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学习记录init

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master
wenyu441069198 8 months ago
parent 6f6365c52b
commit 69344986ec
5 changed files with 312 additions and 311 deletions
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  1. 12
      pom.xml
  2. 178
      src/main/java/com/teaching/backend/controller/records/LearningRecordsController.java
  3. 31
      src/main/java/com/teaching/backend/mapper/records/LearningRecordsMapper.java
  4. 364
      src/main/java/com/teaching/backend/service/impl/records/LearningRecordsServiceImpl.java
  5. 38
      src/main/java/com/teaching/backend/service/records/LearningRecordsService.java

12
pom.xml
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@ -98,12 +98,12 @@
<version>5.8.11</version> <version>5.8.11</version>
</dependency> </dependency>
<!-- pagehelper --> <!-- &lt;!&ndash; pagehelper &ndash;&gt;-->
<dependency> <!-- <dependency>-->
<groupId>com.github.pagehelper</groupId> <!-- <groupId>com.github.pagehelper</groupId>-->
<artifactId>pagehelper</artifactId> <!-- <artifactId>pagehelper</artifactId>-->
<version>4.1.6</version> <!-- <version>4.1.6</version>-->
</dependency> <!-- </dependency>-->
</dependencies> </dependencies>

178
src/main/java/com/teaching/backend/controller/records/LearningRecordsController.java
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@ -1,89 +1,89 @@
package com.teaching.backend.controller.records; //package com.teaching.backend.controller.records;
//
//
import com.github.pagehelper.PageHelper; //import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo; //import com.github.pagehelper.PageInfo;
import com.teaching.backend.common.BaseResponse; //import com.teaching.backend.common.BaseResponse;
import com.teaching.backend.common.ResultUtils; //import com.teaching.backend.common.ResultUtils;
//
import com.teaching.backend.model.entity.records.LearningRecords; //import com.teaching.backend.model.entity.records.LearningRecords;
import com.teaching.backend.model.vo.records.LearningRecordsVo; //import com.teaching.backend.model.vo.records.LearningRecordsVo;
import com.teaching.backend.service.impl.records.LearningRecordsServiceImpl; //import com.teaching.backend.service.impl.records.LearningRecordsServiceImpl;
import org.springframework.beans.factory.annotation.Autowired; //import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.ui.Model; //import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.*; //import org.springframework.web.bind.annotation.*;
//
import java.util.ArrayList; //import java.util.ArrayList;
import java.util.List; //import java.util.List;
//
@RestController //@RestController
@RequestMapping("/learningrecords") //@RequestMapping("/learningrecords")
public class LearningRecordsController { //public class LearningRecordsController {
//
@Autowired // @Autowired
private LearningRecordsServiceImpl learningRecordsService; // private LearningRecordsServiceImpl learningRecordsService;
//
//
/** // /**
* 获取当前登录用户的学习记录 // * 获取当前登录用户的学习记录
* @param m // * @param m
* @param pagenum // * @param pagenum
* @param pagesize // * @param pagesize
* @return // * @return
*/ // */
@GetMapping("/getall") // @GetMapping("/getall")
public BaseResponse<PageInfo> getAll(Model m, // public BaseResponse<PageInfo> getAll(Model m,
@RequestParam(value = "pagenum", defaultValue = "1") int pagenum, // @RequestParam(value = "pagenum", defaultValue = "1") int pagenum,
@RequestParam(value = "pagesize", defaultValue = "15") int pagesize, // @RequestParam(value = "pagesize", defaultValue = "15") int pagesize,
@RequestParam String userId){ // @RequestParam String userId){
PageHelper.startPage(pagenum,pagesize,"id desc"); // PageHelper.startPage(pagenum,pagesize,"id desc");
List<LearningRecordsVo> cs= learningRecordsService.getAll(userId); // List<LearningRecordsVo> cs= learningRecordsService.getAll(userId);
List<LearningRecordsVo> pageCs = new ArrayList<>(); // List<LearningRecordsVo> pageCs = new ArrayList<>();
//当前页面 // //当前页面
for(int i = (pagenum - 1) * pagesize; i < cs.size() && i < (pagenum) * pagesize; i++){ // for(int i = (pagenum - 1) * pagesize; i < cs.size() && i < (pagenum) * pagesize; i++){
pageCs.add(cs.get(i)); // pageCs.add(cs.get(i));
} // }
PageInfo<LearningRecordsVo> pageInfo = new PageInfo<>(pageCs); // PageInfo<LearningRecordsVo> pageInfo = new PageInfo<>(pageCs);
System.out.println("当前页面:"+pagenum); // System.out.println("当前页面:"+pagenum);
System.out.println("当前页面大小:"+pagesize); // System.out.println("当前页面大小:"+pagesize);
System.out.println("当前页面内容:"+pageCs); // System.out.println("当前页面内容:"+pageCs);
// PageInfo<LearningRecordsVo> pageInfo = new PageInfo<>(cs); //// PageInfo<LearningRecordsVo> pageInfo = new PageInfo<>(cs);
pageInfo.setPageSize(pagesize);//设置当前页面大小 // pageInfo.setPageSize(pagesize);//设置当前页面大小
pageInfo.setPageNum(pagenum);//设置当前页码 // pageInfo.setPageNum(pagenum);//设置当前页码
pageInfo.setSize(pagesize);//不知道是啥，--------- // pageInfo.setSize(pagesize);//不知道是啥，---------
pageInfo.setTotal(cs.size());//设置总条数 // pageInfo.setTotal(cs.size());//设置总条数
long total = pageInfo.getTotal(); // 总记录数 // long total = pageInfo.getTotal(); // 总记录数
pageInfo.setPages((int)(Math.ceil((double) total / pagesize)));//设置总页数 // pageInfo.setPages((int)(Math.ceil((double) total / pagesize)));//设置总页数
return ResultUtils.success(pageInfo); // return ResultUtils.success(pageInfo);
} // }
//
@GetMapping("/all") // @GetMapping("/all")
public BaseResponse<List<LearningRecords>> All(){ // public BaseResponse<List<LearningRecords>> All(){
System.out.println("学习记录:"+learningRecordsService.list()); // System.out.println("学习记录:"+learningRecordsService.list());
return ResultUtils.success(learningRecordsService.list()); // return ResultUtils.success(learningRecordsService.list());
} // }
//
//资源类型: 1,课程学习记录,2,知识点学习记录,3课程资源学习记录 // //资源类型: 1,课程学习记录,2,知识点学习记录,3课程资源学习记录
/** // /**
* 添加课程记录 // * 添加课程记录
* @param learningRecords // * @param learningRecords
* @return // * @return
*/ // */
@PostMapping("/saverecords") // @PostMapping("/saverecords")
public BaseResponse<String> saveRecords(@RequestBody LearningRecords learningRecords){ // public BaseResponse<String> saveRecords(@RequestBody LearningRecords learningRecords){
System.out.println(learningRecords); // System.out.println(learningRecords);
return ResultUtils.success(learningRecordsService.saveRecords(learningRecords)); // return ResultUtils.success(learningRecordsService.saveRecords(learningRecords));
} // }
//
/** // /**
* 根据id删除 // * 根据id删除
* @param ids // * @param ids
* @return // * @return
*/ // */
@DeleteMapping("/delete") // @DeleteMapping("/delete")
public BaseResponse<String> deleteRecords(@RequestParam List<Long> ids){ // public BaseResponse<String> deleteRecords(@RequestParam List<Long> ids){
//
return ResultUtils.success(learningRecordsService.delete(ids)); // return ResultUtils.success(learningRecordsService.delete(ids));
} // }
//
} //}

31
src/main/java/com/teaching/backend/mapper/records/LearningRecordsMapper.java
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@ -1,15 +1,16 @@
package com.teaching.backend.mapper.records; //package com.teaching.backend.mapper.records;
//
import com.baomidou.mybatisplus.core.mapper.BaseMapper; //import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.baomidou.mybatisplus.core.metadata.IPage; //import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page; //import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
//
import com.teaching.backend.model.entity.records.LearningRecords; //import com.teaching.backend.model.entity.records.LearningRecords;
import org.apache.ibatis.annotations.Mapper; //import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param; //import org.apache.ibatis.annotations.Param;
//
@Mapper //@Mapper
public interface LearningRecordsMapper extends BaseMapper<LearningRecords> { //public interface LearningRecordsMapper extends BaseMapper<LearningRecords> {
IPage<LearningRecords> selectPageList(Page<LearningRecords> page, @Param("model")LearningRecords model); // IPage<LearningRecords> selectPageList(Page<LearningRecords> page, @Param("model")LearningRecords model);
//
} //}
////

364
src/main/java/com/teaching/backend/service/impl/records/LearningRecordsServiceImpl.java
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@ -1,185 +1,185 @@
package com.teaching.backend.service.impl.records; //package com.teaching.backend.service.impl.records;
//
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper; //import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage; //import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page; //import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; //import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
//
import com.teaching.backend.mapper.records.LearningRecordsMapper; //import com.teaching.backend.mapper.records.LearningRecordsMapper;
//
import com.teaching.backend.model.entity.records.LearningRecords; //import com.teaching.backend.model.entity.records.LearningRecords;
import com.teaching.backend.model.vo.records.LearningRecordsVo; //import com.teaching.backend.model.vo.records.LearningRecordsVo;
import com.teaching.backend.service.impl.chapter.ChapterServiceImpl; //import com.teaching.backend.service.impl.chapter.ChapterServiceImpl;
import com.teaching.backend.service.impl.courses.CoursesServiceImpl; //import com.teaching.backend.service.impl.courses.CoursesServiceImpl;
import com.teaching.backend.service.impl.know.IknowServiceimpl; //import com.teaching.backend.service.impl.know.IknowServiceimpl;
import com.teaching.backend.service.records.LearningRecordsService; //import com.teaching.backend.service.records.LearningRecordsService;
import org.springframework.beans.BeanUtils; //import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired; //import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service; //import org.springframework.stereotype.Service;
//
import java.text.SimpleDateFormat; //import java.text.SimpleDateFormat;
import java.time.LocalDateTime; //import java.time.LocalDateTime;
import java.time.ZoneId; //import java.time.ZoneId;
import java.util.ArrayList; //import java.util.ArrayList;
import java.util.Date; //import java.util.Date;
import java.util.List; //import java.util.List;
//
@Service //@Service
public class LearningRecordsServiceImpl extends ServiceImpl<LearningRecordsMapper, LearningRecords> implements LearningRecordsService { //public class LearningRecordsServiceImpl extends ServiceImpl<LearningRecordsMapper, LearningRecords> implements LearningRecordsService {
//
@Autowired // @Autowired
private CoursesServiceImpl coursesService; // private CoursesServiceImpl coursesService;
@Autowired
private LearningRecordsMapper learningRecordsMapper;
// @Autowired // @Autowired
// private LearningResourceServiceImpl learningResourceService; // private LearningRecordsMapper learningRecordsMapper;
@Autowired //// @Autowired
private IknowServiceimpl knowledgePointService; //// private LearningResourceServiceImpl learningResourceService;
@Autowired // @Autowired
private ChapterServiceImpl chapterService; // private IknowServiceimpl knowledgePointService;
// @Autowired
@Override // private ChapterServiceImpl chapterService;
public IPage<LearningRecords> selectPageList(Page<LearningRecords> page, LearningRecords model) { //
return learningRecordsMapper.selectPageList(page,model); // @Override
} // public IPage<LearningRecords> selectPageList(Page<LearningRecords> page, LearningRecords model) {
// return learningRecordsMapper.selectPageList(page,model);
@Override // }
public String delete(List<Long> ids) { //
