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

@@ -22,12 +22,19 @@
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;
@@ -42,6 +49,7 @@
@RequestMapping("/purchase/ledger")
@AllArgsConstructor
@Api(tags = "采购台账")
@Slf4j
public class PurchaseLedgerController extends BaseController {
    private IPurchaseLedgerService purchaseLedgerService;

@@ -52,6 +60,57 @@

    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
     */