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 a{background:url(img/video_20.gif) no-repeat;
	width:26px;
	height:27px;
	position:absolute;
	left:439px;
	bottom:14px;}
	
.stopcamera a{background:url(img/video_22.gif) no-repeat;
	width:27px;
	height:27px;
	position:absolute;
	left:472px;
	bottom:14px;}
	
.singlescreen a{background:url(img/video_09.gif) no-repeat;
	width:31px;
	height:29px;
	position:absolute;
	left:506px;
	bottom:12px;}
	
.doublescreen a{background:url(img/video_11.gif) no-repeat;
	width:31px;
	height:29px;
	position:absolute;
	left:546px;
	bottom:12px;}
	
.ninescreen a{background:url(img/video_13.gif) no-repeat;
	width:32px;
	height:29px;
	position:absolute;
	left:586px;
	bottom:12px;}
	
.ninescreen a:hover{background: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

通过WEB调用大华网络摄像头

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