我想从网页的源代码中找出需要的字段,本人超级菜鸟,自己按照网友写的改出来一段,但是运行没有结果。请高手帮我瞧瞧,多谢多谢!
网页内容(节选需要的一段):
<table border="0" cellpadding="0" cellspacing="1" bgcolor="#CCCCCC" style="width: 80%; line-height:25px;" align="center">
<tr>
<td width="20%" align="right" bgcolor="#FFFFFF" style="padding-right:8px;">
<span id="ess_ctr7826_LandCertificateInfoView_Label1" class="subHead">土地使用权人:</span></td>
<td width="80%" bgcolor="#FFFFFF" style="padding-left:8px;" >
<span id="ess_ctr7826_LandCertificateInfoView_lblLandUser" class="normal" style="width:100%;">北京市电力公司</span></td>
</tr>
<tr>
<td width="20%" align="right" bgcolor="#FFFFFF" style="padding-right:8px;">
<span id="ess_ctr7826_LandCertificateInfoView_Label2" class="subHead">土地坐落:</span></td>
<td width="80%" bgcolor="#FFFFFF" style="padding-left:8px;">
<span id="ess_ctr7826_LandCertificateInfoView_lblLandPosition" class="normal" style="width:100%;">北京市石景山区杏石口变电站(新杏石口村东侧)</span></td>
</tr>
<tr>
<td width="20%" align="right" bgcolor="#FFFFFF" style="padding-right:8px;">
<span id="ess_ctr7826_LandCertificateInfoView_Label3" class="subHead">土地面积:</span></td>
<td width="80%" bgcolor="#FFFFFF" style="padding-left:8px;">
<span id="ess_ctr7826_LandCertificateInfoView_lblLandArea" class="normal" style="width:100%;">7871.55 (平方米)</span></td>
</tr>
<tr>
<td width="20%" align="right" bgcolor="#FFFFFF" style="padding-right:8px;">
<span id="ess_ctr7826_LandCertificateInfoView_Label5" class="subHead">使用权类型:</span></td>
<td width="80%" bgcolor="#FFFFFF" style="padding-left:8px;">
<span id="ess_ctr7826_LandCertificateInfoView_lblLandUseType" class="normal" style="width:100%;">划拨</span></td>
</tr>
<tr>
<td width="20%" align="right" bgcolor="#FFFFFF" style="padding-right:8px;">
<span id="ess_ctr7826_LandCertificateInfoView_Label6" class="subHead">土地证号:</span></td>
<td width="80%" bgcolor="#FFFFFF" style="padding-left:8px;">
<span id="ess_ctr7826_LandCertificateInfoView_lblLandNumber" class="normal" style="width:100%;">京石2011划00061</span></td>
</tr>
<tr>
<td width="20%" align="right" bgcolor="#FFFFFF" style="padding-right:8px;">
<span id="ess_ctr7826_LandCertificateInfoView_Label7" class="subHead">发布时间:</span></td>
<td width="80%" bgcolor="#FFFFFF" style="padding-left:8px;" >
<span id="ess_ctr7826_LandCertificateInfoView_lblLandGData" class="normal" style="width:100%;">2011年09月06日</span></td>
</tr>
<tr>
<td width="20%" align="right" bgcolor="#FFFFFF" style="padding-right:8px;" colspan="2">
<span id="ess_ctr7826_LandCertificateInfoView_lblViewNumber" class="subHead">浏览次数: 334</span> </td>
</tr>
<tr>
<td width="20%" align="center" bgcolor="#FFFFFF" style="padding-right:8px;" colspan="2">
<a id="ess_ctr7826_LandCertificateInfoView_lbtnReturn" class="CommandButton" href="javascript:__doPostBack('ess$ctr7826$LandCertificateInfoView$lbtnReturn','')">返 回</a>
</td>
</tr>
</table>
我的c#代码:
Regex reg = new Regex(@"(?is)ess_ctr7826_LandCertificateInfoView_lblLandUser[^>]*>(?<CLandUser>[^<]*)(?:(?!ess_ctr7826_LandCertificateInfoView_lblLandPosition).)*ess_ctr7826_LandCertificateInfoView_lblLandPosition[^>]*>(?<CLandPosition>[^<]*)(?:(?!ess_ctr7826_LandCertificateInfoView_lblLandArea).)*ess_ctr7826_LandCertificateInfoView_lblLandArea[^>]*>(?<CLandArea>[^<]*)(?:(?!ess_ctr7826_LandCertificateInfoView_lblLandUseType).)*ess_ctr7826_LandCertificateInfoView_lblLandUseType[^>]*>(?<CLandUseType>[^<]*)(?:(?!ess_ctr7826_LandCertificateInfoView_lblLandNumber).)*ess_ctr7826_LandCertificateInfoView_lblLandNumber[^>]*>(?<CLandNumber>[^<]*)(?:(?!ess_ctr7826_LandCertificateInfoView_lblLandGData).)*ess_ctr7826_LandCertificateInfoView_lblLandGData[^>]*>(?<CLandGDate>[^<]*)");
MatchCollection mc = reg.Matches(SHtml);
foreach (Match m in mc)
{
Console.WriteLine(m.Groups["CLandUser"].Value);
Program.SProject += m.Groups["CLandUser"].Value + "\n";
Program.SProject += m.Groups["CLandPosition"].Value + "\n";
Program.SProject += m.Groups["CLandArea"].Value + "\n";
Program.SProject += m.Groups["CLandUseType"].Value + "\n";
Program.SProject += m.Groups["CLandNumber"].Value + "\n";
Program.SProject += m.Groups["CLandGDate"].Value + "\n";
}
网页内容(节选需要的一段):
