feat: 下载发票pdf

sql/upgrade/1.0.17/upgrade.sql

@@ -12,6 +12,9 @@ ALTER TABLE `wfc_user_db`.`u_account`
 ADD COLUMN `package_reminder` tinyint(4) NULL COMMENT '套餐提醒' AFTER `up_limit_enable`,
 ADD COLUMN `balance_reminder` tinyint(4) NULL COMMENT '余额提醒' AFTER `package_reminder`
 
+ALTER TABLE `wfc_user_db`.`u_bill`
+ADD COLUMN `invoice_file_path` varchar(500) NULL COMMENT '发票文件路径' AFTER `invoice_file`
+
 INSERT IGNORE INTO `wfc_system_db`.`sys_job` (`job_id`, `job_name`, `job_group`, `invoke_target`, `cron_expression`, `misfire_policy`, `concurrent`, `status`, `create_by`, `create_time`, `update_by`, `update_time`, `remark`) VALUES (3, 'Reminder Task', 'DEFAULT', 'reminderTask.reminderJob', '0/60 * * * * ?', '3', '1', '0', 'admin', '2025-06-16 11:26:10', '', NULL, '');
 
 SET FOREIGN_KEY_CHECKS = 1;

wfc-api/wfc-api-system/src/main/java/org/wfc/system/api/domain/SysFile.java

@@ -25,6 +25,11 @@ public class SysFile
      */
     private String localUrl;
 
+    /**
+     * 文件路径
+     */
+    private String filePath;
+
     /**
      * 文件gateway地址
      */
@@ -64,6 +69,14 @@ public class SysFile
         this.gatewayUrl = gatewayUrl;
     }
 
+    public String getFilePath() {
+        return filePath;
+    }
+
+    public void setFilePath(String filePath) {
+        this.filePath = filePath;
+    }
+
     @Override
     public String toString() {
         return new ToStringBuilder(this,ToStringStyle.MULTI_LINE_STYLE)
@@ -71,6 +84,7 @@ public class SysFile
             .append("url", getUrl())
             .append("localUrl", getLocalUrl())
             .append("gatewayUrl", getGatewayUrl())
+            .append("filePath", getFilePath())
             .toString();
     }
 }

wfc-modules/wfc-file/src/main/java/org/wfc/file/controller/SysFileController.java

@@ -38,6 +38,7 @@ public class SysFileController {
             sysFile.setName(FileUtils.getName(urlResult.getGatewayUrl()));
             sysFile.setUrl(urlResult.getUrl());
             sysFile.setLocalUrl(urlResult.getLocalUrl());
+            sysFile.setFilePath(urlResult.getFilePath());
             sysFile.setGatewayUrl(urlResult.getGatewayUrl());
             return R.ok(sysFile);
         } catch (Exception e) {

wfc-modules/wfc-file/src/main/java/org/wfc/file/service/FastDfsSysFileServiceImpl.java

@@ -1,15 +1,16 @@
 package org.wfc.file.service;
 
-import java.io.InputStream;
 import com.alibaba.nacos.common.utils.IoUtils;
+import com.github.tobato.fastdfs.domain.fdfs.StorePath;
+import com.github.tobato.fastdfs.service.FastFileStorageClient;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
 import org.springframework.web.multipart.MultipartFile;
-import com.github.tobato.fastdfs.domain.fdfs.StorePath;
-import com.github.tobato.fastdfs.service.FastFileStorageClient;
 import org.wfc.common.core.utils.file.FileTypeUtils;
 
+import java.io.InputStream;
+
 /**
  * FastDFS 文件存储
  *
@@ -42,6 +43,6 @@ public class FastDfsSysFileServiceImpl implements ISysFileService
                 FileTypeUtils.getExtension(file), null);
         IoUtils.closeQuietly(inputStream);
         String fileUrl = domain + "/" + storePath.getFullPath();
-        return new LocalSysFileServiceImpl.FileUploadResult(fileUrl, fileUrl, fileUrl);
+        return new LocalSysFileServiceImpl.FileUploadResult(fileUrl, fileUrl, fileUrl, fileUrl);
     }
 }

wfc-modules/wfc-file/src/main/java/org/wfc/file/service/LocalSysFileServiceImpl.java

@@ -50,20 +50,23 @@ public class LocalSysFileServiceImpl implements ISysFileService
     public FileUploadResult uploadFile(MultipartFile file) throws Exception {
         String name = FileUploadUtils.upload(localFilePath, file);
         String url = localFilePrefix + name;
+        String filePath = localFilePath + name;
         String localUrl = domain + localFilePrefix + name;
         String gatewayUrl = gateway + pathPrefix + localFilePrefix + name;
-        return new FileUploadResult(url, localUrl, gatewayUrl);
+        return new FileUploadResult(url, localUrl, gatewayUrl, filePath);
     }   
 
     public static class FileUploadResult {
         private final String url;
         private final String localUrl;
         private final String gatewayUrl;
+        private final String filePath;
 
-        public FileUploadResult(String url, String localUrl, String gatewayUrl) {
+        public FileUploadResult(String url, String localUrl, String gatewayUrl, String filePath) {
             this.url = url;
             this.localUrl = localUrl;
             this.gatewayUrl = gatewayUrl;
+            this.filePath = filePath;
         }
 
         public String getUrl() {
@@ -77,5 +80,9 @@ public class LocalSysFileServiceImpl implements ISysFileService
         public String getGatewayUrl() {
             return gatewayUrl;
         }
+
+        public String getFilePath() {
+            return filePath;
+        }
     }
 }

wfc-modules/wfc-file/src/main/java/org/wfc/file/service/MinioSysFileServiceImpl.java

@@ -1,14 +1,15 @@
 package org.wfc.file.service;
 
-import java.io.InputStream;
+import com.alibaba.nacos.common.utils.IoUtils;
+import io.minio.MinioClient;
+import io.minio.PutObjectArgs;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.web.multipart.MultipartFile;
-import com.alibaba.nacos.common.utils.IoUtils;
 import org.wfc.file.config.MinioConfig;
 import org.wfc.file.utils.FileUploadUtils;
-import io.minio.MinioClient;
+
-import io.minio.PutObjectArgs;
+import java.io.InputStream;
 
 /**
  * Minio 文件存储
@@ -45,6 +46,6 @@ public class MinioSysFileServiceImpl implements ISysFileService
         client.putObject(args);
         IoUtils.closeQuietly(inputStream);
         String fileUrl = minioConfig.getUrl() + "/" + minioConfig.getBucketName() + "/" + fileName;
-        return new LocalSysFileServiceImpl.FileUploadResult(fileUrl, fileUrl, fileUrl);
+        return new LocalSysFileServiceImpl.FileUploadResult(fileUrl, fileUrl, fileUrl, fileUrl);
     }
 }

wfc-modules/wfc-user/src/main/java/org/wfc/user/controller/UBillController.java

@@ -2,6 +2,7 @@ package org.wfc.user.controller;
 
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.wfc.common.core.web.controller.BaseController;
@@ -9,6 +10,7 @@ import org.wfc.common.core.web.page.TableDataInfo;
 import org.wfc.user.domain.vo.UInvoiceBillVo;
 import org.wfc.user.service.IUBillService;
 
+import javax.servlet.http.HttpServletResponse;
 import java.util.List;
 
 /**
@@ -33,4 +35,9 @@ public class UBillController extends BaseController {
         return getDataTable(list);
     }
 
+    @GetMapping("/download/{id}")
+    public void download(HttpServletResponse response, @PathVariable("id") Long id) {
+        uBillService.download(response, id);
+    }
+
 }

wfc-modules/wfc-user/src/main/java/org/wfc/user/domain/UBill.java

@@ -46,6 +46,9 @@ public class UBill extends BaseData {
     @Schema(description = "发票文件")
     private String invoiceFile;
 
+    @Schema(description = "发票文件路径")
+    private String invoiceFilePath;
+
     @Schema(description = "发票文件")
     private Date invoiceTime;
 }

wfc-modules/wfc-user/src/main/java/org/wfc/user/domain/vo/UInvoiceBillVo.java

@@ -13,6 +13,9 @@ import java.util.Date;
 @Data
 public class UInvoiceBillVo {
 
+    @Schema(description = "id")
+    private Long id;
+
     @Schema(description = "发票编号")
     private String invoiceNumber;
 

wfc-modules/wfc-user/src/main/java/org/wfc/user/domain/vo/UInvoiceGenVo.java

@@ -16,5 +16,7 @@ public class UInvoiceGenVo {
 
     private String invoiceFile;
 
+    private String invoiceFilePath;
+
     private Date invoiceTime;
 }

wfc-modules/wfc-user/src/main/java/org/wfc/user/service/IUBillService.java

@@ -7,6 +7,7 @@ import org.wfc.user.domain.vo.UBillUserVo;
 import org.wfc.user.domain.vo.UInvoiceBillVo;
 import org.wfc.user.domain.vo.UInvoiceGenVo;
 
+import javax.servlet.http.HttpServletResponse;
 import java.util.List;
 
 /**
@@ -23,5 +24,8 @@ public interface IUBillService extends IService<UBill> {
 
     List<UInvoiceBillVo> getInvoiceByUser();
 
+    void download(HttpServletResponse response, Long id);
+
     UInvoiceGenVo genInvoice(UOrder order);
+
 }

wfc-modules/wfc-user/src/main/java/org/wfc/user/service/impl/UBillServiceImpl.java

@@ -2,6 +2,7 @@ package org.wfc.user.service.impl;
 
 import cn.hutool.core.collection.CollUtil;
 import cn.hutool.core.io.FileUtil;
+import cn.hutool.core.io.IoUtil;
 import cn.hutool.core.util.ObjectUtil;
 import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
@@ -29,7 +30,6 @@ import org.wfc.common.security.utils.SecurityUtils;
 import org.wfc.system.api.RemoteFileService;
 import org.wfc.system.api.domain.SysFile;
 import org.wfc.user.api.domain.UUser;
-import org.wfc.user.domain.InvoiceBean;
 import org.wfc.user.domain.UBill;
 import org.wfc.user.domain.UOrder;
 import org.wfc.user.domain.UPackage;
@@ -37,6 +37,7 @@ import org.wfc.user.domain.URateLimit;
 import org.wfc.user.domain.bo.UInvoiceTemplateBo;
 import org.wfc.user.domain.constant.OrderTypeEnum;
 import org.wfc.user.domain.constant.PeriodTypeEnum;
+import org.wfc.user.domain.properties.InvoiceProperties;
 import org.wfc.user.domain.vo.UBillUserVo;
 import org.wfc.user.domain.vo.UInvoiceBillVo;
 import org.wfc.user.domain.vo.UInvoiceGenVo;
@@ -47,9 +48,11 @@ import org.wfc.user.mapper.UUserMapper;
 import org.wfc.user.service.IUBillService;
 import org.wfc.user.util.TrafficConverter;
 
+import javax.servlet.http.HttpServletResponse;
 import java.io.File;
 import java.io.IOException;
 import java.math.RoundingMode;
+import java.net.URLEncoder;
 import java.nio.file.Files;
 import java.nio.file.Paths;
 import java.text.SimpleDateFormat;
@@ -77,7 +80,7 @@ public class UBillServiceImpl extends ServiceImpl<UBillMapper, UBill> implements
     private final RedisService redisService;
     private final UPackageMapper packageMapper;
     private final URateLimitMapper urateLimitMapper;
-    private final InvoiceBean invoiceBean;
+    private final InvoiceProperties invoiceProperties;
 
     public static final String PRE_INVOICE_NUMBER = "INV-";
     public static final String LAST_INVOICE_NUMBER = "-001";
@@ -97,9 +100,37 @@ public class UBillServiceImpl extends ServiceImpl<UBillMapper, UBill> implements
         return this.baseMapper.getInvoiceByUser(loginUser.getUserid());
     }
 
