examcloud-admin-web/src/modules/basic/view/course.vue

<template>
  <div>
    <section class="content">
      <div class="box box-info">
        <!-- 头信息 -->
        <div class="box-header with-border">
          <h3 class="box-title">课程列表</h3>
          <div class="box-tools pull-right">
            <button
              type="button"
              class="btn btn-box-tool"
              data-widget="collapse"
            >
              <i class="fa fa-minus"></i>
            </button>
          </div>
        </div>

        <!-- 正文信息 -->
        <div
          class="box-body"
          v-loading.body="fileLoading"
          element-loading-text="课程上传中,请稍后..."
        >
          <!-- 表单 -->
          <el-form
            :inline="true"
            :model="formSearch"
            label-position="right"
            label-width="100px"
          >
            <el-row>
              <el-form-item label="课程名称" class="pull-left">
                <el-input
                  class="input_width_lg"
                  placeholder="请输入课程名称"
                  v-model="formSearch.name"
                ></el-input>
              </el-form-item>
              <el-form-item label="课程代码" class="pull-left">
                <el-input
                  class="input_width_lg"
                  placeholder="请输入课程代码"
                  v-model="formSearch.code"
                ></el-input>
              </el-form-item>
              <el-form-item label="课程状态" class="pull-left">
                <el-select
                  class="input_width_lg"
                  v-model="formSearch.enable"
                  placeholder="请选择"
                  clearable
                >
                  <el-option
                    v-for="item in statusList"
                    :label="item.label"
                    :value="item.value"
                    :key="item.value"
                  >
                  </el-option>
                </el-select>
              </el-form-item>
              <el-form-item label="层次" class="pull-left">
                <el-select
                  class="input_width_lg"
                  v-model="formSearch.level"
                  placeholder="请选择"
                  clearable
                >
                  <el-option
                    v-for="item in levelList"
                    :label="item.label"
                    :value="item.value"
                    :key="item.value"
                  >
                  </el-option>
                </el-select>
              </el-form-item>
              <el-form-item label="专业" class="pull-left" prop="specialtyId">
                <el-select
                  class="input_width_lg"
                  remote
                  :remote-method="getSpecialtyList4Search"
                  :loading="specialtyLoading4Search"
                  filterable
                  clearable
                  v-model="formSearch.specialtyId"
                  placeholder="请选择"
                >
                  <el-option
                    v-for="item in specialtyList4SearchWrapper"
                    :label="item.name"
                    :value="item.id"
                    :key="item.id"
                  >
                  </el-option>
                </el-select>
              </el-form-item>
              <el-form-item class="pull-right">
                <el-button
                  size="small"
                  type="primary"
                  icon="search"
                  @click="searchForm"
                  >查询</el-button
                >
                <el-button size="small" type="primary" @click="impCourse">
                  <i class="fa fa-upload" aria-hidden="true"></i>导入
                </el-button>
                <el-button size="small" type="primary" @click="exportCourse">
                  <i class="fa fa-download" aria-hidden="true"></i>导出
                </el-button>
                <el-button
                  size="small"
                  type="primary"
                  icon="plus"
                  @click="insertCourse"
                  >新增</el-button
                >
                <el-button size="small" type="success" @click="enableByIds">
                  <i class="fa fa-check" aria-hidden="true"></i>启用
                </el-button>
                <el-button size="small" type="warning" @click="disableByIds">
                  <i class="fa fa-close" aria-hidden="true"></i>禁用
                </el-button>
              </el-form-item>
            </el-row>
          </el-form>

