forked from wangjiadong/comp
zhc077
1 year ago
parent
c989748ec5
commit
6802161647
4 changed files with 148 additions and 25 deletions
@ -0,0 +1,76 @@ |
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package org.jeecg.common.util; |
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import java.math.BigDecimal; |
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public class ComputeUtils { |
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//默认除法运算精度
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private static final int DEF_DIV_SCALE = 10; |
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//构造器私有化，让这个类不能实例化
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private ComputeUtils() { |
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} |
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/** |
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*提供精确的加法运算 |
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* @param v1 |
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* @param v2 |
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* @return |
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*/ |
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public static double add(double v1, double v2) { |
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BigDecimal b1 = BigDecimal.valueOf(v1); |
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BigDecimal b2 = BigDecimal.valueOf(v2); |
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return b1.add(b2).doubleValue(); |
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} |
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/** |
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*精确的减法运算 |
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* @param v1 |
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* @param v2 |
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* @return |
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*/ |
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public static double sub(double v1, double v2) { |
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BigDecimal b1 = BigDecimal.valueOf(v1); |
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BigDecimal b2 = BigDecimal.valueOf(v2); |
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return b1.subtract(b2).doubleValue(); |
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} |
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/** |
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* 精确的乘法运算 |
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* @param v1 |
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* @param v2 |
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* @return |
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*/ |
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public static double mul(double v1, double v2) { |
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BigDecimal b1 = BigDecimal.valueOf(v1); |
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BigDecimal b2 = BigDecimal.valueOf(v2); |
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return b1.multiply(b2).doubleValue(); |
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} |
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/** |
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//提供（相对）精确的除法运算，当发生除不尽的情况时
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//精确到小数点后10位的数字四舍五入
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* @param v1 分子 |
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* @param v2 分母 |
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* @return |
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*/ |
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public static double div(double v1, double v2) { |
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BigDecimal b1 = BigDecimal.valueOf(v1); |
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BigDecimal b2 = BigDecimal.valueOf(v2); |
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return b1.divide(b2, DEF_DIV_SCALE, BigDecimal.ROUND_HALF_UP).doubleValue(); |
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} |
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public static double div2(double v1, double v2) { |
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BigDecimal b1 = BigDecimal.valueOf(v1); |
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BigDecimal b2 = BigDecimal.valueOf(v2); |
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return b1.divide(b2, 2, BigDecimal.ROUND_HALF_UP).doubleValue(); |
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} |
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public static void main(String[] args) { |
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// System.out.println("args = " + div(39,64));
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System.out.println("args2 = " + div2(39,64)); |
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System.out.println("args = " + mul(div2(39,64),new Double(2))); |
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} |
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} |
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@ -1,19 +1,51 @@ |
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package org.jeecg.modules.demo.annualScore.service.impl; |
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper; |
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; |
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import org.jeecg.common.util.ComputeUtils; |
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import org.jeecg.modules.demo.annualScore.entity.PersonalCompScore; |
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import org.jeecg.modules.demo.annualScore.entity.PersonalCompTotalScore; |
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import org.jeecg.modules.demo.annualScore.mapper.PersonalCompTotalScoreMapper; |
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import org.jeecg.modules.demo.annualScore.service.IPersonalCompTotalScoreService; |
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import org.springframework.beans.BeanUtils; |
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import org.springframework.stereotype.Service; |
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import org.springframework.transaction.annotation.Transactional; |
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import org.springframework.util.ObjectUtils; |
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; |
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import java.util.Date; |
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import java.util.LinkedList; |
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import java.util.List; |
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import java.util.Optional; |
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/** |
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* @Description: 个人总积分 |
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* @Author: jeecg-boot |
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* @Date: 2023-11-01 |
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* @Date: 2023-11-01 |
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* @Version: V1.0 |
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*/ |
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@Service |
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public class PersonalCompTotalScoreServiceImpl extends ServiceImpl<PersonalCompTotalScoreMapper, PersonalCompTotalScore> implements IPersonalCompTotalScoreService { |
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@Override |
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@Transactional(rollbackFor = Exception.class) |
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public void saveOrUpdateTotalScore(List<PersonalCompScore> list) { |
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List<PersonalCompTotalScore> updateList = new LinkedList<>(); |
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Optional.ofNullable(list).orElse(new LinkedList<>()).forEach(e -> { |
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PersonalCompTotalScore p = this.getOne(new LambdaQueryWrapper<PersonalCompTotalScore>() |
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.eq(PersonalCompTotalScore::getWorkOn, e.getWorkOn()) |
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.apply("limit 1")); |
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//为空则为首次累计,新增操作
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if ((ObjectUtils.isEmpty(p))) { |
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PersonalCompTotalScore p2 = new PersonalCompTotalScore(); |
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BeanUtils.copyProperties(e, p2); |
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updateList.add(p2); |
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} else { //更新操作
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p.setScore(ComputeUtils.add(p.getScore(), e.getScore())); |
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p.setUpdateTime(new Date()); |
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updateList.add(p); |
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} |
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}); |
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this.saveOrUpdateBatch(updateList); |
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} |
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} |
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