视频器拖动调整

components/video-player/progress-bar.vue

@@ -0,0 +1,170 @@
+/**
+  $emit: updateProgress, -> 调整进度条后触发的事件，传递参数：currentProgress
+         getMouseDownStatus, -> 获取是否鼠标按下的状态，传递参数：true/false
+  props: width, height,
+         currentProgress, -> 当前进度，范围0-1
+ */
+<template>
+  <div
+    class="progress-bar"
+    :style="{width: width}"
+    @mousedown.left="down"
+    @mousemove="move"
+    @mouseup="up"
+  >
+    <div class="progress-full" :style="{height: height}">
+      <div class="progress-current" :style="{width: currentProgress + '%'}"></div>
+    </div>
+  </div>
+</template>
+
+<script>
+export default {
+  name: "progress-bar",
+  props: {
+    width: {
+      type: String,
+      default: "100%",
+    },
+    height: {
+      type: String,
+      default: "4px",
+    },
+    // 当前进度，范围0-1
+    currentProgress: {
+      type: Number,
+      default: 0,
+    },
+    isDrag:{
+      type: Boolean,
+      default: true,
+    },
+    blobId:{
+      type: String,
+    }
+  },
+  data() {
+    return {
+      is_mousedown_progress: false, //是否点击了进度条并保持点击状态
+      current_width_px: 0, // 当前进度条的像素长度
+      init_clientX: 0, //初始进度的偏移量，相对于视口
+      dom_full: null, //完整进度条的dom，即进度条背景
+    };
+  },
+  mounted() {
+    //console.log(this.isDrag,'isDrag');
+    //初始化一些固定数据
+    let dom_full = this.$el.getElementsByClassName("progress-full")[0];
+    this.dom_full = dom_full;
+    //绑定全局监听器
+    window.addEventListener("touchmove", (e) => {
+      if (this.is_mousedown_progress) {
+        this.move(e);
+      }
+    });
+    window.addEventListener("touchend", (e) => {
+      this.up(e);
+    });
+  },
+  beforeDestroy() {
+    //
+  },
+  methods: {
+    down(e) {
+        
+        this.$emit("getMouseDownStatus", true);
+        this.is_mousedown_progress = true;
+        // 获取完整进度条的clientX（dom左上角）
+        let init_clientX = this.dom_full.getBoundingClientRect().left;
+        // 计算调整后的当前进度条的长度
+        this.current_width_px = e.clientX - init_clientX;
+        // 设置当前的播放进度（同时作用于当前进度条的样式）
+        let current = (e.clientX - init_clientX) / this.dom_full.clientWidth;
+        var time = localStorage.getItem('videoProgressData');
+        var arr = time&&JSON.parse(time) || {}
+		console.log('down::',this.isDrag,time,arr[this.blobId] ,current)
+        // 禁止拖动
+        if(!this.isDrag && time && arr[this.blobId] < current) return;
+
+        this.$emit("updateProgress", current);
+    },
+    move(e) {
+      if (this.is_mousedown_progress) {
+        let init_clientX = this.dom_full.getBoundingClientRect().left;
+        this.current_width_px = e.clientX - init_clientX;
+        let current = (e.clientX - init_clientX) / this.dom_full.clientWidth;
+        var time = localStorage.getItem('videoProgressData');
+        var arr = time&&JSON.parse(time) || {}
+		console.log('move::',this.isDrag,time,arr[this.blobId] ,current)
+        // 禁止拖动
+        if(!this.isDrag && time && arr[this.blobId] < current) return;
+        this.$emit("updateProgress", current);
+      }
+    },
+    up() {
+      if (this.is_mousedown_progress) {
+        // 标记鼠标不处于按下的状态了
+        this.is_mousedown_progress = false;
+        this.$emit("getMouseDownStatus", false);
+        // 松开鼠标后，即调整进度条后，此时的进度（0-1）
+        let current = this.current_width_px / this.dom_full.clientWidth;
+        var time = localStorage.getItem('videoProgressData');
+        var arr = time&&JSON.parse(time) || {}
+		console.log('up::',this.isDrag,time,arr[this.blobId] ,current)
+        // 禁止拖动
+        if(!this.isDrag && time && arr[this.blobId] < current) return;
+        this.$emit("updateProgress", current);
+        
+      }
+    },
+  },
+};
+</script>
+
+<style scoped>
+.progress-bar {
+  position: relative;
+  cursor: pointer;
+  padding: 2px 0;
+  margin:  0;
+  transition: height 0.2s;
+  /*overflow: hidden;*/
+}
+.progress-bar:hover .progress-full {
+  height: 2px !important;
+}
+.progress-full {
+  position: relative;
+  display: inline-block;
+  width: 100%;
+  background: rgb(201, 201, 201);
+  transition: height 0.3s;
+}
+.progress-current {
+  position: absolute;
+  left: 0;
+  top: 0;
+  height: inherit;
+  width: 50%;
+  display: inline-block;
+  background-color: var(--primaryColor);
+}
+.progress-current::after {
+  content: "";
+  position: absolute;
+  display: inline-block;
+  right: 0;
+  top: 50%;
+  bottom: 50%;
+  width: 12px;
+  height: 12px;
+  border-radius: 100%;
+  background: #fff;
+  transform: translate(50%, -50%);
+  opacity: 1;
+  transition: opacity 0.3s;
+}
+.progress-bar:hover .progress-current::after {
+  opacity: 1;
+}
+</style>

