魔扣科技

最近魔扣科技给某个客户定制一个关于数据下载的wordpress模板，需要使用erphpdown收费下载插件，其中要实现这样一个页面：多字段筛选。

效果如下：（这里只列出3项自定义字段）

筛选界面代码如下：

1. <div class="filters">
   
2. <div class="filter-item">
   
3. 数据标价：<a href="<?php echo add_query_arg("price","all",selfURL())?>" class="<?php if(!isset($_GET['price']) || $_GET['price'] == 'all') echo 'on';?>">全部</a> <a href="<?php echo add_query_arg("price","free",selfURL())?>" class="<?php if($_GET['price'] == 'free') echo 'on';?>">免费</a> <a href="<?php echo add_query_arg("price","fee",selfURL())?>" class="<?php if($_GET['price'] == 'fee') echo 'on';?>">付费</a>
   
4. </div>
   
5. <div class="filter-item">
   
6. 数据来源：<a href="<?php echo add_query_arg("from","all",selfURL())?>" class="<?php if(!isset($_GET['from']) || $_GET['from'] == 'all') echo 'on';?>">全部</a> <a href="<?php echo add_query_arg("from","data",selfURL())?>" class="<?php if($_GET['from'] == 'data') echo 'on';?>">引力数据</a> <a href="<?php echo add_query_arg("from","organization",selfURL())?>" class="<?php if($_GET['from'] == 'organization') echo 'on';?>">机构</a> <a href="<?php echo add_query_arg("from","internet",selfURL())?>" class="<?php if($_GET['from'] == 'internet') echo 'on';?>">互联网</a> <a href="<?php echo add_query_arg("from","personal",selfURL())?>" class="<?php if($_GET['from'] == 'personal') echo 'on';?>">个人</a>
   
7. </div>
   
8. <div class="filter-item">
   
9. 数据大小：<a href="<?php echo add_query_arg("size","0",selfURL())?>" class="<?php if(!isset($_GET['size']) || $_GET['size'] == '0') echo 'on';?>">全部</a> <a href="<?php echo add_query_arg("size","1",selfURL())?>" class="<?php if($_GET['size'] == '1') echo 'on';?>">100M以下</a> <a href="<?php echo add_query_arg("size","2",selfURL())?>" class="<?php if($_GET['size'] == '2') echo 'on';?>">100M-500M</a> <a href="<?php echo add_query_arg("size","3",selfURL())?>" class="<?php if($_GET['size'] == '3') echo 'on';?>">500M-1G</a> <a href="<?php echo add_query_arg("size","4",selfURL())?>" class="<?php if($_GET['size'] == '4') echo 'on';?>">1G以上</a>
   
10. </div>
    
11. </div>

复制代码

筛选功能部分代码如下：

1. $paged = (get_query_var('paged')) ? get_query_var('paged') : 1;
   
2. $metaArray = array(); //自定义字段数组by Morko
   
3. 
   
4. if(isset($_GET['price'])){
   
5. if($_GET['price'] == 'free'){
   
6. $array_temp = array('key' => 'down_price', 'value'=>'0', 'compare'=>'=');
   
7. array_push($metaArray,$array_temp);
   
8. }elseif($_GET['price'] == 'fee'){
   
9. $array_temp = array('key' => 'down_price', 'value'=>'0', 'compare'=>'>');
   
10. array_push($metaArray,$array_temp);
    
11. }
    
12. }
    
13. 
    
14. if(isset($_GET['from'])){
    
15. $array_temp = array('key' => 'down_from', 'value'=>$_GET['from'], 'compare'=>'=');
    
16. array_push($metaArray,$array_temp);
    
17. }
    
18. 
    
19. if(isset($_GET['size'])){
    
20. if($_GET['size'] == '1'){
    
21. $array_temp = array('key' => 'down_size', 'value'=>'100', 'type' => 'numeric', 'compare'=>'<');
    
22. array_push($metaArray,$array_temp);
    
23. }if($_GET['size'] == '2'){
    
24. $array_temp = array('key' => 'down_size', 'value'=>array( 100, 500 ), 'type' => 'numeric', 'compare'=>'BETWEEN');
    
25. array_push($metaArray,$array_temp);
    
26. }
    
27. }
    
28. 
    
