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首页获取图片api的qps被限制为1,修复该bug 

课堂项目科目功能实现
This commit is contained in:
xjs 2022-07-02 16:58:47 +08:00
parent 3225117afa
commit 04969a5460
18 changed files with 600 additions and 17 deletions
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28
ruoyi-ui/src/api/classroom/vod/subject.js Normal file
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@ -0,0 +1,28 @@
import request from '@/utils/request'
const api_name = '/classroom-service-vod/admin/vod/subject'
export default {
//课程分类列表
getChildList(id) {
return request({
url: `${api_name}/getChildSubject/${id}`,
method: 'get'
})
},
addSubject(pid, subjectName) {
return request({
url: `${api_name}/addSubject/${pid}`,
method: 'post',
params:subjectName
})
},
delSubject(id) {
return request({
url: `${api_name}/delSubject/${id}`,
method: 'delete',
})
}
}

140
ruoyi-ui/src/views/classroom/vod/subject/list.vue Normal file
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@ -0,0 +1,140 @@
<template>
<div class="app-container">
<el-table
:data="list"
style="width: 100%"
row-key="id"
border
lazy
:load="load"
:tree-props="{children: 'children', hasChildren: 'hasChildren'}">
<el-table-column
prop="title"
label="名称"
width="150">
</el-table-column>
<el-table-column
prop="createTime"
width="200"
label="创建时间">
</el-table-column>
<el-table-column label="操作" width="200" align="center">
<template slot-scope="scope">
<el-button @click="open(scope.row)" type="text" size="mini">添加</el-button>
<el-button type="text" size="mini">修改</el-button>
<el-button type="text" size="mini" @click="delSubject(scope.row.id)">删除</el-button>
</template>
</el-table-column>
</el-table>
<div class="el-toolbar">
<div class="el-toolbar-body" style="justify-content: flex-start;">
<el-button type="text" @click="exportData"><i class="fa fa-plus"/> 导出</el-button>
<el-button type="text" @click="importData"><i class="fa fa-plus"/> 导入</el-button>
</div>
</div>
<el-dialog title="导入" :visible.sync="dialogImportVisible" width="480px">
<el-form label-position="right" label-width="170px">
<el-form-item label="文件">
<el-upload
:multiple="false"
:on-success="onUploadSuccess"
:action="'http://localhost:8080/classroom-service-vod/admin/vod/subject/importData'"
class="upload-demo">
<el-button size="small" type="primary">点击上传</el-button>
<div slot="tip" class="el-upload__tip">只能上传xls文件，且不超过500kb</div>
</el-upload>
</el-form-item>
</el-form>
<div slot="footer" class="dialog-footer">
<el-button @click="dialogImportVisible = false">取消</el-button>
</div>
</el-dialog>
</div>
</template>
<script>
import subjectApi from '@/api/classroom/vod/subject'
export default {
data() {
return {
dialogImportVisible: false,
list: [], //数据字典列表数组
}
},
created() {
this.getSubList(0)
},
methods: {
importData() {
this.dialogImportVisible = true
},
onUploadSuccess(response, file) {
this.$message.info('上传成功')
this.dialogImportVisible = false
this.getSubList(0)
},
//导出
exportData() {
window.open("http://localhost:8080/classroom-service-vod/admin/vod/subject/exportData")
},
//数据字典列表
getSubList(id) {
subjectApi.getChildList(id)
.then(response => {
this.list = response.data
})
},
load(tree, treeNode, resolve) {
subjectApi.getChildList(tree.id).then(response => {
resolve(response.data)
})
},
addSubject(data, params) {
subjectApi.addSubject(data.id, params).then(res => {
this.getSubList(0)
})
},
open(data) {
this.$prompt('请输入名称', '提示', {
confirmButtonText: '确定',
cancelButtonText: '取消',
}).then(({value}) => {
let params = {
subjectName: value
}
this.addSubject(data, params)
this.$message({
type: 'success',
message: "添加成功"
});
}).catch(() => {
this.$message({
type: 'info',
message: '取消输入'
});
});
},
delSubject(id) {
subjectApi.delSubject(id).then(res =>{
this.$modal.notifySuccess("删除成功")
this.list=[]
this.getSubList(0)
})
},
}
}
</script>

