ADD file via upload

flower_back/src/main/java/com/example/flower/controller/UploadController.java

@@ -0,0 +1,63 @@
+package com.example.flower.controller;
+
+import com.alibaba.fastjson.JSONObject;
+import com.example.flower.unit.JWTUtil;
+import io.jsonwebtoken.Claims;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.io.File;
+import java.io.OutputStream;
+import java.nio.file.Files;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+@RestController
+@RequestMapping("/upload")
+public class UploadController {
+
+    @Value("${web.upload-path}")
+    String uploadPath;
+    //上传图片
+    @PostMapping("")
+    public JSONObject upload(@RequestHeader String Authorization,@RequestParam("file") MultipartFile file){
+        JSONObject jsonObject = new JSONObject();
+
+        if(!JWTUtil.checkToken(Authorization)){ //token认证失败
+            JWTUtil.checkTokenFailed(jsonObject);
+            return jsonObject;
+        }
+        Claims body= JWTUtil.getBodyByToken(Authorization);
+        int id = (int) body.get("id");
+
+        JSONObject json = new JSONObject();
+        try {
+            File rootDir = new File(uploadPath);
+            if(!rootDir.exists()){
+                rootDir.mkdir();
+            }
+            File userDir = new File(uploadPath+"/"+id);
+            if(!userDir.exists()){
+                userDir.mkdir();
+            }
+            String dateFormat = new SimpleDateFormat("yyyyMMddHHmmssSSS").format(new Date());
+            String type = file.getOriginalFilename().substring(file.getOriginalFilename().lastIndexOf("."));
+            File addFile = new File(userDir,dateFormat + type);
+            OutputStream outputStream = Files.newOutputStream(addFile.toPath());
+            outputStream.write(file.getBytes());
+
+            jsonObject.put("code",200);
+            jsonObject.put("msg","成功");
+
+            json.put("url","/"+id+ "/" + dateFormat + type);
+
+            jsonObject.put("data",json);
+        }catch (Exception e){
+            e.printStackTrace();
+            jsonObject.put("code",403);
+            jsonObject.put("msg","失败");
+        }
+        return jsonObject;
+    }
+}