          <!-- 添加或新增课程弹出框 -->
          <el-dialog title="课程学习" :visible.sync="courseDialog" size="tiny">
            <el-form
              :inline="true"
              :model="courseForm"
              ref="courseForm"
              :rules="rules"
              label-position="right"
              label-width="90px"
            >
              <el-row>
                <el-form-item label="课程代码" label-width="120px" prop="code">
                  <el-input
                    :disabled="null != courseForm.id"
                    class="pull_length"
                    v-model="courseForm.code"
                    auto-complete="off"
                    placeholder="请输入课程代码"
                  ></el-input>
                </el-form-item>
              </el-row>
              <el-row>
                <el-form-item label="课程名称" label-width="120px" prop="name">
                  <el-input
                    class="pull_length"
                    v-model="courseForm.name"
                    auto-complete="off"
                    placeholder="请输入课程名称"
                  ></el-input>
                </el-form-item>
              </el-row>
              <el-row>
                <el-form-item label="层次" label-width="120px" prop="level">
                  <el-select
                    style="width: 198px"
                    class="input_width_lg"
                    v-model="courseForm.level"
                    placeholder="请选择"
                  >
                    <el-option
                      v-for="item in levelList"
                      :label="item.label"
                      :value="item.value"
                      :key="item.value"
                    >
                    </el-option>
                  </el-select>
                </el-form-item>
              </el-row>
              <el-row>
                <el-form-item
                  label="课程状态"
                  label-width="120px"
                  prop="enable"
                >
                  <el-radio-group
                    class="pull_right_sm"
                    v-model="courseForm.enable"
                  >
                    <el-radio label="true">开启</el-radio>
                    <el-radio label="false">关闭</el-radio>
                  </el-radio-group>
                </el-form-item>
              </el-row>
              <el-row class="pull-center">
                <el-button type="primary" @click="submitForm">保 存</el-button>
                <el-button @click="courseDialog = false;">取 消</el-button>
              </el-row>
            </el-form>
          </el-dialog>

          <!-- 导入弹窗 -->
          <el-dialog title="导入窗口" size="tiny" :visible.sync="impDialog">
            <el-form>
              <el-row>
                <el-form-item style="margin-left:20px">
                  <el-upload
                    class="form_left"
                    ref="upload"
                    accept="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
                    :action="uploadAction"
                    :headers="uploadHeaders"
                    :data="uploadData"
                    :before-upload="beforeUpload"
                    :on-progress="uploadProgress"
                    :on-success="uploadSuccess"
                    :on-error="uploadError"
                    :file-list="fileList"
                    :auto-upload="false"
                    :multiple="false"
                  >
                    <el-button size="small" slot="trigger" type="primary"
                      >选择文件</el-button
                    >
                    <el-button size="small" type="success" @click="submitUpload"
                      >确认上传</el-button
                    >
                    <el-button size="small" type="danger" @click="removeFile"
                      >清空文件</el-button
                    >
                    <el-button size="small" type="info" @click="exportFile"
                      >下载模板</el-button
                    >
                    <div slot="tip" class="el-upload__tip">
                      只能上传xlsx文件
                    </div>
                  </el-upload>
                </el-form-item>
              </el-row>
            </el-form>
          </el-dialog>

          <!-- 导入错误信息列表 -->
          <el-dialog title="错误提示" :visible.sync="errDialog">
            <div
              class="text-danger"
              v-for="errMessage in errMessages"
              :key="errMessage.lineNum"
            >
              第{{ errMessage.lineNum }}行：{{ errMessage.msg }}
            </div>
            <span slot="footer" class="dialog-footer">
              <el-button @click="errDialog = false;">确定</el-button>
            </span>
          </el-dialog>

          <!-- 关联专业弹出框 -->
          <el-dialog
            :title="specialtyDialogTitle"
            :visible.sync="specialtyDialog"
            size="small"
          >
            <!-- 表单 -->
            <el-form
              :inline="true"
              :model="specialtySearchForm"
              label-position="right"
              label-width="100px"
            >
              <el-row>
                <el-form-item label="专业名称" class="pull-left">
                  <el-input
                    class="input_width_lg"
                    placeholder="请输入专业名称"
                    v-model="specialtySearchForm.name"
                  ></el-input>
                </el-form-item>
                <el-form-item label="专业代码" class="pull-left">
                  <el-input
                    class="input_width_lg"
                    placeholder="请输入专业代码"
                    v-model="specialtySearchForm.code"
                  ></el-input>
                </el-form-item>
                <el-form-item class="pull-right">
                  <el-button
                    size="small"
                    type="primary"
                    icon="search"
                    @click="searchSpecialtyPage"
                    >查询
                  </el-button>
                  <el-button
                    size="small"
                    type="primary"
                    icon="search"
                    @click="addRelation"
                    >新增
                  </el-button>
                </el-form-item>
              </el-row>
            </el-form>