20
ruoyi-ui/src/views/classroom/vod/teacher/form.vue
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@ -3,16 +3,16 @@
<!-- 输入表单 -->
<el-form label-width="120px" :model="teacher" :rules="rules" ref="form">
<el-form-item label="讲师名称" prop="name">
<el-input v-model="teacher.name"/>
<el-input v-model="teacher.name" :disabled="onlyRead"/>
</el-form-item>
<el-form-item label="入驻时间" prop="joinDate">
<el-date-picker v-model="teacher.joinDate" value-format="yyyy-MM-dd"/>
<el-date-picker v-model="teacher.joinDate" value-format="yyyy-MM-dd" :disabled="onlyRead"/>
</el-form-item>
<el-form-item label="讲师排序" prop="sort">
<el-input-number v-model="teacher.sort" :min="0"/>
<el-input-number v-model="teacher.sort" :min="0" :disabled="onlyRead"/>
</el-form-item>
<el-form-item label="讲师头衔" prop="level">
<el-select v-model="teacher.level">
<el-select v-model="teacher.level" :disabled="onlyRead">
<!--
数据类型一定要和取出的json中的一致，否则没法回填
因此，这里value使用动态绑定的值，保证其数据类型是number
@ -22,16 +22,17 @@
</el-select>
</el-form-item>
<el-form-item label="讲师简介" prop="intro">
<el-input v-model="teacher.intro"/>
<el-input v-model="teacher.intro" :disabled="onlyRead"/>
</el-form-item>
<el-form-item label="讲师资历" prop="career">
<el-input v-model="teacher.career" :rows="10" type="textarea"/>
<el-input v-model="teacher.career" :rows="10" type="textarea" :disabled="onlyRead"/>
</el-form-item>
<!-- 讲师头像 -->
<!-- 讲师头像 -->
<el-form-item label="讲师头像" prop="avatar">
<el-form-item label="讲师头像" prop="avatar" >
<el-upload
:disabled=onlyRead
ref="avatar"
:on-success="handleAvatarSuccess"
:before-upload="beforeAvatarUpload"
@ -48,7 +49,7 @@
</el-upload>
</el-form-item>
<el-form-item>
<el-form-item v-if="!onlyRead">
<el-button type="primary" @click="saveOrUpdate()">保存</el-button>
</el-form-item>
</el-form>
@ -69,6 +70,8 @@ export default {
avatar: null
},
onlyRead: false,
fileList: [],
rules: {
@ -102,6 +105,7 @@ export default {
if (this.$route.query.id) {
const id = this.$route.query.id
this.fetchDataById(id)
this.onlyRead = this.$route.query.onlyRead
}
},

9
ruoyi-ui/src/views/classroom/vod/teacher/list.vue
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@ -2,8 +2,8 @@
<div class="app-container">
<!--查询表单-->
<el-card class="operate-container" shadow="never">
<el-form :inline="true" class="demo-form-inline">
<el-card class="operate-container" shadow="hover">
<el-form :inline="true" class="demo-form-inline" style="height: 40px">
<el-form-item label="名称">
<el-input v-model="searchObj.name" placeholder="讲师名"/>
</el-form-item>
@ -34,7 +34,7 @@
</el-card>
<!-- 工具按钮 -->
<el-card class="operate-container" shadow="never">
<el-card class="operate-container" shadow="hover">
<i class="el-icon-tickets" style="margin-top: 5px"></i>
<span style="margin-top: 5px">数据列表</span>
<el-button class="btn-add" @click="add()" style="margin-left: 10px;">添加</el-button>
@ -67,6 +67,9 @@
<el-table-column prop="joinDate" label="入驻时间" width="160"/>
<el-table-column label="操作" width="200" align="center">
<template slot-scope="scope">
<router-link :to="{path:'/classroom/classroom-teacher/teacher-form/',query:{id:scope.row.id,onlyRead:true}}">
<el-button type="text" size="mini">查看</el-button>
</router-link>
<router-link :to="{path:'/classroom/classroom-teacher/teacher-form/',query:{id:scope.row.id}}">
<el-button type="text" size="mini">修改</el-button>
</router-link>

