Java毕设项目-疫情数据查看(spring boot+httpclient)

package com.bjpowernode.vinfo.controller; import com.bjpowernode.vinfo.bean.*; import com.bjpowernode.vinfo.handller.GraphHandler; import com.bjpowernode.vinfo.service.DataService; import com.google.gson.Gson; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.GetMapping; import java.util.ArrayList; import java.util.Collections; import java.util.List; /** * 处理获取对应的相关数据信息封装到相应的bean对象里并且返回给前端 */ @Controller public class DataController { @Autowired private DataService dataService; //首页显示所有相关数据 @GetMapping("/") public String list(Model model) { List<DataBean> dataList = dataService.list(); model.addAttribute("dataList", dataList); List<MapBean> result = new ArrayList<>(); for (int i = 0; i < dataList.size(); i++) { DataBean dataBean = dataList.get(i); MapBean mapBean = new MapBean(dataBean.getArea(), dataBean.getNowConfirm()); result.add(mapBean); } model.addAttribute("mapData", new Gson().toJson(result)); String str = GraphHandler.getData(); List<GraphBean> list = GraphHandler.getGraphData(str); // 进一步改造数据格式 // 因为前端需要的数据是 x轴所有数据的数组和y轴所有数据的数组 ArrayList<String> dateList = new ArrayList<>(); ArrayList<Integer> nowConfirmList = new ArrayList<>(); for (int i = 0; i < list.size(); i++) { GraphBean graphBean = list.get(i); dateList.add(graphBean.getDate()); nowConfirmList.add(graphBean.getNowConfirm()); } model.addAttribute("dateList", new Gson().toJson(dateList)); model.addAttribute("nowConfirmList", new Gson().toJson(nowConfirmList)); List<GraphAddBean> addList = GraphHandler.getGraphAddData(str); ArrayList<String> addDateList = new ArrayList<>(); ArrayList<Integer> addConfirmList = new ArrayList<>(); ArrayList<Integer> addSuspectList = new ArrayList<>(); for (int i = 0; i < addList.size(); i++) { GraphAddBean graphAddBean = addList.get(i); addDateList.add(graphAddBean.getDate()); addConfirmList.add(graphAddBean.getAddConfirm()); addSuspectList.add(graphAddBean.getAddSuspect()); } model.addAttribute("addDateList", new Gson().toJson(addDateList)); model.addAttribute("addConfirmList", new Gson().toJson(addConfirmList)); model.addAttribute("addSuspectList", new Gson().toJson(addSuspectList)); List<GraphPieBean> pieList = GraphHandler.getGraphPieData(str); Collections.sort(pieList); model.addAttribute("pieList", new Gson().toJson(pieList)); List<GraphColumnarBean> columnarList = GraphHandler.getGraphColumnarData(); Collections.sort(columnarList); ArrayList<String> nameList = new ArrayList<>(); ArrayList<Integer> fromAbroadList = new ArrayList<>(); for (int i = 0; i < 10; i++) { GraphColumnarBean bean = columnarList.get(i); nameList.add(bean.getArea()); fromAbroadList.add(bean.getFromAbroad()); } model.addAttribute("nameList", new Gson().toJson(nameList)); model.addAttribute("fromAbroadList", new Gson().toJson(fromAbroadList)); return "list"; } /** * 单个折线图显示现存确诊人数 * @param model * @return */ @GetMapping("/graph") public String graph(Model model) { List<GraphBean> list = GraphHandler.getGraphData(); // 进一步改造数据格式 // 因为前端需要的数据是 x轴所有数据的数组和y轴所有数据的数组 ArrayList<String> dateList = new ArrayList<>(); ArrayList<Integer> nowConfirmList = new ArrayList<>(); for (int i = 0; i < list.size(); i++) { GraphBean graphBean = list.get(i); dateList.add(graphBean.getDate()); nowConfirmList.add(graphBean.getNowConfirm()); } model.addAttribute("dateList", new Gson().toJson(dateList)); model.addAttribute("nowConfirmList", new Gson().toJson(nowConfirmList)); return "graph"; } /** * 双重折线图显示新增确诊人数和疑似确诊人数 * @param model * @return */ @GetMapping("/graphAdd") public String graphAdd(Model model) { List<GraphAddBean> list = GraphHandler.getGraphAddData(); ArrayList<String> dateList = new ArrayList<>(); ArrayList<Integer> addConfirmList = new ArrayList<>(); ArrayList<Integer> addSuspectList = new ArrayList<>(); for (int i = 0; i < list.size(); i++) { GraphAddBean graphAddBean = list.get(i); dateList.add(graphAddBean.getDate()); addConfirmList.add(graphAddBean.getAddConfirm()); addSuspectList.add(graphAddBean.getAddSuspect()); } model.addAttribute("dateList", new Gson().toJson(dateList)); model.addAttribute("addConfirmList", new Gson().toJson(addConfirmList)); model.addAttribute("addSuspectList", new Gson().toJson(addSuspectList)); return "graphAdd"; } /** * 显示全国排名前十的境外输入人数的条形统计图 * @param model * @return */ @GetMapping("/graphColumnar") public String graphColumnar(Model model) { List<GraphColumnarBean> list = GraphHandler.getGraphColumnarData(); Collections.sort(list); ArrayList<String> nameList = new ArrayList<>(); ArrayList<Integer> fromAbroadList = new ArrayList<>(); for (int i = 0; i < 10; i++) { GraphColumnarBean bean = list.get(i); nameList.add(bean.getArea()); fromAbroadList.add(bean.getFromAbroad()); } model.addAttribute("nameList", new Gson().toJson(nameList)); model.addAttribute("fromAbroadList", new Gson().toJson(fromAbroadList)); return "graphColumnar"; } /** * 饼状图 * @param model * @return */ @GetMapping("/graphPie") public String graphPie(Model model) { List<GraphPieBean> list = GraphHandler.getGraphPieData(); Collections.sort(list); model.addAttribute("list", new Gson().toJson(list)); return "graphPie"; } /** * 根据地区名和确诊人数绘制中国地图 * @param model * @return */ @GetMapping("/map") public String map(Model model) { List<DataBean> list = dataService.list(); List<MapBean> result = new ArrayList<>(); for (int i = 0; i < list.size(); i++) { DataBean dataBean = list.get(i); MapBean mapBean = new MapBean(dataBean.getArea(), dataBean.getNowConfirm()); result.add(mapBean); } model.addAttribute("mapData", new Gson().toJson(result)); return "map"; } }