Question

我希望根据复选框选择，使用或不使用多个类别进行mysqli全文搜索。

搜索基于同一列中的四个类别。

搜索类别包括Windows，游戏，平板电脑，手机。

通过复选框选择搜索选择的类别/多个类别应仅针对所选类别进行。

表格结构

id  category   title                date ...
1   windows    windows7             d1  ...
2   games      windows games        d2  ...
3   tablet     windows tablet       d3  ...
4   mobile     windows mobile       d4  ...
5   windows    windows8             d5  ...
6   windows    windows vista        d6  ...

搜索复选框

搜索

  <li><label><input name="all" type="checkbox" checked="checked" />All</label></li>
  <li><label><input name="windows" type="checkbox" />Windows OS</label></li>
  <li><label><input name="mobile" type="checkbox" />Windows Mobile</label></li>
  <li><label><input name="games" type="checkbox" />Windows Games</label></li>
  <li><label><input name="tablet" type="checkbox" />Windows Tablet</label></li>

示例1：

Search for 'windows' should return result as

windows7
windows8 
windows vista

When only checkbox windows is checked

示例2：

Search for 'windows' should return result as

windows7
windows8 
windows vista
windows games

When checkbox windows and games are checked.

我已经提出了一个查询，但根本没有查询。

$query = "SELECT * FROM $table WHERE ";
$query .= "category='' ";
$query .= "OR category='windows' ";
$query .= "OR category='games' ";
$query .= "OR category='mobile' ";
$query .= "OR category='tablet' ";

$query .= " AND MATCH (title) AGAINST ('+$keyword*' IN BOOLEAN MODE) ORDER by id desc, title desc LIMIT 10";

我也尝试过这样但不起作用。

$query = "SELECT * FROM $table WHERE ";
$query .= "MATCH (category) AGAINST ('' IN BOOLEAN MODE) ";
$query .= "OR MATCH (category) AGAINST ('windows' IN BOOLEAN MODE) ";
$query .= "OR MATCH (category) AGAINST ('games' IN BOOLEAN MODE) ";
$query .= "OR MATCH (category) AGAINST ('mobile' IN BOOLEAN MODE) ";
$query .= "OR MATCH (category) AGAINST ('tablet' IN BOOLEAN MODE) ";

$query .= " AND MATCH (title) AGAINST ('+$keyword*' IN BOOLEAN MODE) ORDER by id desc, title desc LIMIT 10";

请查看其无效的原因，并建议如何对所选字段进行搜索查询。

感谢。

Answer 1

SELECT * FROM table WHERE MATCH (field1, field2, field3, field4) 
                          AGAINST ('keyword' IN BOOLEAN MODE)

似乎是你需要的。

但是您的查询对SQL注入是开放的。

现在可以回答。所以，这里有一个基于safeMysql的解决方案（因为原始的mysqli需要太多的代码）

$sql  = "SELECT * FROM ?n WHERE category IN(?a) 
          AND MATCH (title) AGAINST (?s IN BOOLEAN MODE) ORDER by id desc LIMIT 10";
$data = $db->($sql,$table,$_GET['category'], $_GET['keyword']);

请注意，您必须将复选框字段称为

<input name="category[]" value="windows" type="checkbox" />

MySQLi全文搜索多列类别

1 个答案: