🎨 优化代码结构, 调整包名, 方法名.

src/main/java/im/zhaojun/zfile/controller/home/LocalController.java

@@ -0,0 +1,49 @@
+package im.zhaojun.zfile.controller;
+
+import im.zhaojun.zfile.service.impl.LocalServiceImpl;
+import im.zhaojun.zfile.context.DriveContext;
+import im.zhaojun.zfile.util.FileUtil;
+import im.zhaojun.zfile.util.StringUtils;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Controller;
+import org.springframework.util.AntPathMatcher;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.ResponseBody;
+import org.springframework.web.servlet.HandlerMapping;
+
+import javax.annotation.Resource;
+import javax.servlet.http.HttpServletRequest;
+import java.io.File;
+
+/**
+ * 本地存储 Controller
+ * @author zhaojun
+ */
+@Controller
+public class LocalController {
+
+    @Resource
+    private DriveContext driveContext;
+
+    /**
+     * 本地存储下载指定文件
+     *
+     * @param   driveId
+     *          驱动器 ID
+     *
+     * @return  文件
+     */
+    @GetMapping("/file/{driveId}/**")
+    @ResponseBody
+    public ResponseEntity<Object> downAttachment(@PathVariable("driveId") Integer driveId, final HttpServletRequest request) {
+        String path = (String) request.getAttribute(
+                HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE);
+        String bestMatchPattern = (String) request.getAttribute(HandlerMapping.BEST_MATCHING_PATTERN_ATTRIBUTE);
+        AntPathMatcher apm = new AntPathMatcher();
+        String filePath = apm.extractPathWithinPattern(bestMatchPattern, path);
+        LocalServiceImpl localService = (LocalServiceImpl) driveContext.get(driveId);
+        return FileUtil.export(new File(StringUtils.removeDuplicateSeparator(localService.getFilePath() + ZFileConstant.PATH_SEPARATOR + filePath)));
+    }
+
+}