components/video-player/video-player.vue

@@ -22,9 +22,22 @@
 					<image :src="require(playing? './images/pause.png':'./images/play.png')"  @click.stop='videoOpreation'/>
 				</view>
 				<view class="currtime">{{currtime}}</view>
-				<view class='slider-container'>
-					<slider :disabled="!drag" @change.stop="sliderChange" @changing="sliderChanging" step="1" :value="sliderValue" backgroundColor="#9f9587" activeColor="#d6d2cc" block-color="#FFFFFF" block-size="12"/>
+				<!-- <cover-view v-if="drag" class='slider-container'>
+					<slider  @change.stop="sliderChange" @changing="sliderChanging" step="1" :value="sliderValue" backgroundColor="#9f9587" activeColor="#d6d2cc" block-color="#FFFFFF" block-size="12"/>
+					<slider v-if="!drag"  disabled="true" step="1" :value="sliderValue" backgroundColor="#9f9587" activeColor="#d6d2cc" block-color="#FFFFFF" block-size="12"/>
+				</cover-view> v-if="!drag"  -->
+				<view class='slider-container new-bar'>
+		          	<progressBar 
+			            :currentProgress="sliderValue"
+						:blobId="blobId"
+			            v-on:updateProgress="updateProgressByClickBar"
+			            v-on:getMouseDownStatus="getMouseDownStatusOfProgressBar"
+			            :isDrag="drag"
+			            width="100%"
+		          	></progressBar>
 				</view>
+
+				
 				<view class="druationTime">{{druationTime}}</view>
 				<view class="druationTime">
 					<view id="myVideoSpeed" class="player-speed btn-speed">
@@ -51,14 +64,21 @@
 	</view>
 </template>
 <script>
+	import progressBar from "@/components/video-player/progress-bar.vue";
 	import {mapGetters} from 'vuex'
 	import studyUtil from '@/utils/study.js';
 	export default {
+		components: { progressBar },
 		props: {
 			url:{
 				type: String,
 				require: true
 			},
+			// 视频链接对应的content Id
+			blobId: {
+			  type: String,
+			  default: null,
+			},
 			watermark:{
 				type: Boolean,
 				default: true
@@ -89,12 +109,15 @@
 				updateState: true, //防止视频播放过程中导致的拖拽失效
 				playing:false,//是否在播放中
 				curVideo:{
-					duration:0
+					duration:0,
+					currentTime: 0
 				},
 				touchNum:0,
 				speedListShow:false,
 				speedList:["2.0", "1.5", "1.25", "1.0", "0.75", "0.5"],
 				videoSpeed: 1.0, // 当前倍速:
+				isMousedownProgress: false, // 鼠标是否按下了进度条（并未松开）
+				historyTime: 0 // 当前视频
 			};
 		},
 		computed: {
@@ -114,6 +137,36 @@
 			this.videoContext=uni.createVideoContext("xvideoPlayer", this);
 		},
 		methods: {
+			    /* 点击进度条更新视频播放进度
+			     */
+			    updateProgressByClickBar(value) {
+			    	console.log('value------:',value)
+			      let duration = this.curVideo.duration;
+			      
+			      let new_current_time = Math.round(value * duration);
+			      // this.barrageTimelineStart = new_current_time;
+			      this.curVideo.currentTime = new_current_time;
+			      this.sliderValue = value * 100;
+			      this.videoContext.seek(new_current_time);
+
+
+					// var duration=this.curVideo.duration;
+					// var second=e.detail.value / 100 * duration;
+					// if (duration) { //完成拖动后，计算对应时间并跳转到指定位置
+					//    this.videoContext.seek(second);
+					//    this.sliderValue= e.detail.value,
+					//    this.updateState= true //完成拖动后允许更新滚动条
+					//    this.druationTime = this.formatSeconds(duration);
+					//    this.currtime = this.formatSeconds(second);
+					// }
+
+
+			    },
+			    /* 获取鼠标是否按下了进度条
+			     */
+			    getMouseDownStatusOfProgressBar(value) {
+			      this.isMousedownProgress = value;
+			    },
 				// 全屏+退出全屏
 				fullScreen(){
 					if(this.fullScreenFlag){
@@ -161,18 +214,50 @@
 				  },
 				// 播放进度变化时触发，event.detail = {currentTime, duration} 。触发频率 250ms 一次
 				videoUpdate(e) {
+
+					this.historyTime = e.detail.currentTime
+
 					let duration=this.curVideo.duration;
 					let sliderValue = e.detail.currentTime / duration * 100;
 					let second=sliderValue / 100 * duration;
+
+					// console.log('onTimeUpdate11111::',this.drag,second)
+					// if(!this.drag){
+					// 	this.videoContext.seek(second);
+					// 	return;
+					// }
+
+
+
 					if (this.updateState) { //判断拖拽完成后才触发更新，避免拖拽失效
 						this.sliderValue=sliderValue;
-						this.$emit('progress',this.sliderValue);
 					}else{
 						
