TienChin-课程管理-展示课程列表

ALTER TABLE `tienchin_course` 
MODIFY COLUMN `info` varchar(255) NULL DEFAULT NULL COMMENT '课程简介' AFTER `apply_to`;

/**
 * 课程简介
 */
private String info;

// get set 略过

INSERT INTO `TienChin`.`tienchin_course` (`course_id`, `type`, `name`, `price`, `apply_to`, `info`, `remark`, `create_by`, `update_by`, `create_time`, `update_time`, `del_flag`) VALUES (1, 1, '爵士舞', 2999, 1, '爵士舞入门', NULL, NULL, NULL, NULL, '2023-09-24 02:11:21', '0');

/**
 * <p>
 *  前端控制器
 * </p>
 *
 * @author BNTang
 * @since 2023-09-23
 */
@RestController
@RequestMapping("/tienchin/course")
public class CourseController extends BaseController {

    @Resource
    private ICourseService iCourseService;

    @PreAuthorize("hasPermission('tienchin:course:list')")
    @GetMapping("/list")
    TableDataInfo list() {
        startPage();
        return getDataTable(iCourseService.selectCourseList());
    }
}

/**
 * <p>
 * 服务类
 * </p>
 *
 * @author BNTang
 * @since 2023-09-23
 */
public interface ICourseService extends IService<Course> {

    /**
     * 查询课程列表
     *
     * @return 课程列表
     */
    List<Course> selectCourseList();
}

/**
 * <p>
 * 服务实现类
 * </p>
 *
 * @author BNTang
 * @since 2023-09-23
 */
@Service
public class CourseServiceImpl
        extends ServiceImpl<CourseMapper, Course>
        implements ICourseService {

    @Resource
    private CourseMapper courseMapper;

    @Override
    public List<Course> selectCourseList() {
        return courseMapper.selectCourseList();
    }
}

/**
 * <p>
 *  Mapper 接口
 * </p>
 *
 * @author BNTang
 * @since 2023-09-23
 */
public interface CourseMapper extends BaseMapper<Course> {

    /**
     * 查询课程列表
     *
     * @return 课程列表
     */
    List<Course> selectCourseList();
}

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="top.it6666.course.mapper.CourseMapper">
    <select id="selectCourseList" resultType="top.it6666.course.entity.Course">
        SELECT *
        FROM tienchin_course
        WHERE del_flag = 0
    </select>
</mapper>

import request from '@/utils/request'

/**
 * 查询课程列表
 * @param query 查询条件参数
 * @returns {*} 查询结果
 */
export function listCourse(query) {
    return request({
        url: '/tienchin/course/list',
        method: 'get',
        params: query
    })
}

/**
 * 查询渠道列表
 * @returns {*} 查询结果
 */
export function listChannel() {
    return request({
        url: '/tienchin/activity/channel/list',
        method: 'get'
    })
}

/**
 * 查询课程详细
 * @param activityId 课程ID
 * @returns {*} 查询结果
 */
export function getInfo(activityId) {
    return request({
        url: '/tienchin/activity/' + activityId,
        method: 'get'
    })
}

// 查询课程详细
export function getCourse(activityId) {
    return request({
        url: '/tienchin/activity/' + activityId,
        method: 'get'
    })
}

// 新增课程
export function addCourse(data) {
    return request({
        url: '/tienchin/activity',
        method: 'post',
        data: data
    })
}

// 修改课程
export function updateCourse(data) {
    return request({
        url: '/tienchin/activity',
        method: 'put',
        data: data
    })
}

// 删除课程
export function delCourse(activityIds) {
    return request({
        url: '/tienchin/activity/' + activityIds,
        method: 'delete'
    })
}

