实现海康监控视频播放（实时预览）（抓拍，录像，对讲等功能）

1. 将需要存储的监控抓拍和录像功能存储到本地磁盘，使用输入报存到浏览器缓存里。在created拿取缓存数据，判断缓存里是否有数据。如果没有弹出输入框。

        <div v-if="cache == true"><el-form><div>抓图存储地址</div><el-form-item><el-inputv-model="address.snapDir"placeholder="如：D:\monitor\Snapshot"style="width: 240px"></el-input></el-form-item><div>录像存储地址</div><el-form-item><el-inputv-model="address.videoDir"placeholder="如：D:\monitor\Vedio"style="width: 240px"></el-input></el-form-item></el-form><el-button @click="fun">保存存储地址</el-button></div>

created() {this.result = window.localStorage.getItem("message_2");if (this.result != null) {this.localStorage = JSON.parse(this.result);} else {this.cache = true;}},methods: {fun() {//对象解析Wie字符串if (this.address.snapDir != undefined &&this.address.videoDir != undefined) {window.localStorage.setItem("message_2", JSON.stringify(this.address));this.localStorage = this.address;this.cache = false;his.$modal.$msgSuccess("添加成功");} else {this.$message("请输入完整");}},}

2. 这边逻辑是先调接口拿区域，通过区域查询区域下的监控点，点击监控点，传监控点编号。

当然如果你能直接拿到监控点的编号就不用这么麻烦，直接传即可。

        <el-collapse v-model="activeNames" @change="handleChange"><el-collapse-item title="监控点" name="2"><el-tabsv-model="activeName"type="card":stretch="true"@tab-click="handleClick"><el-tab-pane label="监控区域" name="0"><RegionDept @handleNodeClick="handleNodeClick"></RegionDept></el-tab-pane><el-tab-pane :label="label" name="1"><divclass="monitor"v-for="(item, index) in previewList":key="item.cameraAreaId"><spanclass="monitor1":class="active == index ? 'monitor2' : ''"@click="showClick(item, index)">{{ item.name }}</span></div></el-tab-pane></el-tabs></el-collapse-item></el-collapse>