            <!-- 专业列表 -->
            <el-table
              :data="specialtyTableData"
              border
              style="width: 100%;text-align:center;"
            >
              <el-table-column prop="id" label="ID" width="150">
              </el-table-column>
              <el-table-column prop="name" label="专业名称" width="250">
              </el-table-column>
              <el-table-column prop="code" label="专业代码"> </el-table-column>
              <el-table-column prop="updateTime" label="更新时间" width="170">
              </el-table-column>
              <el-table-column label="操作">
                <template slot-scope="scope">
                  <div>
                    <span>
                      <el-button
                        size="mini"
                        type="info"
                        @click="deleteRelation(scope.row);"
                      >
                        <i class="el-icon-edit"></i> 取消关联
                      </el-button>
                    </span>
                  </div>
                </template>
              </el-table-column>
            </el-table>
            <div class="page pull-right">
              <el-pagination
                @current-change="handleSpecialtyCurrentChange"
                :current-page="currentSpecialtyPage"
                :page-size="10"
                layout="total, prev, pager, next, jumper"
                :total="specialtyTotal"
              >
              </el-pagination>
            </div>
          </el-dialog>

          <!-- 添加关联 -->
          <el-dialog
            title="添加关联专业"
            v-model="addRelationDialog"
            size="tiny"
          >
            <el-form
              :inline="true"
              :model="addRelationForm"
              ref="addRelationForm"
              label-position="right"
              label-width="100px"
              :rules="addRelationRules"
            >
              <el-row>
                <el-form-item label="专业" class="pull-left" prop="specialtyId">
                  <el-select
                    class="input"
                    remote
                    :remote-method="getSpecialtyList4AddRelation"
                    :loading="specialtyLoading4AddRelation"
                    filterable
                    clearable
                    v-model="addRelationForm.specialtyId"
                    placeholder="请选择"
                  >
                    <el-option
                      v-for="item in specialtyList4AddRelationWrapper"
                      :label="item.name"
                      :value="item.id"
                      :key="item.id"
                    >
                    </el-option>
                  </el-select>
                </el-form-item>
              </el-row>
              <el-row class="pull_center">
                <el-button type="primary" @click="submitAddRelationForm"
                  >保 存</el-button
                >
                <el-button @click="addRelationDialog = false;">取 消</el-button>
              </el-row>
            </el-form>
          </el-dialog>

          <!-- 页面列表 -->
          <el-table
            :data="tableData"
            border
            style="width: 100%;text-align:center;"
            @selection-change="selectChange"
          >
            <el-table-column type="selection" width="50"></el-table-column>
            <el-table-column prop="id" label="课程ID" width="150">
            </el-table-column>
            <el-table-column prop="name" label="课程名称" width="250">
            </el-table-column>
            <el-table-column prop="code" label="课程代码"> </el-table-column>
            <el-table-column label="层次">
              <template slot-scope="scope">
                <div>
                  <span>{{ getLevel(scope.row.level) }}</span>
                </div>
              </template>
            </el-table-column>
            <el-table-column label="状态" width="70">
              <template slot-scope="scope">
                <div>
                  <span>
                    <el-tag :type="getTag(scope.row.enable)">
                      {{ getEnable(scope.row.enable) }}
                    </el-tag>
                  </span>
                </div>
              </template>
            </el-table-column>
            <el-table-column prop="updateTime" label="更新时间" width="170">
            </el-table-column>
            <el-table-column label="操作">
              <template slot-scope="scope">
                <div>
                  <el-button size="mini" type="primary" @click="relation(row);">
                    关联专业
                  </el-button>
                  <span>
                    <el-button
                      size="mini"
                      type="info"
                      @click="editCourse(row);"
                    >
                      <i class="el-icon-edit"></i> 修改
                    </el-button>
                  </span>
                  <span v-if="!scope.row.enable">
                    <el-button
                      size="mini"
                      type="success"
                      @click="enableById(row);"
                    >
                      <i class="fa fa-check" aria-hidden="true"></i>启用
                    </el-button>
                  </span>
                  <span v-if="scope.row.enable">
                    <el-button
                      size="mini"
                      type="warning"
                      @click="disableById(row);"
                    >
                      <i class="fa fa-close" aria-hidden="true"></i>禁用
                    </el-button>
                  </span>
                </div>
              </template>
            </el-table-column>
          </el-table>
          <div class="page pull-right">
            <el-pagination
              @current-change="handleCurrentChange"
              :current-page="currentPage"
              :page-size="10"
              layout="total, prev, pager, next, jumper"
              :total="total"
            >
            </el-pagination>
          </div>
        </div>
      </div>
    </section>
  </div>
</template>