16
xjs-business/xjs-business-openapi/src/main/java/com/xjs/apitools/domain/ApiBeautyPicture.java
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@ -1,8 +1,13 @@
package com.xjs.apitools.domain;
import com.baomidou.mybatisplus.annotation.FieldFill;
import com.baomidou.mybatisplus.annotation.TableField;
import com.baomidou.mybatisplus.annotation.TableId;
import com.baomidou.mybatisplus.annotation.TableName;
import lombok.Data;
import java.io.Serializable;
import java.util.Date;
/**
* api mm图片实体
@ -11,24 +16,35 @@ import java.io.Serializable;
* @since 2022-01-19
*/
@Data
@TableName("api_beauty_picture")
public class ApiBeautyPicture implements Serializable {
private static final long serialVersionUID = 1L;
@TableId
private Long id;
/**
* 福利图片链接
*/
@TableField("url")
private String imageUrl;
/**
* 福利图片尺寸
*/
@TableField("size")
private String imageSize;
/**
* 福利图片文件大小
*/
@TableField("length")
private String imageFileLength;
@TableField(fill = FieldFill.INSERT)
private Date createTime;
}

16
xjs-business/xjs-business-openapi/src/main/java/com/xjs/apitools/mapper/BeautyPictureMapper.java Normal file
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@ -0,0 +1,16 @@
package com.xjs.apitools.mapper;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.xjs.apitools.domain.ApiBeautyPicture;
import java.util.List;
/**
* @author xiejs
* @since 2022-07-02
*/
public interface BeautyPictureMapper extends BaseMapper<ApiBeautyPicture> {
List<ApiBeautyPicture> getRandomPicture();
}

17
xjs-business/xjs-business-openapi/src/main/java/com/xjs/apitools/service/BeautyPictureService.java Normal file
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@ -0,0 +1,17 @@
package com.xjs.apitools.service;
import com.xjs.apitools.domain.ApiBeautyPicture;
import java.util.List;
/**
* @author xiejs
* @since 2022-07-02
*/
public interface BeautyPictureService {
/**
* 获取随机的图片
* @return list
*/
List<ApiBeautyPicture> getRandomPicture();
}

20
xjs-business/xjs-business-openapi/src/main/java/com/xjs/apitools/service/impl/ApiToolsServiceImpl.java
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@ -4,21 +4,27 @@ import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.date.ChineseDate;
import cn.hutool.core.date.DateTime;
import cn.hutool.core.date.DateUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.ruoyi.common.core.utils.StringUtils;
import com.xjs.apitools.domain.*;
import com.xjs.apitools.factory.ApiToolsFactory;
import com.xjs.apitools.factory.impl.*;
import com.xjs.apitools.mapper.BeautyPictureMapper;
import com.xjs.apitools.service.ApiToolsService;
import com.xjs.exception.ApiException;
import com.xjs.utils.WeekUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Service;
import org.springframework.util.CollectionUtils;
import javax.annotation.Resource;
import java.math.BigDecimal;
import java.math.RoundingMode;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import java.util.Optional;
import java.util.stream.Collectors;
/**
@ -35,6 +41,9 @@ public class ApiToolsServiceImpl implements ApiToolsService {
*/
public static final String KB = "KB";
@Resource
private BeautyPictureMapper beautyPictureMapper;
private ApiToolsFactory<ApiHoliday, Object> holidayFactory;
private ApiToolsFactory<ApiMobileBelong, RequestBody> mobileBelongFactory;
private ApiToolsFactory<ApiNowWeather, RequestBody> nowWeatherFactory;
@ -166,9 +175,9 @@ public class ApiToolsServiceImpl implements ApiToolsService {
@Override
public List<ApiBeautyPicture> getBeautyPictureList() {
List<ApiBeautyPicture> apiBeautyPictureList = beautyPictureFactory.apiDataList();
List<ApiBeautyPicture> apiBeautyPictureList = Optional.ofNullable(beautyPictureFactory.apiDataList()).orElseGet(ArrayList::new);
if (CollUtil.isEmpty(apiBeautyPictureList)) {
throw new ApiException("获取的mm图片数据为空");
return apiBeautyPictureList;
}
apiBeautyPictureList.forEach(bp -> {
String imageFileLength = bp.getImageFileLength();
@ -176,8 +185,15 @@ public class ApiToolsServiceImpl implements ApiToolsService {
BigDecimal decimal = new BigDecimal(imageFileLength);
BigDecimal divide = decimal.divide(new BigDecimal(1024), 0, RoundingMode.HALF_UP);
bp.setImageFileLength(divide.toPlainString() + KB);
//保存到数据库
List<ApiBeautyPicture> pictureList = beautyPictureMapper.selectList(new LambdaQueryWrapper<ApiBeautyPicture>().eq(ApiBeautyPicture::getImageUrl, bp.getImageUrl()));
if (CollectionUtils.isEmpty(pictureList)) {
beautyPictureMapper.insert(bp);
}
}
});
return apiBeautyPictureList;
}

