通过WEB调用大华网络摄像头
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通过WEB调用大华网络摄像头1.要调用的大华摄像头为Dahua 大华DH-IPC-HFW2100P-0600B 网络摄像机 (白色)，摄像头外形如下图所示
2.调用效果如下图所示
3.下载大华网络摄像头OCX包，下载地址http://download.csdn.net/detail/whzhaochao/5965005
4.解压OCX包单击文件中的reg.bat注册dll
5.新建index.html关输入以下代码
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>视频控件</title>
<style>
body font-family:"", arial;margin:0 auto; padding:0;
div,form,img,ul,p margin: 0 auto; padding: 0; border: 0; overflow:hidden; list-style-type:none;
h1,h2,h3,h4,h5,h6 margin:0; padding:0;
.bigbg
width:1280px;
height:820px;
position:relative;
top:50px;
background:#fff;
.kuang
background:url(img/video_03.gif) no-repeat;
width:1280px;
height:820px;
margin-top:12px;
.close a
background:url(img/1_04.gif) no-repeat;
width:41px;
height:36px;
position:absolute;
left:618px;
top:5px;
.close a:hover
background:url(img/2_04.gif) no-repeat;
with:41px;
height:36px;
position:absolute;
left:618px;
top:5px;
.videoscreen
width:1280px;
height:720px;
background-color:#999;
position:absolute;
right:17px;
top:45px;
.sfream
background:url(img/video_05.jpg) no-repeat;
width:627px;
height:42px;
margin-top:400px;
.play a
background:url(img/video_25.gif) no-repeat;
width:19px;
height:19px;
position:absolute;
left:26px;
bottom:17px;
.pause a background:url(img/video_26.gif) no-repeat;
width:21px;
height:19px;
position:absolute;
left:46px;
bottom:17px;
.progressbar a background:url(img/video_28.gif) no-repeat;
width:291px;
height:20px;
position:absolute;
left:76px;
bottom:17px;
.snapshot-picture a background:url(img/video_16.gif) no-repeat;
width:25px;
height:25px;
position:absolute;
left:377px;
bottom:17px;
.stepback a background:url(img/video_18.gif) no-repeat;
width:24px;
height:25px;
position:absolute;
left:409px;
bottom:17px;
.camera abackground:url(img/video_20.gif) no-repeat;
width:26px;
height:27px;
position:absolute;
left:439px;
bottom:14px;
.stopcamera abackground:url(img/video_22.gif) no-repeat;
width:27px;
height:27px;
position:absolute;
left:472px;
bottom:14px;
.singlescreen abackground:url(img/video_09.gif) no-repeat;
width:31px;
height:29px;
position:absolute;
left:506px;
bottom:12px;
.doublescreen abackground:url(img/video_11.gif) no-repeat;
width:31px;
height:29px;
position:absolute;
left:546px;
bottom:12px;
.ninescreen abackground:url(img/video_13.gif) no-repeat;
width:32px;
height:29px;
position:absolute;
left:586px;
bottom:12px;
.ninescreen a:hoverbackground:url(img/design_05.gif) no-repeat;
width:40px;
height:29px;
position:absolute;
left:586px;
bottom:82px;
</style>
<script language="javascript">
function StartPreview()
alert("开始");
var SSOcx = document.getElementById("playOcx");
SSOcx.SetDeviceInfo("192.168.1.108",37777,0,"admin","admin");
SSOcx.StartPlay();
function StoptPreview()
var SSOcx = document.getElementById("playOcx");
SSOcx.StopPlay();
function Capture()
var SSOcx = document.getElementById("playOcx");
var dd= SSOcx.GetCapturePicture("d:\\\\1.bmp");
function StartRecord()
var SSOcx = document.getElementById("playOcx");
SSOcx.SaveRealData("d:\\\\1.avi");
function StopRecord()
var SSOcx = document.getElementById("playOcx");
SSOcx.StopSaveRealDate();
</script>
</head>
<body>
<div class="bigbg">
<div class="kuang">
<div class="videoscreen">
<td width="50%" align="right" style="padding-right:50px">
<object classid="clsid:30209FBC-57EB-4F87-BF3E-740E3D8019D2" codebase=""
standby="Waiting..." id="playOcx" width="1280" height="720" name="playOcx" align="center" >
<embed width="618" height="360" align="center"></embed>
</object>
</td>
</div>
<div class="sfream">
<div class="play"><a href="javascript:StartPreview()">播放</a><br/></div>
<div class="pause"><a href="javascript:StoptPreview()">暂停</a><br /></div>
<div class="progressbar"><a href=""></a></div>
<div class="snapshot-picture"><a href="javascript:Capture()">拍照</a><br/></div>
<div class="stepback"><a href=""></a></div>
<div class="camera"><a href="javascript:StartRecord()">录制</a><br/></div>
<div class="stopcamera"><a href="javascript:StopRecord()">停止录制</a></div>
<div class="singlescreen"><a href=""></a></div>
<div class="doublescreen"><a href=""></a></div>
<div class="ninescreen"><a href=""></a></div>
</div>
</div>
<div class="close"><a href=""></a></div>
</div>
</body>
</html>
6.保存并用IE打开，请允许加载Active控件，如果不出问题则调用成功
注意事项：
1.SSOcx.SetDeviceInfo("192.168.1.108",37777,0,"admin","admin");注意修改成你的摄像机的IP地址、端口、通道、用户名、密码
2.大华的dll要注册成功，检查有没有注册的方法：打开注册表，搜索classid号，如果有表明OCX控件注册成功，classid号为：30209FBC-57EB-4F87-BF3E-740E3D8019D2
3.改方法试用于IE，其它浏览器不行
4.第一次用IE打开一定要加载控件，如果IE阻止控件会导致调用失败。如果IE阻止加载控件，请在Internet项目->安全->自定义级别 中将ActiveX控件和插件下的所有项都启用
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