<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryRef" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="课程名称" prop="courseName">
        <el-input
            v-model="queryParams.courseName"
            placeholder="请输入课程名称"
            clearable
            @keyup.enter="handleQuery"
        />
      </el-form-item>
      <el-form-item label="渠道名称" prop="channelId">
        <el-select
            v-model="queryParams.channelId"
            placeholder="请选择渠道名称"
            clearable
        >
          <el-option
              v-for="channel in channelList"
              :key="channel.channelId"
              :label="channel.channelName"
              :value="channel.channelId"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="课程状态" prop="courseStatus">
        <el-select
            v-model="queryParams.courseStatus"
            placeholder="请选择课程状态"
            clearable
        >
          <el-option
              v-for="dict in course_status"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="课程类型" prop="courseType">
        <el-select
            v-model="queryParams.courseType"
            placeholder="请选择课程类型"
            clearable
        >
          <el-option
              v-for="dict in course_type"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
        <el-button icon="Refresh" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
            type="primary"
            plain
            icon="Plus"
            @click="handleAdd"
            v-hasPermi="['tienchin:course:create']"
        >新增
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
            type="success"
            plain
            icon="Edit"
            :disabled="single"
            @click="handleUpdate"
            v-hasPermi="['tienchin:course:edit']"
        >修改
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
            type="danger"
            plain
            icon="Delete"
            :disabled="multiple"
            @click="handleDelete"
            v-hasPermi="['tienchin:course:remove']"
        >删除
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
            type="warning"
            plain
            icon="Download"
            @click="handleExport"
            v-hasPermi="['tienchin:course:export']"
        >导出
        </el-button>
      </el-col>
      <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="courseList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center"/>
      <el-table-column label="课程编号" align="center" prop="courseId" :show-overflow-tooltip="true"/>
      <el-table-column label="课程类型" align="center">
        <template #default="scope">
          <dict-tag :options="course_type" :value="scope.row.type"/>
        </template>
      </el-table-column>
      <el-table-column label="课程名称" align="center" :show-overflow-tooltip="true" prop="name"/>
      <el-table-column label="课程价格" align="center" :show-overflow-tooltip="true" prop="price"/>
      <el-table-column label="课程适用人群" align="center" width="120">
        <template #default="scope">
          <dict-tag :options="course_apply_to" :value="scope.row.applyTo"/>
        </template>
      </el-table-column>
      <el-table-column label="课程简介" :show-overflow-tooltip="true" width="180" align="center" prop="info"/>
      <el-table-column label="课程备注" :show-overflow-tooltip="true" width="180" align="center" prop="remark"/>
      <el-table-column label="创建时间" align="center" prop="createTime">
        <template #default="scope">
          <span>{{ parseTime(scope.row.createTime) }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width" width="150">
        <template #default="scope">
          <el-button
              type="text"
              icon="Edit"
              @click="handleUpdate(scope.row)"
              v-hasPermi="['tienchin:course:edit']"
          >修改
          </el-button>
          <el-button
              type="text"
              icon="Delete"
              @click="handleDelete(scope.row)"
              v-hasPermi="['tienchin:course:remove']"
          >删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
        v-show="total > 0"
        :total="total"
        v-model:page="queryParams.pageNum"
        v-model:limit="queryParams.pageSize"
        @pagination="getList"
    />

    <!-- 添加或修改课程对话框 -->
    <el-dialog :title="title" v-model="open" width="500px" append-to-body>
      <el-form ref="courseRef" :model="form" :rules="rules" label-width="80px">
        <el-row>
          <el-col :span="12">
            <el-form-item label="渠道来源" prop="channelId">
              <el-select
                  v-model="form.channelId"
                  placeholder="请选择渠道来源"
                  clearable
                  style="width: 240px;"
              >
                <el-option
                    v-for="channel in channelList"
                    :key="channel.channelId"
                    :label="channel.channelName"
                    :value="channel.channelId"
                />
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="课程名称" prop="courseName">
              <el-input v-model="form.courseName" placeholder="请输入课程名称"/>
            </el-form-item>
          </el-col>
        </el-row>
        <el-row>
          <el-col :span="24">
            <el-form-item label="课程时间" style="width: 100%;" prop="courseTime">
              <el-date-picker
                  style="width: 100%;"
                  v-model="form.courseTime"
                  format="YYYY-MM-DD HH:mm:ss"
                  type="datetimerange"
                  range-separator="-"
                  start-placeholder="开始日期"
                  end-placeholder="结束日期"
              />
            </el-form-item>
          </el-col>
        </el-row>
        <el-row>
          <el-col :span="12">
            <el-form-item label="课程简介" prop="courseInfo">
              <el-input v-model="form.courseInfo" placeholder="请输入课程简介"/>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="课程类型" prop="courseType">
              <el-select
                  v-model="form.courseType"
                  placeholder="请选择课程类型"
                  clearable
                  style="width: 240px;"
              >
                <el-option
                    v-for="dict in course_type"
                    :key="dict.value"
                    :label="dict.label"
                    :value="parseInt(dict.value)"
                />
              </el-select>
            </el-form-item>
          </el-col>
        </el-row>
        <el-row>
          <el-col :span="15">
            <el-form-item label="折扣券" prop="discount" v-if="parseInt(form.courseType) === 1">
              <el-input-number
                  v-model="form.discount"
                  placeholder="请输入折扣值"
                  :precision="2"
                  :step="0.1"
                  :max="10"
                  :min="0"
                  style="width: 100%;"
              />
            </el-form-item>
            <el-form-item label="代金券" prop="voucher" v-if="parseInt(form.courseType) === 2">
              <el-input-number
                  v-model="form.voucher"
                  placeholder="请输入代金券面值"
                  :precision="2"
                  :step="100"
                  :min="0"
                  style="width: 100%;"
              />
            </el-form-item>
          </el-col>
        </el-row>
        <el-form-item label="备注" prop="remark">
          <el-input v-model="form.remark" type="textarea" placeholder="请输入内容"/>
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script setup name="Course">
import {
  addCourse,
  listCourse,
  listChannel,
  getInfo,
  updateCourse,
  delCourse
} from "@/api/tienchin/course";

const {proxy} = getCurrentInstance();
const {
  course_type,
  course_apply_to,
} = proxy.useDict('course_type', 'course_apply_to');

