Question

当我搜索单词“apple”时，脚本按以下顺序显示结果：

（1）appletree （2）juiceapple （3）苹果

但我想按以下顺序重新排序搜索结果：

（1）苹果（2）appletree （3）juiceapple

正如您所看到的，上面的顺序正是我想要的结果显示根据搜索的术语“苹果”

//get date
$button = $_GET['submit'];
$search = $_GET['search'];

if (!$button)
   echo "Please fill out the form";
else
{
    if (strlen($search)<=2)
   echo "The item you searched for was to small";
    else
   {
     echo "You searched for <b>$search</b> <hr size='1'>";

     //connect to database

     mysql_connect('localhost','wnumber','passowrd');
     mysql_select_db('wnumber');


 //explode search term
           $search_exploded = explode(" ",$search);
           foreach($search_exploded as $search_each)
{
    $str = mysql_real_escape_string(substr($search_each, 0, 4));
    //construct query
    $x++;
    if ($x==1) $construct .= "keywords LIKE '$str%'";
    else       $construct .= " OR keywords LIKE '$str%'";
}




     //echo out construct
    $construct = "SELECT * FROM word WHERE $construct";
    $run = mysql_query($construct);
     $foundnum = mysql_num_rows($run);

     if ($foundnum==0)
        echo "No results found.";
     else
     {

       echo "$foundnum results found.<p><hr size='1'>";

       while ($runrows = mysql_fetch_assoc($run))
       {


        //get data
       $meaning = $runrows['meaning'];
       $keywords = $runrows['keywords'];

        echo "<b>$keywords</b><br>
       <b>$meaning</b><br>

       }

     }



    }
}

Answer 1

按asc

使用订单

$ construct =＆＃34; SELECT * FROM word WHERE $ construct ORDER BY [Field name from you ascend your search] ASC＆＃34 ;;

Answer 2

尝试

ORDER BY关键字Asc

获得所需的结果

Answer 3

使用ORDER BY keywords ASC它会按预期为您提供适当的结果。

Answer 4

如果你对长度的关注意味着尝试LENGTH()

，那么除了升序

$construct = "SELECT * FROM word WHERE $construct order by LENGTH(`keywords`)

Answer 5

我假设您每行都有多个关键字。您将获得所有这些结果，因为您正在搜索包含单词apple的任何单词。

要先获得准确的结果，然后只获得包含该单词的结果，请按以下方式执行：

搜索与完全匹配的结果
搜索包含字“apple”

结果
由于每行都有多个关键字，因此无法使用=运算符。但是，您必须在表格中使用一些separator来将关键字彼此分开。我们假设它是“”（空白）。

因此，如果您的表格和列“关键字”看起来像这样，例如

| id | name | keywords | | 1 | apple | apple fruit sweet |

您可以搜索以下结果：

SELECT * FROM table t1 WHERE keywords LIKE "% $keyword %" /* Notice whitespaces around the variable */ OR keywords LIKE "$keyword %" /* This is for keywords that arent separated from left */ OR keywords LIKE "% $keyword" /* This is for keywords that arent separated from right */ UNION DISTINCT /* Distinct is there because we want to show every result just once */ SELECT * FROM table t1 WHERE keywords LIKE "%$keyword%"

PS：分隔符可以是任何字符串或字符，它不必是空格

如何重新排序搜索结果？

5 个答案: