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62 lines
1.9 KiB
Java

package com.gszc.service.impl;
import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.mapper.EntityWrapper;
import com.baomidou.mybatisplus.plugins.Page;
import com.gszc.entity.Question;
import com.gszc.entity.Question;
import com.gszc.entity.Question;
import com.gszc.mapper.QuestionMapper;
import com.gszc.service.IQuestionService;
import com.baomidou.mybatisplus.service.impl.ServiceImpl;
import org.apache.ibatis.session.RowBounds;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.util.Date;
import java.util.List;
import java.util.UUID;
/**
* <p>
* 服务实现类
* </p>
*
* @author ky
* @since 2020-05-25
*/
@Service
@Transactional
public class QuestionServiceImpl extends ServiceImpl<QuestionMapper, Question> implements IQuestionService {
@Autowired
QuestionMapper questionMapper;
public void addQuestion(Question question){
String id = UUID.randomUUID().toString();
question.setId(id);
question.setCreateDate(new Date());
question.setModifyDate(new Date());
questionMapper.insert(question);
}
public void deleteQuestion(Question question){
questionMapper.deleteById(question);
}
public void updateQuestion(Question question){
questionMapper.updateById(question);
}
public JSONObject queryQuestion(Integer pageNum, Integer pageSize){
Integer count = questionMapper.selectCount(new EntityWrapper<Question>());
List<Question> result = questionMapper.selectPage(new RowBounds((pageNum-1)*pageSize,pageSize), new EntityWrapper<Question>().eq("1", "1").orderBy("ix", true));
JSONObject jsonObject = new JSONObject();
jsonObject.put("count",count);
jsonObject.put("data",result);
return jsonObject;
}
}