Accomplishing the export of statistics excel.
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little-cat-sweet
parent
cf6cdc79fa
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02e35e9073
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package com.xhpc.general.controller;
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import cn.hutool.core.date.DateUtil;
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import com.xhpc.general.mapper.XhpcStatisticsExcelMapper;
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import com.xhpc.general.service.IXhpcStatisticsExcelService;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RestController;
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import javax.servlet.ServletOutputStream;
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import javax.servlet.http.HttpServletResponse;
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import java.io.UnsupportedEncodingException;
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import java.net.URLEncoder;
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import java.util.Date;
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import java.util.List;
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import java.util.Map;
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/**
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* @Author HongYun on 2021/11/15
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*/
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@RestController
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@RequestMapping(value = "/statistics")
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public class XhpcStatisticsExcelController {
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@Autowired
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private IXhpcStatisticsExcelService iXhpcStatisticsExcelService;
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@Autowired
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private XhpcStatisticsExcelMapper xhpcStatisticsExcelMapper;
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@GetMapping(value = "/downByDay")
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public Object test(HttpServletResponse response) {
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String[] titles = {"时段（某天）", " 电量（度）", "充电时长（小时）", "充电次数（次）", "电费（元）", "服务费（元）"
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, "订单总金额（元）", "电站折扣（元）", "运营商实收电费（元）", "运营商实收服务费（元）", "运营商实收合计（元）", "用户实际支出（元）"
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, "流量方总金额抽成（元）", "流量方服务费抽成（元）", "平台总金额抽成（元）", "平台服务费抽成（元）", "运维总金额抽成（元）", "运维服务费抽成（元）"};
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String[] keys = {"time", "chargingDegree", "chargingTime", "chargingNumber", "powerPrice", "servicePrice", "totalPrice"
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, "promotionDiscount", "actPowerPrice", "actServicePrice", "actTotalPrice", "actPrice", "internetCommission", "internetSvcCommission"
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, "platformCommission", "platformSvcCommission", "operationCommission", "operationSvcCommission"};
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List<Map<String, Object>> data = xhpcStatisticsExcelMapper.selectByDay();
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response.setContentType("application/x-xls");
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try {
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ServletOutputStream out = response.getOutputStream();
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try {
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String name = DateUtil.format(new Date(), "yyyyMMddHHmmss");
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response.setHeader("Content-Disposition", "attachment;fileName=" + URLEncoder.encode(name + ".xls", "UTF-8"));
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} catch (UnsupportedEncodingException e1) {
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e1.printStackTrace();
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}
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iXhpcStatisticsExcelService.exportByDay(out, titles, keys, data);
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return "success";
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} catch (Exception e) {
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e.printStackTrace();
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return "导出信息失败";
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}
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}
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}
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package com.xhpc.general.mapper;
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import org.apache.ibatis.annotations.Mapper;
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import java.util.List;
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import java.util.Map;
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/**
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* @Author HongYun on 2021/11/15
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*/
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@Mapper
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public interface XhpcStatisticsExcelMapper {
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List<Map<String, Object>> selectByDay();
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}
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@ -1,9 +1,7 @@
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package com.xhpc.general.service;
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import com.xhpc.common.core.web.domain.AjaxResult;
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import com.xhpc.common.core.web.page.TableDataInfo;
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import com.xhpc.general.domain.XhpcAgreement;
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import org.apache.commons.math3.genetics.Fitness;
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import java.util.List;
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package com.xhpc.general.service;
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import javax.servlet.ServletOutputStream;
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import java.util.List;
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import java.util.Map;
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/**
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* @Author HongYun on 2021/11/15
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*/
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public interface IXhpcStatisticsExcelService {
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void exportByDay(ServletOutputStream out, String[] titles, String[] keys, List<Map<String, Object>> data) throws Exception;
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void export(ServletOutputStream out, String[] titles, String[] keys, List<Map<String, Object>> data) throws Exception;
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}
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package com.xhpc.general.service;
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import org.apache.poi.hssf.usermodel.*;
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import org.apache.poi.hssf.util.HSSFColor;
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import org.springframework.stereotype.Service;
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import javax.servlet.ServletOutputStream;
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import java.util.List;
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import java.util.Map;
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/**
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* @Author HongYun on 2021/11/15
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*/
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@Service
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public class XhpcStatisticsExcelServiceImpl implements IXhpcStatisticsExcelService {
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public void exportByDay(ServletOutputStream out, String[] titles, String[] keys, List<Map<String, Object>> data) throws Exception {
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export(out, titles, keys, data);
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}
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public void export(ServletOutputStream out, String[] titles, String[] keys, List<Map<String, Object>> data) throws Exception {
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try {
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//Making the head.
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HSSFWorkbook workbook = new HSSFWorkbook();
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HSSFSheet hssfSheet = workbook.createSheet("sheet1");
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HSSFRow row = hssfSheet.createRow(0);
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HSSFCellStyle hssfCellStyle = workbook.createCellStyle();
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hssfCellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);
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hssfCellStyle.setFillForegroundColor(HSSFColor.SKY_BLUE.index);
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hssfCellStyle.setFillPattern(HSSFCellStyle.SOLID_FOREGROUND);
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HSSFCell hssfCell;
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for (int i = 0; i < titles.length; i++) {
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hssfCell = row.createCell(i);
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hssfCell.setCellValue(titles[i]);
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hssfCell.setCellStyle(hssfCellStyle);
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hssfSheet.setColumnWidth(i, hssfCell.getStringCellValue().getBytes().length * 256 + 200);
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}
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//Loading data.
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HSSFRow dataRow;
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HSSFCell dataCell;
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int valuesLength = keys.length;
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for (int i = 1; i <= data.size(); i++) {
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Map<String, Object> map = data.get(i - 1);
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if (null != map) {
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dataRow = hssfSheet.createRow(i);
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for (int j = 0; j < valuesLength; j++) {
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if (null != map.get(keys[j])) {
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dataCell = dataRow.createCell(j);
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String s = String.valueOf(map.get(keys[j]));
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dataCell.setCellValue(s);
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}
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}
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}
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}
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// Exporting to the client.
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try {
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workbook.write(out);
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out.flush();
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out.close();
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} catch (Exception e) {
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e.printStackTrace();
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}
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} catch (Exception e) {
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e.printStackTrace();
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throw new Exception("导出信息失败！");
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}
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}
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}
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@ -0,0 +1,23 @@
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<?xml version="1.0" encoding="UTF-8" ?>
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<!DOCTYPE mapper
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PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
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"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
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<mapper namespace="com.xhpc.general.mapper.XhpcStatisticsExcelMapper">
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<select id="selectByDay" resultType="map">
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select date_format(create_time, '%Y-%m-%d') as time, sum(charging_degree) as chargingDegree,
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sum(charging_time) as chargingTime, sum(charging_number) as chargingNumber,
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sum(power_price) as powerPrice, sum(service_price) as servicePrice,
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sum(total_price) as totalPrice, sum(promotion_discount) as promotionDiscount,
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sum(act_power_price) as actPowerPrice, sum(act_service_price) as actServicePrice,
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sum(act_power_price + act_service_price) as actTotalPrice,
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sum(act_price) as actPrice, sum(internet_commission) as internetCommission,
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sum(internet_svc_commission) as internetSvcCommission, sum(platform_commission) as platformCommission,
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sum(platform_svc_commisssion) as platformSvcCommission, sum(operation_commission) as operationCommission,
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sum(operation_svc_commission) as operationSvcCommission
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from xhpc_statistics_station
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GROUP BY time;
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</select>
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</mapper>
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