Php 使用元查询的自定义搜索
我一直在建立一个自定义搜索。该搜索具有许多下拉列表,用户可以将其留空,也可以从许多选项中进行选择。此数据保存在“wine note”自定义帖子类型的帖子中的自定义字段中 到目前为止,它在某种程度上起了作用。我的搜索结果页面如下所示:Php 使用元查询的自定义搜索,php,mysql,search,Php,Mysql,Search,我一直在建立一个自定义搜索。该搜索具有许多下拉列表,用户可以将其留空,也可以从许多选项中进行选择。此数据保存在“wine note”自定义帖子类型的帖子中的自定义字段中 到目前为止,它在某种程度上起了作用。我的搜索结果页面如下所示: <?php $paged = (get_query_var('paged')) ? get_query_var('paged') : 1; query_posts( array( 'post_type' => 'wine-note', 'posts_pe
<?php
$paged = (get_query_var('paged')) ? get_query_var('paged') : 1;
query_posts( array(
'post_type' => 'wine-note',
'posts_per_page' => '10',
'paged' => $paged,
'meta_query' => array(
array(
'key' => 'vintage',
'value' => $vintage_select,
'compare' => 'LIKE'
),
array(
'key' => 'full_list_regions',
'value' => $region_select,
'compare' => 'LIKE'
),
array(
'key' => 'producer_name',
'value' => $winery_select,
'compare' => 'LIKE'
),
array(
'key' => 'S100',
'value' => $score_100_from,
'compare' => '>='
),
array(
'key' => 'S100',
'value' => $score_100_to,
'compare' => '<='
),
array(
'key' => 'S20',
'value' => $score_20_from,
'compare' => '>='
),
array(
'key' => 'S20',
'value' => $score_20_to,
'compare' => '<='
),
array(
'key' => 'wine_rating',
'value' => $rating_from_select,
'compare' => '>='
),
array(
'key' => 'wine_rating',
'value' => $rating_to_select,
'compare' => '<='
)
)
) );?>
<?php
$paged = (get_query_var('paged')) ? get_query_var('paged') : 1;
query_posts( $args = array(
'post_type' => 'wine-note',
'posts_per_page' => '10',
'paged' => $paged,
'meta_query' => array(
)
)
if ($vintage_select) {
$args['metaquery'][] = array(
'key' => 'vintage',
'value' => $vintage_select,
'compare' => 'LIKE'
);
}
if ($region_select) {
$args['metaquery'][] = array(
'key' => 'full_list_regions',
'value' => $region_select,
'compare' => 'LIKE'
);
}
if ($winery_select) {
$args['metaquery'][] = array(
'key' => 'producer_name',
'value' => $winery_select,
'compare' => 'LIKE'
);
}
if ($score_100_from) {
$args['metaquery'][] = array(
'key' => 'S100',
'value' => $score_100_from,
'compare' => '>='
);
}
if ($score_100_to) {
$args['metaquery'][] = array(
'key' => 'S100',
'value' => $score_100_to,
'compare' => '<='
);
}
if ($score_20_from) {
$args['metaquery'][] = array(
'key' => 'S20',
'value' => $score_20_from,
'compare' => '>='
);
}
if ($score_20_to) {
$args['metaquery'][] = array(
'key' => 'S20',
'value' => $score_20_to,
'compare' => '<='
);
}
if ($rating_from_select) {
$args['metaquery'][] = array(
'key' => 'wine_rating',
'value' => $rating_from_select,
'compare' => '>='
);
}
if ($rating_to_select) {
$args['metaquery'][] = array(
'key' => 'wine_rating',
'value' => $rating_to_select,
'compare' => '<='
);
}
);
?>
问题是,即使下拉选择器为空,搜索也会排除没有该特定自定义字段的任何帖子
即-仅显示所有自定义字段(数据或非数据)存在的帖子
因此,我稍微修改了我的代码,添加了一些if语句,以便在用户从下拉列表中选择选项时仅搜索该自定义字段。
我的搜索结果代码现在如下所示:
<?php
$paged = (get_query_var('paged')) ? get_query_var('paged') : 1;
query_posts( array(
'post_type' => 'wine-note',
'posts_per_page' => '10',
'paged' => $paged,
'meta_query' => array(
array(
'key' => 'vintage',
'value' => $vintage_select,
'compare' => 'LIKE'
),
array(
'key' => 'full_list_regions',
'value' => $region_select,
'compare' => 'LIKE'
),
array(
'key' => 'producer_name',
'value' => $winery_select,
'compare' => 'LIKE'
),
array(
'key' => 'S100',
'value' => $score_100_from,
'compare' => '>='
),
array(
'key' => 'S100',
'value' => $score_100_to,
'compare' => '<='
),
array(
'key' => 'S20',
'value' => $score_20_from,