27
xjs-business/xjs-business-openapi/src/main/java/com/xjs/apitools/service/impl/BeautyPictureServiceImpl.java Normal file
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@ -0,0 +1,27 @@
package com.xjs.apitools.service.impl;
import com.xjs.apitools.domain.ApiBeautyPicture;
import com.xjs.apitools.mapper.BeautyPictureMapper;
import com.xjs.apitools.service.BeautyPictureService;
import org.springframework.stereotype.Service;
import javax.annotation.Resource;
import java.util.List;
/**
* @author xiejs
* @since 2022-07-02
*/
@Service
public class BeautyPictureServiceImpl implements BeautyPictureService {
@Resource
private BeautyPictureMapper beautyPictureMapper;
@Override
public List<ApiBeautyPicture> getRandomPicture() {
List<ApiBeautyPicture> beautyPictureList = beautyPictureMapper.getRandomPicture();
return beautyPictureList;
}
}

9
xjs-business/xjs-business-openapi/src/main/java/com/xjs/common/controller/IndexController.java
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@ -10,6 +10,7 @@ import com.ruoyi.system.api.domain.SysOperLog;
import com.ruoyi.system.api.model.LoginUser;
import com.xjs.apitools.domain.ApiBeautyPicture;
import com.xjs.apitools.service.ApiToolsService;
import com.xjs.apitools.service.BeautyPictureService;
import com.xjs.business.english.RemoteEnglishFeign;
import com.xjs.business.english.domain.EnglishWordDTO;
import com.xjs.business.log.RemoteLogFeign;
@ -78,6 +79,8 @@ public class IndexController {
private ApiToolsService apiToolsService;
@Autowired
private IPService ipService;
@Autowired
private BeautyPictureService beautyPictureService;
@GetMapping("showData")
@ApiOperation("展示数据")
@ -174,11 +177,13 @@ public class IndexController {
.map(ApiBeautyPicture::getImageUrl).collect(Collectors.toList()), executor);
CompletableFuture<List<String>> twoFuture = CompletableFuture.supplyAsync(() ->
apiToolsService.getBeautyPictureList().stream()
//apiToolsService.getBeautyPictureList().stream()
beautyPictureService.getRandomPicture().stream()
.map(ApiBeautyPicture::getImageUrl).collect(Collectors.toList()), executor);
CompletableFuture<List<String>> threeFuture = CompletableFuture.supplyAsync(() ->
apiToolsService.getBeautyPictureList().stream()
//apiToolsService.getBeautyPictureList().stream()
beautyPictureService.getRandomPicture().stream()
.map(ApiBeautyPicture::getImageUrl).collect(Collectors.toList()), executor);

22
xjs-business/xjs-business-openapi/src/main/resources/mapper/openapi/ApiBeautyPictureMapper.xml Normal file
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@ -0,0 +1,22 @@
<?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="com.xjs.apitools.mapper.BeautyPictureMapper">
<resultMap id="beautyPictureMap" type="com.xjs.apitools.domain.ApiBeautyPicture">
<result property="id" column="id"/>
<result property="imageUrl" column="url"/>
<result property="imageSize" column="size"/>
<result property="imageFileLength" column="length"/>
<result property="createTime" column="create_time"/>
</resultMap>
<select id="getRandomPicture" resultMap="beautyPictureMap">
SELECT url
FROM api_beauty_picture
ORDER BY RAND()
LIMIT 10
</select>
</mapper>