LambdaQueryWrapper<LearningRecords> lambdaQueryWrapper = new LambdaQueryWrapper<>(); // @Override
lambdaQueryWrapper.in(LearningRecords::getId, ids); // public String delete(List<Long> ids) {
List<LearningRecords> list = this.list(lambdaQueryWrapper); // LambdaQueryWrapper<LearningRecords> lambdaQueryWrapper = new LambdaQueryWrapper<>();
//把即将要删除的记录状态调成0 // lambdaQueryWrapper.in(LearningRecords::getId, ids);
for (LearningRecords learningRecords : list) { // List<LearningRecords> list = this.list(lambdaQueryWrapper);
learningRecords.setStatus("0"); // //把即将要删除的记录状态调成0
} // for (LearningRecords learningRecords : list) {
this.updateBatchById(list); // learningRecords.setStatus("0");
// System.out.println(this.updateBatchById(list)); // }
// this.remove(lambdaQueryWrapper); // this.updateBatchById(list);
return "删除成功"; //// System.out.println(this.updateBatchById(list));
} //// this.remove(lambdaQueryWrapper);
// return "删除成功";
@Override // }
public List<LearningRecordsVo> getAll(String userId){ //
//格式化时间 // @Override
//格式化时间 // public List<LearningRecordsVo> getAll(String userId){
String strDateFormat = "yyyy-MM-dd HH:mm:ss"; // //格式化时间
SimpleDateFormat sdf = new SimpleDateFormat(strDateFormat); // //格式化时间
// String strDateFormat = "yyyy-MM-dd HH:mm:ss";
List<LearningRecordsVo> list = new ArrayList<>(); // SimpleDateFormat sdf = new SimpleDateFormat(strDateFormat);
//将学习记录实体转成学习记录Vo实体 //
LambdaQueryWrapper<LearningRecords> lambdaQueryWrapper1 = new LambdaQueryWrapper<>(); // List<LearningRecordsVo> list = new ArrayList<>();
lambdaQueryWrapper1 // //将学习记录实体转成学习记录Vo实体
.orderByDesc(LearningRecords::getAccessTime) // LambdaQueryWrapper<LearningRecords> lambdaQueryWrapper1 = new LambdaQueryWrapper<>();
.eq(LearningRecords::getUserId, userId) // lambdaQueryWrapper1
.eq(LearningRecords::getStatus, "1"); // .orderByDesc(LearningRecords::getAccessTime)
System.out.println(this.list(lambdaQueryWrapper1)); // .eq(LearningRecords::getUserId, userId)
//如果为空-------------------????? // .eq(LearningRecords::getStatus, "1");
for (LearningRecords learningRecords : this.list(lambdaQueryWrapper1)) { // System.out.println(this.list(lambdaQueryWrapper1));
//查找该用户的学习记录 // //如果为空-------------------?????
// if (learningRecords.getUserId().equals(userId) && learningRecords.getStatus().equals("1")){ // for (LearningRecords learningRecords : this.list(lambdaQueryWrapper1)) {
LearningRecordsVo learningRecordsVo = new LearningRecordsVo();//好像可以拿出去-----------?? // //查找该用户的学习记录
BeanUtils.copyProperties(learningRecords,learningRecordsVo);//从多传到少(缺少人数,和资源名称,时间需要转格式) //// if (learningRecords.getUserId().equals(userId) && learningRecords.getStatus().equals("1")){
//添加时间 // LearningRecordsVo learningRecordsVo = new LearningRecordsVo();//好像可以拿出去-----------??
//LocalDateTime转Date // BeanUtils.copyProperties(learningRecords,learningRecordsVo);//从多传到少(缺少人数,和资源名称,时间需要转格式)
Date date = Date.from(learningRecords.getAccessTime().atZone(ZoneId.systemDefault()).toInstant()); // //添加时间
learningRecordsVo.setTime(sdf.format(date)); // //LocalDateTime转Date
LambdaQueryWrapper<LearningRecords> lambdaQueryWrapper = new LambdaQueryWrapper<>(); // Date date = Date.from(learningRecords.getAccessTime().atZone(ZoneId.systemDefault()).toInstant());
lambdaQueryWrapper.eq(LearningRecords::getCoursesId, learningRecords.getCoursesId()); // learningRecordsVo.setTime(sdf.format(date));
// System.out.println(learningRecords.getResourceId()); // LambdaQueryWrapper<LearningRecords> lambdaQueryWrapper = new LambdaQueryWrapper<>();
// System.out.println("1"); // lambdaQueryWrapper.eq(LearningRecords::getCoursesId, learningRecords.getCoursesId());
//// System.out.println(learningRecords.getResourceId());
//添加课程名称 //// System.out.println("1");
switch (learningRecords.getType()) { //
case "4": //如果是资源学习 // //添加课程名称