'compare' => '>='
),
array(
'key' => 'S20',
'value' => $score_20_to,
'compare' => '<='
),
array(
'key' => 'wine_rating',
'value' => $rating_from_select,
'compare' => '>='
),
array(
'key' => 'wine_rating',
'value' => $rating_to_select,
'compare' => '<='
)
)
) );?>
<?php
$paged = (get_query_var('paged')) ? get_query_var('paged') : 1;
query_posts( $args = array(
'post_type' => 'wine-note',
'posts_per_page' => '10',
'paged' => $paged,
'meta_query' => array(
)
)
if ($vintage_select) {
$args['metaquery'][] = array(
'key' => 'vintage',
'value' => $vintage_select,
'compare' => 'LIKE'
);
}
if ($region_select) {
$args['metaquery'][] = array(
'key' => 'full_list_regions',
'value' => $region_select,
'compare' => 'LIKE'
);
}
if ($winery_select) {
$args['metaquery'][] = array(
'key' => 'producer_name',
'value' => $winery_select,
'compare' => 'LIKE'
);
}
if ($score_100_from) {
$args['metaquery'][] = array(
'key' => 'S100',
'value' => $score_100_from,
'compare' => '>='
);
}
if ($score_100_to) {
$args['metaquery'][] = array(
'key' => 'S100',
'value' => $score_100_to,
'compare' => '<='
);
}
if ($score_20_from) {
$args['metaquery'][] = array(
'key' => 'S20',
'value' => $score_20_from,
'compare' => '>='
);
}
if ($score_20_to) {
$args['metaquery'][] = array(
'key' => 'S20',
'value' => $score_20_to,
'compare' => '<='
);
}
if ($rating_from_select) {
$args['metaquery'][] = array(
'key' => 'wine_rating',
'value' => $rating_from_select,
'compare' => '>='
);
}
if ($rating_to_select) {
$args['metaquery'][] = array(
'key' => 'wine_rating',
'value' => $rating_to_select,
'compare' => '<='
);
}
);
?>
现在由于某种原因,这会导致自定义字段下拉选择器不起作用。不管用户输入什么,都会返回所有搜索结果,我的意思是所有自定义帖子类型的帖子
上面的代码我做错了什么?
我似乎无法理解这一点
顺便说一下,我使用下面的代码在搜索结果PHP模板的顶部正确定义了所有变量(我认为):
<?php
$vintage_select = $_POST['vintage_select'];
$region_select = $_POST['region_select'];
$winery_select = $_POST['winery_select'];
$score_100_from = $_POST['score_100_from'];
$score_100_to = $_POST['score_100_to'];
$score_20_from = $_POST['score_20_from'];
$score_20_to = $_POST['score_20_to'];
$rating_from_select = $_POST['rating_from_select'];
$rating_to_select = $_POST['rating_to_select'];
?>
第二个代码片段搞乱了。在
query\u posts()
函数的参数列表中有条件
在将“元查询”项传递到$args
数组之前,首先创建并填充该项
例如:
$paged = (get_query_var('paged')) ? get_query_var('paged') : 1;
$metaList = [
'vintage_select'=>['vintage','LIKE'],
'region_select'=>['full_list_regions','LIKE'],
'winery_select'=>['producer_name','LIKE'],
'score_100_from'=>['S100','>='],
'score_100_to'=>['S100','<='],
'score_20_from'=>['S20','>='],
'score_20_to'=>['S20','<='],
'rating_from_select'=>['wine_rating','>='],
'rating_to_select'=>['wine_rating','<='],
];
$metaQuery = [];
foreach ($metaList as $key=>$item)
if(isset($$key) && $$key) $metaQuery[] = ['key'=>$item[0], 'compare'=>$item[1], 'value'=>$$key];
$args = [
'post_type' => 'wine-note',
'posts_per_page' => '10',
'paged' => $paged,
'metaquery'=> $metaQuery
];
query_posts( $args );
$paged=(获取查询变量('paged'))?获取查询变量('paged'):1;
$metaList=[
“复古”\u select'=>[“复古”、“喜欢”],
“区域选择”=>[“完整区域列表”、“类似”],
“酿酒厂选择”=>[“生产商名称”,“类似”],
'从'=>['S100','>=']获得100分,
'得分100分至'=>['S100','='],
'得分20分到'=>['S20','='],
“rating_to_select”=>[“wine_rating”,“将从“query_posts()”中删除“$args”,并将其添加到“meta_query=>$args=array”(“解决问题”?我已将代码更改为“query_posts”(array('post_type'=>'wine note','posts per_page'=>'10','paged'=>$paged,'meta_query'=>$args=array()))但不好!我在上面的代码中将“metaquery”改为“meta_query”,它工作起来很有魅力!!!