海康监控实时视频播放对接

<template>
  <div style="height: 100%; width: 100%; position: relative;">
    <el-button v-if="playText !=''" style="position: absolute;top: 0;right: 0;left: 0; bottom: 0;margin: auto;height: 40px;width: 100px;" type="primary" @click="frontDownload">下载插件</el-button>
    <div style="width:800px;height:600px;overflow:hidden;" :style="{'width':Width,'height':Height}">
      <div id="playWnd" class="playWnd" ref="playWnd"  />
    </div>
  </div>
</template>

<script>
import JSEncrypt from 'jsencrypt/bin/jsencrypt'
var oWebControl = null
var that = null;
var initCount = 0;
var pubKey = ''
var playWndWidth = 800;
var playWndHeight = 800;
//初始化
    function initConfig(){
            var appkey = "xxxxx";//综合安防管理平台提供的appkey，必填 var secret = setEncrypt("xxxxx");   //综合安防管理平台提供的secret，必填
            var ip = "x.x.x.x"; //综合安防管理平台IP地址，必填
            var playMode = 0;                                  //初始播放模式：0-预览，1-回放
            var port = 443;                                    //综合安防管理平台端口，若启用HTTPS协议，默认443
            var snapDir = "D:\\SnapDir";                       //抓图存储路径
            var videoDir = "D:\\VideoDir";                     //紧急录像或录像剪辑存储路径
            var layout = "5x5";                                //playMode指定模式的布局
            var enableHTTPS = 1;                               //是否启用HTTPS协议与综合安防管理平台交互，这里总是填1
            var encryptedFields = 'secret';                       //加密字段，默认加密领域为secret
            var showToolbar = 1;                               //是否显示工具栏，0-不显示，非0-显示
            var showSmart = 1;                                 //是否显示智能信息（如配置移动侦测后画面上的线框），0-不显示，非0-显示
            var buttonIDs = "0,16,256,257,258,259,260,512,513,514,515,516,517,768,769";  //自定义工具条按钮

            oWebControl.JS_RequestInterface({
                funcName: "init",
                argument: JSON.stringify({
                    appkey: appkey,                            //API网关提供的appkey
                    secret: secret,                            //API网关提供的secret
                    ip: ip,                                    //API网关IP地址
                    playMode: playMode,                        //播放模式（决定显示预览还是回放界面）
                    port: port,                                //端口
                    snapDir: snapDir,                          //抓图存储路径
                    videoDir: videoDir,                        //紧急录像或录像剪辑存储路径
                    layout: layout,                            //布局
                    enableHTTPS: enableHTTPS,                  //是否启用HTTPS协议
                    encryptedFields: encryptedFields,          //加密字段
                    showToolbar: showToolbar,                  //是否显示工具栏
                    showSmart: showSmart,                      //是否显示智能信息
                    buttonIDs: buttonIDs                       //自定义工具条按钮
                })
            }).then(function (oData) {
                console.log('!!!!!!!!!!!!!!!!!!!!',oData)
                        oWebControl.JS_Resize( playWndWidth,playWndHeight);  // 初始化后resize一次，规避firefox下首次显示窗口后插件窗口未与DIV窗口重合问题
            }).catch(err=>{
                console.log('+++++++++++++++++++++++',err)
            });
    }

    //获取公钥
    function getPubKey (callback) {
        oWebControl.JS_RequestInterface({
            funcName: "getRSAPubKey",
            argument: JSON.stringify({
                keyLength: 1024
            })
        }).then(function (oData) {
            console.log(oData);
            if (oData.responseMsg.data) {
                pubKey = oData.responseMsg.data;
                callback()
            }else{
                console.log('获取公钥失败')
            }
        })
    }

    //RSA加密
    function setEncrypt (value) {
        var encrypt = new JSEncrypt();
        encrypt.setPublicKey(pubKey);
        return encrypt.encrypt(value);
    }
/**
 * video 初始化及配置
 * @param {*video挂载的dom id} id
 * @param {*连接成功的回调} cbConnectSuccess
 * @param {*连接报错的回调} cbConnectError
 * @param {*连接关闭的回调} cbConnectClose
 */
function WebControlInit(id, cbConnectSuccess, cbConnectError, cbConnectClose) {
  return new WebControl({
    szPluginContainer: id,
    iServicePortStart: 15900, // 对应 LocalServiceConfig.xml 中的ServicePortStart值
    iServicePortEnd: 15909, // 对应 LocalServiceConfig.xml 中的ServicePortEnd值
    szClassId:"23BF3B0A-2C56-4D97-9C03-0CB103AA8F11",
    cbConnectSuccess,
    cbConnectError,
    cbConnectClose
  })
}

// 监听视频控件的事件
function cbIntegrationCallBack(oData) {

}

function cbConnectSuccess() {
  // 设置窗口控制回调
  oWebControl.JS_SetWindowControlCallback({
    cbIntegrationCallBack: cbIntegrationCallBack
  })
  //创建视频窗口
  oWebControl
    .JS_StartService('window', {
      dllPath: './VideoPluginConnect.dll'
    })
    .then(function () {
      oWebControl
        .JS_CreateWnd('playWnd', playWndWidth,playWndHeight)
        .then(function () {
            getPubKey( initConfig )
            that.startPreview();
            that.playText = ''
            console.log('JS_CreateWnd success')
        })
    })
}

function cbConnectError() {
  console.log('cbConnectError')
  oWebControl = null
  that.playText = '插件未启动，正在尝试启动，请稍候...'
  console.error('确认本地进程是否已安装并开启成功！')
  oWebControl.JS_WakeUp("VideoWebPlugin://"); // 程序未启动时执行error函数，采用wakeup来启动程序
    initCount ++;
    if (initCount < 3) {
        setTimeout(function () {
            WebControlInit();
        }, 3000)
    } else {
        that.playText = '插件启动失败，请检查插件是否安装！'
    }
}

function cbConnectClose(bNormalClose) {
  // 连接异常断开：bNormalClose = false
  // JS_Disconnect正常断开：bNormalClose = true
  console.log('cbConnectClose')
  oWebControl = null
}

//销毁视频控件
function WebControlDistory() {
  // var bIE = !!window.ActiveXObject || 'ActiveXObject' in window // 是否为IE浏览器
  if (oWebControl != null) {
    oWebControl.JS_DestroyWnd().then(
      function () {
        console.log('JS_DestroyWnd')
      },
      function () {}
    )
    oWebControl.JS_StopService('window').then(function () {
      oWebControl.JS_Disconnect().then(
        function () {
          console.log('JS_Disconnect')
        },
        function () {}
      )
    })
  }
}
window.onscroll = function () {
  if (oWebControl != null) {
    oWebControl.JS_Resize( playWndWidth,playWndHeight);
  }
}
window.onresize = function () {
  if (oWebControl != null) {
    oWebControl.JS_Resize( playWndWidth,playWndHeight);
  }
}

window.onunload = () => {
  try {
    oWebControl.JS_HideWnd()
    WebControlDistory()
  } catch (error) {
    console.error(error)
  }

}
window.onpagehide = () => {
  try {
    oWebControl.JS_HideWnd()
  } catch (error) {
    console.error(error)
  }

}

export default {
  props: ['mode', 'code','StyleObj','resetData'],
  data() {
    return {
      playText: '',
      cameraIndexCode:'34020000001320000018',
      text:'插件未启动，正在尝试启动，请稍候...',
      callbackMessage: '', //显示回调信息
      tips: '调用成功',
      successTip: false,
      tipsShow: false,
      Width:0,
      Height:0
    }
  },
 computed: {

