发布6-JRT摄像头调用

截止这之前，JRT已经拥有Web、打印、导出Excel、监听程序、Linux命令、连设备这些功能，还缺摄像头调用功能。本次补全摄像头调用支持，同时支持把摄像头内嵌到浏览器来供业务做功能。

演示视频

内嵌效果
在这里插入图片描述

弹出效果
在这里插入图片描述

demo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>JRT摄像头测试</title>
    <link rel="shortcut icon" href="../../resource/common/images/favicon.ico" />
    <script src="../../resource/common/js/JRTBSBase.js" type="text/javascript"></script>
    <script src="../../jrtprint/js/JRTPrint.js" type="text/javascript"></script>
    <script language="javascript" type="text/javascript">
        SYSPageCommonInfo.Init();
        var BasePath = '';
        var ResourcePath = '';
        var WebServicAddress = SYSPageCommonInfo.Data.WebServicAddress;
        var UserDR = SYSPageCommonInfo.Data.Sesssion.UserDR;
        var WorkGroupDR = SYSPageCommonInfo.Data.Sesssion.WorkGroupDR;
        var sysTheme = SYSPageCommonInfo.Data.Sesssion.Theme;
        var SessionStr = SYSPageCommonInfo.Data.SessionStr;
    </script>
    <script type="text/javascript">
        //jquery入口
        $(function () {
            //驱动摄像头,弹出CS窗口模式
            $("#btnCameral").click(function () {
                //#跟上0就代表截图后不关闭窗口，跟1就代表截图后自动关闭窗口
                JRTBaseMsg.Subscribe("CameralBase64#0", CameraMsgCallBack, NoConnCallBack, true);
            });

            //启动内嵌摄像头
            $("#btnStartCameral").click(function () {
                //#跟上0就代表截图后不关闭窗口，跟1就代表截图后自动关闭窗口
                JRTBaseMsg.StartCameral($("#divCamera"));
            });

            //从内嵌摄像头抓图
            $("#btnCutImg").click(function () {
                var base64=JRTBaseMsg.GetCameralImg();
                $("#divImgShow").append('<img src="' + "data:image/png;base64," + base64 + '" alt="截图" style="margin-bottom:10px;width:400px;height: 300px;margin:10px;"/>');
            });
		});

        //截图回调，截图后会把图片Base64串回调到此方法
        function CameraMsgCallBack(base64) {
            $("#divImgShow").append('<img src="' + "data:image/png;base64," + base64 + '" alt="截图" style="margin-bottom:10px;width:400px;height: 300px;margin:10px;"/>');
        }

        //失败回调
        function NoConnCallBack() {
            $.messager.alert(TranslateDataMTHD("Info", "提示", ""), TranslateDataMTHD("Unable to connect to the messaging service!", "无法连接消息服务！", ""));
        }
    </script>
</head>
<body>
    <div class="easyui-layout" fit="true" style="border: none;">
        <div data-options="region:'north',title:'',split:true" style="height:48px;padding: 5px 0 0 10px;">
            <a id="btnCameral" href="#" class="easyui-linkbutton" data-options="" plain="false" listranslate="html~Cameral">驱动摄像头</a>
            <span class="lissp6"></span>
            <a id="btnStartCameral" href="#" class="easyui-linkbutton" data-options="" plain="false" listranslate="html~Cameral">启动摄像头</a>
            <span class="lissp6"></span>
            <a id="btnCutImg" href="#" class="easyui-linkbutton" data-options="" plain="false" listranslate="html~Cameral">抓图</a>
            <span class="lissp6"></span>
            <span>此界面用来测试JRT驱动摄像头截图的示例，驱动摄像头请参照该界面实现</span>
        </div>
        <div data-options="region:'center',title:''">
            <div class="easyui-layout" fit="true">
                <div data-options="region:'east',title:'JRTCameralVedio',split:true" style="width:950px;padding: 10px;">
                    <div id="divCamera" style="width: 900px;height: 700px;background-color:#333333;">
                    </div>
                </div>
                <div data-options="region:'center',title:'CutImage'">
                    <div id="divImgShow" style="padding: 10px;">
                    </div>
                </div>
            </div>
        </div>
    </div>
</body>
</html>