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jsp网站服务器如何做防护,网络销售技巧和话术,正规的编程培训机构,周宁县建设局网站时隔差不多半个月， 现在才来写这编博客。由于某些原因，我一直没有写，请大家原谅。前段时间开发了一个小模块。模块的主要功能就是有一个录音的功能。也就是说，模仿微信发送语音的功能一样。不多说，直接来一段代码 //自…

时隔差不多半个月，现在才来写这编博客。由于某些原因，我一直没有写，请大家原谅。前段时间开发了一个小模块。模块的主要功能就是有一个录音的功能。也就是说，模仿微信发送语音的功能一样。不多说，直接来一段代码

//自定义长按事件，注意， directives是跟 data ,created() 同一级的，注意注意
directives: {longpress: {bind(el, binding, vnode) {let pressTimer = null;let maxPressTime = 60000; // 60秒 = 60000毫秒  let startCallback = binding.value.start || Vue.noop;let endCallback = binding.value.end || Vue.noop;function handlePress() {startCallback();pressTimer = setTimeout(() => {endCallback();clearTimeout(pressTimer);pressTimer = null;}, maxPressTime);}function handleRelease() {if (pressTimer) {clearTimeout(pressTimer);pressTimer = null;endCallback();}}// 确保这些函数在unbind中可用  el._handlePress = handlePress;el._handleRelease = handleRelease;// 添加事件监听器  el.addEventListener('mousedown', handlePress);el.addEventListener('touchstart', handlePress);el.addEventListener('mouseup', handleRelease);el.addEventListener('touchend', handleRelease);el.addEventListener('mouseleave', handleRelease);el.addEventListener('touchcancel', handleRelease);},unbind(el) {// 移除事件监听器  el.removeEventListener('mousedown', el._handlePress);el.removeEventListener('touchstart', el._handlePress);el.removeEventListener('mouseup', el._handleRelease);el.removeEventListener('touchend', el._handleRelease);el.removeEventListener('mouseleave', el._handleRelease);el.removeEventListener('touchcancel', el._handleRelease);// 清理自定义属性  el._handlePress = null;el._handleRelease = null;}}
},

data(){return {zheZhao:false,//录音时的遮罩层isMai:false,//初始化，是否支持录音luYinAttr: {isAn:false,s: 0,timer:null,audioArray:[],startTime: null,//录音开始时间endTime: null, //录音结束时间mediaRecorder: null,recording: false, //录音状态(用于录音记时)timeLength: 0,//录音时长recordedChunks: [],timer: null,longPressThreshold:800,},}
}

