dvcp_v2_webapp/project/qujing/app/AppCurriculumManage/components/Add.vue

<template>
  <ai-detail class="content-add" v-loading="isLoading">
    <template slot="title">
      <ai-title :title="params.id ? '编辑' + '课程' : '添加' + '课程'" isShowBack isShowBottomBorder @onBackClick="cancel(false)"></ai-title>
    </template>
    <template slot="content">
      <ai-card title="基本信息">
        <template #content>
          <el-form class="ai-form" :model="form" label-width="120px" ref="form">
            <el-form-item label="课程名称" style="width: 100%;" prop="title" :rules="[{required: true, message: '请输入标题', trigger: 'blur'}]">
              <el-input size="small" v-model="form.title" clearable placeholder="请输入..." :maxlength="50" :show-word-limit="true"></el-input>
            </el-form-item>
            <el-form-item prop="courseType" label="课程类型" :rules="[{required: true, message: '请选择课程类型', trigger: 'change'}]">
              <ai-select
                v-model="form.courseType"
                clearable
                placeholder="请选择课程类型"
                :selectList="dict.getDict('qjCourseType')">
              </ai-select>
            </el-form-item>
            <el-form-item prop="showIndex" label="排序" :rules="[{required: true, message: '请选择文章类型', trigger: 'change'}]">
              <el-input-number size="small" v-model="form.showIndex" :min="0"></el-input-number>
            </el-form-item>
            <el-form-item v-if="form.courseType === '0'" label="正文" prop="content" style="width: 100%;" :rules="[{required: true, message: '请输入内容', trigger: 'change'}]">
              <ai-editor v-model="form.content" :instance="instance"/>
            </el-form-item>
            <el-form-item v-if="form.courseType === '0' && !isHideCoverimg" label="封面图片" prop="pictureUrl" :rules="[{required: true, message: '请上传封面图片', trigger: 'change'}]" style="width: 100%;">
              <ai-uploader
                :instance="instance"
                isShowTip
                v-model="form.pictureUrl"
                :limit="1"
                :cropOps="cropOps"
                is-crop>
                <template slot="tips">
                  <p>最多上传1张图片,单个文件最大10MB，支持jpg、jpeg、png格式</p>
                  <p>图片比例：1.6：1</p>
                </template>
              </ai-uploader>
            </el-form-item>
            <el-form-item v-if="form.courseType === '1'" label="视频" prop="videoUrl" style="width: 100%;" :rules="[{required: true, message: '请上传视频', trigger: 'change'}]">
              <el-upload :show-file-list="false" ref="upload1" action :http-request="submitUpload" :accept="accept" :limit="1">
                <div class="video" v-if="!form.videoUrl.length">
                  <div class="icon">
                    <ai-icon type="svg" icon="iconVideo"/>
                    <span>上传视频</span>
                  </div>
                  <span class="tips">支持mp4格式，单个文件最大100MB</span>
                </div>
              </el-upload>
              <video class="video-com" style="width:100%; height:100%; object-fit: fill;" muted
                    :src="form.videoUrl[0].url" controls="controls" v-if="form.videoUrl.length"></video>
              <el-upload :show-file-list="false" ref="upload2" action :http-request="submitUpload" :accept="accept"
                        :limit="1" v-if="form.videoUrl.length">
                <el-button style="margin-top: 10px;">重新选择</el-button>
              </el-upload>
            </el-form-item>
            <el-form-item label="视频封面" prop="pictureUrl" style="width: 100%;" v-if="form.courseType === '1'" :rules="[{required: true, message: '请上传视频封面', trigger: 'change'}]">
              <ai-uploader
                :instance="instance"
                isShowTip
                v-model="form.pictureUrl"
                :limit="1"
                :cropOps="cropOps"
                is-crop>
                <template slot="tips">
                  <p>最多上传1张图片,单个文件最大10MB，支持jpg、jpeg、png格式</p>
                  <p>图片比例：1.6：1</p>
                </template>
              </ai-uploader>
            </el-form-item>
          </el-form>
        </template>
      </ai-card>
    </template>
    <template #footer>
      <el-button @click="cancel">取消</el-button>
      <el-button type="primary" :loading="isLoading" @click="confirm">提交</el-button>
    </template>
  </ai-detail>
</template>

