edu_manager/src/views/edutraining/courseinfo.vue

<template>
  <basic-container>
    <avue-crud
      :option="option"
      :table-loading="loading"
      :data="data"
      :page.sync="page"
      :permission="permissionList"
      :before-open="beforeOpen"
      v-model="form"
      ref="crud"
      @row-update="rowUpdate"
      @row-save="rowSave"
      @row-del="rowDel"
      @search-change="searchChange"
      @search-reset="searchReset"
      @selection-change="selectionChange"
      @current-change="currentChange"
      @size-change="sizeChange"
      @refresh-change="refreshChange"
      @on-load="onLoad"
      :upload-before="uploadBefore"
      :upload-after="uploadAfter"
    >
      <template slot="menuLeft">
        <el-button
          type="danger"
          size="small"
          icon="el-icon-delete"
          plain
          v-if="permission.courseinfo_delete"
          @click="handleDelete"
          >删 除
        </el-button>
      </template>

      <template slot-scope="scope" slot="menu">
        <el-button
          type="text"
          icon="el-icon-video-play"
          size="small"
          @click="toCourseAwer(scope.row)"
          >管理课件
        </el-button>
      </template>
    </avue-crud>
  </basic-container>
</template>

<script>
import {
  getList,
  getDetail,
  add,
  update,
  remove,
  toDate,
} from "@/api/edutraining/courseinfo";
import { createLogger, mapGetters } from "vuex";
import axios from "axios";
export default {
  props: {
    courseId: {
      required: true,
    },
  },
  data() {
    return {
      awarDrawer: false, //是否显示课件管理窗口
      form: {},
      query: {},
      loading: true,
      percentage: 0,
      jdState: false,
      colors: [
        { color: "#f56c6c", percentage: 20 },
        { color: "#e6a23c", percentage: 40 },
        { color: "#5cb87a", percentage: 60 },
        { color: "#1989fa", percentage: 80 },
        { color: "#6f7ad3", percentage: 100 },
      ],
      page: {
        pageSize: 10,
        currentPage: 1,
        total: 0,
      },
      selectionList: [],
      option: {
        height: "auto",
        calcHeight: 30,
        tip: false,
        searchShow: true,
        searchMenuSpan: 6,
        border: true,
        index: false,
        viewBtn: true,
        selection: true,
        dialogClickModal: false,
        column: [
          {
            label: "章节名称",
            prop: "chapterName",
            rules: [
              {
                required: true,
                message: "请输入章节名称",
                trigger: "blur",
              },
            ],
          },
          {
            label: "序号",
            prop: "sort",
            rules: [
              {
                required: true,
                message: "请输入序号",
                trigger: "blur",
              },
            ],
          },
          {
            label: "视频地址",
            prop: "videoUrl",
            type: "upload",
            limit: 1,
            tip: "请上传视频、音频文件（只能上传一个文件）",
            // listType: "picture-img",
            dataType: "string",
            fileType: "video", //img/video/audio
            action: "#",
            propsHttp: {
              res: "data",
              url: "link",
            },
            span: 24,
            rules: [
              {
                required: true,
                message: "请上传视频",
                trigger: "blur",
              },
            ],
          },
          {
            label: "课程简介",
            prop: "description",
            component: "AvueUeditor",
            options: {
              action: "/api/blade-resource/oss/endpoint/put-file",
              props: {
                res: "data",
                url: "link",
              },
            },
            hide: true,
            minRows: 6,
            span: 24,
            rules: [
              {
                required: true,
                message: "请输入课程简介",
                trigger: "blur",
              },
            ],
          },
          {
            label: "讲师",
            prop: "teacherName",
            rules: [
              {
                required: true,
                message: "请输入讲师",
                trigger: "blur",
              },
            ],
          },
          {
            label: "时长",
            prop: "duration",
            type: "time",
            value: "2022-01-01 00:00:00",
            rules: [
              {
                required: true,
                message: "请选择时长",
                trigger: "blur",
              },
            ],
            formatter: (val, value, label) => {
              return value + "秒";
            },
          },
        ],
      },
      data: [],
    };
  },
  computed: {
    ...mapGetters(["permission"]),
    permissionList() {
      return {
        addBtn: this.vaildData(this.permission.course_add, false),
        viewBtn: this.vaildData(this.permission.course_view, false),
        delBtn: this.vaildData(this.permission.course_delete, false),
        editBtn: this.vaildData(this.permission.course_edit, false),
      };
    },
    ids() {
      let ids = [];
      this.selectionList.forEach((ele) => {
        ids.push(ele.id);
      });
      return ids.join(",");
    },
  },
  methods: {
    rowSave(row, done, loading) {
      console.log(this, "row");

