php - 如何将变量从一个页面上的输入框传递到另一个页面并使用此信息在第 2 页上执行搜索？

Question

我确信这个问题的答案很简单，但我是一个 php/javascript 菜鸟，因此我的问题。前三段代码，以“echo $_POST['new_search_text'];”结尾，在视觉上完美地工作，但现在我想弄清楚如何让第一部分表单中输入的输入传递并用于搜索条件在我的搜索页面上（搜索页面代码以“{include file='header.tpl'}”开头并以“{include file='footer.tpl'}”结尾）。我想要它，所以传递的信息会自动在搜索页面上搜索，就好像我直接在那里输入并点击“搜索”，然后让它在搜索页面上显示结果一样。我正在使用 smarty 模板，并且还包含了我的搜索页面中的主干 PHP 代码（以 "$page = "search";

谢谢！！

    <form id="searchForm" action="./search.php" method="post">
        <input type="text" name="new_search_text" value="">
        <input type="submit" value="Search">
        <input type="submit" value="Cancel" onclick="showSearchLink();return false;">
    </form>
    <a id="searchLink" class="button_link_main" href="./search.php" onclick="showSearchForm();return false;">Link</a>


    function showSearchForm() {
        // show the form by setting style="display:inline"
        document.getElementById('searchForm').style.display = 'inline';
        // hide the link by setting style="display:none"
        document.getElementById('searchLink').style.display = 'none';
    }

    function showSearchLink() {
        // hide the form
        document.getElementById('searchForm').style.display = 'none';
        // show the link
        document.getElementById('searchLink').style.display = 'inline';
    }

    <?php
    echo $_POST['new_search_text'];
    ?>



{include file='header.tpl'}

<img src='./images/icons/search48.gif' border='0' class='icon_big'>
<div class='page_header'>Search Avulsion Net</div>
<div>{lang_print id=924}</div>
<br />
<br />

<form action='search.php' name='search_form' method='post'>
<table cellpadding='0' cellspacing='0' align='center'>
<tr>
<td class='search'>
  <table cellpadding='0' cellspacing='0' align='center'>
  <tr>
  <td>{lang_print id=925}</td>
  <td>&nbsp;<input style='background-color:#CCCCCC' type='text' size='30' class='text' name='search_text' id='search_text' value='{$search_text}' maxlength='100'></td>
  <td>
    &nbsp;<input type='submit' class='button' value='{lang_print id=646}'>
    <input type='hidden' name='task' value='dosearch'>
    <input type='hidden' name='t' value='0'>
  </td>
  </tr>
  <tr>
  <td>&nbsp;</td>
  <td colspan='2'>&nbsp;<b>-=<a href='search_advanced.php'>Browse Members</a>=-</b></td>
  </tr>
  </table>
</div>
</form>
</td>
</tr>
</table>

<br>

{if $search_text != ""}

  {if $is_results == 0}

    <table cellpadding='0' cellspacing='0' align='center'>
    <tr>
    <td class='result'>
      <img src='./images/icons/bulb16.gif' class='icon'>
      {lang_sprintf id=927 1=$search_text}
    </td>
    </tr>
    </table>

  {else}


    {* SHOW DIFFERENT RESULT TOTALS *}
    <table class='tabs' cellpadding='0' cellspacing='0'>
    <tr>
    <td class='tab0'>&nbsp;</td>
      {section name=search_loop loop=$search_objects}
        <td class='tab{if $t == $search_objects[search_loop].search_type}1{else}2{/if}' NOWRAP>{if $search_objects[search_loop].search_total == 0}{lang_sprintf id=$search_objects[search_loop].search_lang 1=$search_objects[search_loop].search_total}{else}<a href='search.php?task=dosearch&search_text={$url_search}&t={$search_objects[search_loop].search_type}'>{lang_sprintf id=$search_objects[search_loop].search_lang 1=$search_objects[search_loop].search_total}</a>{/if}</td>
        <td class='tab'>&nbsp;</td>
      {/section}
      <td class='tab3'>&nbsp;</td>
    </tr>
    </table>

    <div class='search_results'>

      {* SHOW PAGES *}
      {if $p != 1}<a href='search.php?task=dosearch&search_text={$url_search}&t={$t}&p={math equation='p-1' p=$p}'>&#171; {lang_print id=182}</a> &nbsp;|&nbsp;&nbsp;{/if}
      {if $p_start == $p_end}
        <b>{lang_sprintf id=184 1=$p_start 2=$total_results}</b> ({lang_sprintf id=928 1=$search_time}) 
      {else}
        <b>{lang_sprintf id=185 1=$p_start 2=$p_end 3=$total_results}</b> ({lang_sprintf id=928 1=$search_time}) 
      {/if}
      {if $p != $maxpage}&nbsp;&nbsp;|&nbsp; <a href='search.php?task=dosearch&search_text={$url_search}&t={$t}&p={math equation='p+1' p=$p}'>{lang_print id=183} &#187;</a>{/if}