3. 全部内容

<template><div class="app-container"><el-row :gutter="20"><el-col :span="5" :xs="20"><div v-if="cache == true"><el-form><div>抓图存储地址</div><el-form-item><el-inputv-model="address.snapDir"placeholder="如：D:\monitor\Snapshot"style="width: 240px"></el-input></el-form-item><div>录像存储地址</div><el-form-item><el-inputv-model="address.videoDir"placeholder="如：D:\monitor\Vedio"style="width: 240px"></el-input></el-form-item></el-form><el-button @click="fun">保存存储地址</el-button></div><el-collapse v-model="activeNames" @change="handleChange"><el-collapse-item title="监控点" name="2"><el-tabsv-model="activeName"type="card":stretch="true"@tab-click="handleClick"><el-tab-pane label="监控区域" name="0"><RegionDept @handleNodeClick="handleNodeClick"></RegionDept></el-tab-pane><el-tab-pane :label="label" name="1"><divclass="monitor"v-for="(item, index) in previewList":key="item.cameraAreaId"><spanclass="monitor1":class="active == index ? 'monitor2' : ''"@click="showClick(item, index)">{{ item.name }}</span></div></el-tab-pane></el-tabs></el-collapse-item></el-collapse></el-col><el-col :span="19" :xs="20"><div class="views"><el-row :gutter="10"><el-container><el-main><div ref="playWndBox"><!-- 视频数据站位 --><divid="playWnd"class="playWnd":style="{height: playWndHeight + 'px',width: playWndWidth + 'px',}"/></div></el-main></el-container></el-row></div></el-col></el-row><el-dialog :title="title" :visible.sync="open" width="200px" append-to-body><div slot="footer" class="dialog-footer"><el-button type="primary"><ahref="http://hengfengpc.hfwysz.cn/common/download?fileName=VideoWebPlugin.exe"target="_blank">下 载</a></el-button><el-button @click="cancel">取 消</el-button></div></el-dialog></div>
</template><script>
import { listPreview } from "@/api/video_preview/index";
import RegionDept from "@/components/regionOptions/index.vue";
export default {components: {RegionDept,},created() {this.result = window.localStorage.getItem("message_2");if (this.result != null) {this.localStorage = JSON.parse(this.result);} else {this.cache = true;}},mounted() {// 首次加载时的到父容器的高度this.playWndHeight = this.$refs.playWndBox.clientHeight;// 首次加载时的到父容器的宽度this.playWndWidth = this.$refs.playWndBox.clientWidth - 140;// 初始化摄像头this.$nextTick(() => {this.initPlugin();});// 监听resize事件，使插件窗口尺寸跟随DIV窗口变化window.addEventListener("resize", () => {console.log(this.$refs.playWndBox.clientHeight,this.$refs.playWndBox.clientWidth);if (this.oWebControl != null) {this.oWebControl.JS_Resize(this.$refs.playWndBox.clientWidth - 140,this.$refs.playWndBox.clientHeight);}});},data() {return {active: undefined,activeName: "0",activeNames: ["2"],label: "监控点（0）",open: false,title: "",// 区域iddeptId: "",// 根据区域id查询监控数组数据previewList: [],form: {oldCameraIndexCode: undefined,newCameraIndexCode: undefined,},// 预览画面参数配置previewPictureList: [],brightness: 0,hue: 0,contrast: 0,saturation: 0,// 视频盒子的高度playWndHeight: "",// 视频盒子的宽度playWndWidth: "",oWebControl: null,initCount: 0,pubKey: "",cameraIndexCode: "", // 监控点编号objData: {appkey: "",ip: "",port: ,secret: "",playMode: 0, // 0 预览 1回放layout: "2x2", //页面展示的模块数【16】},result: {},cache: false, // 判断是否有缓存地址localStorage: {}, // 缓存地址数据// 添加缓存地址address: {snapDir: undefined,videoDir: undefined,},};},methods: {handleNodeClick(res) {this.deptId = res.deptId;this.getPreview();},// 根据id查询监控点getPreview() {let params = {areaId: this.deptId,};listPreview(params).then((res) => {this.previewList = res.data;this.label = "监控点" + "（" + this.previewList.length + " ）";});},// // 点击改变选中样式showClick(item, index) {this.active = index;this.previewVideo(item);},// 取消cancel() {this.open = false;},// 创建播放实例initPlugin() {let that = this;this.oWebControl = null;that.oWebControl = new WebControl({szPluginContainer: "playWnd", // 指定容器idiServicePortStart: 15900, // 指定起止端口号，建议使用该值iServicePortEnd: 15909,szClassId: "23BF3B0A-2C56-4D97-9C03-0CB103AA8F11", // 用于IE10使用ActiveX的clsidcbConnectSuccess: () => {// 创建WebControl实例成功that.oWebControl.JS_StartService("window", {// WebControl实例创建成功后需要启动服务// 值"./VideoPluginConnect.dll"写死dllPath: "./VideoPluginConnect.dll",}).then(function () {// 设置消息回调that.oWebControl.JS_SetWindowControlCallback({cbIntegrationCallBack: that.cbIntegrationCallBack,});//JS_CreateWnd创建视频播放窗口，宽高可设定that.oWebControl.JS_CreateWnd("playWnd", 1000, 600).then(function () {// 创建播放实例成功后初始化that.init();});},function () {// 启动插件服务失败});},// 创建WebControl实例失败cbConnectError: function () {that.oWebControl = null;that.$message.warning("插件未启动，正在尝试启动，请稍候...");// 程序未启动时执行error函数，采用wakeup来启动程序window.WebControl.JS_WakeUp("VideoWebPlugin://");that.initCount++;if (that.initCount < 3) {setTimeout(function () {that.initPlugin();}, 3000);} else {that.open = true;that.title = "是否需要下载插件";// that.