Question

我构建了一个SQL查询来在网页上布置一些信息。查询效果很好。问题是while循环的每次迭代都需要CSS类自动递增1.

<div class="related-item item1">

'item1'应在下一次迭代中变为'item2'，依此类推。你能给我一些想法怎么做吗？

  <?php
  //Construct the SQL query code
  $rel = "SELECT entries.*, images.name 
          FROM entries, images
          WHERE entries.id = blog_id
          ORDER BY dateposted DESC
          LIMIT 0, 3;";
  //Send the query to the MySQL server
  $result = mysql_query($rel); 

  //Pull the row as an associative array
  while ($row = mysql_fetch_assoc($result)) {

   echo '<div class="related-item item1">
          <div class="thumbnail-wrapper">';
   echo     '<a href="#"><img src="./images/' . $row['name'] . '" alt="How SHAPE Reader Caitlin Flora Lost 182 Pounds"/></a></div>
    <h4 class="related-article-title">
      <a href="#">' . $row['subject'] . '</a>
    </h4>
  </div>';
    } //End of while loop

  ?>

Answer 1

保持计数器变量

$cnt = 1;
while(fetch from db) {
   echo "<a class='foo{$cnt}'>click me</a>";
   $cnt++;
}

产生

<a class='foo1'>click me</a>
<a class='foo2'>click me</a>
<a class='foo3'>click me</a>
etc...

但一般来说，CSS不需要这种东西。您必须为正在创建的<a>个元素中的每个元素创建一个css规则，这会非常难看和重复。 CSS中有nth-child支持，因此您可以编写＆＃34;修改＆＃34;它们自己基于哪个子元素（第1，第2，......第N）。

Answer 2

添加一个整数并递增它......

  <?php
  //Construct the SQL query code
  $rel = "SELECT entries.*, images.name 
          FROM entries, images
          WHERE entries.id = blog_id
          ORDER BY dateposted DESC
          LIMIT 0, 3;";
  //Send the query to the MySQL server
  $result = mysql_query($rel); 

$i = 1;
  //Pull the row as an associative array
  while ($row = mysql_fetch_assoc($result)) {

   echo '<div class="related-item item{$i}">
          <div class="thumbnail-wrapper">';
   echo     '<a href="#"><img src="./images/' . $row['name'] . '" alt="How SHAPE Reader Caitlin Flora Lost 182 Pounds"/></a></div>
    <h4 class="related-article-title">
      <a href="#">' . $row['subject'] . '</a>
    </h4>
  </div>';
  $i++;
    } //End of while loop

  ?>

需要用PHP正确的html渲染的想法

2 个答案: