#导出excel单据

zjj

2023-11-04 6604d9c5b6d4d00b621c6a372059653bb63c3b07

 src/main/java/com/zy/asrs/controller/OrderController.java

@@ -37,6 +37,7 @@
import java.io.OutputStream;
import java.math.BigDecimal;
import java.net.URLEncoder;
import java.text.SimpleDateFormat;
import java.util.*;

@RestController
@@ -58,6 +59,8 @@
    private LocOwnerService locOwnerService;
    @Autowired
    private OrderLogService orderLogService;
    @Autowired
    private OrderDetlLogService orderDetlLogService;

    @RequestMapping(value = "/order/all")
    @ManagerAuth
@@ -71,62 +74,109 @@

        return R.ok().add(stockStatis);
    }
//    @RequestMapping(value = "/order/export")
//    @ManagerAuth
//    public void orderExport(HttpServletResponse response,OrderExport orderExport) throws IOException {
//        List<OrderDetl> orderNo = orderDetlService.selectList(new EntityWrapper<OrderDetl>().eq("order_no", orderExport.getOrderNo()));
//
//        response.setContentType("application/vnd.ms-excel");
//        response.setCharacterEncoding("utf-8");
//        String templateFileName =
//                this.getClass().getClassLoader().getResource("ru.xlsx").getPath();;
//
//        String fileName =  "complexFill" + System.currentTimeMillis() + ".xlsx";
//
//        response.setHeader("Content-disposition", "attachment;filename=" + fileName);
//        ExcelWriter excelWriter = EasyExcel.write(fileName).withTemplate(templateFileName).build();
//        WriteSheet writeSheet = EasyExcel.writerSheet().build();
//        // 这里注意 入参用了forceNewRow 代表在写入list的时候不管list下面有没有空行 都会创建一行，然后下面的数据往后移动。默认 是false，会直接使用下一行，如果没有则创建。
//        // forceNewRow 如果设置了true,有个缺点 就是他会把所有的数据都放到内存了，所以慎用
//        // 简单的说 如果你的模板有list,且list不是最后一行，下面还有数据需要填充 就必须设置 forceNewRow=true 但是这个就会把所有数据放到内存 会很耗内存
//        // 如果数据量大 list不是最后一行 参照下一个
//        FillConfig fillConfig = FillConfig.builder().forceNewRow(Boolean.TRUE).build();
//        excelWriter.fill(orderNo, fillConfig, writeSheet);
////        excelWriter.fill(orderNo, fillConfig, writeSheet);
//        Map<String, Object> map = new HashMap<String, Object>();
//        map.put("date", "2019年10月9日13:28:28");
//        map.put("total", 1000);
//        excelWriter.fill(map, writeSheet);
//        excelWriter.finish();
//
//
//    }

    @RequestMapping("/download_excel")
    public void downloadExcel(HttpServletResponse response,@RequestParam String orderNo) throws IOException {
    public void downloadExcel(HttpServletResponse response,
                              @RequestParam String orderNo,
                              @RequestParam Integer type,
                              @RequestParam String name,
                              @RequestParam String threeCode) throws IOException {

        //获取单据类型
        DocType docType = docTypeService.selectOne(new EntityWrapper<DocType>().eq("doc_id", type));
        if (docType.getPakin()==1 && docType.getPakout()==0){
            type = 1;
        } else if (docType.getPakin()==0 && docType.getPakout()==1) {
            type = 2;
        }else {
            throw new CoolException("单据类型有误");
        }
        //设置http返回头和文件名
        response.setContentType("application/vnd.ms-excel");
        response.setCharacterEncoding("utf-8");
        String fileName = "Order " + orderNo + ".xlsx";
        response.setHeader("Content-disposition", "attachment;filename=" + fileName);

        //excel写入的数据
        Map<String, Object> map = new HashMap<String, Object>();
        map.put("orderNo", orderNo);
        map.put("name",name);
        map.put("threeCode",threeCode);

        OutputStream outputStream = response.getOutputStream();
        orderExport(outputStream, orderNo);
        orderExport(outputStream,type,map);
        outputStream.flush();
        outputStream.close();
    }

    public void orderExport(OutputStream outputStream, String orderNo) throws IOException {
        List<OrderDetl> orderDetls = orderDetlService.selectList(new EntityWrapper<OrderDetl>().eq("order_no", orderNo));
    public void orderExport(OutputStream outputStream,Integer type,Map<String, Object> map) throws IOException {

        String templateFileName = this.getClass().getClassLoader().getResource("ru.xlsx").getPath();
        //获取订单明细数据
        List<OrderDetl> orderDetls = orderDetlService.selectList(new EntityWrapper<OrderDetl>().eq("order_no", map.get("orderNo")));
        List<OrderDetlLog> orderDetlLogs = new ArrayList<>();
        if (Cools.isEmpty(orderDetls)){
            orderDetlLogs = orderDetlLogService.selectList(new EntityWrapper<OrderDetlLog>().eq("order_no", map.get("orderNo")));
        }
        //获取模版路径
        String templateFileName = null ;
        if (type == 1){
            templateFileName = this.getClass().getClassLoader().getResource("ru.xlsx").getPath();
        } else if (type ==2 ) {
            templateFileName = this.getClass().getClassLoader().getResource("cu.xlsx").getPath();
        }


        //把文件写入到outputStream中
        ExcelWriter excelWriter = EasyExcel.write(outputStream).withTemplate(templateFileName).build();
        WriteSheet writeSheet = EasyExcel.writerSheet().build();
        FillConfig fillConfig = FillConfig.builder().forceNewRow(Boolean.TRUE).build();
        excelWriter.fill(orderDetls, fillConfig, writeSheet);
        Map<String, Object> map = new HashMap<String, Object>();
        map.put("date", "2019年10月9日13:28:28");
        map.put("orderNo", orderNo);

        //总计数量，重量
        BigDecimal sumWeight = new BigDecimal(0);
        BigDecimal sumAnfme = new BigDecimal(0);

        if (Cools.isEmpty(orderDetls)){
            //序号
            int i = 1;
            for (OrderDetlLog orderDetlLog:orderDetlLogs){
                orderDetlLog.setThreeCode(map.get("threeCode").toString());
                orderDetlLog.setDanger(i);
                i++;
                if (Cools.isEmpty(orderDetlLog.getWeight())){
                    orderDetlLog.setWeight(0.0);
                }
                sumWeight = sumWeight.add(BigDecimal.valueOf(orderDetlLog.getWeight()));
                sumAnfme = sumAnfme.add(BigDecimal.valueOf(orderDetlLog.getAnfme()));
            }
            //写入orderDetlLogs中的数据
            excelWriter.fill(orderDetlLogs, fillConfig, writeSheet);
            map.put("comp",orderDetlLogs.get(0).getOwner$());
            map.put("sumVol",sumWeight);
            map.put("sumAnfme",sumAnfme);
        }else {
            int i = 1;
            for (OrderDetl orderDetl:orderDetls){
                orderDetl.setThreeCode(map.get("threeCode").toString());
                orderDetl.setDanger(i);
                i++;
                if (Cools.isEmpty(orderDetl.getWeight())){
                    orderDetl.setWeight(0.0);
                }
                sumWeight = sumWeight.add(BigDecimal.valueOf(orderDetl.getWeight()));
                sumAnfme = sumAnfme.add(BigDecimal.valueOf(orderDetl.getAnfme()));

            }
            excelWriter.fill(orderDetls, fillConfig, writeSheet);
            map.put("comp",orderDetls.get(0).getOwner$());
            map.put("sumVol",sumWeight);
            map.put("sumAnfme",sumAnfme);
        }
        Date date = new Date();
        SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy/MM/dd");

        map.put("time",dateFormat.format(date));

        //写入map中的数据
        excelWriter.fill(map, writeSheet);
        excelWriter.finish();
    }