<table border="0" cellpadding="0" cellspacing="1" bgcolor="#CCCCCC" style="width: 80%; line-height:25px;" align="center">
<tr>
<td width="20%" align="right" bgcolor="#FFFFFF" style="padding-right:8px;">
<span id="ess_ctr7826_LandCertificateInfoView_Label1" class="subHead">土地使用权人:</span></td>
<td width="80%" bgcolor="#FFFFFF" style="padding-left:8px;" >
<span id="ess_ctr7826_LandCertificateInfoView_lblLandUser" class="normal" style="width:100%;">北京市电力公司</span></td>
</tr>
<tr>
<td width="20%" align="right" bgcolor="#FFFFFF" style="padding-right:8px;">
<span id="ess_ctr7826_LandCertificateInfoView_Label2" class="subHead">土地坐落:</span></td>
<td width="80%" bgcolor="#FFFFFF" style="padding-left:8px;">
<span id="ess_ctr7826_LandCertificateInfoView_lblLandPosition" class="normal" style="width:100%;">北京市石景山区杏石口变电站(新杏石口村东侧)</span></td>
</tr>
<tr>
<td width="20%" align="right" bgcolor="#FFFFFF" style="padding-right:8px;">
<span id="ess_ctr7826_LandCertificateInfoView_Label3" class="subHead">土地面积:</span></td>
<td width="80%" bgcolor="#FFFFFF" style="padding-left:8px;">
<span id="ess_ctr7826_LandCertificateInfoView_lblLandArea" class="normal" style="width:100%;">7871.55 (平方米)</span></td>
</tr>
<tr>
<td width="20%" align="right" bgcolor="#FFFFFF" style="padding-right:8px;">
<span id="ess_ctr7826_LandCertificateInfoView_Label5" class="subHead">使用权类型:</span></td>
<td width="80%" bgcolor="#FFFFFF" style="padding-left:8px;">
<span id="ess_ctr7826_LandCertificateInfoView_lblLandUseType" class="normal" style="width:100%;">划拨</span></td>
</tr>
<tr>
<td width="20%" align="right" bgcolor="#FFFFFF" style="padding-right:8px;">
<span id="ess_ctr7826_LandCertificateInfoView_Label6" class="subHead">土地证号:</span></td>
<td width="80%" bgcolor="#FFFFFF" style="padding-left:8px;">
<span id="ess_ctr7826_LandCertificateInfoView_lblLandNumber" class="normal" style="width:100%;">京石2011划00061</span></td>
</tr>
<tr>
<td width="20%" align="right" bgcolor="#FFFFFF" style="padding-right:8px;">
<span id="ess_ctr7826_LandCertificateInfoView_Label7" class="subHead">发布时间:</span></td>
<td width="80%" bgcolor="#FFFFFF" style="padding-left:8px;" >
<span id="ess_ctr7826_LandCertificateInfoView_lblLandGData" class="normal" style="width:100%;">2011年09月06日</span></td>
</tr>
<tr>
<td width="20%" align="right" bgcolor="#FFFFFF" style="padding-right:8px;" colspan="2">
<span id="ess_ctr7826_LandCertificateInfoView_lblViewNumber" class="subHead">浏览次数: 334</span> </td>
</tr>
<tr>
<td width="20%" align="center" bgcolor="#FFFFFF" style="padding-right:8px;" colspan="2">
<a id="ess_ctr7826_LandCertificateInfoView_lbtnReturn" class="CommandButton" href="javascript:__doPostBack('ess$ctr7826$LandCertificateInfoView$lbtnReturn','')">返 回</a>
</td>
</tr>
</table>
我的c#代码:
Regex reg = new Regex(@"(?is)ess_ctr7826_LandCertificateInfoView_lblLandUser[^>]*>(?<CLandUser>[^<]*)(?:(?!ess_ctr7826_LandCertificateInfoView_lblLandPosition).)*ess_ctr7826_LandCertificateInfoView_lblLandPosition[^>]*>(?<CLandPosition>[^<]*)(?:(?!ess_ctr7826_LandCertificateInfoView_lblLandArea).)*ess_ctr7826_LandCertificateInfoView_lblLandArea[^>]*>(?<CLandArea>[^<]*)(?:(?!ess_ctr7826_LandCertificateInfoView_lblLandUseType).)*ess_ctr7826_LandCertificateInfoView_lblLandUseType[^>]*>(?<CLandUseType>[^<]*)(?:(?!ess_ctr7826_LandCertificateInfoView_lblLandNumber).)*ess_ctr7826_LandCertificateInfoView_lblLandNumber[^>]*>(?<CLandNumber>[^<]*)(?:(?!ess_ctr7826_LandCertificateInfoView_lblLandGData).)*ess_ctr7826_LandCertificateInfoView_lblLandGData[^>]*>(?<CLandGDate>[^<]*)");
MatchCollection mc = reg.Matches(SHtml);
foreach (Match m in mc)
{
Console.WriteLine(m.Groups["CLandUser"].Value);
Program.SProject += m.Groups["CLandUser"].Value + "\n";
Program.SProject += m.Groups["CLandPosition"].Value + "\n";
Program.SProject += m.Groups["CLandArea"].Value + "\n";
Program.SProject += m.Groups["CLandUseType"].Value + "\n";
Program.SProject += m.Groups["CLandNumber"].Value + "\n";
Program.SProject += m.Groups["CLandGDate"].Value + "\n";
}
结果如下,自己组织吧
/*
土地使用权人:
北京市电力公司土地坐落:
北京市石景山区杏石口变电站(新杏石口村东侧)
土地面积:
7871.55 (平方米)
使用权类型:
划拨
土地证号:
京石2011划00061
发布时间:
2011年09月06日
浏览次数: 334
*/