study_sm/src/containers/center/play/index.vue

<template>
  <div class="m-right-block fr mh576">

    <el-row class="p20">
      <el-col :lg="6" :md="6" :span="6">
        <el-progress
          class="mprocess"
          type="circle"
          :width="150"
          :format="formatFinish"
          :stroke-width="18"
          :percentage="info.percent"
          >
        </el-progress>

      </el-col>

      <el-col :lg="6"  :md="6" :span="6">
        <el-progress
           class="mprocess"
           type="circle"
           :width="150"
           :format="formatExam"
           :stroke-width="18"
           :percentage="info.score"
           >
        </el-progress>
      </el-col>

      <el-col :lg="6" :md="6" :span="6">
        <el-progress
           class="mprocess"
           type="circle"
           :width="150"
           :format="formatPass"
           :stroke-width="18"
           :percentage="info.score>=60?100:info.score"
           >
        </el-progress>
      </el-col>

      <el-col :lg="6" :md="6" :span="6">
        <div>
          <p style="font-size: 24px;"> 说明 </p>
          <p class="mt10">1、所有课程学完可以参加考试</p>
          <p class="mt10">2、考试不限次数，获得60分即可合格</p>
          <div>
              <el-button type="primary" class="mt10" style="font-size: 14px;" @click="startExam">
                参加考试
              </el-button>

              <el-button type="primary" class="mt10" style="font-size: 14px;" @click="printCert">
                学时证明
              </el-button>
          </div>
         </div>
      </el-col>

    </el-row>

    <div class="right-block-bd ng-scope" ui-view="myStudyContent" style="position: relative;">

      <div class="m-account">
        <div class="account-tit" style="height:30px">
          <a :class="{'current':show===1}"  @click="show=1" class="">正在学习</a>
          <a :class="{'current':show===2}"  @click="show=2" class="">已经完成</a>
          <a :class="{'current':show===3}"  @click="show=3" class="">考试记录</a>
        </div>

        <div v-if="show <3" class="lwh-ul-form mt20">
          <!-- 列表展示 -->
          <el-table :data="showList" border stripe style="width: 100%;"  >
            <el-table-column label="NO." prop="id" width="50" align="center">
              <template v-slot="{$index}">
                <span> {{$index+1}}</span>
              </template>
            </el-table-column>

            <el-table-column label="课程名称" prop="name" min-width="200">
            </el-table-column>

            <el-table-column label="类型" prop="type" align="center" width="80">
              <span>必修</span>
            </el-table-column>

            <el-table-column label="学时" prop="xs" align="center" width="80">
              <template v-slot="{row}">
                <span> {{row.xs/10}}</span>
              </template>
            </el-table-column>

            <el-table-column label="学习进度" prop="useTime" align="left" width="220">
              <template v-slot="{row}">
                <span style="display: flex;">
                  <el-progress
                    type="line"
                    style="width: 120px;"
                    :stroke-width="26"
                    :text-inside="true"
                    :show-text="false"
                    :percentage="row.percent"
                    :class="row.percent|showProgressColor">
                  </el-progress>
                  <span style="margin-left: 10px;"> {{row.percent}}% </span>
                </span>
              </template>
            </el-table-column>

            <el-table-column label="操作" prop="xs" align="center" width="80">
              <template v-slot="{row, $index}">
                <el-button @click="loadMedia(row, $index)" type="text">播放</el-button>
              </template>
            </el-table-column>

          </el-table>
        </div>

        <div v-if="show ==3" class="lwh-ul-form mt20">
          <exam-list :courseId="courseId"> </exam-list>
        </div>
      </div>
     </div>
    <el-dialog
     class="fc tc media-dialog"
     :visible.sync="mediaDialog"
     append-to-body
     :title="media.name"
     :close-on-click-modal="false"
     width="640px"
     @close="playDialog=false">

        <Media
          :options="options"
          :dialog="mediaDialog"
          :media="media"
          :duration="info.duration"
          @close="mediaDialog=false"
          @update="update">
        </Media>