      <br><br>

      {* SHOW RESULTS *}
      {section name=result_loop loop=$results}

    <div class='search_result{cycle name="class_name" values="1,2,2,1"}' style='width: 400px; float: left; border: 1px solid #CCCCCC; margin: 5px;'>
    <table cellpadding='0' cellspacing='0'>
        <tr>
        <td valign='top' style='padding-right: 4px;'>
      <a href="{$results[result_loop].result_url}" class="title"><img src='{$results[result_loop].result_icon}' class='photo' width='60' height='60' border='0'></a>
    </td>
    <td valign='top'>
          <div class='search_result_text'>
        {capture assign='result_title'}{lang_sprintf id=$results[result_loop].result_name 1=$results[result_loop].result_name_1}{/capture}
            <a href="{$results[result_loop].result_url}" class="title">{$result_title|truncate:40:"...":true}</a>
            <div class='search_result_text2'>{lang_sprintf id=$results[result_loop].result_desc 1=$results[result_loop].result_desc_1 2=$results[result_loop].result_desc_2 3=$results[result_loop].result_desc_3}</div>
        {if $results[result_loop].result_online == 1}<div style='margin-top: 5px;'><img src='./images/icons/online16.gif' border='0' class='icon'>{lang_print id=929}</div>{/if}
          </div>
    </td>
    </tr>
    </table>
    </div>
        {cycle name="clear_cycle" values=",<div style='clear: both; height: 0px;'></div>"}
      {/section}

      <div style='clear:both;'></div><br />

      {* SHOW PAGES *}
      {if $p != 1}<a href='search.php?task=dosearch&search_text={$url_search}&t={$t}&p={math equation='p-1' p=$p}'>&#171; {lang_print id=182}</a> &nbsp;|&nbsp;&nbsp;{/if}
      {if $p_start == $p_end}
        <b>{lang_sprintf id=184 1=$p_start 2=$total_results}</b> ({lang_sprintf id=928 1=$search_time}) 
      {else}
        <b>{lang_sprintf id=185 1=$p_start 2=$p_end 3=$total_results}</b> ({lang_sprintf id=928 1=$search_time}) 
      {/if}
      {if $p != $maxpage}&nbsp;&nbsp;|&nbsp; <a href='search.php?task=dosearch&search_text={$url_search}&t={$t}&p={math equation='p+1' p=$p}'>{lang_print id=183} &#187;</a>{/if}


    </div>
  {/if}
{/if}


{* JAVASCRIPT TO AUTOFOCUS ON SEARCH FIELD *}
{literal}
<script type="text/javascript">
<!-- 
  window.addEvent('load', function(){ $('search_text').focus(); });
//-->
</script>
{/literal}


{include file='footer.tpl'}



<?php

$page = "search";
include "header.php";

// DISPLAY ERROR PAGE IF USER IS NOT LOGGED IN AND ADMIN SETTING REQUIRES REGISTRATION
if($user->user_exists == 0 && $setting['setting_permission_search'] == 0)
{
  $page = "error";
  $smarty->assign('error_header', 639);
  $smarty->assign('error_message', 656);
  $smarty->assign('error_submit', 641);
  include "footer.php";
}

if(isset($_POST['task'])) { $task = $_POST['task']; } elseif(isset($_GET['task'])) { $task = $_GET['task']; } else { $task = "main"; }
if(isset($_POST['p'])) { $p = (int) $_POST['p']; } elseif(isset($_GET['p'])) { $p = (int) $_GET['p']; } else { $p = 1; }
if(isset($_POST['search_text'])) { $search_text = $_POST['search_text']; } elseif(isset($_GET['search_text'])) { $search_text = $_GET['search_text']; } else { $search_text = ""; }
if(isset($_POST['t'])) { $t = $_POST['t']; } elseif(isset($_GET['t'])) { $t = $_GET['t']; } else { $t = 0; }

// SET VARS
$results_per_page = 20;
$results = Array();
$total_results = 0;
$is_results = 0;
$object_count = 0;
$search_objects = Array();
$is_next_page = 0;
if($p < 1) { $p = 1; }



// DO SEARCH
if($task == "dosearch" && $search_text != "")
{
  // START SEARCH TIMER
  $start_timer = getmicrotime();

  // SEARCH PROFILES
  search_profile();

  // CALL SEARCH HOOK
  ($hook = SE_Hook::exists('se_search_do')) ? SE_Hook::call($hook, array()) : NULL;

  // GET GRAND TOTAL RESULTS
  for($r=0;$r<count($search_objects);$r++)
  {
    if($search_objects[$r][search_total] != 0)
    { 
      if($total_results == 0) { header("Location: search.php?task=dosearch&search_text=".urlencode($search_text)."&t=".$search_objects[$r]['search_type']); exit(); }
      $is_results = 1; 
    }
  }

  // END TIMER
  $end_timer = getmicrotime();
  $search_time = round($end_timer - $start_timer, 3); 

  // CHECK TO SEE IF THERE IS A "NEXT PAGE"
  if(count($results) > $results_per_page)
  { 
    $is_next_page = 1;
    while(count($results) > $results_per_page)
    {
      array_pop($results);
    }
  }

