From 358dd949448f4e949bbf0d51cd3f7a3ed3c38f80 Mon Sep 17 00:00:00 2001
From: fengyuan_yang <1976974459@qq.com>
Date: Tue, 16 Dec 2025 14:03:35 +0800
Subject: [PATCH] =?UTF-8?q?2025-12-16=20CLODOP=E4=B8=8B=E8=BD=BD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
---
.../java/com/gaotao/config/ShiroConfig.java | 1 +
.../controller/PrinterDownloadController.java | 119 ++++++++++++++++++
2 files changed, 120 insertions(+)
create mode 100644 src/main/java/com/gaotao/modules/print/controller/PrinterDownloadController.java
diff --git a/src/main/java/com/gaotao/config/ShiroConfig.java b/src/main/java/com/gaotao/config/ShiroConfig.java
index c6fd2f1..56c52db 100644
--- a/src/main/java/com/gaotao/config/ShiroConfig.java
+++ b/src/main/java/com/gaotao/config/ShiroConfig.java
@@ -62,6 +62,7 @@ public class ShiroConfig {
filterMap.put("/pda/**", "anon");
filterMap.put("/favicon.ico", "anon");
filterMap.put("/bootstrap/**", "anon");
+ filterMap.put("/printer/**", "anon"); // CLodop打印组件下载，无需登录
filterMap.put("/**", "oauth2");
filterMap.put("/by-file/**", "anon");
shiroFilter.setFilterChainDefinitionMap(filterMap);
diff --git a/src/main/java/com/gaotao/modules/print/controller/PrinterDownloadController.java b/src/main/java/com/gaotao/modules/print/controller/PrinterDownloadController.java
new file mode 100644
index 0000000..7a0ec84
--- /dev/null
+++ b/src/main/java/com/gaotao/modules/print/controller/PrinterDownloadController.java
@@ -0,0 +1,119 @@
+package com.gaotao.modules.print.controller;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import javax.servlet.http.HttpServletResponse;
+import java.io.*;
+import java.net.URLEncoder;
+
+/**
+ * CLodop打印组件下载控制器
+ * 用于提供CLodop打印组件安装程序的下载功能
+ */
+@RestController
+@RequestMapping("/printer")
+public class PrinterDownloadController {
+
+ private static final Logger logger = LoggerFactory.getLogger(PrinterDownloadController.class);
+
+ /**
+ * CLodop安装程序存放目录
+ * 可在配置文件中配置，默认为 D:\MES_Application\Printer
+ */
+ @Value("${clodop.installPath:D:\\MES_Application\\Printer}")
+ private String clodopInstallPath;
+
+ /**
+ * CLodop安装程序文件名
+ * 可在配置文件中配置，默认为 CLodop_Setup_for_Win32NT.exe
+ */
+ @Value("${clodop.fileName:CLodop_Setup_for_Win64.exe}")
+ private String clodopFileName;
+
+ /**
+ * 下载CLodop打印组件安装程序
+ * 前端调用路径: /printer/download
+ *
+ * @param response HTTP响应对象
+ */
+ @GetMapping("/download")
+ public void downloadClodop(HttpServletResponse response) {
+ // 构建完整文件路径
+ String filePath = clodopInstallPath + File.separator + clodopFileName;
+ File file = new File(filePath);
+
+ // 检查文件是否存在
+ if (!file.exists()) {
+ logger.error("CLodop安装程序文件不存在: {}", filePath);
+ try {
+ response.setContentType("text/html;charset=UTF-8");
+ response.getWriter().write("错误：CLodop打印组件安装程序文件不存在
请联系管理员检查服务器上的文件路径: " + filePath + "
");
+ } catch (IOException e) {
+ logger.error("写入错误响应失败", e);
+ }
+ return;
+ }
+
+ // 检查文件是否可读
+ if (!file.canRead()) {
+ logger.error("CLodop安装程序文件无法读取: {}", filePath);
+ try {
+ response.setContentType("text/html;charset=UTF-8");
+ response.getWriter().write("错误：无法读取CLodop打印组件安装程序文件
请联系管理员检查文件权限
");
+ } catch (IOException e) {
+ logger.error("写入错误响应失败", e);
+ }
+ return;
+ }
+
+ logger.info("开始下载CLodop安装程序: {}", filePath);
+
+ // 设置响应头
+ try {
+ // 设置内容类型为二进制流，用于文件下载
+ response.setContentType("application/octet-stream");
+ // 设置文件大小
+ response.setContentLengthLong(file.length());
+ // 设置文件名，使用URL编码处理中文文件名
+ String encodedFileName = URLEncoder.encode(clodopFileName, "UTF-8").replace("+", "%20");
+ response.setHeader("Content-Disposition", "attachment; filename=\"" + encodedFileName + "\"; filename*=UTF-8''" + encodedFileName);
+ // 允许跨域下载
+ response.setHeader("Access-Control-Expose-Headers", "Content-Disposition");
+ } catch (UnsupportedEncodingException e) {
+ logger.error("文件名编码失败", e);
+ }
+
+ // 读取文件并写入响应流
+ try (FileInputStream fis = new FileInputStream(file);
+ BufferedInputStream bis = new BufferedInputStream(fis);
+ OutputStream os = response.getOutputStream()) {
+
+ byte[] buffer = new byte[8192]; // 8KB缓冲区
+ int bytesRead;
+ while ((bytesRead = bis.read(buffer)) != -1) {
+ os.write(buffer, 0, bytesRead);
+ }
+ os.flush();
+ logger.info("CLodop安装程序下载完成: {}", filePath);
+
+ } catch (IOException e) {
+ logger.error("文件下载失败: {}", e.getMessage());
+ // 如果还没有开始写入响应体，可以返回错误信息
+ if (!response.isCommitted()) {
+ try {
+ response.reset();
+ response.setContentType("text/html;charset=UTF-8");
+ response.getWriter().write("错误：文件下载失败
" + e.getMessage() + "
");
+ } catch (IOException ex) {
+ logger.error("写入错误响应失败", ex);
+ }
+ }
+ }
+ }
+}
+