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20精币
<script>alert('用户名错误，如忘记用户名请联系系统管理员。')</script>
我想在访问网页取回的数据中,提取这段文本 "用户名错误，如忘记用户名请联系系统管理员。" ,请问如何创建正则. 最好可以给一个简单例程(提取出来写入标签),看着对比,学的比较快比较容易...谢各位大神伸手援助 !
全部的返回包如下
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>
</title><link href="../CSS/logincss.css" rel="stylesheet" /></head>
<body>
<form method="post" action="./adminlogin.aspx" id="form1">
<div class="aspNetHidden">
<input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="hYB3s+/V28yjxEyAMrrRDWV9MYQH3pLWMLZX2KhtOueT7tAPyy+epbRwJnPKDDJ0g1CV11uyIWQynvxfZnVv5e1UsXXkKPnXG1YF5Z7n3h2w4Bq7XuJHsqw/pdcGV7xg" />
</div>
<script>alert('用户名错误，如忘记用户名请联系系统管理员。')</script>
<div class="aspNetHidden">
<input type="hidden" name="__VIEWSTATEGENERATOR" id="__VIEWSTATEGENERATOR" value="71D2373A" />
<input type="hidden" name="__EVENTVALIDATION" id="__EVENTVALIDATION" value="ctZ0p7wKwgjnvsu6ctRQ3nax7clbBLs6ThvqVHRJmonXtwXd6DBw8UdCg+4NTtHIJcVuDUtsmASFi6dpsYb0XWW8j80RNEXn7NyxLM9VQcEovMU4I9lFDD5wp73pzAm8pODW2n5wK/ZFFgYmFBV2QcHgyTgzE4LPUju2CmHWFywV+i6p8UPgjvOLpOrzjRhcTzRhEVlRV7kF6821x2UUUw==" />
</div>
<div class="login_bg">
<div class="admin_login_box">
<table class="admin_login">
<tr>
<th>用户名：</th>
<td><input name="t_yhm" type="text" value="1" id="t_yhm" datatype="*" nullmsg="报名号不能为空！" Class="admin_srk" style="width:230px;" /><div class="info"><span class="Validform_checktip"></span><span class="dec"><s class="dec1">◆</s><s class="dec2">◆</s></span></div></td>
</tr>
<tr>
<th>密码：</th>
<td><input name="t_mm" type="password" id="t_mm" datatype="*" nullmsg="密码不能为空！" Class="admin_srk" style="width:230px;" /><div class="info"><span class="Validform_checktip"></span><span class="dec"><s class="dec1">◆</s><s class="dec2">◆</s></span></div></td>
</tr>
<tr>
<th>验证码：</th>
<td><input name="t_yzm" type="text" value="8079" maxlength="4" id="t_yzm" nullmsg="请填写验证码！" datatype="s4-4" errormsg="请填写正确验证码！" Class="admin_srk" style="width:120px;" /><div class="info"><span class="Validform_checktip"></span><span class="dec"><s class="dec1">◆</s><s class="dec2">◆</s></span></div>
<img id="Img1" alt="看不清，请点击我！" src="../../Class/yanzhengma/CheckCode.aspx" /></td>
</tr>
<tr><th></th><td><input type="submit" name="btn_dl" value="登录" id="btn_dl" class="admin_login_bt" style="cursor:pointer" /> <input type="submit" name="btn_qk" value="清空" id="btn_qk" class="admin_login_bt" style="cursor:pointer" /></td></tr>
</table>
</div>
<div class="banquan"></div>
</div>
</form>
</body>
</html>
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粤公网安备 44522102000125 增值电信业务经营许可证 粤B2-20192173
发表于 2017-8-29 19:38:25
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