asp.net加载新浪方式的图片轮播

               <div class="pic_news">                        <div id="focusViwer" align="center">                            <embed id="focusflash"  width="320" height="225" flashvars='<%=FULL %>'                                wmode="opaque" menu="false" allowscriptaccess="sameDomain" quality="High" bgcolor="#F5F5F5"                                name="focusflash" src="images/flash1.swf" type="application/x-shockwave-flash">                        </div>                        <script type="text/javascript" charset="gbk"><!--                            var focus_width = 318                            var focus_height = 218                            var text_height = 25                            var swf_height = focus_height + text_height                            var pics = '<%=PICURL %>';                            var links = '<%=LINKS %>';                            links = links.replace(/.$/, "");                            var texts = '<%=TEXT %>';                            var FocusFlash = new sinaFlash("images/flash1", "focusflash", focus_width, swf_height, "7", "#F5F5F5", false, "High");                            FocusFlash.addParam("allowScriptAccess", "sameDomain");                            FocusFlash.addParam("menu", "false");                            FocusFlash.addParam("wmode", "opaque");                            FocusFlash.addVariable("pics", pics);                            FocusFlash.addVariable("links", links);                            FocusFlash.addVariable("texts", texts);                            FocusFlash.addVariable("borderwidth", focus_width);                            FocusFlash.addVariable("borderheight", focus_height);                            FocusFlash.addVariable("textheight", text_height);                            FocusFlash.write("focusViwer");//-->                        </script>                    </div>OracleDM dm = new OracleDM();    public string LINKS = ""; //超链接    public string PICURL = ""; //图片路径    public string TEXT = ""; //文本    public string FULL = ""; //全路径    protected void Page_Load(object sender, EventArgs e)    {        if (!IsPostBack)        {            RpTzgg();//通知公告            RpXwlb();//新闻列表            RpQxsl();//区县水利            RpZtbd();//专题报道            RpFxkh();//防汛抗旱            RpSzjc();    //水政监察            ShowIMG();//生成图片报道        }    }   //首页图片新闻    public void ShowIMG()    {        string sqlstr = " select ID, TITLE , L_Content from (select * from t_leastclass where type='图片报道' ) where rownum<=5";        DataTable dtP = dm.getsql(sqlstr).Tables[0];        string strTitle = "";//拼接标题        string picUrl = ""; //图片标题        string link = ""; //超链接        for (int i = 0; i < dtP.Rows.Count; i++)        {            strTitle += dtP.Rows[i]["TITLE"].ToString().Length > 20 ? dtP.Rows[i]["TITLE"].ToString().Substring(0, 20) + "..." : dtP.Rows[i]["Title"].ToString() + "|";            picUrl += getImageUrl(dtP.Rows[i]["L_CONTENT"].ToString()) + "|";            link += "lashgc.aspx?id=" + dtP.Rows[i]["ID"].ToString() + "|";        }        strTitle = strTitle.TrimEnd('|');        picUrl = picUrl.TrimEnd('|');        link = link.TrimEnd('|');        LINKS = link;        PICURL = picUrl;        TEXT = strTitle;        FULL = "pics=" + PICURL + "&links=" + LINKS + "&texts=" + TEXT + "&borderwidth=320&borderheight=198&textheight=26";    } /// <summary>    /// 从字符串中获取需要的图片地址    /// </summary>    /// <param name="source">字符串</param>    /// <returns>需要的图片地址</returns>    public string getImageUrl(string source)    {        ArrayList list = new ArrayList();        string result = "";        string pattern = "<img[^<>]*?\\ssrc=['\"]?(.*?)['\"].*?>";        Regex reg = new Regex(pattern);        MatchCollection mc = reg.Matches(source);        foreach (Match m in mc)        {            list.Add(m.Groups[1].Value);        }        if (list.Count > 0)        {            string s = list[0].ToString().TrimStart('/');            result = s.Substring(s.IndexOf('/') + 1);        }        else        {            result = "images/noPic.jpg";        }        return result;    }    #endregion

重点是：利用正则表达式取字符串中的图片路径

<img[^<>]*?\\ssrc=['\"]?(.*?)['\"].*?>