package com.moral.api.pojo.vo.cityAQI;
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import com.moral.api.pojo.dto.cityAQI.MonthlyPollutionLevel;
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import com.moral.api.pojo.dto.cityAQI.PollutionDaysAndProportion;
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import lombok.Data;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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/**
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* @ClassName BarChartOfPollutionLevelDTO
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* @Description 柱状图数据DTO
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* @Author 陈凯裕
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* @Date 2021/11/19 8:31
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* @Version TODO
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**/
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@Data
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public class BarChartOfPollutionLevelVO {
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/*时间集合*/
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List<String> time;
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/*污染信息，一共有5个Map，分别对应五个污染等级
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* Map中有三个字段
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* pollution表示污染等级
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* days存放天数集合
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* proportion存放天数占比的集合*/
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List<Map<String, Object>> values;
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public static BarChartOfPollutionLevelVO convert(List<MonthlyPollutionLevel> datas) {
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BarChartOfPollutionLevelVO vo = new BarChartOfPollutionLevelVO();
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List<String> time = new ArrayList<>();
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List<Map<String, Object>> values= new ArrayList<>();
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//6个污染等级循环获取数据
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for (int i = 0; i <= 5; i++) {
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Map<String,Object> map = new HashMap<>();
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List<String> proportion = new ArrayList<>();
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List<Integer> days = new ArrayList<>();
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String pollution = String.valueOf(i);
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for (MonthlyPollutionLevel data : datas) {
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if(!time.contains(data.getTime()))
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time.add(data.getTime());
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List<PollutionDaysAndProportion> pollutionDaysAndProportions = data.getPollutionDaysAndProportions();
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for (PollutionDaysAndProportion pollutionDaysAndProportion : pollutionDaysAndProportions) {
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if(pollutionDaysAndProportion.getPollutionLevel().equals(pollution)){
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proportion.add(pollutionDaysAndProportion.getProportion());
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days.add(pollutionDaysAndProportion.getDays());
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}
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}
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}
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map.put("proportion",proportion);
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map.put("days",days);
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map.put("pollution",pollution);
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values.add(map);
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}
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vo.setTime(time);
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vo.setValues(values);
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return vo;
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}
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}
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