<script>
  import mp4box from 'mp4box'
  export default {
    name: 'Add',

    props: {
      instance: Function,
      dict: Object,
      params: Object
    },
    data () {
      return {
        info: {},
        accept: '.mp4',
        form: {
          title: '',
          content: '',
          showIndex: '',
          videoUrl: [],
          pictureUrl: [],
          courseType: '0',
          duration: ''
        },
        isLoading: false,
        cropOps: {
          width: "336px",
          height: "210px"
        },
        id: '',
        contentTypeList: [
          {
            name: '图文',
            value: '0'
          },
          {
            name: '视频',
            value: '1'
          }
        ],
        isHideCoverimg: false,
        cateList: [],
        needExamine: '0'
      }
    },

    created () {
      this.dict.load('qjCourseType').then(() => {
        if (this.params && this.params.id) {
          this.getInfo(this.params.id)
        }
      })
    },

    methods: {
      getInfo (id) {
        this.instance.post(`/app/appcourseinfo/queryDetailById?id=${id}`).then(res => {
          if (res.code === 0) {
            this.form = res.data
            this.form.pictureUrl = res.data.pictureUrl ? [{
              url: res.data.pictureUrl
            }] : []
            this.form.videoUrl = res.data.videoUrl ? [{
              url: res.data.videoUrl
            }] : []
          }
        })
      },

      onChange () {
        this.form.videoUrl = []
      },

      submitUpload(file) {
        this.$refs['upload1']?.clearFiles();
        this.$refs['upload2']?.clearFiles();
        this.$refs['ruleForm']?.clearValidate('videoFile');
        const fileType = file.file.name.split(".")[1];
        const size = file.file.size / 1024 / 1024 > 100;
        let mp4boxfile = mp4box.createFile();
        const reader = new FileReader();
        reader.readAsArrayBuffer(file.file);
        reader.onload = (e) => {
          const arrayBuffer = e.target.result;
          arrayBuffer.fileStart = 0;
          mp4boxfile.appendBuffer(arrayBuffer);
        };
        mp4boxfile.onReady = (info) => {
          let codec = info.mime.match(/codecs="(\S*),/)[1]
          // if (codec.indexOf('avc') === -1) {
          //   return this.$message.error("视频编码格式不支持")
          // }

          if (size) {
            return this.$message.error("视频大小不能超过100M");
          }

          if (fileType && this.accept.indexOf(fileType.toLocaleLowerCase()) > -1) {
            let formData = new FormData()
            formData.append('file', file.file);
            this.isLoading = true
            this.instance.post(`/admin/file/addVideo1`, formData).then(res => {
              if (res && res.data) {
                let videoList = res.data[0].split(";")
                this.form.duration = res.data[2]

                this.form.videoUrl = [{
                  id: videoList[1],
                  url: videoList[0]
                }]
                this.form.pictureUrl = [{
                  id: res.data[1].split(";")[1],
                  url: res.data[1].split(";")[0]
                }]
              }

              this.isLoading = false
            }).catch(() => {
              this.isLoading = false
            })
          } else {
            return this.$message.error("视频格式错误")
          }
        }
      },

      confirm () {
        this.$refs.form.validate((valid) => {
          if (valid) {
            this.isLoading = true
            this.instance.post(`/app/appcourseinfo/addOrUpdate`, {
              ...this.form,
              videoUrl: this.form.courseType === '1' ? this.form.videoUrl[0].url : '',
              pictureUrl: this.form.pictureUrl.length ? this.form.pictureUrl[0].url : ''
            }).then(res => {
              if (res.code == 0) {
                this.$message.success('提交成功')
                setTimeout(() => {
                  this.cancel(true)
                }, 600)
              } else {
                this.isLoading = false
              }
            }).catch(() => {
              this.isLoading = false
            })
          }
        })
      },

      cancel (isRefresh) {
        this.$emit('change', {
          type: 'List',
          isRefresh: !!isRefresh
        })
      }
    }
  }
</script>

<style scoped lang="scss">
  .content-add {
    .video {
      width: 640px;
      height: 360px;
      border-radius: 4px;
      border: 1px dashed #D0D4DC;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;

      .icon {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;

        span:nth-child(2) {
          display: inline-block;
          font-size: 16px;
          color: #333333;
          line-height: 30px;
        }

        .iconfont {
          display: inline-block;
          font-size: 40px;
          color: #2266FF;
        }
      }

      .tips {
        display: inline-block;
        font-size: 12px;
        color: #999999;
        line-height: 26px;
      }
    }

    .video-com {
      width: 640px;
      height: 360px;
      background: rgba(0, 0, 0, 0.5);
      border-radius: 2px;
      border: 1px solid #D0D4DC;
      margin-top: -40px;
    }
  }
</style>