learningRecordsVo.setCoursesName("学习资源");//设置名称 --------------------------------------------待完善 // switch (learningRecords.getType()) {
// case "4": //如果是资源学习
break; // learningRecordsVo.setCoursesName("学习资源");//设置名称 --------------------------------------------待完善
case "3": //如果是知识点学习记录 //
learningRecordsVo.setCoursesName(knowledgePointService.getById(learningRecords.getCoursesId()).getName()); // break;
// case "3": //如果是知识点学习记录
break; // learningRecordsVo.setCoursesName(knowledgePointService.getById(learningRecords.getCoursesId()).getName());
case "2": //如果是章节学习记录 //
learningRecordsVo.setCoursesName(chapterService.getById(learningRecords.getCoursesId()).getName()); // break;
// case "2": //如果是章节学习记录
break; // learningRecordsVo.setCoursesName(chapterService.getById(learningRecords.getCoursesId()).getName());
case "1": //如果是课程学习记录 //
learningRecordsVo.setCoursesName(coursesService.getById(learningRecords.getCoursesId()).getName()); // break;
break; // case "1": //如果是课程学习记录
} // learningRecordsVo.setCoursesName(coursesService.getById(learningRecords.getCoursesId()).getName());
//添加观看人数 // break;
//统计记录表里有多少人查看过这门资源 // }
long count = this.count(lambdaQueryWrapper); // //添加观看人数
System.out.println(count); // //统计记录表里有多少人查看过这门资源
learningRecordsVo.setNumber(count); // long count = this.count(lambdaQueryWrapper);
//把整合后该用户的学习记录添加到List里 // System.out.println(count);
list.add(learningRecordsVo); // learningRecordsVo.setNumber(count);
// //把整合后该用户的学习记录添加到List里
// list.add(learningRecordsVo);
//// }
// }
// System.out.println(list);
// return list;
// }
//
// /**
// * 根据用户id和学习资源id来判断记录是否存在
// * @param learningRecords
// * @return
// */
// @Override
// public String saveRecords(LearningRecords learningRecords) {
// String userId = learningRecords.getUserId();
// String coursesId = learningRecords.getCoursesId();
// System.out.println("学习记录:"+learningRecords);
// //查找该用户是否观看过该学习资源
// LambdaQueryWrapper<LearningRecords> lambdaQueryWrapper = new LambdaQueryWrapper<>();
// lambdaQueryWrapper
// .eq(LearningRecords::getUserId, userId)
// .eq(LearningRecords::getCoursesId, coursesId)
// .eq(LearningRecords::getType, learningRecords.getType());
// long count = this.count(lambdaQueryWrapper);
// System.out.println("数据库："+count);
// learningRecords.setStatus("1");//将该记录的状态设置为1
// //更新观看时间
// learningRecords.setAccessTime(LocalDateTime.now());
// //设置默认封面
// if (learningRecords.getContent() == null || learningRecords.getContent().equals("")){
// learningRecords.setContent("https://teaching-edu123.oss-cn-beijing.aliyuncs.com/Borovets_ZH-CN5914681811_UHD.jpg");
// }
//// //添加记录封面
//// switch (learningRecords.getType()) {
//// case "4": //如果是资源学习
//// learningRecords.setContent(learningResourceService.getById(learningRecords.getCoursesId()).getContent());//设置封面
//// break;
//// case "3": //如果是知识点学习记录
//// learningRecords.setContent(knowledgePointService.getById(learningRecords.getCoursesId()).getContent());//设置封面
////
//// break;
//// case "2": //如果是章节学习记录
//// learningRecords.setContent(chapterService.getById(learningRecords.getCoursesId()).getContent());//设置封面
////
//// break;
//// case "1": //如果是课程学习记录
//// learningRecords.setContent(coursesService.getById(learningRecords.getCoursesId()).getImg());//设置封面
//// break;
//// }
// if (count == 0){//如果没有就新增并记录学习方式是打开还是下载
// //根据传上来的type设置
//// learningRecords.setType(learningRecords.getType());
// this.save(learningRecords);
// return "添加成功";
// }else {//有就修改记录,更新学习方式
// LearningRecords one = this.getOne(lambdaQueryWrapper);
// System.out.println(one);
// learningRecords.setId(one.getId());//找到该条记录的id并赋值给本次观看记录
// if ( one.getLearningMethod1() != null && one.getLearningMethod1().equals("1")){
// learningRecords.setLearningMethod1(one.getLearningMethod1());
// } // }
} // if (one.getLearningMethod2() != null && one.getLearningMethod2().equals("1")){
System.out.println(list); // learningRecords.setLearningMethod2(one.getLearningMethod2());