      row.courseId = this.courseId; //将章节关联到课程
      // row = { ...row, courseId: this.$route.query.courseId };
      add(row).then(
        () => {
          console.log(
            this.option.column.find((res) => res.label == "视频地址"),
            "筛选出来的"
          );
          this.option.column.find((res) => res.label == "视频地址").tip =
            "请上传视频、音频文件（只能上传一个文件）";
          console.log(
            this.option.column.find((res) => res.label == "视频地址").tip
          );
          this.onLoad(this.page);
          this.$message({
            type: "success",
            message: "操作成功!",
          });

          done();
        },
        (error) => {
          window.console.log(error);
          loading();
        }
      );
    },

    async uploadBefore(file, done, loading, column) {
      let _this = this;
      console.log(_this, "SS组件");
      console.log(file, column);
      console.log("上传前的方法");
      const CHUNK_SIZE = 1 * 1024 * 1024; // 定义分片的大小，例如1MB
      //   const CHUNK_SIZE = 512 * 1024; // 定义分片的大小，例如1MB
      const totalChunks = Math.ceil(file.size / CHUNK_SIZE); // 计算总分片数
      let uploadedChunks = 0; // 已上传的分片数

      const overallStartTime = performance.now(); // 函数开始执行时的时间
      for (let index = 0; index < totalChunks; index++) {
        const start = index * CHUNK_SIZE;
        const end = Math.min(start + CHUNK_SIZE, file.size);
        const blob = file.slice(start, end); // 获取当前分片的内容

        const chunkFile = new File([blob], `${file.name}-${index}`, {
          type: file.type,
        }); // 根据需要修改文件名以包含分片信息
        const formData = new FormData();
        formData.append("file", chunkFile);
        formData.append("chunkNumber", index);
        formData.append("totalChunks", totalChunks);
        formData.append("fileName", file.name);

        try {
          const response = await axios.post(
            "/api/blade-resource/oss/endpoint/chunk",
            formData,
            {
              headers: {
                "Content-Type": "multipart/form-data",
              },
            }
          );

          console.log(`Chunk ${index} uploaded successfully:`, response.data);
          uploadedChunks++; // 更新已上传的分片数量
          // 计算并显示上传进度
          const progressPercentage = (
            (uploadedChunks / totalChunks) *
            100
          ).toFixed(2);
          console.log(`Upload progress: ${progressPercentage}%`);
          this.$notify.info({
            title: "进度",
            message: `当前上传进度: ${progressPercentage}%`,
          });
          if(progressPercentage==100){
            this.$notify({
            type: 'success',
            title: "通知",
            message: `文件已上传完成！正在处理中请稍等......`,
          });
            }
          // 这里可以根据需要更新进度条或进度文本

          if (index === totalChunks - 1) {
           
            const fileData = {
              fileName: file.name,
              totalChunks: totalChunks,
            };
            const Stresponse = await axios.post(
              "/api/blade-resource/oss/endpoint/mergeFile",
              fileData,
              {
                headers: {
                  "Content-Type": "application/json",
                },
              }
            );

