style="width:240px;" name="<?PHP echo $value['id']; ?>" id="<?PHP echo $value['id']; ?>">
<?PHP
$categories = get_categories('hide_empty=0&orderby=name');
foreach ($categories as $category_list ) {
?>
<option value="<?PHP echo $category_list->cat_ID; ?>" <?PHP if ( get_settings( $value['id'] ) == $category_list->cat_name) { echo ' selected="selected"'; } elseif ($category_list->cat_name == $value['std']) { echo ' selected="selected"'; } ?>><?PHP echo $category_list->cat_name; ?></option>
<?PHP } ?>
</select></td>
</tr>
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