90
xjs-business/xjs-project-classroom/classroom-service/classroom-service-vod/src/main/java/com/xjs/classroom/vod/controller/SubjectController.java Normal file
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@ -0,0 +1,90 @@
package com.xjs.classroom.vod.controller;
import cn.hutool.core.collection.CollUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.xjs.classroom.model.vod.Subject;
import com.xjs.classroom.vod.service.ISubjectService;
import com.xjs.exception.BusinessException;
import com.xjs.utils.Result;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import javax.servlet.http.HttpServletResponse;
import java.util.List;
/**
* <p>
* 课程科目 前端控制器
* </p>
*
* @author xiejs
* @since 2022-06-30
*/
@RestController
@RequestMapping("/admin/vod/subject")
@Api(tags = "课程科目接口")
public class SubjectController {
@Autowired
private ISubjectService subjectService;
//课程分类列表
//懒加载，每次查询一层数据
@ApiOperation("课程分类列表")
@GetMapping("getChildSubject/{id}")
public Result<List<Subject>> getChildSubject(@PathVariable Long id) {
List<Subject> list = subjectService.selectSubjectList(id);
return Result.ok(list);
}
@ApiOperation("课程分类添加")
@PostMapping("addSubject/{pid}")
public Result<Subject> addSubject(@PathVariable Long pid, @RequestParam("subjectName") String subjectName) {
if (pid == null) {
pid = 0L;
}
Subject subject = new Subject();
subject.setParentId(pid);
subject.setTitle(subjectName);
subjectService.save(subject);
return Result.ok(null);
}
@ApiOperation("课程分类删除")
@DeleteMapping("delSubject/{id}")
public Result<Subject> delSubject(@PathVariable("id") Long id) {
Subject subject_p = subjectService.getById(id);
List<Subject> list = subjectService.list(new LambdaQueryWrapper<Subject>().eq(Subject::getParentId, subject_p.getId()));
if (CollUtil.isEmpty(list)) {
subjectService.removeById(id);
return Result.ok(null);
}else {
throw new BusinessException("存在子节点");
}
}
//课程分类导出
@ApiOperation("课程分类导出")
@GetMapping("exportData")
public void exportData(HttpServletResponse response) {
subjectService.exportData(response);
}
//课程分类导入
@ApiOperation("课程分类导入")
@PostMapping("importData")
public Result importData(MultipartFile file) {
subjectService.importData(file);
return Result.ok(null);
}
}

34
xjs-business/xjs-project-classroom/classroom-service/classroom-service-vod/src/main/java/com/xjs/classroom/vod/listener/SubjectListener.java Normal file
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@ -0,0 +1,34 @@
package com.xjs.classroom.vod.listener;
import com.alibaba.excel.context.AnalysisContext;
import com.alibaba.excel.event.AnalysisEventListener;
import com.xjs.classroom.model.vod.Subject;
import com.xjs.classroom.vo.vod.SubjectEeVo;
import com.xjs.classroom.vod.mapper.SubjectMapper;
import org.springframework.beans.BeanUtils;
import org.springframework.stereotype.Component;
import javax.annotation.Resource;
@Component
public class SubjectListener extends AnalysisEventListener<SubjectEeVo> {
//注入mapper
@Resource
private SubjectMapper subjectMapper;
//一行一行，从第二行
@Override
public void invoke(SubjectEeVo subjectEeVo, AnalysisContext analysisContext) {
Subject subject = new Subject();
// SubjectEeVo -- Subject
BeanUtils.copyProperties(subjectEeVo,subject);
//添加
subjectMapper.insert(subject);
}
@Override
public void doAfterAllAnalysed(AnalysisContext analysisContext) {
}
}

16
xjs-business/xjs-project-classroom/classroom-service/classroom-service-vod/src/main/java/com/xjs/classroom/vod/mapper/SubjectMapper.java Normal file
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@ -0,0 +1,16 @@
package com.xjs.classroom.vod.mapper;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.xjs.classroom.model.vod.Subject;
/**
* <p>
* 课程科目 Mapper 接口
* </p>
*
* @author xiejs
* @since 2022-06-30
*/
public interface SubjectMapper extends BaseMapper<Subject> {
}

5
xjs-business/xjs-project-classroom/classroom-service/classroom-service-vod/src/main/java/com/xjs/classroom/vod/mapper/xml/SubjectMapper.xml Normal file
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@ -0,0 +1,5 @@
<?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="com.xjs.classroom.vod.mapper.SubjectMapper">
</mapper>

32
xjs-business/xjs-project-classroom/classroom-service/classroom-service-vod/src/main/java/com/xjs/classroom/vod/service/ISubjectService.java Normal file
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@ -0,0 +1,32 @@
package com.xjs.classroom.vod.service;
import com.baomidou.mybatisplus.extension.service.IService;
import com.xjs.classroom.model.vod.Subject;
import org.springframework.web.multipart.MultipartFile;
import javax.servlet.http.HttpServletResponse;
import java.util.List;
/**
* <p>
* 课程科目 服务类
* </p>
*
* @author xiejs
* @since 2022-06-30
*/
public interface ISubjectService extends IService<Subject> {
/**
* 查询科目集合
* @param id
* @return
*/
List<Subject> selectSubjectList(Long id);
//课程分类导出
void exportData(HttpServletResponse response);
//课程分类导入
void importData(MultipartFile file);
}

