Esempio n. 1
0
        private void TiebaWebSpider()
        {
            #region 处理关键字
            MySqlCmd cmd = new MySqlCmd();
            //得到关键字列表
            DataTable dtkey;
            DataTable dtParts;
            if (selectKID == -1)
            {
                //全部
                dtkey = cmd.GetTabel("select * from Keywords");
            }
            else
            {
                dtkey = cmd.GetTabel("select * from Keywords where kid=" + selectKID);
            }
            dtParts = cmd.GetTabel("SELECT * FROM partword");
            #endregion

            HtmlParse.Parse parse = new HtmlParse.Parse();
            //parse.ReportCatchProcess += new HtmlParse.ReportCatchProcessEventHandler(Tieba_ReportCatchProcess);

            //按关键字循环
            for (int kw = 0; kw < dtkey.Rows.Count; kw++)
            {
                //处理关键字
                if (selectKID != -1 && selectKwName != "全部")
                {
                    if (dtkey.Rows[kw]["name"].ToString().Trim() != selectKwName) continue;
                }

                string keyword = dtkey.Rows[kw]["KeyWord"].ToString().Trim();
                string keyTitle = dtkey.Rows[kw]["Name"].ToString().Trim();
                int kid = 0;
                int.TryParse(dtkey.Rows[kw]["kid"].ToString().Trim(), out kid);

                #region 按关键字检索
                //组成查询字串
                //返回前60条数据,暂且不处理翻页
                string url = "http://tieba.baidu.com/f/search/res?ie=utf-8&rn=60&qw=" + keyword;

                string html = HtmlUtil.HttpGet(url, Encoding.Default);
                #endregion
                List<ModelReleaseInfo> mris = parse.ParseBaiduTieba(html, keyword, kid);
                if (mris != null && mris.Count() > 0)
                {
                    DataPersistenceControl.GetInstance().Add(mris);
                }
                //防止拉黑
                Thread.Sleep(Interval50s);
            }
        }