//初始化录音对象（记住，录音一定得在 https里面。当然，在本地开发 localhost 可以不需要，但上线一定得在https里面）
luYin() {//这儿先做判断，判断当前设备或当前网络是否支持录音，如果不支持，那下面的也就不用多说了。//console.log(navigator, 'navigator.mediaDevices')if (!('mediaDevices' in navigator)) {this.isMai = false;return false;}navigator.mediaDevices.getUserMedia({ audio: true }).then(this.luYinSuccess) //支持录音，继续执行下面的操作.catch(this.luYinErr) //不支持录音，没下文
},
luYinSuccess(stream) {const audioContext = new AudioContext();//const sourceNode = audioContext.createMediaStreamSource(stream); //没用上，先注释const mediaRecorder = new MediaRecorder(stream);const recordedChunks = [];this.luYinAttr.mediaRecorder = mediaRecorderthis.luYinAttr.recordedChunks = recordedChunksthis.isMai = true;
},
luYinErr(err) {this.isMai = false;//console.log('The following error occurred: ' + err);
},//startRecording ,  stopRecording是开始计时和结束计时(由于录音的时间不能太长，这儿我，限制为1分分钟的时长。所以，我得有一个录音计时，超过1分钟，录音取消)
//开始计时
startRecording() {console.log('开始计时')this.luYinAttr.isAn = true;this.zheZhao = true;this.luYinAttr.s = 0;this.luYinAttr.recording = true;this.luYinAttr.startTime = Date.now();this.luYinAttr.timer = setInterval(() => {this.luYinAttr.s = this.luYinAttr.s + 1;} , 500)
},
//结束录音计时
stopRecording() {this.luYinAttr.recording = false;const endTime = Date.now();const startTime = this.luYinAttr.startTimeconst recordDuration = (endTime - startTime) / 1000; // 计算录音时长（秒） if (recordDuration >= 60) {this.luYinAttr.timeLength = 60;//结束录音}this.luYinAttr.timeLength = recordDuration;/*const maxWidth = 300; // 设置图标的最大宽度  const indicatorWidth = Math.min(recordDuration * 20, maxWidth); // 根据录音时长计算图标宽度，假设每秒对应2个像素宽度  console.log(indicatorWidth, '时长')console.log('结束计时')*/
},startLongPress() {//console.log('长按开始');let that = this;clearTimeout(this.luYinAttr.timer);that.luYinAttr.timer = setTimeout(function () {// 执行长按操作  //console.log('长按操作开始');that.luYinAttr.mediaRecorder.start();//console.log(that.luYinAttr.mediaRecorder.state , 'qqggg');//startRecord.disabled = true;//stopRecord.disabled = false;that.startRecording();}, that.luYinAttr.longPressThreshold);// 在这里编写长按开始时的逻辑
},
endLongPress() {//长按结束事件let that = this;//console.log('取消')clearTimeout(that.luYinAttr.timer);that.luYinAttr.mediaRecorder.stop();that.stopRecording();that.luYinAttr.mediaRecorder.ondataavailable = async function (e) {console.log(e)if (e.data.size > 0) {const blobObj = e.data;let nowTime = new Date().getTime();let fileName = 'LY_' + nowTime + '.mp3';const file = new File([blobObj], fileName, { type: 'audio/mpeg' });//that.uplodAudio(file) //上传录音that.luYinAttr.isAn = false;that.zheZhao = false;clearInterval(that.luYinAttr.timer)} else {// no data to push  }};
},//试听录音（在苹果机上不支持）
listenAudio(obj, index) {let myTimer = null;this.play.listenStatus = this.play.listenStatus + 1;if (this.play.listenStatus > 1) {clearInterval(myTimer)return false;}if (!this.playActive.isLongPressing) {let that = this;let itemAudio = [(that.luYinAttr.recordedChunks)[index]]//console.log(itemAudio, 'itemAudio', obj)let len = JSON.parse(JSON.stringify(obj.timeLength));obj.timeLength = 0;myTimer = setInterval(() => {obj.timeLength = obj.timeLength + 1;if (obj.timeLength == len) {clearInterval(myTimer)this.play.listenStatus = 0;}} , 1000)const blob = new Blob(itemAudio, { 'type': 'audio/ogg; codecs=opus' });//const blob = new Blob(that.luYinAttr.recordedChunks, { 'type': 'audio/ogg; codecs=opus' });//console.log(blob, 'blob')const audioURL = window.URL.createObjectURL(blob);//console.log(audioURL, 'audioURL')const audio = new Audio(audioURL);//console.log(audio,'audio')audio.play().catch(err => {console.log('Failed to play sound:', err);});}
},

<template v-if="isMai == true"><div class="" style="background:#ffffff; padding:10px 16px;"><div class="list" style="text-align:center"><template v-for="(audioArrayItem , audioArrayIndex) in luYinAttr.audioArray"><el-tooltip placement="top" :manual="true" :value="audioArrayItem.tooltip"><div slot="content"><span @click="returnAudioArrayItem(audioArrayItem , audioArrayIndex)">移除</span></div><div style="margin-bottom:10px;"  @click.prevent="listenAudio(audioArrayItem , audioArrayIndex)"><div style="overflow:hidden"><div style="float:left"><p style="background: #3975C6; color: #ffffff; padding:0 8px; display:inline-block; border-radius:4px;"><span class="icon iconfont playIcon" style="display:inline-block; height:20px; font-size:14px; text-align:center;">&#xe618;</span><span style="position:relative; top:-5px; margin:0 5px;"><template v-for="(item , index) in audioArrayItem.timeLength"><span>,,</span></template></span><span>{{ audioArrayItem.timeLength }}'</span></p></div><div style="float:right"><van-button type="info" size="mini" @click.stop="returnAudioArrayItem(audioArrayItem , audioArrayIndex)">移除</van-button></div></div></div></el-tooltip></template></div><div class="byBtn" :class="luYinAttr.isAn == true ? 'myIsYesAn': 'myIsNoAn' " style="text-align: center; font-size:14px;" v-longpress="{ start: startLongPress, end: endLongPress }"><p class="icon iconfont" style="color: #3975C6; font-size: 24px;">&#xe7a6;</p><p>任务详情 - 按住说话</p></div></div>
</template>