以下代码需要用到最新版本ImageCapOnWeb控件，这里可以找到。
<!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>控件测试页面</title>
<mce:script type="text/javascript"><!--
function startCam(){
var capActivexObject=document.getElementById('cap1');
//启动摄像头
capActivexObject.start();
}
function capPicture1(){
var capActivexObject=document.getElementById('cap1');
capActivexObject.cap(); //控制摄像头拍照
}
function selectPic(){
var capActivexObject=document.getElementById('cap1');
capActivexObject.selectRect(0.3,0.25,0.6,0.8);//具体含义请查看文档
}
function cutSelectedPic(){
var capActivexObject=document.getElementById('cap1');
capActivexObject.cutSelected();
}
function submitToServer(){
//读取控件的拍照结果到hidden输入项中
var base64_data1 = document.getElementById('cap1').jpegBase64Data;
if (base64_data1.length==0) {
alert('请先拍照!');
return false;
}
document.getElementById('picData1').value=base64_data1;
document.getElementById('picExt1').value='.jpg';
/*注意不同的服务器端技术要配置不同的接收数据的url,可以参考submit.html的示
如asp.net的程序员可以查看submit.aspx，php程序员可以查看submit.php，asp程序员可以查看submit.asp
*/
//document.forms[0].action="http://localhost:8080/pages/submit.jsp";
alert('请先打开demo6.html配置服务器端程序参数再继续测试!');
return false;
document.forms[0].submit();
}
// --></mce:script>
</head>
<body>
<form method="post" >
<input type="hidden" id="picData1" name="picData1"/>
<input type="hidden" id="picExt1" name="picExt1"/>
<input type="hidden" id="picData2" name="picData2"/>
<input type="hidden" id="picExt2" name="picExt2"/>
<p>
<input type="button" value="启动摄像头" οnclick="javascript:startCam();" />
<input type="button" value="拍照片" οnclick="javascript:capPicture1();" />
<input type="button" value="选中头像区域" οnclick="javascript:selectPic();" />
<input type="button" value="裁剪选中区域" οnclick="javascript:cutSelectedPic()" />
<input type="button" value="提交到服务器端" οnclick="javascript:submitToServer();" /> <br/>
<input type="button" value="清除结果" οnclick="javascript:document.getElementById('cap1').clear();" />
</p>
<object classid="clsid:34681DB3-58E6-4512-86F2-9477F1A9F3D8" id="cap1" width="640" height="480" codebase="../cabs/ImageCapOnWeb.cab#version=2,0,0,0">
<param name="Visible" value="0">
<param name="AutoScroll" value="0">
<param name="AutoSize" value="0">
<param name="AxBorderStyle" value="1">
<param name="Caption" value="scaner">
<param name="Color" value="4278190095">
<param name="Font" value="宋体">
<param name="KeyPreview" value="0">
<param name="PixelsPerInch" value="96">
<param name="PrintScale" value="1">
<param name="Scaled" value="-1">
<param name="DropTarget" value="0">
<param name="HelpFile" value>
<param name="PopupMode" value="0">
<param name="ScreenSnap" value="0">
<param name="SnapBuffer" value="10">
<param name="DockSite" value="0">
<param name="DoubleBuffered" value="0">
<param name="ParentDoubleBuffered" value="0">
<param name="UseDockManager" value="0">
<param name="Enabled" value="-1">
<param name="AlignWithMargins" value="0">
<param name="ParentCustomHint" value="-1">
</object>
</form>
<mce:script type="text/javascript"><!--
document.all.cap1.SwitchWatchOnly(); //切换到只显示摄像头画面形式，隐藏编辑按钮等图标.
// --></mce:script>
</body>
</html>
