2025-12-16

CLODOP下载

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);

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("<h3>错误：CLodop打印组件安装程序文件不存在</h3><p>请联系管理员检查服务器上的文件路径: " + filePath + "</p>");
+            } 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("<h3>错误：无法读取CLodop打印组件安装程序文件</h3><p>请联系管理员检查文件权限</p>");
+            } 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("<h3>错误：文件下载失败</h3><p>" + e.getMessage() + "</p>");
+                } catch (IOException ex) {
+                    logger.error("写入错误响应失败", ex);
+                }
+            }
+        }
+    }
+}
+