    </el-dialog>

    <el-dialog title="输入认证" center :visible.sync="editRzcode"  >
      <el-form  label-width="120px" ref="elAdd">
        <el-form-item  label="认证编号">
          <el-input v-model="info.rzCode" type="text"></el-input>
        </el-form-item>
      </el-form>
      <div class="dialog-footer" slot="footer">
        <el-button @click="cancelRzCode">取 消</el-button>
        <el-button @click="doAddRzCode" type="primary">确定打印</el-button>
      </div>
    </el-dialog>

  </div>
</template>

<script>
  import {httpServer } from "@/components/httpServer/httpServer.js";
  import Media from "./components/media.vue";
  import ExamList from "./components/ExamList.vue";
  import {getPercent} from '@/utils/index.js'
   import {delExam} from '../exam/components/util.js'
  import md5 from 'js-md5';
  export default {
    name: "Index",
    data() {
      return {
        courseId: 0,
        show:1,
        mediaDialog: false,
        editRzcode: false,
        info: {score:0, percent:0},
        media:{},
        options:{
          autoplay: true, // 如果true,浏览器准备好时开始回放。
          muted: false, // 默认情况下将会消除任何音频。
          loop: false, // 导致视频一结束就重新开始。
          preload: "true", // 建议浏览器在<video>加载元素后是否应该开始下载视频数据。auto浏览器选择最佳行为,立即开始加载视频（如果浏览器支持）
          language: 'zh-CN',
          aspectRatio: '4:3', // 将播放器置于流畅模式，并在计算播放器的动态大小时使用该值。值应该代表一个比例 - 用冒号分隔的两个数字（例如"16:9"或"4:3"）
          fluid: true, // 当true时，Video.js player将拥有流体大小。换句话说，它将按比例缩放以适应其容器。
          sources: [],
          poster: '', // 你的封面地址
          notSupportedMessage: '无法播放媒体源', // 允许覆盖Video.js无法播放媒体源时显示的默认信息。
          playtimes: '',
          controlBar: {
            currentTimeDisplay: true, // 当前时间
            timeDivider: true, // 时间分割线
            durationDisplay: true, // 总时间
            progressControl: false, // 进度条
            remainingTimeDisplay: true, //
            customControlSpacer: true, //
            fullscreenToggle: true, // 全屏按钮
            volumePanel: false
          }
        },
        list: [],
        showList:[],
      };
    },
    components:{Media,ExamList},
    beforeMount() {
      this.courseId = +this.$route.params.courseId
      this.getData()
    },
    watch:{
      show(val){
        this.updateShowList()
      }
    },
    filters:{
      showProgressColor: function (val) {
      	if (val == '进行中') {
          	return val = 'el-bg-inner-running';
          } else if (val == '失败') {
             return val = 'el-bg-inner-error'
         } else if (val == '完成') {
             return val = 'el-bg-inner-done'
         }
      },
      useTime(val){
        let timestr = ""
        timestr+=  val> 3600?parseInt(val/3600):"0";
        timestr+=  ":"+(val> 60?parseInt((val%3600)/60):"00");
        timestr += ":" + (val%60);
        return timestr
      }
    },
    methods: {
      startExam( ){
        let courseId = this.courseId
        delExam()
        this.$router.push(`/center/exam/${courseId}`);
      },
      printCert( ){
        if( this.info.getXs < this.info.totalXs || this.info.score < 60){
          this.$message.errorMsg("课程还未完成", 2)
          return;
        }
        this.info.tmpRzCode = this.info.rzCode
        this.editRzcode = true
      },
      cancelRzCode(){
        this.info.rzCode= this.info.tmpRzCode;
        this.editRzcode = false;
      },
      doAddRzCode(){
        let {rzCode, id} = this.info;
        httpServer('Cert.printCert', {rzCode, id}).then( res => {
          if( res.code == 200 ){
            this.editRzcode = false;
            this.info.tmpRzCode="";
            window.open(  res.data.url )
          }
        })
      },
      formatFinish() {
        let {gxs,axs} = this.info;
        if( !axs ) axs = 1;
        return `获得${gxs}学时, 总共${axs}学时`;
      },
      formatExam() {
        let {score, scoreTime} = this.info
        if( score == -1 ) return `已答0次，未通过`;
        return `最高${score<1?0:score}分, ${score>60?'通过':'未通过'}`;
      },
      formatPass() {
        let {score, scoreTime} = this.info
        if( score == -1 ) return `未参加`;
        return `${score||0}分,${score>=60?'通过':'未通过'}`;
      },
      getData() {
        let param = { courseId: this.courseId }
        httpServer("course.getCourse", param).then(res => {
          if (res.code == 200) {
            this.info = res.data.info;
            let list = res.data.list;
            this.list = list.map( (item)=>{
              item.percent = getPercent(item);
              return item;
            })
            this.updateShowList()
          }
        })
      },
      updateShowList(){
        let show = this.show;
        this.showList = this.list.filter( item=>{
          if( show == 1) return item.percent<100
          if( show == 2) return item.percent>=100
          return false
        })
        //
        this.info.gxs = 0
        this.info.axs = 0;
        this.info.tcount = this.list.length;
        this.info.fcount =0;
        this.info.percent = 0;
        for( let i = 0; i< this.list.length;i++){
          let item = this.list[i]
          this.info.axs  += (item.xs/10)
          if( item.percent >= 100){
            this.info.gxs += (item.xs/10)
            this.info.fcount++
          }
        }
        this.info.percent = (this.info.gxs*10000/this.info.axs)/100;
      },
      //
      update( item ){
        let index = this.media.index
        if( item.position ) this.media.position = item.position
        this.media.isFinish = item.isFinish
        this.media.id = item.id
        this.media.percent = getPercent(this.media);
        if( item.isFinish && !this.options.controlBar.progressControl ){
          this.$message.successMsg("视频播放完成", 1);
          this.options.controlBar.progressControl = true;
        }
        this.updateShowList()
      },
      // 加载媒体
      loadMedia( item, index ) {
        this.media = item;
        this.media.index = index
        this.options.poster = this.info.tb+'?x-oss-process=image/resize,m_lfit,w_200';
        this.options.controlBar.progressControl = !!item.isFinish;
        if( item.url ){
          this.options.sources = [{src:item.url}];
          this.mediaDialog = true;
          return
        }
        httpServer('course.GetMedia', {id:item.id}).then( ({data, code}) => {
          item.url = data
          this.options.sources = [{src:item.url}];
          this.mediaDialog = true;
        });
      }
    }
  };
</script>

