提交 实现优化结果报告预览打印功能

于杰

2025-10-20 a54533effa355753fedbd53508d8f29964320a6a

 north-glass-erp/src/main/java/com/example/erp/controller/pp/GlassOptimizeController.java

@@ -1,6 +1,6 @@
package com.example.erp.controller.pp;

import cn.dev33.satoken.annotation.SaCheckPermission;
import org.springframework.core.io.InputStreamResource;
import com.example.erp.common.Constants;
import com.example.erp.common.Result;
import com.example.erp.entity.pp.LayoutsData;
@@ -10,7 +10,6 @@
import com.example.erp.service.pp.JsonToOptConverter;
import com.example.erp.service.userInfo.UserService;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.springframework.beans.factory.annotation.Autowired;
@@ -19,7 +18,11 @@
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.sql.Date;
import java.util.Map;

@@ -335,6 +338,78 @@
    }


    @CrossOrigin(origins = "*")
    @ApiOperation("PDF文件下载接口")
    @GetMapping("/reports/pdf")
    public ResponseEntity<InputStreamResource> downloadPdf(@RequestParam String filePath) {
        try {
            String decodedPath = java.net.URLDecoder.decode(filePath, "UTF-8");
            System.out.println("接收到的文件路径: " + decodedPath);

            // 放宽验证条件，仅检查必要条件
            if (decodedPath == null || decodedPath.trim().isEmpty()) {
                System.out.println("文件路径为空");
                return ResponseEntity.badRequest().build();
            }

            // 检查是否为PDF文件（不严格检查开头）
            if (!decodedPath.trim().toLowerCase().endsWith(".pdf")) {
                System.out.println("文件不是PDF格式: " + decodedPath);
                return ResponseEntity.badRequest().build();
            }

            // 处理路径，正确处理Windows网络路径
            String processedPath = decodedPath.trim();
            // 确保网络路径格式正确
            if (processedPath.startsWith("\\\\")) {
                // 已经是正确的网络路径格式
                System.out.println("检测到Windows网络路径: " + processedPath);
            } else if (processedPath.startsWith("\\")) {
                // 补全网络路径
                processedPath = "\\" + processedPath;
                System.out.println("补全网络路径为: " + processedPath);
            }

            System.out.println("处理后的文件路径: " + processedPath);

            // 构造文件路径
            File file = new File(processedPath);
            System.out.println("构造的文件绝对路径: " + file.getAbsolutePath());
            System.out.println("文件规范路径: " + file.getCanonicalPath());

            // 检查文件是否存在
            if (!file.exists()) {
                System.out.println("文件不存在: " + file.getAbsolutePath());
                return ResponseEntity.notFound().build();
            }

            // 检查是否为文件（而非目录）
            if (!file.isFile()) {
                System.out.println("路径不是文件: " + file.getAbsolutePath());
                return ResponseEntity.badRequest().build();
            }

            // 创建Resource
            InputStreamResource resource = new InputStreamResource(new FileInputStream(file));

            // 设置响应头
            HttpHeaders headers = new HttpHeaders();
            headers.add(HttpHeaders.CONTENT_DISPOSITION, "inline; filename=\"" + file.getName() + "\"");
            headers.add(HttpHeaders.CONTENT_TYPE, "application/pdf");
            headers.add(HttpHeaders.CONTENT_LENGTH, String.valueOf(file.length()));
            headers.add(HttpHeaders.ACCESS_CONTROL_EXPOSE_HEADERS, HttpHeaders.CONTENT_DISPOSITION);

            return ResponseEntity.ok()
                    .headers(headers)
                    .contentType(org.springframework.http.MediaType.APPLICATION_PDF)
                    .body(resource);

        } catch (Exception e) {
            e.printStackTrace();
            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).build();
        }
    }