const courseList = ref([]);
const channelList = ref([]);
const open = ref(false);
const loading = ref(true);
const showSearch = ref(true);
const ids = ref([]);
const single = ref(true);
const multiple = ref(true);
const total = ref(0);
const title = ref("");

const data = reactive({
  form: {},
  queryParams: {
    pageNum: 1,
    pageSize: 10,
    courseName: undefined,
    channelId: undefined,
    courseStatus: undefined,
    courseType: undefined
  },
  rules: {
    channelId: [{required: true, message: "渠道来源不能为空", trigger: "blur"}],
    courseName: [{required: true, message: "课程名称不能为空", trigger: "blur"}],
    courseTime: [{required: true, message: "课程时间不能为空", trigger: "blur"}],
    courseInfo: [{required: true, message: "课程简介不能为空", trigger: "blur"}],
    courseType: [{required: true, message: "课程类型不能为空", trigger: "blur"}],
    discount: [{required: true, message: "折扣值不能为空", trigger: "blur"}],
    voucher: [{required: true, message: "代金券面值不能为空", trigger: "blur"}]
  }
});

const {queryParams, form, rules} = toRefs(data);

/** 查询课程列表 */
function getList() {
  loading.value = true;
  listCourse(queryParams.value).then(response => {
    courseList.value = response.rows;
    total.value = response.total;
    loading.value = false;
  });
}

/** 取消按钮 */
function cancel() {
  open.value = false;
  reset();
}

/** 表单重置 */
function reset() {
  form.value = {
    channelId: undefined,
    courseName: undefined,
    courseTime: undefined,
    courseInfo: undefined,
    courseType: undefined,
    discount: undefined,
    voucher: undefined,
    remark: undefined
  };
  proxy.resetForm("courseRef");
}

/** 搜索按钮操作 */
function handleQuery() {
  queryParams.value.pageNum = 1;
  getList();
}

/** 重置按钮操作 */
function resetQuery() {
  proxy.resetForm("queryRef");
  handleQuery();
}

/** 多选框选中数据 */
function handleSelectionChange(selection) {
  ids.value = selection.map(item => item.courseId);
  single.value = selection.length !== 1;
  multiple.value = !selection.length;
}

/** 新增按钮操作 */
function handleAdd() {
  reset();
  // handelChannelList();
  open.value = true;
  title.value = "添加课程";
}

/** 修改按钮操作 */
function handleUpdate(row) {
  reset();
  // 加载渠道列表
  // handelChannelList();

  const courseId = row.courseId || ids.value;
  getInfo(courseId).then(response => {
    form.value = response.data;
    form.value.courseTime = [form.value.beginTime, form.value.endTime];

    open.value = true;
    title.value = "修改课程";
  });
}

/** 提交按钮 */
function submitForm() {
  proxy.$refs["courseRef"].validate(valid => {
    if (valid) {
      if (form.value.courseId !== undefined) {
        form.value.beginTime = formatDate(form.value.courseTime[0]);
        form.value.endTime = formatDate(form.value.courseTime[1]);

        // 删除掉，form 中的 updateTime 字段
        // 删除掉，form 中的 createTime 字段
        delete form.value.updateTime;
        delete form.value.createTime;

        updateCourse(form.value).then(response => {
          proxy.$modal.msgSuccess("修改成功");
          open.value = false;
          getList();
        });
      } else {
        form.value.beginTime = formatDate(form.value.courseTime[0]);
        form.value.endTime = formatDate(form.value.courseTime[1]);
        addCourse(form.value).then(response => {
          proxy.$modal.msgSuccess("新增成功");
          open.value = false;
          getList();
        });
      }
    }
  });
}

/** 删除按钮操作 */
function handleDelete(row) {
  const courseIds = row.courseId || ids.value;
  proxy.$modal.confirm('是否确认删除课程编号为"' + courseIds + '"的数据项？').then(function () {
    return delCourse(courseIds);
  }).then(() => {
    getList();
    proxy.$modal.msgSuccess("删除成功");
  }).catch(() => {
  });
}

/** 导出按钮操作 */
function handleExport() {
  proxy.download("tienchin/course/export", {
    ...queryParams.value
  }, `course_${new Date().getTime()}.xlsx`);
}

/**
 * 获取渠道列表
 */
function handelChannelList() {
  listChannel().then(response => {
    channelList.value = response.data;
  });
}

function formatDate(isoDateString) {
  // 创建一个新的日期对象
  var date = new Date(isoDateString);

  // 提取年、月、日、小时、分钟和秒
  var year = date.getFullYear();
  var month = (date.getMonth() + 1).toString().padStart(2, "0");
  var day = date.getDate().toString().padStart(2, "0");
  var hours = date.getHours().toString().padStart(2, "0");
  var minutes = date.getMinutes().toString().padStart(2, "0");
  var seconds = date.getSeconds().toString().padStart(2, "0");

  // 构建格式化后的日期时间字符串
  var formattedDate = year + "-" + month + "-" + day + " " + hours + ":" + minutes + ":" + seconds;

  // 返回格式化后的日期时间字符串
  return formattedDate;
}

handelChannelList();
getList();
</script>