<script>
import { core_api, ENABLE_TYPE, LEVEL_TYPE } from "../constants/constants.js";
import { mapState } from "vuex";

export default {
  data() {
    return {
      specialtyLoading4Search: false,
      specialtyList4Search: [],
      formSearch: {
        name: "",
        code: "",
        enable: "",
        level: "",
        specialtyId: ""
      },
      courseForm: {
        id: null,
        name: "",
        code: "",
        level: "ALL",
        enable: "true"
      },
      statusList: ENABLE_TYPE,
      levelList: LEVEL_TYPE,
      selectedCourseIds: [],
      tableData: [],
      currentPage: 1,
      pageSize: 10,
      total: 10,
      specialtyAllList: [],
      specialtyList: [],
      selectedSpecialtyList: [],
      specialtys: [],
      specialtyAll: [],

      impDialog: false,
      uploadAction: core_api + "/course/import",
      uploadHeaders: {},
      uploadData: {},
      errMessages: [],
      errDialog: false,
      fileLoading: false,
      fileList: [],

      courseDialog: false,
      relationDialog: false,

      rules: {
        name: [
          {
            required: true,
            message: "请输入课程名称",
            trigger: "blur"
          }
        ],
        code: [
          {
            required: true,
            message: "请输入课程代码",
            trigger: "blur"
          }
        ],
        level: [
          {
            required: true,
            message: "请选择层次",
            trigger: "change"
          }
        ],
        status: [
          {
            required: true,
            message: "请选择状态",
            trigger: "change"
          }
        ]
      },
      specialtyDialog: false,
      specialtyDialogTitle: null,
      specialtySearchForm: {
        courseId: null,
        code: null,
        name: null
      },
      specialtyTableData: [],
      currentSpecialtyPage: 1,
      specialtyPageSize: 10,
      specialtyTotal: 10,