112
xjs-business/xjs-project-classroom/classroom-service/classroom-service-vod/src/main/java/com/xjs/classroom/vod/service/impl/SubjectServiceImpl.java Normal file
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@ -0,0 +1,112 @@
package com.xjs.classroom.vod.service.impl;
import com.alibaba.excel.EasyExcel;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.xjs.classroom.model.vod.Subject;
import com.xjs.classroom.vo.vod.SubjectEeVo;
import com.xjs.classroom.vod.listener.SubjectListener;
import com.xjs.classroom.vod.mapper.SubjectMapper;
import com.xjs.classroom.vod.service.ISubjectService;
import com.xjs.exception.BusinessException;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.List;
/**
* <p>
* 课程科目 服务实现类
* </p>
*
* @author xiejs
* @since 2022-06-30
*/
@Service
public class SubjectServiceImpl extends ServiceImpl<SubjectMapper, Subject> implements ISubjectService {
@Autowired
private SubjectListener subjectListener;
@Override
public List<Subject> selectSubjectList(Long id) {
LambdaQueryWrapper<Subject> wrapper = new LambdaQueryWrapper<>();
wrapper.eq(Subject::getParentId, id);
List<Subject> subjectList = baseMapper.selectList(wrapper);
//subjectList遍历，得到每个subject对象，判断是否有下一层数据，有hasChildren=true
for (Subject subject : subjectList) {
//获取subject的id值
Long subjectId = subject.getId();
//查询
boolean isChild = this.isChildren(subjectId);
//封装到对象里面
subject.setHasChildren(isChild);
}
return subjectList;
}
//课程分类导出
@Override
public void exportData(HttpServletResponse response) {
try {
//设置下载信息
response.setContentType("application/vnd.ms-excel");
response.setCharacterEncoding("utf-8");
// 这里URLEncoder.encode可以防止中文乱码 当然和easyexcel没有关系
String fileName = URLEncoder.encode("课程分类", "UTF-8");
response.setHeader("Content-disposition", "attachment;filename="+ fileName + ".xlsx");
//查询课程分类表所有数据
List<Subject> subjectList = baseMapper.selectList(null);
//List<Subject> --- List<SubjectEeVo>
List<SubjectEeVo> subjectEeVoList = new ArrayList<>();
for (Subject subject: subjectList) {
SubjectEeVo subjectEeVo = new SubjectEeVo();
// subjectEeVo.setId(subject.getId());
// subjectEeVo.setParentId(subject.getParentId());
BeanUtils.copyProperties(subject,subjectEeVo);
subjectEeVoList.add(subjectEeVo);
}
//EasyExcel写操作
EasyExcel.write(response.getOutputStream(), SubjectEeVo.class)
.sheet("课程分类")
.doWrite(subjectEeVoList);
}catch(Exception e) {
throw new BusinessException("导出失败");
}
}
//课程分类导入
@Override
public void importData(MultipartFile file) {
try {
EasyExcel.read(file.getInputStream(),
SubjectEeVo.class,
subjectListener).sheet().doRead();
} catch (IOException e) {
throw new BusinessException("导入失败");
}
}
//判断是否有下一层数据
private boolean isChildren(Long subjectId) {
QueryWrapper<Subject> wrapper = new QueryWrapper<>();
wrapper.eq("parent_id", subjectId);
Long count = baseMapper.selectCount(wrapper);
// 1>0 true 0>0 false
return count > 0;
}
}

4
xjs-business/xjs-project-classroom/classroom-service/classroom-service-vod/src/test/java/CodeGet.java
View File

@ -8,7 +8,7 @@ public class CodeGet {
public static void main(String[] args) {
FastAutoGenerator.create("jdbc:mysql://localhost:3306/xjs-srb-core?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8",
FastAutoGenerator.create("jdbc:mysql://localhost:3306/xjs-classroom?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8",
"root", "root")
.globalConfig(builder -> {
builder.author("xiejs") // 设置作者
@ -22,7 +22,7 @@ public class CodeGet {
.pathInfo(Collections.singletonMap(OutputFile.mapperXml, "D:\\Dev\\IdeaPerject\\GitHub\\Cloud\\xjs-business\\xjs-project-classroom\\classroom-service\\classroom-service-vod\\src\\main\\resources\\mapper")); // 设置mapperXml生成路径
})
.strategyConfig(builder -> {
builder.addInclude("integral_grade")
builder.addInclude("subject")
.entityBuilder()
.enableLombok()
.logicDeleteColumnName("is_deleted")