            if (Stresponse.data.code === 200) {
              const overallEndTime = performance.now(); // 函数结束时的时间
              const totalFunctionTime =
                (overallEndTime - overallStartTime) / 1000; // 总执行时间，转换为秒
              column.tip = ``;
              console.log(Stresponse.data, "合并请求成功");
              let url=(Stresponse.data.data.domain + '/'+ Stresponse.data.data.name)
              console.log(url,'地址');
              _this.form.videoUrl = url; // 确保根据实际响应更新属性名
              console.log(_this.form.videoUrl, "参数");
              loading();
              this.$message.success(
                `上传成功:文件名:${file.name},文件大小${(
                  file.size /
                  (1024 * 1024)
                ).toFixed(
                  2
                )} MB, 上传进度: ${progressPercentage}%,总耗时:${totalFunctionTime.toFixed(
                  2
                )}秒`
              );
            } else {
              loading();
              console.error("合并请求失败", Stresponse.data);
              this.$message.error("文件合并失败");
            }
          }
        } catch (error) {
          console.error(`Error uploading chunk ${index}:`, error);
          this.$message.error("上传出错");
          loading();
          return; // 出错则停止上传
        }
      }
    },

    uploadAfter(res, done, loading, column) {
      console.log(res, column);
      done();
      console.log("上传后的方法");
      this.$message.success("上传后的方法");
    },

    rowUpdate(row, index, done, loading) {
      update(row).then(
        () => {
          this.onLoad(this.page);
          this.$message({
            type: "success",
            message: "操作成功!",
          });
          done();
        },
        (error) => {
          window.console.log(error);
          loading();
        }
      );
    },
    rowDel(row) {
      this.$confirm("确定将选择数据删除?", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      })
        .then(() => {
          return remove(row.id);
        })
        .then(() => {
          this.onLoad(this.page);
          this.$message({
            type: "success",
            message: "操作成功!",
          });
        });
    },
    handleDelete() {
      if (this.selectionList.length === 0) {
        this.$message.warning("请选择至少一条数据");
        return;
      }
      this.$confirm("确定将选择数据删除?", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      })
        .then(() => {
          return remove(this.ids);
        })
        .then(() => {
          this.onLoad(this.page);
          this.$message({
            type: "success",
            message: "操作成功!",
          });
          this.$refs.crud.toggleSelection();
        });
    },
    beforeOpen(done, type) {
      if (["edit", "view"].includes(type)) {
        getDetail(this.form.id).then((res) => {
          res.data.data.duration = toDate(res.data.data);
          this.form = res.data.data;
        });
      }
      done();
    },
    searchReset() {
      this.query = {};
      this.onLoad(this.page);
    },
    searchChange(params, done) {
      this.query = params;
      this.page.currentPage = 1;
      this.onLoad(this.page, params);
      done();
    },
    selectionChange(list) {
      this.selectionList = list;
    },
    selectionClear() {
      this.selectionList = [];
      this.$refs.crud.toggleSelection();
    },
    currentChange(currentPage) {
      this.page.currentPage = currentPage;
    },
    sizeChange(pageSize) {
      this.page.pageSize = pageSize;
    },
    refreshChange() {
      this.onLoad(this.page, this.query);
    },
    onLoad(page, params = {}) {
      this.loading = true;
      params.courseId = this.courseId; //查询指定课程的章节
      getList(
        page.currentPage,
        page.pageSize,
        Object.assign(params, this.query, this.$route.query)
      ).then((res) => {
        const data = res.data.data;
        this.page.total = data.total;
        this.data = data.records;
        this.loading = false;
        this.selectionClear();
      });
    },
    toCourseAwer(courseInfo) {
      this.$router.push({
        path: "/edutraining/tebcourseware",
        query: { courseInfoId: courseInfo.id },
      });
    },
  },
  watch: {
    courseId(newVal, oldVal) {
      if (newVal != oldVal) {
        this.onLoad(this.page);
      }
    },
  },
};
</script>

<style></style>