      addRelationDialog: false,
      addRelationForm: {
        specialtyId: null,
        courseId: null
      },
      specialtyLoading4AddRelation: false,
      specialtyList4AddRelation: [],
      addRelationRules: {
        specialtyId: [
          {
            required: true,
            type: "number",
            message: "请选择专业",
            trigger: "change"
          }
        ]
      }
    };
  },
  computed: {
    ...mapState({
      user: state => state.user
    }),
    courseIds() {
      var courseIds = "";
      for (let courseId of this.selectedCourseIds) {
        if (!courseIds) {
          courseIds += courseId;
        } else {
          courseIds += "," + courseId;
        }
      }
      return courseIds;
    },
    specialtyAllListSelect() {
      let specialtyList = [];
      for (let specialty of this.specialtyAllList) {
        let specialtyInfo = specialty.name + "(" + specialty.code + ")";
        specialtyList.push({ id: specialty.id, specialtyInfo: specialtyInfo });
      }
      return specialtyList;
    },
    getSpecialtyAllSelect4Search() {
      let specialtyList4Search = [];
      for (let specialty of this.specialtys) {
        let specialtyInfo = specialty.name + "(" + specialty.code + ")";
        specialtyList4Search.push({
          id: specialty.id,
          specialtyInfo: specialtyInfo
        });
      }
      return specialtyList4Search;
    },
    specialtyList4SearchWrapper() {
      var specialtyList = [];
      for (let course of this.specialtyList4Search) {
        var name = course.name + " - " + course.code;
        var id = course.id;
        specialtyList.push({ id: id, name: name });
      }
      return specialtyList;
    },
    specialtyList4AddRelationWrapper() {
      var specialtyList = [];
      for (let course of this.specialtyList4AddRelation) {
        var name = course.name + " - " + course.code;
        var id = course.id;
        specialtyList.push({ id: id, name: name });
      }
      return specialtyList;
    }
  },
  methods: {
    deleteRelation(row) {
      var specialtyId = row.id;
      var courseId = this.specialtySearchForm.courseId;
      var param = new URLSearchParams({
        courseId: courseId,
        specialtyId: specialtyId
      });
      var url = core_api + "/courseSpeciatlyRelation/delete?" + param;
      this.$http
        .delete(url)
        .then(() => {
          this.$notify({
            type: "success",
            message: "取消关联成功！"
          });
          this.searchSpecialtyPage();
        })
        .catch(response => {
          if (response.status == 500) {
            this.$notify({
              showClose: true,
              message: response.data.desc,
              type: "error"
            });
          }
        });
    },
    submitAddRelationForm() {
      this.$refs.addRelationForm.validate(valid => {
        if (valid) {
          var param = new URLSearchParams(this.addRelationForm);
          var url = core_api + "/courseSpeciatlyRelation/add?" + param;
          this.$http.post(url, this.speciallyForm).then(
            () => {
              this.$notify({
                type: "success",
                message: "添加成功！"
              });
              this.searchSpecialtyPage();
              this.addRelationDialog = false;
            },
            response => {
              if (response.status == 500) {
                this.$notify({
                  showClose: true,
                  message: response.data.desc,
                  type: "error"
                });
              }
            }
          );
        } else {
          console.log("error submit!");
          return false;
        }
      });
    },
    getSpecialtyList4AddRelation(query) {
      this.specialtyLoading4AddRelation = true;
      this.$http
        .get(core_api + "/specialty/query?name=" + query)
        .then(response => {
          this.specialtyList4AddRelation = response.data;
          this.specialtyLoading4AddRelation = false;
        });
    },
    addRelation() {
      this.addRelationForm.specialtyId = null;
      this.addRelationForm.courseId = this.specialtySearchForm.courseId;
      this.addRelationDialog = true;
      if (this.$refs.addRelationForm) {
        this.$refs.addRelationForm.resetFields();
      }
    },
    handleSpecialtyCurrentChange(val) {
      this.currentSpecialtyPage = val;
      this.searchSpecialtyPage();
    },
    searchSpecialtyPage() {
      var param = new URLSearchParams(this.specialtySearchForm);
      var url =
        core_api +
        "/specialty/specialtyPage/" +
        (this.currentPage - 1) +
        "/" +
        this.pageSize +
        "?" +
        param;
      this.$http.get(url).then(response => {
        this.specialtyTableData = response.data.content;
        this.specialtyTotal = response.data.totalElements;
      });
    },
    getEnable(enable) {
      if (enable == true) {
        return "启用";
      } else if (enable == false) {
        return "禁用";
      }
      return enable;
    },
    getTag(status) {
      if (status == true) {
        return "success";
      } else if (status == false) {
        return "danger";
      }
      return status;
    },
    getLevel(level) {
      if (level == "ZSB") {
        return "专升本";
      } else if (level == "GQZ") {
        return "高起专";
      } else if (level == "GQB") {
        return "高起本";
      } else {
        return "不限";
      }
    },
    getSpecialtyList4Search(query) {
      this.specialtyLoading4Search = true;
      this.$http
        .get(core_api + "/specialty/query?name=" + query)
        .then(response => {
          this.specialtyList4Search = response.data;
          this.specialtyLoading4Search = false;
        });
    },
    searchForm() {
      var param = new URLSearchParams(this.formSearch);
      var url =
        core_api +
        "/course/coursePage/" +
        (this.currentPage - 1) +
        "/" +
        this.pageSize +
        "?" +
        param;
      this.$http.get(url).then(response => {
        console.log(response);
        this.tableData = response.data.content;
        this.total = response.data.totalElements;
      });
    },
    handleCurrentChange(val) {
      this.currentPage = val;
      this.searchForm();
    },
    selectChange(row) {
      this.selectedCourseIds = [];
      row.forEach(element => {
        this.selectedCourseIds.push(element.id);
      });
      console.log(this.selectedCourseIds);
    },
    //新增
    insertCourse() {
      this.courseForm.id = null;
      this.courseForm.name = null;
      this.courseForm.code = null;
      this.courseForm.level = "ALL";
      this.courseForm.enable = "true";

