单灯数据直接下载

liuhaonan

2022-05-13 0d2e4e6b8954d77dd34664f861135ae41f7eb828

 ximon-admin/src/main/java/com/sandu/ximon/admin/service/LightReportDataService.java

@@ -1,22 +1,15 @@
package com.sandu.ximon.admin.service;

import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.date.DateTime;
import cn.hutool.core.io.FileUtil;
import cn.hutool.core.util.RandomUtil;
import com.alibaba.excel.EasyExcel;
import com.alibaba.excel.ExcelWriter;
import com.alibaba.excel.write.metadata.WriteSheet;
import com.alibaba.fastjson.JSON;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.github.pagehelper.PageHelper;
import com.sandu.common.domain.CommonPage;
import com.sandu.common.execption.BusinessException;
import com.sandu.common.file.FileUploadDto;
import com.sandu.common.file.config.FileProperties;
import com.sandu.common.file.impl.AliOssFileServiceImpl;
import com.sandu.common.service.impl.BaseServiceImpl;
import com.sandu.common.util.ResUtils;
import com.sandu.common.util.SpringContextHolder;
import com.sandu.ximon.admin.manager.iot.frame.inner.report.A5LightHeartbeatReportInnerFrame;
import com.sandu.ximon.admin.manager.iot.rrpc.enums.A5LightDataEnum;
@@ -30,15 +23,18 @@
import lombok.AllArgsConstructor;
import lombok.SneakyThrows;
import org.springframework.beans.BeanUtils;
import org.springframework.core.io.ClassPathResource;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.sql.Wrapper;
import java.time.LocalDate;
import java.io.FileInputStream;
import java.io.IOException;
import java.time.LocalDateTime;
import java.util.*;
import java.time.format.DateTimeFormatter;
import java.util.ArrayList;
import java.util.List;

/**
 * @author chenjiantian
@@ -58,14 +54,22 @@
     * @return 是否成功
     */
    public boolean saveReportData(String deviceName, A5LightHeartbeatReportInnerFrame.HeartBeatDataPackage heartBeatDataPackage) {
        LightReportData lightReportData = RedisUtils.getBean().get(A5LightDataEnum.LIGHT_HEART_BEAT.getCode() + deviceName, LightReportData.class);
//        LightReportData lightReportData = RedisUtils.getBean().get(A5LightDataEnum.LIGHT_HEART_BEAT.getCode() + deviceName, LightReportData.class);


        String format = LocalDateTime.now().format(DateTimeFormatter.ofPattern("YYYY-MM-dd HH:mm:ss"));
        LightReportData lightReportData = new LightReportData();

        if (lightReportData == null) {
            lightReportData = new LightReportData();
            lightReportData.setCreateTime(LocalDateTime.now());
            lightReportData.setCreateTime(format);
        }
        //todo
        lightReportData.setCreateTime(format);
        BeanUtils.copyProperties(heartBeatDataPackage, lightReportData);
        lightReportData.setDeviceCode(deviceName);
        lightReportData.setUpdateTime(LocalDateTime.now());

        lightReportData.setUpdateTime(format);
        //单灯数据保存到缓存里
        RedisUtils.getBean().set(A5LightDataEnum.LIGHT_HEART_BEAT.getCode() + deviceName, lightReportData);

@@ -92,7 +96,7 @@

        List<LightReportDataBo> lightReportDataBos = new ArrayList<>(pageSize);

        CommonPage<String> stringCommonPage = SpringContextHolder.getBean(LightService.class).listDeviceCode(pageNo, pageSize,keyword, deviceCode);
        CommonPage<String> stringCommonPage = SpringContextHolder.getBean(LightService.class).listDeviceCode(pageNo, pageSize, keyword, deviceCode);
        List<String> macList = stringCommonPage.getList();
        if (CollUtil.isEmpty(macList)) {
            return new CommonPage();
@@ -122,12 +126,13 @@
        CommonPage commonPage = CommonPage.restPage(lightReportDataBos);
        commonPage.setTotal(stringCommonPage.getTotal());
        commonPage.setTotalPage(stringCommonPage.getTotalPage());
        commonPage.setPageNum(pageNo);

        return commonPage;
    }

    @SneakyThrows
    public String exportList(int pageNo, int pageSize, String keyword, String deviceCode) {
    public String exportList(HttpServletRequest request, HttpServletResponse response, String deviceCode) {

        if (SecurityUtils.getClientId() != null) {
            PoleBinding one = SpringContextHolder.getBean(PoleBindingService.class).getOne(Wrappers.lambdaQuery(PoleBinding.class).eq(PoleBinding::getDeviceCode, deviceCode)
@@ -144,31 +149,62 @@
            }
        }

        PageHelper.startPage(pageNo, pageSize);
        List<LightReportDataBo> list = baseMapper.listReportData(keyword, deviceCode);
        List<LightReportDataBo> list = baseMapper.listReportData(null, deviceCode);

        File file = new File("./" + RandomUtil.randomString(12) + ".xlsx");
//        File file = new File(properties.getUploadRootPath() + "export" + File.separator + RandomUtil.randomString(12) + ".xlsx");
//        ClassPathResource cpr = new ClassPathResource("public/exportOrder.xlsx");
//        FileUtil.mkParentDirs(file);
//
//        ExcelWriter excelWriter = EasyExcel.write(file).withTemplate(cpr.getInputStream()).build();
//        WriteSheet writeSheet = EasyExcel.writerSheet().build();
//        excelWriter.fill(list, writeSheet);
//        excelWriter.finish();

        EasyExcel.write(file, LightReportDataBo.class).sheet("模版").doWrite(list);

        FileUploadDto fileUploadDto = fileService.uploadFile(file);
//        String url = file.getPath().replace(properties.getUploadRootPath(), "");
        String url = fileUploadDto.getFileUrl();
        //文件流化返回给前端
        findfile(request, response, file);
        //删除文件
        file.delete();
        return url;

        // return list;
        return null;
    }

    public List<LightReportDataBo> reportDataList(List<String> deviceCodeList, DateTime startDate, DateTime endDate) {
        return baseMapper.reportDataList(deviceCodeList, startDate, endDate);
    /**
     * 文件流化
     *
     * @param request
     * @param response
     * @param file
     * @throws IOException
     */
    public void findfile(HttpServletRequest request, HttpServletResponse response, File file) throws IOException {
        ServletOutputStream out = null;
        FileInputStream ips = null;
        try {
            //获取文件存放的路径
            String fileName = file.getName();
            //获取到文字 数据库里对应的附件名字加上老的文件名字：filename 截取到后面的文件类型 例：txt  组成一个新的文件名字：newFileName
            //生成3个随机数，用来生成新的文件名字
            String newFileName = "单灯数据" + RandomUtil.randomString(3) + ".xlsx";
            if (!file.exists()) {
                //如果文件不存在就跳出
                return;
            }
            ips = new FileInputStream(file);
            response.setContentType("multipart/form-data");
            //为文件重新设置名字，采用数据库内存储的文件名称
            response.addHeader("Content-Disposition", "attachment; filename=\"" + new String(newFileName.getBytes("UTF-8"), "ISO8859-1") + "\"");
            out = response.getOutputStream();
            //读取文件流
            int len = 0;
            byte[] buffer = new byte[1024 * 10];
            while ((len = ips.read(buffer)) != -1) {
                out.write(buffer, 0, len);
            }
            out.flush();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                out.close();
                ips.close();
            } catch (IOException e) {
                System.out.println("关闭流出现异常");
                e.printStackTrace();
            }
        }
    }
}