yys 采购台账模板导入，模板下载接口

maven

2 天以前 05ae94ea868f4bc85984b0e6d38512c163dc3c33

 src/main/java/com/ruoyi/purchase/controller/PurchaseLedgerController.java

@@ -11,19 +11,30 @@
import com.ruoyi.framework.web.domain.AjaxResult;
import com.ruoyi.framework.web.page.TableDataInfo;
import com.ruoyi.purchase.dto.PurchaseLedgerDto;
import com.ruoyi.purchase.mapper.PurchaseLedgerTemplateMapper;
import com.ruoyi.purchase.mapper.SalesLedgerProductTemplateMapper;
import com.ruoyi.purchase.pojo.PurchaseLedger;
import com.ruoyi.purchase.pojo.PurchaseLedgerTemplate;
import com.ruoyi.purchase.pojo.SalesLedgerProductTemplate;
import com.ruoyi.purchase.service.IPurchaseLedgerService;
import com.ruoyi.sales.pojo.SalesLedgerProduct;
import com.ruoyi.sales.service.ISalesLedgerProductService;
import com.ruoyi.sales.service.ISalesLedgerService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import lombok.AllArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletResponse;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.math.BigDecimal;
import java.net.URLEncoder;
import java.util.List;
import java.util.Optional;
import java.util.stream.Collectors;
@@ -37,12 +48,68 @@
@RestController
@RequestMapping("/purchase/ledger")
@AllArgsConstructor
@Api(tags = "111")
@Api(tags = "采购台账")
@Slf4j
public class PurchaseLedgerController extends BaseController {
    private IPurchaseLedgerService purchaseLedgerService;

    private ISalesLedgerService salesLedgerService;
    private ISalesLedgerProductService salesLedgerProductService;

    private PurchaseLedgerTemplateMapper purchaseLedgerTemplateMapper;

    private SalesLedgerProductTemplateMapper salesLedgerProductTemplateMapper;


    /**
     * 导入采购台账
     */
    @Log(title = "导入采购台账", businessType = BusinessType.INSERT)
    @PostMapping("/import")
    @ApiOperation("导入采购台账")
    public AjaxResult importData(@RequestParam("file")
                                 @ApiParam(value = "Excel文件", required = true)
                                         MultipartFile file) {
        return purchaseLedgerService.importData(file);
    }

    @ApiOperation("导出采购台账模板")
    @PostMapping("/exportTemplate")
    public void exportTemplate(HttpServletResponse response) {
        // 1. 模板文件在resources/static下的路径
        String templatePath = "static/采购台账导入模板.xlsx";

        // 2. 获取模板文件的输入流
        try (InputStream inputStream = this.getClass().getClassLoader().getResourceAsStream(templatePath)) {
            if (inputStream == null) {
                throw new FileNotFoundException("模板文件不存在：" + templatePath);
            }

            // 3. 设置响应头，触发浏览器下载
            response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
            response.setCharacterEncoding("utf-8");
            String fileName = URLEncoder.encode("采购台账导入模板.xlsx", "utf-8").replaceAll("\\+", "%20");
            response.setHeader("Content-disposition", "attachment;filename*=utf-8''" + fileName);

            // 4. 将模板文件写入响应输出流
            try (OutputStream outputStream = response.getOutputStream()) {
                byte[] buffer = new byte[1024];
                int len;
                while ((len = inputStream.read(buffer)) > 0) {
                    outputStream.write(buffer, 0, len);
                }
                outputStream.flush();
            }
        } catch (IOException e) {
            log.error("导出销售台账模板失败", e);
            // 若模板文件读取失败，返回错误提示
            try {
                response.getWriter().write("模板导出失败：" + e.getMessage());
            } catch (IOException ex) {
                log.error("响应输出错误", ex);
            }
        }
    }

    /**
     * 查询采购台账列表
@@ -84,34 +151,24 @@
     */
    @Log(title = "采购台账", businessType = BusinessType.INSERT)
    @PostMapping("/addOrEditPurchase")
    public AjaxResult addOrEditPurchase(@RequestBody PurchaseLedgerDto purchaseLedgerDto) throws IOException {
    public AjaxResult addOrEditPurchase(@RequestBody PurchaseLedgerDto purchaseLedgerDto) throws Exception {
        return toAjax(purchaseLedgerService.addOrEditPurchase(purchaseLedgerDto));
    }
    /**
     * 新增采购模板
     */
    @PostMapping("/addPurchaseTemplate")
    public AjaxResult addPurchaseTemplate(@RequestBody PurchaseLedgerDto purchaseLedgerDto) throws IOException {
        return toAjax(purchaseLedgerService.addPurchaseTemplate(purchaseLedgerDto));
    }

    /**
     * 查询采购模板
     */
    @ApiOperation("/2222")
    @ApiOperation("/查询采购模板")
    @GetMapping("/getPurchaseTemplateList")
    public AjaxResult getPurchaseTemplateList() {
        PurchaseLedgerDto purchaseLedgerDto = new PurchaseLedgerDto();
        purchaseLedgerDto.setApprovalStatus(3);
        IPage<PurchaseLedgerDto> purchaseLedgerDtoIPage = purchaseLedgerService.selectPurchaseLedgerListPage(new Page(1, -1), purchaseLedgerDto);
        List<PurchaseLedgerDto> purchaseLedgers = purchaseLedgerDtoIPage.getRecords();

        List<PurchaseLedgerTemplate>  purchaseLedgers = purchaseLedgerTemplateMapper.selectList(null);
        purchaseLedgers.forEach(purchaseLedgerDto1 -> {
            LambdaQueryWrapper<SalesLedgerProduct> queryWrapper = new LambdaQueryWrapper<>();
            queryWrapper.eq(SalesLedgerProduct::getSalesLedgerId, purchaseLedgerDto1.getId())
                    .eq(SalesLedgerProduct::getType, 2);
            List<SalesLedgerProduct> list = salesLedgerProductService.list(queryWrapper);
            LambdaQueryWrapper<SalesLedgerProductTemplate> queryWrapper = new LambdaQueryWrapper<>();
            queryWrapper.eq(SalesLedgerProductTemplate::getSalesLedgerId, purchaseLedgerDto1.getId())
                    .eq(SalesLedgerProductTemplate::getType, 2);
            List<SalesLedgerProductTemplate> list = salesLedgerProductTemplateMapper.selectList(queryWrapper);
            if (!list.isEmpty()) {
                purchaseLedgerDto1.setProductData(list);
                purchaseLedgerDto1.setProductList(list);
            }
        });
        return AjaxResult.success(purchaseLedgers);
@@ -194,27 +251,7 @@
     */
    @GetMapping("/listPage")
    public AjaxResult listPage(Page page, PurchaseLedgerDto purchaseLedger) {
        IPage<PurchaseLedgerDto> purchaseLedgerDtoIPage = Optional.ofNullable(
                purchaseLedgerService.selectPurchaseLedgerListPage(page, purchaseLedger)
        ).orElse(new Page<>());

        // 处理null
        Optional.ofNullable(purchaseLedgerDtoIPage.getRecords())
                .filter(CollectionUtils::isNotEmpty)
                .ifPresent(records -> {
                    // 过滤approvalStatus=3的记录
                    records.removeIf(dto -> dto != null && dto.getApprovalStatus() == 3);
                    // 修正未收付款金额
                    records.forEach(dto -> {
                        if (dto == null) return;
                        BigDecimal unReceiptAmt = Optional.ofNullable(dto.getUnReceiptPaymentAmount()).orElse(BigDecimal.ZERO);
                        if (unReceiptAmt.compareTo(BigDecimal.ZERO) == 0) {
                            dto.setUnReceiptPaymentAmount(Optional.ofNullable(dto.getContractAmount()).orElse(BigDecimal.ZERO));
                        }
                    });
                });

        return AjaxResult.success(purchaseLedgerDtoIPage);
        return AjaxResult.success(purchaseLedgerService.selectPurchaseLedgerListPage(page, purchaseLedger));
    }

    @ApiOperation("生成采购序列号")