From 3b42bea34b9ed7d9d2096c62dc261cc89bc31ae7 Mon Sep 17 00:00:00 2001
From: linwei <872216696@qq.com>
Date: Mon, 26 Jan 2026 18:25:30 +0800
Subject: [PATCH] 文件下载
---
drone-ops/drone-resource/src/main/java/org/sxkj/resource/controller/AttachController.java | 92 ++++++++++++++++++++++++++++++++++-----------
1 files changed, 69 insertions(+), 23 deletions(-)
diff --git a/drone-ops/drone-resource/src/main/java/org/sxkj/resource/controller/AttachController.java b/drone-ops/drone-resource/src/main/java/org/sxkj/resource/controller/AttachController.java
index e08c00a..2f69fb3 100644
--- a/drone-ops/drone-resource/src/main/java/org/sxkj/resource/controller/AttachController.java
+++ b/drone-ops/drone-resource/src/main/java/org/sxkj/resource/controller/AttachController.java
@@ -132,17 +132,17 @@
/**
* 分页 附件表
*/
- // @GetMapping("/list")
- // @ApiOperationSupport(order = 2)
- // @ApiOperation(value = "附件分页", notes = "传入attach")
- // public R<IPage<Attach>> list(Attach attach, Query query) {
- // List<String> wayLineJobIds = attach.getWayLineJobIds();
- // QueryWrapper<Attach> queryWrapper1 = Condition.getQueryWrapper(attach);
- // QueryWrapper<Attach> queryWrapper = queryWrapper1.in(!CollectionUtils.isEmpty(wayLineJobIds), "wayline_job_id", wayLineJobIds);
- // queryWrapper.eq("is_deleted", 0);
- // IPage<Attach> pages = attachService.page(Condition.getPage(query), queryWrapper);
- // return R.data(pages);
- // }
+ @GetMapping("/list")
+ @ApiOperationSupport(order = 2)
+ @ApiOperation(value = "附件分页", notes = "传入attach")
+ public R<IPage<Attach>> list(Attach attach, Query query) {
+ List<String> wayLineJobIds = attach.getWayLineJobIds();
+ QueryWrapper<Attach> queryWrapper1 = Condition.getQueryWrapper(attach);
+ QueryWrapper<Attach> queryWrapper = queryWrapper1.in(!CollectionUtils.isEmpty(wayLineJobIds), "wayline_job_id", wayLineJobIds);
+ queryWrapper.eq("is_deleted", 0);
+ IPage<Attach> pages = attachService.page(Condition.getPage(query), queryWrapper);
+ return R.data(pages);
+ }
/**
* 自定义分页 附件表
@@ -189,24 +189,70 @@
/**
* 新增 附件表
*/
- // @PostMapping("/save")
- // @ApiOperationSupport(order = 4)
- // @ApiOperation(value = "新增", notes = "传入attach")
- // public R save(@Valid @RequestBody Attach attach) {
- // return R.status(attachService.save(attach));
- // }
+ @PostMapping("/save")
+ @ApiOperationSupport(order = 4)
+ @ApiOperation(value = "新增", notes = "传入attach")
+ public R save(@Valid @RequestBody Attach attach) {
+ return R.status(attachService.save(attach));
+ }
/**
* 修改 附件表
*/
- // @PostMapping("/update")
- // @ApiOperationSupport(order = 5)
- // @ApiOperation(value = "修改", notes = "传入attach")
- // public R update(@Valid @RequestBody Attach attach) {
- // return R.status(attachService.updateById(attach));
- // }
+ @PostMapping("/update")
+ @ApiOperationSupport(order = 5)
+ @ApiOperation(value = "修改", notes = "传入attach")
+ public R update(@Valid @RequestBody Attach attach) {
+ return R.status(attachService.updateById(attach));
+ }
+ /**
+ * 流式附件下载接口，支持下载zip压缩包，不使用本地存储
+ * @param param
+ * @param response
+ * @throws IOException
+ */
+ @ApiOperation(value = "流式附件下载接口", notes = "使用流方式返回数据，不使用本地存储")
+ @PostMapping("/downloadByByte")
+ public void downloadByByte(
+ @ApiParam(value = "附件下载参数") @RequestBody AttachmentDownloadParam param,
+ HttpServletResponse response) throws IOException {
+ // 设置文件名
+ String timestamp = DateTimeUtil.format(LocalDateTime.now(), "yyyyMMdd_HHmmss");
+ String fileName = "attachments_" + timestamp + ".zip";
+
+ // 设置响应头
+ response.setContentType("application/zip");
+ response.setHeader("Content-Disposition", "attachment; filename=" + URLEncoder.encode(fileName, StandardCharsets.UTF_8.name()));
+
+ // 获取响应输出流
+ ServletOutputStream outputStream = null;
+ try {
+ outputStream = response.getOutputStream();
+
+ Boolean result = attachService.downloadByByte(param, outputStream);
+ if (!result) {
+ return;
+ }
+ } catch (Exception e) {
+ if (!response.isCommitted()) {
+ response.reset();
+ response.setContentType("application/json;charset=UTF-8");
+ ResponseResult errorResult = ResponseResult.error("下载文件失败: " + e.getMessage());
+
+ // 使用输出流写入错误信息，避免getWriter()冲突
+ try {
+ byte[] errorBytes = JSON.toJSONString(errorResult).getBytes(StandardCharsets.UTF_8);
+ outputStream.write(errorBytes);
+ } catch (IOException ioException) {
+ log.error("Error writing error response: {}", ioException.getMessage());
+ }
+ } else {
+ log.error("Cannot send error response: response already committed. Exception: {}", e.getMessage());
+ }
+ }
+ }
/**
* 删除 附件表及对应的附件信息
--
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