  // IF TOTAL RESULTS IS MORE THAN 200, CHANGE TO 200+
  if($total_results > 200)
  { 
    if($is_next_page == 1) { $maxpage = $p+1; } else { $maxpage = $p; }
    $total_results = "200+";
  }
  else
  {
    if(($total_results % $results_per_page) != 0) { $maxpage = ($total_results) / $results_per_page + 1; } else { $maxpage = ($total_results) / $results_per_page; }
    $maxpage = (int) $maxpage; 
  }

  // IF RESULTS IS EMPTY AND PAGE ISN'T 1, DISPLAY NOTHING
  if(count($results) == 0 && $p != 1) { $search_text = ""; }
}



// SET THE GLOBAL PAGE TITLE
$global_page_title[0] = 646;
$global_page_description[0] = 924;


// ASSIGN SMARTY VARIABLES AND INCLUDE FOOTER
$smarty->assign('search_text', $search_text);
$smarty->assign('url_search', urlencode($search_text));
$smarty->assign('is_results', $is_results);
$smarty->assign('results', $results);
$smarty->assign('total_results', $total_results);
$smarty->assign('search_objects', $search_objects);
$smarty->assign('search_time', $search_time);
$smarty->assign('maxpage', $maxpage);
$smarty->assign('t', $t);
$smarty->assign('p', $p);
$smarty->assign('p_start', (($p-1)*$results_per_page)+1);
$smarty->assign('p_end', (($p-1)*$results_per_page)+count($results));
include "footer.php";
?>

score 0 · Accepted Answer

可能有几种方法可以实现这一点。一种方法是编写一个 javascript 函数来检查 POST var 'new_search_text' 的存在，然后以编程方式将此字符串放入搜索框中，如果找到则提交表单。

<script>
  function checkForAutoSearch()
  {
    var searchString = <?php echo (!empty($_POST['new_search_term'])) ? $_POST['new_search_term'] : ''; ?>;

    if (searchString)
    {
      // put searchString into the second search field
      document.getElementById('search_text').value = searchString;

      // up in your search form, assign the form tag an id first: id="search_form"
      // then submit the form:
      document.getElementById('search_form').submit();
    }
  }

  // now fire this function whenever the page loads
  window.onload = checkForAutoSearch;
</script>

在旁注中，您提到您不能使用 jQuery，而是在 js 代码中将自动焦点设置到您正在使用 jQuery 的搜索字段。如果您需要删除 jQuery，您可能需要查找设置焦点的直接 javascript 方式。

score 0 · Accepted Answer

@john-mcmahon 好的，这是我在 search2.tpl 中输入的代码（我使用 Smarty 模板）。第二个代码位是第一页上的搜索表单，第三个代码位是第二页的相关搜索表单。它不会出错，当我输入搜索查询并单击提交时，它会转到搜索页面，但它不会搜索输入的文本或做任何事情，除了可能刷新自身......有什么想法吗？

<script type="text/javascript">
<!-- 
  function checkForAutoSearch()
  {
    var searchString = <?php echo (!empty($_POST['new_search_text'])) ? $_POST['new_search_text'] : ''; ?>;

    if (searchString)
    {
      // put searchString into the second search field
      document.getElementById('search_text').value = searchString;

      // up in your search form, assign the form tag an id first: id="search_form_new"
      // then submit the form:
      document.getElementById('search_form_new').submit();
    }
  }

  // now fire this function whenever the page loads
  window.onload = checkForAutoSearch;
//-->
</script>




<form id="searchForm_newsearch" action="./search2.php" method="post"><input type="text" name="new_search_text" value=""><input type="submit" value="Search"><input type="submit" value="Cancel" onclick="showSearchLink();return false;"></form><a id="searchLink" class="button_link_main" href="./search2.php" onclick="showSearchForm();return false;"><img src="/images/search.png" onmouseover="this.src='/images/searchsite_hover.png'" onmouseout="this.src='/images/search.png'" /></a>




<form id="search_form_new" action='search2.php' name='search_form' method='post'>
<table cellpadding='0' cellspacing='0' align='center'>
<tr>
<td class='search'>
  <table cellpadding='0' cellspacing='0' align='center'>
  <tr>
  <td>{lang_print id=925}</td>
  <td>&nbsp;<input style='background-color:#CCCCCC' type='text' size='30' class='text' name='search_text' id='search_text' value='{$search_text}' maxlength='100'></td>
  <td>
    &nbsp;<input type='submit' class='button' value='{lang_print id=646}'>
    <input type='hidden' name='task' value='dosearch'>
    <input type='hidden' name='t' value='0'>
  </td>
  </tr>
  <tr>
  <td>&nbsp;</td>
  <td colspan='2'>&nbsp;<b>-=<a href='search_advanced.php'>Browse Members</a>=-</b></td>
  </tr>
  </table>
</div>
</form>

php - 如何将变量从一个页面上的输入框传递到另一个页面并使用此信息在第 2 页上执行搜索？

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