<style>
  @import "../../../assets/css/content.css";
  @import "../../../assets/css/course.css";
  @import url("../../../assets/css/m-account.css");
  @import url("./index.css");
  .media-dialog .el-dialog__header{
    /* display: none !important; */
   }
  .media-dialog .el-dialog__body{
    padding: 0 !important;
   }
   .media-dialog .el-scrollbar__wrap {
    overflow-x: hidden!important;
  }

   .mprocess{
     margin: 0 auto;
     width: 150px !important;
   }
   .el-progress{
     width: 100%;
   }
   .el-progress__text{
     font-size: 16px;
     font-weight: 700;
     line-height:1.5;
     color: #3290D4;
   }
   .el-progress-bar__outer{
     height: 20px!important;
     border: 1px solid #78335f;
     background-color:transparent;
   }

   /* 渐变进度条 */
   .el-bg-inner-running .el-progress-bar__inner{
     background-color: unset;
     background-image: linear-gradient(to right, #3587d8 , #6855ff);
   }
   .el-bg-inner-error .el-progress-bar__inner{
     background-image: linear-gradient(to right, #3587d8 , #fb3a7e);
   }
   .el-bg-inner-done .el-progress-bar__inner{
     background-image: linear-gradient(to right, #3587d8 , #53ff54);
   }
</style>