  },
   beforeDestroy() {
   if (oWebControl != null){
            oWebControl.JS_HideWnd();   // 先让窗口隐藏，规避插件窗口滞后于浏览器消失问题
            oWebControl.JS_Disconnect().then(function(){}, function() {});
        }

        this.$bus.$off('fun')
  },
  created(){
    if(this.StyleObj){
      this.Width = this.StyleObj.W?this.StyleObj.W+'px':'800px';
      this.Height = this.StyleObj.H?this.StyleObj.H+'px':'800px';
      playWndWidth = this.StyleObj.W?this.StyleObj.W: 800;
      playWndHeight = this.StyleObj.H?this.StyleObj.H: 800;
    }
    this.$bus.$on('fun',this.editPreview)
  },
  mounted() {
    // console.log(location.pathname)
    that = this;
    oWebControl = WebControlInit(
      'playWnd',
      cbConnectSuccess,
      cbConnectError,
      cbConnectClose,
    )
    window.onload = function(){
      that.startPreview();
    }
  },

  methods: {
     frontDownload() {
      var a = document.createElement('a') // 创建一个<a></a>标签
       a.href =  process.env.VUE_APP_Download + 'VideoWebPlugin.exe'
       a.download = 'VideoWebPlugin.exe'
      a.style.display = 'none' // 障眼法藏起来a标签
      document.body.appendChild(a) // 将a标签追加到文档对象中
      a.click() // 模拟点击了a标签，会触发a标签的href的读取，浏览器就会自动下载了
      a.remove() // 一次性的，用完就删除a标签
    },
    /**
     * 设置事件回调信息
     */
    showCBInfo(message) {
      this.callbackMessage = this.callbackMessage + JSON.stringify(message) + '\n'
    },
    startPreview(){
      var cameraIndexCode  = this.cameraIndexCode;     //获取输入的监控点编号值，必填
      cameraIndexCode = cameraIndexCode.replace(/(^\s*)/g, "");
      cameraIndexCode = cameraIndexCode.replace(/(\s*$)/g, "");
      let equipmentArr = this.resetData;
      let arraySize = equipmentArr.length;
      // 获取当前窗口个数 默认一个
      var WndNum = 1;

    oWebControl.JS_RequestInterface({
        funcName: "getLayout"
    }).then(function (oData) {
      console.log(oData)
        //分析窗口数
        var Data = JSON.stringify(oData.responseMsg.data);
        // Data = Data.replace(/\\n/g, "");
        // Data = Data.replace(/\\/g, "");
        // Data = Data.replace(/\"{/g, "{");
        // Data = Data.replace(/}\"/g, "}");
        // WndNum = JSON.parse(Data).wndNum;
        if(WndNum>arraySize){
          WndNum = arraySize
        }
        console.log(WndNum);
        var multiPlayParam = {
            "argument": {
                "list": []
            },
            "funcName": "startMultiPreviewByCameraIndexCode"
        }
        for (let i = 0; i < 25; i++){
            var PlayParam = {
                "authUuid": "",
                "cameraIndexCode": equipmentArr[i % arraySize],
                "ezvizDirect": 0,
                "gpuMode": 0,
                "streamMode": 0,
                "transMode": 1,
                "wndId": i+1
            }
            multiPlayParam.argument.list.push(PlayParam);
        }
        console.log(multiPlayParam);
        oWebControl.JS_RequestInterface(
              multiPlayParam
            )
      })
    },
    editPreview(e){
      
      var cameraIndexCode  = e;     //获取输入的监控点编号值，必填
      cameraIndexCode = cameraIndexCode.replace(/(^\s*)/g, "");
      cameraIndexCode = cameraIndexCode.replace(/(\s*$)/g, "");
      oWebControl.JS_RequestInterface({
        funcName: "getLayout"
      }).then(function (oData) {
      console.log(oData)
        var previewParam = {
          argument:JSON.stringify( {
            authUuid: "",
            cameraIndexCode:e,
            ezvizDirect: 0,
            gpuMode: 0,
            streamMode: 0,
            transMode: 1,
            wndId: 1
          }),
          funcName: "startPreview",
        };
        oWebControl.JS_RequestInterface(
          previewParam
        )
      })
    },
  }
}
</script>

<style lang="scss" scoped>
  .playWnd {
    width: 100%;
    height: 100%;
    background: #000;
  }
</style>