$message.warning("插件启动失败，请检查插件是否安装！");}},cbConnectClose: () => {// 异常断开：bNormalClose = false// JS_Disconnect正常断开：bNormalClose = trueconsole.log("cbConnectClose");this.oWebControl = null;},});},// 初始化init(callback) {let that = this;that.getPubKey(() => {let appkey = that.objData.appkey; //综合安防管理平台提供的appkey，必填let secret = that.setEncrypt(that.objData.secret); //综合安防管理平台提供的secret，必填let ip = that.objData.ip; //综合安防管理平台IP地址，必填let playMode = that.objData.playMode; //初始播放模式：0-预览，1-回放let port = that.objData.port; //综合安防管理平台端口，若启用HTTPS协议，默认443let snapDir = that.localStorage.snapDir; //抓图存储路径let videoDir = that.localStorage.videoDir; //紧急录像或录像剪辑存储路径let layout = that.objData.layout; //playMode指定模式的布局let enableHTTPS = 0; //是否启用HTTPS协议与综合安防管理平台交互，这里总是填1let encryptedFields = "secret"; //加密字段，默认加密领域为secretlet showToolbar = 1; //是否显示工具栏，0-不显示，非0-显示let 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let buttonIDs ="0,16,256,257,258,259,260,512,513,514,515,516,517,768,769"; //自定义工具条按钮// var toolBarButtonIDs = "2049,2304" // 工具栏上自定义按钮that.oWebControl.JS_RequestInterface({funcName: "init",argument: JSON.stringify({appkey: appkey, //API网关提供的appkeysecret: secret, //API网关提供的secretip: 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, //自定义工具条按钮}),}).then(function (oData) {that.oWebControl.JS_Resize(that.playWndWidth, that.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if (callback) {callback();}// 隐藏// that.oWebControl.JS_HideWnd()});});},// 获取公钥getPubKey(callback) {let that = this;this.oWebControl.JS_RequestInterface({funcName: "getRSAPubKey",argument: JSON.stringify({keyLength: 1024,}),}).then(function (oData) {if (oData.responseMsg.data) {that.pubKey = oData.responseMsg.data;callback();}});},// RSA 加密setEncrypt(value) {let that = this;let encrypt = new window.JSEncrypt();encrypt.setPublicKey(that.pubKey);return encrypt.encrypt(value);},// 回调的消息cbIntegrationCallBack(oData) {let { responseMsg: type } = oData;if (type === "error") {console.log(type,type,this.dateFormat(new Date(), "yyyy-MM-dd hh:mm:ss"));} else {console.log(type,type,this.dateFormat(new Date(), "yyyy-MM-dd hh:mm:ss"));}},// 视频预览功能previewVideo(data) {let that = this;let cameraIndexCode = data.indexCode; // 获取输入的监控点编号值，必填let streamMode = 0; // 主子码流标识：0-主码流，1-子码流let transMode = 0; // 传输协议：0-UDP，1-TCPlet gpuMode = 0; // 是否启用GPU硬解，0-不启用，1-启用let wndId = -1; // 播放窗口序号（在2x2以上布局下可指定播放窗口）that.oWebControl.JS_RequestInterface({funcName: "startPreview",argument: JSON.stringify({cameraIndexCode: cameraIndexCode.trim(), // 监控点编号streamMode: streamMode, // 主子码流标识transMode: transMode, // 传输协议gpuMode: gpuMode, // 是否开启GPU硬解wndId: wndId, // 可指定播放窗口}),});},// 停止全部预览stopAllPreview() {this.oWebControl.JS_RequestInterface({funcName: "stopAllPreview",});},// 格式化时间dateFormat(oDate, fmt) {let o = {"M+": oDate.getMonth() + 1, //月份"d+": oDate.getDate(), //日"h+": oDate.getHours(), //小时"m+": oDate.getMinutes(), //分"s+": oDate.getSeconds(), //秒"q+": Math.floor((oDate.getMonth() + 3) / 3), //季度S: oDate.getMilliseconds(), //毫秒};if (/(y+)/.test(fmt)) {fmt = fmt.replace(RegExp.$1,(oDate.getFullYear() + "").substr(4 - RegExp.$1.length));}for (let k in o) {if (new RegExp("(" + k + ")").test(fmt)) {fmt = fmt.replace(RegExp.$1,RegExp.$1.length == 1? o[k]: ("00" + o[k]).substr(("" + o[k]).length));}}return fmt;},fun() {//对象解析Wie字符串if (this.address.snapDir != undefined &&this.address.videoDir != undefined) {window.localStorage.setItem("message_2", JSON.stringify(this.address));this.localStorage = this.address;this.cache = false;this.$message("添加成功");} else {this.$message("请输入完整");}},},// 组件销毁后destroyed() {if (this.oWebControl != null) {// 先让窗口隐藏，规避可能的插件窗口滞后于浏览器消失问题this.oWebControl.JS_HideWnd();// 销毁当前播放的视频this.oWebControl.JS_RequestInterface({ funcName: "destroyWnd" });// 断开与插件服务连接this.oWebControl.JS_Disconnect();}},
};
</script><style lang="scss">
::v-deep .el-dialog__body {padding: 0;
}
.monitor {margin: 10px;font-size: 14px;color: #606266;.monitor1 {padding: 6px;display: flex;font-size: 16px;}.monitor2 {display: flex;padding: 10px;font-size: 16px;background-color: rgba(242, 242, 242, 1);}
}
::v-deep .el-collapse-item__content {border: 1px solid #e6ebf5;
}::v-deep .el-collapse-item__header {background: #f2f2f2;padding: 0 6px;
}.playWnd {margin: 30px 0 0 50px;width: 900px;height: 500px;border: 1px solid red;
}
.cbInfoDiv {float: left;width: 360px;margin-left: 16px;border: 1px solid #7f9db9;
}
.cbInfo {height: 200px;padding: 5px;border: 1px solid #7f9db9;word-break: break-all;overflow: scroll／auto;
}
.operate {margin-top: 24px;
}
.operate::after {content: "";display: block;clear: both;
}
.operate .btns {height: 32px;
}
.module {float: left;width: 120px;min-height: 290px;margin-left: 10px;padding: 16px 8px;box-sizing: border-box;border: 1px solid #e5e5e5;
}
.module .item {margin-bottom: 4px;
}
.module .label {width: 150px;display: inline-block;vertical-align: middle;margin-right: 8px;text-align: right;
}
.module input[type="text"],
.module select {box-sizing: border-box;display: inline-block;vertical-align: middle;margin-left: 0;width: 150px;min-height: 20px;
}
.module .btn {min-width: 80px;min-height: 24px;margin-top: 16px;margin-left: 158px;
}
.el-aside {margin: 0px;height: 84vh;color: #333;background-color: #d3dce6;
}
.el-main {background-color: #e9eef3;color: #333;text-align: center;
}
</style>

4. 最后的功能就是这样子的啦。

5. 监控播放需要下载插件安装海康web插件，去海康威视官网上下载，官方不支持Mac，只支持Windows

海康开放平台

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