+    @Override
+    public void download(HttpServletResponse response, Long id) {
+        UBill bill = this.getById(id);
+        String invoiceFilePath = bill.getInvoiceFilePath();
+        if (StrUtil.isNotBlank(invoiceFilePath)) {
+            byte[] content = FileUtil.readBytes(invoiceFilePath);
+            if (content == null) {
+                throw new ServiceException("file does not exist");
+            }
+            try {
+                writeAttachment(response, bill.getInvoiceNumber() + ".pdf", content);
+            } catch (IOException e) {
+                throw new ServiceException("download file error");
+            }
+        }
+
+    }
+
+    public static void writeAttachment(HttpServletResponse response, String filename, byte[] content) throws IOException {
+        // 设置 header 和 contentType
+        response.setHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode(filename, "UTF-8"));
+        response.setContentType("application/octet-stream; charset=UTF-8");
+        response.setHeader("Content-Length", String.valueOf(content.length - 1));
+        response.setHeader("Content-Range", String.valueOf(content.length - 1));
+        response.setHeader("Accept-Ranges", "bytes");
+        // 输出附件
+        IoUtil.write(response.getOutputStream(), false, content);
+    }
+
     @Override
     public UInvoiceGenVo genInvoice(UOrder order) {
-        String url;
         UInvoiceTemplateBo invoiceBo = new UInvoiceTemplateBo();
         if (order.getUserId() != null) {
             UUser user = userMapper.selectUserById(order.getUserId());
@@ -175,7 +206,7 @@ public class UBillServiceImpl extends ServiceImpl<UBillMapper, UBill> implements
         Context context = getContext(invoiceBo);
         String htmlStr = templateEngine.process("invoice", context);
 
-        String prefix = invoiceBean.getPath();
+        String prefix = invoiceProperties.getPath();
         String basePath = prefix + File.separator + "invoice";
         String fontsDir = prefix + File.separator + "fonts";
         FileUtil.mkdir(basePath);
@@ -195,13 +226,14 @@ public class UBillServiceImpl extends ServiceImpl<UBillMapper, UBill> implements
 
         MultipartFile multipartFile = MultipartFileUtil.getMultipartFile(uploadFile);
         R<SysFile> fileResult = remoteFileService.upload(multipartFile);
-        url = fileResult.getData().getUrl();
+        String url = fileResult.getData().getUrl();
+        String filePath = fileResult.getData().getFilePath();
         log.info("invoice file addr: {}", url);
 
         try {
             String subject = mailProperties.getSubject();
             if (StrUtil.isBlank(subject)) {
-                subject = "Your WANFI Verification Code";
+                subject = "Your WANFI Billing";
             }
             MailUtils.sendHtml(invoiceBo.getEmail(), subject, htmlStr, uploadFile);
 
@@ -213,6 +245,7 @@ public class UBillServiceImpl extends ServiceImpl<UBillMapper, UBill> implements
         invoiceGenVo.setInvoiceNumber(invoiceBo.getInvoiceNumber());
         invoiceGenVo.setInvoiceFile(url);
         invoiceGenVo.setInvoiceTime(date);
+        invoiceGenVo.setInvoiceFilePath(filePath);
         return invoiceGenVo;
     }
 

wfc-modules/wfc-user/src/main/java/org/wfc/user/service/impl/UOrderServiceImpl.java

@@ -109,6 +109,7 @@ public class UOrderServiceImpl extends ServiceImpl<UOrderMapper, UOrder> impleme
             // 设置发票编号和发票文件地址
             bill.setInvoiceNumber(invoiceGenVo.getInvoiceNumber());
             bill.setInvoiceFile(invoiceGenVo.getInvoiceFile());
+            bill.setInvoiceFilePath(invoiceGenVo.getInvoiceFilePath());
             bill.setInvoiceTime(invoiceGenVo.getInvoiceTime());
         }
 

wfc-modules/wfc-user/src/main/resources/mapper/user/UBillMapper.xml

@@ -21,6 +21,7 @@
 
     <select id="getInvoiceByUser" resultType="org.wfc.user.domain.vo.UInvoiceBillVo">
         SELECT
+            b.id,
             b.invoice_number,
             b.invoice_file,
             b.amount,