1

我正在尝试连接到谷歌趋势并解析他们的响应。我有这样的代码。

    String urlstr = "http://www.google.com/trends/fetchComponent?q=seattle&cid=TIMESERIES_GRAPH_0&export=3";

    URL url;

    String responsestr = null;
    try {
        url = new URL(urlstr);
        //Reader reader = new InputStreamReader(url.openStream(),"UTF-8");
        URLConnection connection = url.openConnection();
        connection.setRequestProperty("Accept-Charset", "UTF-8");
        InputStream response = connection.getInputStream();
        Reader reader = new InputStreamReader(response);
    }catch(Exception e){}

您可以通过简单地将 URL 复制粘贴到浏览器中来检查 URL 是否正确，但是，尽管我的代码通过并与谷歌连接，但它在谷歌方面返回一个错误，说它无法处理我的请求。我在编码或 URL 或如何设置我的 URLConnection 中做错了。任何帮助，将不胜感激！

4

1 回答 1

1

得到如下响应。

 public static void main(String[] args) {
        String urlstr = "http://www.google.com/trends/fetchComponent?q=seattle&cid=TIMESERIES_GRAPH_0&export=3";
        URL url;
        try {
            url = new URL(urlstr);
            // Reader reader = new InputStreamReader(url.openStream(),"UTF-8");
            URLConnection connection = url.openConnection();
            connection.setRequestProperty("Accept-Charset", "UTF-8");
            BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            String inputLine;
            while ((inputLine = in.readLine()) != null)
                System.out.println(inputLine);
            in.close();
        } catch (Exception e) {
            System.out.println(e);
        }
    }

输出

<!DOCTYPE html><html ><head><meta http-equiv="X-UA-Compatible" content="IE=8,IE=9" /><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>Google トレンド - エラー�検出�れ���</title><meta name="description" content="Google トレンド - エラー�検出�れ���" /><meta itemprop="name" content="Google トレンド - エラー�検出�れ���" /><meta itemprop="image" content="http://www.google.com/trends/resources/2327917647-google-icon.png" /><meta itemprop="description" content="Google トレンド - エラー�検出�れ���" /><meta property="og:title" content="Google トレンド - エラー�検出�れ���" /><meta property="og:type" content="article" /><meta property="og:url" content="http://www.google.com/trends/errorPage" /><meta property="og:image" content="http://www.google.com/trends/resources/2327917647-google-icon.png" /><meta property="og:description" content="Google トレンド - エラー�検出�れ���" /><style type="text/css">#gbar,#guser{font-size:13px;padding-top:0px !important;}#gbar{height:22px}#guser{padding-bottom:7px !important;text-align:right}.gbh,.gbd{border-top:1px solid #c9d7f1;font-size:1px}.gbh{height:0;position:absolute;top:24px;width:100%}@media all{.gb1{height:22px;margin-right:.5em;vertical-align:top}#gbar{float:left}}a.gb1,a.gb4{text-decoration:underline !important}a.gb1,a.gb4{color:#00c !important}.gbi .gb4{color:#dd8e27 !important}.gbf .gb4{color:#900 !important}</style><link href="/trends/resources/2521744678-explore-css.css" media="screen" rel="Stylesheet" type="text/css" /><link href="/trends/resources/578362384-trends_ja.css" media="screen" rel="Stylesheet" type="text/css" /><script type="text/javascript">var _gaq = _gaq || []; _gaq.push(['_setAccount', 'UA-4401283-1']); _gaq.push(['_setDomainName', 'google.com']); _gaq.push(['_setAllowLinker', true]); _gaq.push(['_setCookiePath', '/trends']);_gaq.push(['_trackPageview']);
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      var ga = document.createElement('script');
      ga.type = 'text/javascript';
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      ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') +
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      function init() {
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      };
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于 2014-11-25T04:58:19.643 回答