chore: optimized code

src/main/java/com/jmal/clouddisk/controller/rest/OcrController.java

@@ -0,0 +1,37 @@
+package com.jmal.clouddisk.controller.rest;
+
+import cn.hutool.core.date.TimeInterval;
+import cn.hutool.core.io.FileUtil;
+import cn.hutool.http.HttpUtil;
+import com.jmal.clouddisk.ocr.OcrService;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequiredArgsConstructor
+@Tag(name = "OCR")
+@Slf4j
+public class OcrController {
+
+    private final OcrService ocrService;
+
+    @GetMapping("/ocr")
+    public String performOcr(@RequestParam String fileUrl) {
+        String tempImagePath = ocrService.generateOrcTempImagePath();
+        try {
+            HttpUtil.downloadFile(fileUrl, tempImagePath);
+            TimeInterval timeInterval = new TimeInterval();
+            timeInterval.start();
+            String str = ocrService.doOCR(tempImagePath, null);
+            log.info("OCR time consuming: {}", timeInterval.intervalMs());
+            return str;
+        } finally {
+            // 删除临时文件
+            FileUtil.del(tempImagePath);
+        }
+    }
+}