 					}
+					// alert(this.sliderValue)
 					this.druationTime = this.formatSeconds(duration);
 					//console.log(this.druationTime,'this.druationTime');
 					this.currtime = this.formatSeconds(second);
+
+			   //    var time = localStorage.getItem('videoProgressData')
+			   //    //alert(1)
+			   //    if(time && !this.drag || !this.drag && !time ){
+					 //  var arr = time&&JSON.parse(time) || {}
+					 //  if(arr[this.url] < this.sliderValue/100 || !arr[this.url]){
+						// arr[this.url] = this.sliderValue/100
+						// localStorage.setItem('videoProgressData',JSON.stringify(arr))
+					 //  }
+			   //    }
+					// 视频播放时本地记录视频实时播放时长,视频设置了禁止拖动时执行
+					if(!this.drag){
+						var time = localStorage.getItem('videoProgressData')
+						var arr = time&&JSON.parse(time) || {}
+						if(arr[this.blobId] < this.sliderValue/100 || !arr[this.blobId]){
+							arr[this.blobId] = parseFloat((this.sliderValue/100).toFixed(8))
+							if(arr[this.blobId]) localStorage.setItem('videoProgressData',JSON.stringify(arr))
+						}
+					}
+				  
 				},
 		        //拖动过程中触发的事件
 		        sliderChanging(e) {
@@ -249,7 +334,7 @@
 						this.contrlShow=!this.contrlShow;
 					}else{
 						if(!this.contrlShow){
-							this.contrlShow=show;
+							this.contrlShow=true;
 						}
 					}
 					// this.onPlayerPause()
@@ -348,6 +433,9 @@
 	  flex:6;
 	  max-width:50%;
 	}
+	.slider-container.new-bar{
+		margin: 7px 10px 10px 10px;
+	}
 	.controller-play{
 		width: 8%;
 	}