29. 
    
30. $args = array(
    
31. 'order' => DESC,
    
32. 'caller_get_posts' => 1,
    
33. 'meta_query' => $metaArray,
    
34. 'paged' => $paged
    
35. );
    
36. 
    
37. query_posts($args);

复制代码

看了我的代码，相信你脑洞大开，妈妈再也不用担心你的多重筛选了~~

另外，之前也给另一个客户基于Mohtml主题开发了一个评分的功能，弄了一个评分筛选小工具，小工具选项：

部分代码如下，没有上面的代码方便，不过也可以参考：

1. $order = "DESC";
   
2. $orderby = 'date';
   
3. $meta_key = '';
   
4. 
   
5. if($review_order == 'review_desc'){
   
6. $orderby = 'meta_value_num';
   
7. $meta_key = 'review_'.$show_style;
   
8. 
   
9. }elseif($review_order == 'review_asc'){
   
10. $order = 'ASC';
    
11. $orderby = 'meta_value_num';
    
12. $meta_key = 'review_'.$show_style;
    
13. 
    
14. }elseif($review_order == 'date_asc'){
    
15. $order = 'ASC';
    
16. }elseif($review_order == 'random'){
    
17. $orderby = 'rand';
    
18. }
    
19. 
    
20. if($show_date == '7'){
    
21. $args = array(
    
22. 'order' => $order,
    
23. 'orderby' => $orderby,
    
24. 'meta_key' => $meta_key,
    
25. 'meta_query' => array(
    
26. array('key'=>'review_type','value'=>$type, 'compare'=>'IN'),
    
27. ),
    
28. 'date_query' => array(
    
29. array(
    
30. 'after' => '1 week ago'
    
31. )
    
32. ),
    
33. 'showposts' => $limit,
    
34. 'caller_get_posts' => 1
    
35. );
    
36. }elseif($show_date == '30'){
    
37. $args = array(
    
38. 'order' => $order,
    
39. 'orderby' => $orderby,
    
40. 'meta_key' => $meta_key,
    
41. 'meta_query' => array(
    
42. array('key'=>'review_type','value'=>$type, 'compare'=>'IN'),
    
43. ),
    
44. 'date_query' => array(
    
45. array(
    
46. 'after' => '1 month ago'
    
47. )
    
48. ),
    
49. 'showposts' => $limit,
    
50. 'caller_get_posts' => 1
    
51. );
    
52. }elseif($show_date == '183'){
    
53. $args = array(
    
54. 'order' => $order,
    
55. 'orderby' => $orderby,
    
56. 'meta_key' => $meta_key,
    
57. 'meta_query' => array(
    
58. array('key'=>'review_type','value'=>$type, 'compare'=>'IN'),
    
59. ),
    
60. 'date_query' => array(
    
61. array(
    
62. 'after' => '6 month ago'
    
63. )
    
64. ),
    
65. 'showposts' => $limit,
    
66. 'caller_get_posts' => 1
    
67. );
    
68. }elseif($show_date == '30'){
    
69. $args = array(
    
70. 'order' => $order,
    
71. 'orderby' => $orderby,
    
72. 'meta_key' => $meta_key,
    
73. 'meta_query' => array(
    
74. array('key'=>'review_type','value'=>$type, 'compare'=>'IN'),
    
75. ),
    
76. 'date_query' => array(
    
77. array(
    
78. 'after' => '1 year ago'
    
79. )
    
80. ),
    
81. 'showposts' => $limit,
    
82. 'caller_get_posts' => 1
    
83. );
    
84. }else{
    
85. $args = array(
    
86. 'order' => $order,
    
87. 'orderby' => $orderby,
    
88. 'meta_key' => $meta_key,
    
89. 'meta_query' => array(
    
90. array('key'=>'review_type','value'=>$type, 'compare'=>'IN'),
    
91. ),
    
92. 'showposts' => $limit,
    
93. 'caller_get_posts' => 1
    
94. );
    
95. }
    
96. query_posts($args);

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