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$arrSearch = explode(" ", $_POST['search']);
foreach($arrSearch as $value)
{
if($value!='')
{
$strSearch .= "AND name LIKE '%".$value."%' ";
}else{
$strSearch =$strSearch;
}
}
$sql = sprintf("select * from product where %s",ltrim($strSearch,"AND"));
AND name LIKE '%%' AND name LIKE '%%' AND name LIKE '%山东%' AND name LIKE '%%' AND name LIKE '%%' AND name LIKE '%滨州%' AND name LIKE '%移动%'
$str = str_replace(' ','%',$str);
select * from product where name like '$str';