-- 发布时间：2/21/2008 12:10:00 PM
-- 这个雅虎的查询功能到底该怎么实现啊？
下面这段程序怎么才能正常使用啊？
/* yj_search_api.js
*
* Yahoo! JAPAN Search javascript Ver1.0(2005/11/30)
*
*/
<script>
function Yahoo_Search() {}
Yahoo_Search.baseURL = function () {
return "http://api.search.yahoo.co.jp/WebSearchService/V1/";
}
Yahoo_Search.appid = function () {
return "saikeina";
}
Yahoo_Search.baseArgs = function () {
return "appid=" + this.appid();
}
Yahoo_Search.Results = function (args) {
var xmlUrl = this.baseURL() + "webSearch?"
+ this.baseArgs()
+ "&query=" + args["Doc"]
+ "&language=ja"
+ "&country=jp"
+ "&start=" + args["First"]
+ "&results=" + args["Count"];
var xmlhttp = createXmlHttp();
xmlhttp.open("GET", xmlUrl, false);
xmlhttp.send(null);
return this.readXML(xmlhttp.responseXML);
}
Yahoo_Search.readXML = function (xmlDoc) {
try {
var retVal = new Array();
var resultSet = xmlDoc.getElementsByTagName("ResultSet")[0];
var totalResultsAvailable = parseInt(resultSet.getAttribute("totalResultsAvailable"));
var totalResultsReturned = parseInt(resultSet.getAttribute("totalResultsReturned"));
var firstResultPosition = parseInt(resultSet.getAttribute("firstResultPosition"));
var start = firstResultPosition;
var end = firstResultPosition + totalResultsReturned - 1;
var results = xmlDoc.getElementsByTagName("Result");
for (var i = 0; i < results.length; i++) {
var result = results[i];
var title = result.getElementsByTagName('Title')[0].firstChild.nodeValue;
var summary = '';
if (result.getElementsByTagName('Summary')[0].firstChild) {
summary = result.getElementsByTagName('Summary')[0].firstChild.nodeValue;
}
var clickUrl = result.getElementsByTagName('ClickUrl')[0].firstChild.nodeValue;
var url = result.getElementsByTagName('Url')[0].firstChild.nodeValue;
retVal[i] = { I: start + i, Title: title, Summary: summary, ClickUrl: clickUrl, Url: url };
}
return retVal;
} catch(exception) {
alert('Exception occurred while reading XML (i=' + i + '; start=' + start + ';end=' + end + '): ' + exception);
}
}
function createXmlHttp() {
xmlhttp = false;
try {
xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
MSXMLHTTP = true;
} catch (e) {
try {
xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
MSXMLHTTP = true;
} catch (E) {
xmlhttp = false;
}
}
if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
xmlhttp = new XMLHttpRequest();
}
return xmlhttp;
}
<script/>
我写成下面这样子了，可是一执行就把上面那段程序显示到页面上了，真奇怪！
<html>
<head>
<title>My Search</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
</head>
<body style="text-align: center;">
<p style="margin:0 auto;"> </p>
<p style="margin:0 auto;">
<!-- Begin Yahoo! JAPAN Web Services Attribution Snippet -->
<a><img src="http://i.yimg.jp/images/yjdn/yjdn_attbtn2_105_17.gif" width="105" height="17" title="Webサービス by Yahoo! JAPAN" alt="Webサービス by Yahoo! JAPAN" border="0" style="margin:15px 15px 15px 15px"></a>
<!-- End Yahoo! JAPAN Web Services Attribution Snippet -->
</p>
<form method="post" action="search.js" name="form1">
<div style="margin:0 auto;">
<input type="text" name="word">
<input type="submit" name="Submit" value="SEARCH">
<input type="hidden" name="page" value="1">
</div>
</form>
<script>/* yj_search_api.js
*
* Yahoo! JAPAN Search javascript Ver1.0(2005/11/30)
*
*/
function Yahoo_Search() {}
Yahoo_Search.baseURL = function () {
return "http://api.search.yahoo.co.jp/WebSearchService/V1/";
}
Yahoo_Search.appid = function () {
return "saikeina";
}
Yahoo_Search.baseArgs = function () {
return "appid=" + this.appid();
}
Yahoo_Search.Results = function (args) {
var xmlUrl = this.baseURL() + "webSearch?"
+ this.baseArgs()
+ "&query=" + args["Doc"]
+ "&language=ja"
+ "&country=jp"
+ "&start=" + args["First"]
+ "&results=" + args["Count"];
var xmlhttp = createXmlHttp();
xmlhttp.open("GET", xmlUrl, false);
xmlhttp.send(null);
return this.readXML(xmlhttp.responseXML);
}
Yahoo_Search.readXML = function (xmlDoc) {
try {
var retVal = new Array();
var resultSet = xmlDoc.getElementsByTagName("ResultSet")[0];
var totalResultsAvailable = parseInt(resultSet.getAttribute("totalResultsAvailable"));
var totalResultsReturned = parseInt(resultSet.getAttribute("totalResultsReturned"));
var firstResultPosition = parseInt(resultSet.getAttribute("firstResultPosition"));
var start = firstResultPosition;
var end = firstResultPosition + totalResultsReturned - 1;
var results = xmlDoc.getElementsByTagName("Result");
for (var i = 0; i < results.length; i++) {
var result = results[i];
var title = result.getElementsByTagName('Title')[0].firstChild.nodeValue;
var summary = '';
if (result.getElementsByTagName('Summary')[0].firstChild) {
summary = result.getElementsByTagName('Summary')[0].firstChild.nodeValue;
}
var clickUrl = result.getElementsByTagName('ClickUrl')[0].firstChild.nodeValue;
var url = result.getElementsByTagName('Url')[0].firstChild.nodeValue;
retVal[i] = { I: start + i, Title: title, Summary: summary, ClickUrl: clickUrl, Url: url };
}
return retVal;
} catch(exception) {
alert('Exception occurred while reading XML (i=' + i + '; start=' + start + ';end=' + end + '): ' + exception);
}
}
function createXmlHttp() {
xmlhttp = false;
try {
xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
MSXMLHTTP = true;
} catch (e) {
try {
xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
MSXMLHTTP = true;
} catch (E) {
xmlhttp = false;
}
}
if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
xmlhttp = new XMLHttpRequest();
}
return xmlhttp;
}
</script>
</body>
</html>