c# 调用Google查询天气手机所属地农历转换公历-优快云博客

本文链接：https://blog.youkuaiyun.com/cdefu/article/details/4688177

本文介绍了一种利用Google搜索API抓取特定信息的方法，包括天气预报、手机号归属地及农历转公历等。通过编码实现了网页数据下载与解析，能够有效获取所需数据。

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//获取最近三天天气情况
        string url = string.Format("http://www.google.cn/search?hl=zh-CN&q=tq{0}&meta=&aq=f&oq=", HttpUtility.UrlEncode("上海 ", System.Text.Encoding.UTF8).ToUpper());

        byte[] bytes = new System.Net.WebClient().DownloadData(url);

        string html = System.Text.Encoding.Default.GetString(bytes);

        int a = html.IndexOf("<div class=e>");
        if (a > 0)
        {

            a += 13;

            int b = html.IndexOf("<h2 class=hd>", a);
            if (b > a)
            {

                Response.Write(html.Substring(a - 13, b - a + 13).Replace("src=/"/", "src=/"http://www.google.cn/"));

                return;

            }

        }

        //第一种：获取手机号所属地
        string url = string.Format("http://www.google.cn/search?hl=zh-CN&q={0}&aq=f&oq=", "手机号 ");
        byte[] bytes = new System.Net.WebClient().DownloadData(url);
        string html = System.Text.Encoding.Default.GetString(bytes);
        int a = html.IndexOf("<div class=rbt>");
        if (a > 0)
        {
            a += 15;
            int b = html.IndexOf("<li class=g>", a);
            if (b > a)
            {
                Response.Write(html.Substring(a - 15, b - a + 15).Replace("src=/"/", "src=/"http://www.google.cn/").Replace("href=/"/url", "href=/"http://www.google.cn/url"));
                return;
            }
        }

/////////////////////////// 第二种：无标题页四川南充 - 中国联通

        string url = string.Format("http://www.google.cn/search?hl=zh-CN&q={0}&aq=f&oq=", "13281906391");
        byte[] bytes = new System.Net.WebClient().DownloadData(url);
        string html = System.Text.Encoding.Default.GetString(bytes);
        int a = html.IndexOf("归属地查询</a></h3> ");
        if (a > 0)
        {
            a += 20;
            int b = html.IndexOf("<div style=/"margin:2px 0/">", a);
            if (b > a)
            {
                Response.Write(html.Substring(a, b - a));
                return;
            }
        }
        //农历转换公历
        string url = string.Format("http://www.google.cn/search?hl=zh-CN&q={0}&aq=f&oq=", HttpUtility.UrlEncode("n l1981-6-5 ", System.Text.Encoding.UTF8).ToUpper());
        byte[] bytes = new System.Net.WebClient().DownloadData(url);
        string html = System.Text.Encoding.Default.GetString(bytes);
        int a = html.IndexOf("<div class=e>");
        if (a > 0)
        {
            a += 13;
            int b = html.IndexOf("</table></table></div></div>", a);
            if (b > a)
            {
                Response.Write(html.Substring(a - 13, b - a + 29).Replace("src=/"/", "src=/"http://www.google.cn/"));
                return;
            }
        }

//通过sogou查询IP地址

        string url = string.Format("http://www.sogou.com/web?query={0}&ast=&asf=&w=&num=&p=&dp=", "123.112.11.60");

        byte[] bytes = new System.Net.WebClient().DownloadData(url);

        string html = System.Text.Encoding.Default.GetString(bytes);

        int a = html.IndexOf("<p class=/"ff/">");
        if (a > 0)
        {

            a += 14;

            int b = html.IndexOf("</p>", a);
            if (b > a)
            {
                Response.Write(html.Substring(a - 14, b - a + 14));

                return;
            }
        }