ajax调用google API接口获取搜索结果.docx
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ajax调用google API接口获取搜索结果.docx
ajax search 功能参考:httD：/AJAX Search API一简单的Google API搜索例子首先看- 一个Java代码的例子需要两个jar的支持commons-httpclient.jar commons-codec-1.3.jarview plaincopy t。clipboardprint?import java.io.UnsupportedEncodingException;import .URLEncoder;import mons.httpcIient.DefaultHttpMethodRetryHandler;import mons.httpcIient.HttpCIient;import mons.httpclient. HttpStatus;import mons.httpclient.methods.GetMethod;import mons.httpclient.pa rams. HttpMethodParams;import org.json.JSONArray;import org.json.JSONObject;public class GoogleQuery (public GoogleQuery() throws UnsupportedEncodingException String query = URLEncoder.encode("AOP 示例+site: "UTF-8");/站内搜索 /String query = URLEncoder.encode("AOP 示例"，"UTF-8");for (int i = 0; i < 3; i+) makeQuery("+ i * 8 + "&rsz=large&v=1.0&q=" + query);private void makeQuery(String query) try HttpClient httpClient = new HttpClient();GetMethod getMethod = new GetMethod(query);httpClient.executeMethod(getMethod);getMethod.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, new DefaultHttpMethodRetryHandler();int statusCode = httpClient.executeMethod(getMethod);if (statusCode != HttpStatus.SC_OK) System.err.println("Method failed:"+ getMethod.getStatusLine();byte responseBody = getMethod.getResponseBody();String response = new String(responseBody, "UTF-8");JSONObject json = new JSONObject(response);System.out.println("Total results ="+ json.getJSONObject("responseData").getJSONObject("cursor").getString("estimatedResultCount");JSONArray ja = json.getJSONObject("responseData").getJSONArray( "results");System.out.println(" Results:");for (int i = 0; i < ja.length(); i+) (JSONObject j = ja.getJSONObject(i);System.out.printing.getString("titleNoFormatting");System.out.printing.getStringC'url");System.out.printing.get("content"); catch (Exception e) (System.err.println("Something went wrong.");e.printStackTrace();System.out.println("");public static void main(String args) (trynew GoogleQueryO; catch (UnsupportedEncodingException e) (e.printStackTrace();再来一个js的例子view plaincopy to clipboardprint?<!DOCTYPE html PUBLIC "-/W3C/DTD XHTML 1.0 Strict/EN" "http:/www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd><html xmlns="http:/www.w3.org/1999/xhtml><head><title>My Google AJAX Search API Application</title><mce:script src=" 申 请 的 key" mce_src=" 申 请 的 key" type="text/javascript'></mce:script><mce:script language="Javascript" type="text/javascript'><!-google.load("search", "1");function OnLoad() (/ Create a search controlvar searchControl = new google.search.SearchControl();/ Add in a full set of searchersvar localSearch = new google.search.LocalSearch();searchControl.addSearcher(localSearch);searchControl.addSearcher(new google.search.WebSearch();searchControl.addSearcher(new google.search.VideoSearch();searchControl.addSearcher(new google.search.BlogSearch();/ Set the Local Search center point/localSearch.setCenterPoint("New York, NY");/ Tell the searcher to draw itself and tell it where to attachsearchControl.draw(document.getElementById("searchcontrol");/ Execute an inital searchsearchControl.execute("java");google.setOnLoadCallback(OnLoad);/ -></mce:script></head><body><div id="searchcontrol">Loading.</div></body></html>补充：有问题的小程序，可以参考：“google搜出来的结果远不是4个，但为什么我用firebug调试的时候发现searcher.results.length的值为4呢？” function searchComplete(searchControl, searcher) / Do whatever you want with the resultsfor (var i=0; i < searcher.results.length; i+) function OnLoad() var searchControl = new google.search.SearchControl();var webSearch = new google.search.WebSearch();searchControl.addSearcher(webSearch);searchControl.draw(document.getElementById("searchcontrol");searchControl.setSearchCompleteCallback(this, searchComplete);searchControl.execute('Google')google.setOnLoadCallback(OnLoad);jquery google API AjaxAPI 库调用Google API的代码库，可以有效的减少自己站上的流量。比如Jquery, gzip后有19K,调用Google Api，不仅省去了 流量，如果大家的网站都这么做的话，由于缓存原因，很多网站用到的话，就不需要重复加载了，非常节省资源，和加载时间。采用Ajax动态加载google的API中jquery库的代码是这样的：view plaincopy to clipboardprint?1. <script type="text/javascript" src=".tw/jsapi"></script>2. <script type="text/javascript">3. google.load（"jquery", "1.3.2"）;/加载 jQuery 1.3.24. </script><script src=" type="text/javascript"></script>之所以采用 .tw （这里也可以更换成其他域名如google.de,google.jp之类的）是因为 有时会不稳定，就会导致加载此代码的页面打不开。实际上如果你只用到jquery的话，根据firebug （火狐下插件）给出的实际地址， 也可以直接向下面这样引入jquery库。view plaincopy to clipboardprint?| 1. <script type="text/javascript" src="希望对需要的朋友有用。：）引自 *使用 Google Ajax Search API 的准备工作 使用 Google Ajax Search API一个博客的例子 有一些检索的知识*此 API 如何使用 IntelliJIDEA 开发平台，name: Daniel ； key: 22457-MWPIW-INDLX-2PU2X-WBHSX-C4YK0掌握 Ajax，第 10 部分：使用 JSON 进行数据传输 *Ajax 早期讲解 06 年，很全 一个此 API 的详细讲解 Sign-up for an API KeyThanks for Signing up for a Google API key!Your key is:ABQIAAAA6mcpLt_42oc9byaXDAEQ4RT1xtEyFQOWuDnRzwI0AEsLsT5oSxRef5xHJc6ynRfHTZtAuNw5zuUM9QThis key is good for all URLs in this directory:.hk/Here is an example web page to get you started:<!DOCTYPE html PUBLIC "-/W3C/DTD XHTML 1.0 Strict/EN" "http:/www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http:/www.w3.org/1999/xhtml"><head><title>My Google API Application</title><script src="5zuUM9Q" type="text/javascript"></script><script language="Javascript" type="text/javascript">/<!CDATAgoogle.load("search","1");function OnLoad() / Create a search controlvar searchControl = new google.search.SearchControl();/ Add in a full set of searchersvar localSearch = new google.search.LocalSearch();searchControl.addSearcher(localSearch);searchControl.addSearcher(new google.search.WebSearch();searchControl.addSearcher(new google.search.VideoSearch();searchControl.addSearcher(new google.search.BlogSearch();/ Set the Local Search center point localSearch.setCenterPoint("New York, NY");/ Tell the searcher to draw itself and tell it where to attach searchControl.draw(document.getElementById("searchcontrol");/ Execute an inital search searchControl.execute("Google");google.setOnLoadCallback(OnLoad);/></script></head><body><div id="searchcontrol">Loading.</div></body></html>Check out the API documentation for more information.ajax search 功能参考:http:httD：/AJAX Search API