return list; // }
} // this.updateById(learningRecords);
// return "修改成功";
/**
* 根据用户id和学习资源id来判断记录是否存在
* @param learningRecords
* @return
*/
@Override
public String saveRecords(LearningRecords learningRecords) {
String userId = learningRecords.getUserId();
String coursesId = learningRecords.getCoursesId();
System.out.println("学习记录:"+learningRecords);
//查找该用户是否观看过该学习资源
LambdaQueryWrapper<LearningRecords> lambdaQueryWrapper = new LambdaQueryWrapper<>();
lambdaQueryWrapper
.eq(LearningRecords::getUserId, userId)
.eq(LearningRecords::getCoursesId, coursesId)
.eq(LearningRecords::getType, learningRecords.getType());
long count = this.count(lambdaQueryWrapper);
System.out.println("数据库："+count);
learningRecords.setStatus("1");//将该记录的状态设置为1
//更新观看时间
learningRecords.setAccessTime(LocalDateTime.now());
//设置默认封面
if (learningRecords.getContent() == null || learningRecords.getContent().equals("")){
learningRecords.setContent("https://teaching-edu123.oss-cn-beijing.aliyuncs.com/Borovets_ZH-CN5914681811_UHD.jpg");
}
// //添加记录封面
// switch (learningRecords.getType()) {
// case "4": //如果是资源学习
// learningRecords.setContent(learningResourceService.getById(learningRecords.getCoursesId()).getContent());//设置封面
// break;
// case "3": //如果是知识点学习记录
// learningRecords.setContent(knowledgePointService.getById(learningRecords.getCoursesId()).getContent());//设置封面
//
// break;
// case "2": //如果是章节学习记录
// learningRecords.setContent(chapterService.getById(learningRecords.getCoursesId()).getContent());//设置封面
//
// break;
// case "1": //如果是课程学习记录
// learningRecords.setContent(coursesService.getById(learningRecords.getCoursesId()).getImg());//设置封面
// break;
// } // }
if (count == 0){//如果没有就新增并记录学习方式是打开还是下载 // }
//根据传上来的type设置 //
// learningRecords.setType(learningRecords.getType()); //
this.save(learningRecords); //}
return "添加成功";
}else {//有就修改记录,更新学习方式
LearningRecords one = this.getOne(lambdaQueryWrapper);
System.out.println(one);
learningRecords.setId(one.getId());//找到该条记录的id并赋值给本次观看记录
if ( one.getLearningMethod1() != null && one.getLearningMethod1().equals("1")){
learningRecords.setLearningMethod1(one.getLearningMethod1());
}
if (one.getLearningMethod2() != null && one.getLearningMethod2().equals("1")){
learningRecords.setLearningMethod2(one.getLearningMethod2());
}
this.updateById(learningRecords);
return "修改成功";
}
}
}

38
src/main/java/com/teaching/backend/service/records/LearningRecordsService.java
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@ -1,19 +1,19 @@
package com.teaching.backend.service.records; //package com.teaching.backend.service.records;
//
import com.baomidou.mybatisplus.core.metadata.IPage; //import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page; //import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.IService; //import com.baomidou.mybatisplus.extension.service.IService;
import com.teaching.backend.model.entity.records.LearningRecords; //import com.teaching.backend.model.entity.records.LearningRecords;
import com.teaching.backend.model.vo.records.LearningRecordsVo; //import com.teaching.backend.model.vo.records.LearningRecordsVo;
//
//
import java.util.List; //import java.util.List;
//
public interface LearningRecordsService extends IService<LearningRecords> { //public interface LearningRecordsService extends IService<LearningRecords> {
public List<LearningRecordsVo> getAll(String username); // public List<LearningRecordsVo> getAll(String username);
public String saveRecords(LearningRecords learningRecords); // public String saveRecords(LearningRecords learningRecords);
IPage<LearningRecords> selectPageList(Page<LearningRecords> page, LearningRecords model); // IPage<LearningRecords> selectPageList(Page<LearningRecords> page, LearningRecords model);
//
public String delete(List<Long> ids); // public String delete(List<Long> ids);
//
} //}

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