下载txt文件到服务器并删除

lab-service-api/lab-capital-api/src/main/java/org/springblade/lims/goods/vo/ApplyVO.java

@@ -12,4 +12,6 @@ public class ApplyVO extends Apply {
     private static final long serialVersionUID = 1L;
 
     private List<ApplyDetail> detailList;
+
+    private String num;
 }

lab-service/lab-capital/src/main/java/org/springblade/lims/ocr/OcrDistinguish.java

@@ -0,0 +1,49 @@
+package org.springblade.lims.ocr;
+
+import lombok.AllArgsConstructor;
+import org.springblade.lims.goods.vo.ApplyVO;
+import org.springframework.web.bind.annotation.*;
+
+import java.io.File;
+import java.io.FileWriter;
+import java.util.Random;
+
+@RestController
+@AllArgsConstructor
+@RequestMapping("/ocrDistinguish")
+public class OcrDistinguish {
+
+    @PostMapping("/download")
+    public String download(@RequestBody ApplyVO applyVO) {
+        // 随机数文件名
+        long aLong = new Random().nextLong();
+        // 文件路径
+        String filePath = "/app/xumu/4.electronicSignature/" + aLong + ".txt";
+
+        FileWriter fw = null;
+        try {
+            File file = new File(filePath);
+            if (!file.exists()) {
+                file.createNewFile();
+            }
+            fw = new FileWriter(filePath);
+            fw.write(applyVO.getNum());
+        } catch (Exception e) {
+            e.printStackTrace();
+        } finally {
+            try {
+                fw.close();
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+        }
+        return aLong + ".txt";
+    }
+
+    @GetMapping("/delete")
+    public boolean delete(String num) {
+        File file = new File("/app/xumu/4.electronicSignature/" + num);
+        return file.delete();
+    }
+
+}