      this.courseDialog = true;
    },
    //修改
    editCourse(row) {
      this.courseForm = Object.assign({}, row);
      this.courseForm.enable = row.enable ? "true" : "false";
      this.courseId = row.id;

      this.courseDialog = true;
    },
    exportCourse() {
      var param = new URLSearchParams(this.formSearch);
      window.open(
        core_api +
          "/course/export?$key=" +
          this.user.key +
          "&$token=" +
          this.user.token +
          "&" +
          param
      );
    },

    //关联课程
    relation(row) {
      this.specialtyDialogTitle =
        "关联专业列表 【课程名称：" +
        row.name +
        "】【       课程代码：" +
        row.code +
        "】";
      this.specialtySearchForm.courseId = row.id;
      this.specialtySearchForm.name = null;
      this.specialtySearchForm.code = null;

      this.searchSpecialtyPage();
      this.specialtyDialog = true;
    },
    closeCourse() {
      this.courseDialog = false;
    },
    saveRelation() {},
    //保存(新增/修改)
    submitForm() {
      var url = core_api + "/course";
      if (null != this.courseForm.id) {
        //修改
        this.$refs.courseForm.validate(valid => {
          if (valid) {
            this.$http.put(url, this.courseForm).then(
              () => {
                this.$notify({
                  type: "success",
                  message: "修改成功！"
                });
                this.searchForm();
                this.resetForm();
                this.courseDialog = false;
              },
              response => {
                if (response.status == 500) {
                  this.$notify({
                    showClose: true,
                    message: response.data.desc,
                    type: "error"
                  });
                }
              }
            );
          } else {
            console.log("error submit!");
            return false;
          }
        });
      } else {
        this.$refs.courseForm.validate(valid => {
          if (valid) {
            this.$http.post(url, this.courseForm).then(
              () => {
                this.$notify({
                  type: "success",
                  message: "添加成功"
                });
                this.searchForm();
                this.resetForm();
                this.courseDialog = false;
              },
              response => {
                if (response.status == 500) {
                  this.$notify({
                    showClose: true,
                    message: response.data.desc,
                    type: "error"
                  });
                }
              }
            );
          } else {
            console.log("error submit!");
            return false;
          }
        });
      }
    },
    //重置
    resetForm() {
      this.$refs.courseForm.resetFields();
    },
    //删除单个数据
    deleteById(row) {
      this.$confirm("是否删除该课程？", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning"
      }).then(() => {
        var url = core_api + "/course/" + row.id;
        this.$http
          .delete(url)
          .then(() => {
            this.$notify({
              type: "success",
              message: "删除成功！"
            });
            this.searchForm();
          })
          .catch(response => {
            if (response.status == 500) {
              this.$notify({
                showClose: true,
                message: response.data.desc,
                type: "error"
              });
            }
          });
      });
    },
    //删除多条数据
    deleteByIds() {
      if (this.selectedCourseIds.length === 0) {
        this.$notify({
          type: "warning",
          message: "请选择要删除的课程"
        });
      } else {
        this.$confirm("是否删除这些课程？", "提示", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "error"
        }).then(() => {
          var url = core_api + "/course/" + this.courseIds;
          this.$http
            .delete(url)
            .then(() => {
              this.$notify({
                type: "success",
                message: "删除成功！"
              });
              this.searchForm();
            })
            .catch(response => {
              if (response.status == 500) {
                this.$notify({
                  showClose: true,
                  message: response.data.desc,
                  type: "error"
                });
              }
            });
        });
      }
    },
    //启用
    enableByIds() {
      if (this.selectedCourseIds.length === 0) {
        this.$notify({
          type: "warning",
          message: "请选择要开启的课程"
        });
      } else {
        this.$confirm("是否启用这些课程？", "提示", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(() => {
          var url = core_api + "/course/enable/" + this.courseIds;
          this.$http
            .put(url, {})
            .then(() => {
              this.$notify({
                type: "success",
                message: "开启成功！"
              });
