测试 用electron + springboot 构建桌面应用
whyczh
2022-03-18 a3f31ff8adf23c1db33b7806f57dd5a23ebaa192
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package testElectronJ;
 
import org.apache.poi.hssf.usermodel.*;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import sun.misc.BASE64Decoder;
import testElectronJ.util.ServletUtils;
 
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
 
@RestController
@RequestMapping("test")
public class TestController {
    //@Autowired
    //private FboDataInf fboDataInf;
 
    @GetMapping("/hello")
    public Response hello(){
        return new Response().set(1,"hello");
    }
 
    @PostMapping("/readFboFile")
    public Response readFboFile(@RequestParam String filePath) throws UnsupportedEncodingException {
        FboDataInf fboDataInf = new FboDataInf();
        //String filePath1 = java.net.URLDecoder.decode(filePath,"utf-8");
        fboDataInf.readFboFile(filePath);
        return new Response().set(1,fboDataInf,filePath);
    }
 
    @PostMapping("/export")
    public void export(HttpServletRequest req, HttpServletResponse resp){
 
        String lbottom_echart = req.getParameter("lbottom_echart");        //电池电流折线图
        String rbottom_echart = req.getParameter("rbottom_echart");        //单体电压折现图
 
        String rl_echart = req.getParameter("ltop_echart");            //单体容量柱状图
        String sjbg_echart = req.getParameter("rtop_echart");            //数据表格
 
        String zddy_echart = req.getParameter("ltop_echart");            //组端电压
        String dtdy_echart = req.getParameter("rtop_echart");            //单体电压折线图
 
        //int battGroupId =Integer.valueOf(req.getParameter("battGroupId"));  //电池组编号
        //int testRecordCount =Integer.valueOf(req.getParameter("testRecordCount"));  //测试编号
 
        String filePath = req.getParameter("filePath");
        FboDataInf fboDataInf = new FboDataInf();
        fboDataInf.readFboFile(filePath);
 
        List<FboData> list = fboDataInf.fboData;
 
        List<byte[]> bytes = new ArrayList<>();
 
        try {
            if (ServletUtils.isNotNull(lbottom_echart)) {
                String[] url = lbottom_echart.split(",");
                bytes.add(new BASE64Decoder().decodeBuffer(url[1]));
            }if (ServletUtils.isNotNull(rbottom_echart)) {
                String[] url = rbottom_echart.split(",");
                bytes.add(new BASE64Decoder().decodeBuffer(url[1]));
            }if (ServletUtils.isNotNull(rl_echart)) {
                String[] url = rl_echart.split(",");
                bytes.add(new BASE64Decoder().decodeBuffer(url[1]));
            }if (ServletUtils.isNotNull(sjbg_echart)) {
                String[] url = sjbg_echart.split(",");
                bytes.add(new BASE64Decoder().decodeBuffer(url[1]));
            }if (ServletUtils.isNotNull(zddy_echart)) {
                String[] url = zddy_echart.split(",");
                bytes.add(new BASE64Decoder().decodeBuffer(url[1]));
            }if (ServletUtils.isNotNull(dtdy_echart)) {
                String[] url = dtdy_echart.split(",");
                bytes.add(new BASE64Decoder().decodeBuffer(url[1]));
            }
        }catch (Exception e){
            e.printStackTrace();
        }
        //当前日期
        String nowFormat = new SimpleDateFormat("yyyyMMddHHmmss").format(new Date());
        String excelName = "FGCD-"+nowFormat;
        HSSFWorkbook wb = new HSSFWorkbook();
 
        HSSFSheet sheet = wb.createSheet("Sheet1");
 
        //图片元素
        HSSFPatriarch patriarch = sheet.createDrawingPatriarch();
 
        //字体格式-加粗
        HSSFCellStyle cellStyle = wb.createCellStyle();
        HSSFFont font = wb.createFont();
        font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);
        cellStyle.setFont(font);
 
        //新建行
        //抬头
        int rowNum = 0;
        HSSFRow rowTitle = sheet.createRow(rowNum);
        HSSFCell cellTitle = rowTitle.createCell(0);
        cellTitle.setCellValue("一体机充放电数据");
        cellTitle.setCellStyle(cellStyle);
        rowNum++;
        //属性栏
        HSSFRow row = sheet.createRow(rowNum);
 
        row.createCell(0).setCellValue("测试时长"); //创建单元格
        row.createCell(1).setCellValue("总电压");
        row.createCell(2).setCellValue("测试容量");
        row.createCell(3).setCellValue("剩余容量");
        for(int i=0;i<5;i++){
            row.createCell(4+i).setCellValue("#"+Integer.valueOf(i+1));
        }
        rowNum++;
        //数据栏
        if(5!=0){
            for (int i = 0; i < list.size(); i++) {
                sheet.createRow(rowNum);  //创建行
                for(int j=0;j<5;j++){
                    FboData fbo=list.get(i+j);
                    sheet.getRow(rowNum).createCell(0).setCellValue(fbo.m_TestTime.toString());
                    sheet.getRow(rowNum).createCell(1).setCellValue(fbo.SumVoltage);
                    sheet.getRow(rowNum).createCell(2).setCellValue(fbo.testCap);
                    sheet.getRow(rowNum).createCell(3).setCellValue(fbo.residualCap);
                    //sheet.getRow(rowNum).createCell(4+j).setCellValue(fbo.getMonVol());
                }
                i=i+5-1;
                rowNum++;
            }
        }
        rowNum+=2;
        //插入图片
        int picNum = 0;
        String[] picName = new String[]{
                "电池电流折线图","单体电压柱状图","单体容量柱状图","数据表格","组端电压","单体电压折线图"
        };
        //for(int i=0;i<picName.length;i++){
        //    sheet.createRow(rowNum-1);
        //    sheet.getRow(rowNum-1).createCell(0).setCellValue(picName[i]);
        //    //rowNum++;
        //    HSSFClientAnchor anchor = new HSSFClientAnchor(0, 0, 512, 255,(short) 0, rowNum, (short) 10, rowNum+27);
        //    anchor.setAnchorType(3);
        //    patriarch.createPicture(anchor,wb.addPicture(bytes.get(picNum),HSSFWorkbook.PICTURE_TYPE_PNG)).resize(1);
        //    picNum ++;rowNum+=27;
        //}
 
        rowNum++;
 
        try {
            // 转码防止乱码
            resp.addHeader("Content-Disposition", "attachment;filename="
                    + new String(excelName.getBytes("UTF-8"), "ISO8859-1")
                    + ".xls");
            OutputStream out = resp.getOutputStream();
            wb.write(out);
            out.close();
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
 
 
 
    @PostMapping("/readFboFileStream")
    public Response readFboFileStream(@RequestParam("mFile") MultipartFile mFile, HttpServletRequest request) throws IOException {
        if (!mFile.isEmpty()){
            File file = new File(mFile.getOriginalFilename());
            System.out.println(file.getPath());
            FboDataInf fboDataInf = new FboDataInf();
            fboDataInf.readFboFile(file);
            return new Response().set(1,fboDataInf);
        }else {
            return new Response().set(0,"文件为空");
        }
    }
 
}