如何使用带有XML属性名称的AJAX livesearch

时间:2018-07-16 09:42:43

标签: javascript php ajax xml parsing

我正在尝试修改并使用此AJAX live search example来使用PHP从XML文件获取值。

这是工作代码示例:

javascript:

//table//tr/th[text() = 'New']/count(preceding-sibling::th) + 1

html:

function showResult(str) {
  if (str.length==0) { 
    document.getElementById("livesearch").innerHTML="";
    document.getElementById("livesearch").style.border="0px";
    return;
  }
  if (window.XMLHttpRequest) {
    // code for IE7+, Firefox, Chrome, Opera, Safari
    xmlhttp=new XMLHttpRequest();

  xmlhttp.onreadystatechange=function() {
    if (this.readyState==4 && this.status==200) {
      document.getElementById("livesearch").innerHTML=this.responseText;
      document.getElementById("livesearch").style.border="1px solid #A5ACB2";
    }
  }
  xmlhttp.open("GET","livesearch.php?q="+str,true);
  xmlhttp.send();
}

php(livesearch.php):

<form>
<input type="text" size="30" onkeyup="showResult(this.value)">
<div id="livesearch"></div>
</form>

所以,我试图从XML文件中获取结果,该XML文件具有与示例不同的结构,并且看起来更加苗条:

xml(links.xml):

$xmlDoc=new DOMDocument();
$xmlDoc->load("links.xml");

$x=$xmlDoc->getElementsByTagName('link');

//get the q parameter from URL
$q=$_GET["q"];

//lookup all links from the xml file if length of q>0
if (strlen($q)>0) {
  $hint="";
  for($i=0; $i<($x->length); $i++) {
    $y=$x->item($i)->getElementsByTagName('title');
    $z=$x->item($i)->getElementsByTagName('url');
    if ($y->item(0)->nodeType==1) {
      //find a link matching the search text
      if (stristr($y->item(0)->childNodes->item(0)->nodeValue,$q)) {
        if ($hint=="") {
          $hint="<a href='" . 
          $z->item(0)->childNodes->item(0)->nodeValue . 
          "' target='_blank'>" . 
          $y->item(0)->childNodes->item(0)->nodeValue . "</a>";
        } else {
          $hint=$hint . "<br /><a href='" . 
          $z->item(0)->childNodes->item(0)->nodeValue . 
          "' target='_blank'>" . 
          $y->item(0)->childNodes->item(0)->nodeValue . "</a>";
        }
      }
    }
  }
}

// Set output to "no suggestion" if no hint was found
// or to the correct values
if ($hint=="") {
  $response="no suggestion";
} else {
  $response=$hint;
}

//output the response
echo $response;

here中,我尝试使用<table name="set"> <column name="the_title">Title</column> <column name="unit_url">example.com</column> </table> ,但无法将其付诸实践...

如何使用实时搜索显示按属性收集的数据?

0 个答案:

没有答案