              this.searchForm();
            })
            .catch(response => {
              if (response.status == 500) {
                this.$notify({
                  showClose: true,
                  message: response.data.desc,
                  type: "error"
                });
              }
            });
        });
      }
    },
    enableById(row) {
      this.$confirm("是否启用该课程？", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning"
      }).then(() => {
        var url = core_api + "/course/enable/" + row.id;
        this.$http
          .put(url, {})
          .then(() => {
            this.$notify({
              type: "success",
              message: "开启成功！"
            });
            this.searchForm();
          })
          .catch(response => {
            if (response.status == 500) {
              this.$notify({
                showClose: true,
                message: response.data.desc,
                type: "error"
              });
            }
          });
      });
    },
    //禁用
    disableByIds() {
      if (this.selectedCourseIds.length === 0) {
        this.$notify({
          type: "warning",
          message: "请选择要禁用的课程"
        });
      } else {
        this.$confirm("是否禁用这些课程？", "提示", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "error"
        }).then(() => {
          var url = core_api + "/course/disable/" + this.courseIds;
          this.$http
            .put(url, {})
            .then(() => {
              this.$notify({
                type: "success",
                message: "禁用成功！"
              });
              this.searchForm();
            })
            .catch(response => {
              if (response.status == 500) {
                this.$notify({
                  showClose: true,
                  message: response.data.desc,
                  type: "error"
                });
              }
            });
        });
      }
    },
    //禁用
    disableById(row) {
      this.$confirm("是否禁用该课程？", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "error"
      }).then(() => {
        var url = core_api + "/course/disable/" + row.id;
        this.$http
          .put(url, {})
          .then(() => {
            this.$notify({
              type: "success",
              message: "禁用成功！"
            });
            this.searchForm();
          })
          .catch(response => {
            if (response.status == 500) {
              this.$notify({
                showClose: true,
                message: response.data.desc,
                type: "error"
              });
            }
          });
      });
    },
    //导入
    impCourse() {
      this.impDialog = true;
      this.initUpload();
    },
    initUpload() {
      this.fileList = [];
    },
    beforeUpload(file) {
      console.log(file);
    },
    uploadProgress() {
      console.log("uploadProgress");
    },
    uploadSuccess(response) {
      if (!response.hasError) {
        this.$notify({
          message: "上传成功",
          type: "success"
        });
        this.fileLoading = false;
        this.impDialog = false;
        this.searchForm();
      } else {
        this.fileLoading = false;
        this.impDialog = false;
        this.errMessages = response.failRecords;
        this.errDialog = true;
      }
    },
    uploadError(response) {
      var jsonStr = response.message.substring(4);
      var resp = eval("(" + jsonStr + ")");
      if (response.status == 500) {
        this.$notify({
          message: resp.desc,
          type: "error"
        });
      }
      this.fileLoading = false;
    },
    //确定上传
    submitUpload() {
      if (!this.checkUpload()) {
        return false;
      }
      this.$refs.upload.submit();
      this.fileLoading = true;
    },
    checkUpload() {
      var fileList = this.$refs.upload.uploadFiles;
      if (fileList.length == 0) {
        this.$notify({
          message: "上传文件不能为空",
          type: "error"
        });
        return false;
      }
      if (fileList.length > 1) {
        this.$notify({
          message: "每次只能上传一个文件",
          type: "error"
        });
        return false;
      }
      for (let file of fileList) {
        if (!file.name.endsWith(".xlsx")) {
          this.$notify({
            message: "上传文件必须为xlsx格式",
            type: "error"
          });
          this.initUpload();
          return false;
        }
      }
      return true;
    },
    //清空文件
    removeFile() {
      // this.fileList = [];
      this.$refs.upload.clearFiles();
    },
    //下载模板
    exportFile() {
      window.location.href =
        core_api +
        "/course/importTemplate?$key=" +
        this.user.key +
        "&$token=" +
        this.user.token;
    }
  },
  //初始化查询
  created() {
    this.searchForm();
    this.uploadHeaders = {
      key: this.user.key,
      token: this.user.token
    };
  }
};
</script>

<style scoped>
.input_width_lg {
  width: 180px;
}

.pull-center {
  margin-left: 30%;
}
</style>