添加文件缓存

productManager/src/main/java/com/ruoyi/productionManager/service/IStandardInfoService.java

@@ -2,6 +2,7 @@ package com.ruoyi.productionManager.service;
 
 import java.util.List;
 import com.ruoyi.productionManager.domain.StandardInfo;
+import org.springframework.web.multipart.MultipartFile;
 
 /**
  * 试验标准管理Service接口
@@ -58,4 +59,11 @@ public interface IStandardInfoService
      * @return 结果
      */
     public int deleteStandardInfoByStandardId(Long standardId);
+
+    /**
+     * 上传文件
+     * @param file
+     * @return
+     */
+    public String uploadFile(MultipartFile file);
 }

productManager/src/main/java/com/ruoyi/productionManager/service/impl/StandardInfoServiceImpl.java

@@ -1,12 +1,24 @@
 package com.ruoyi.productionManager.service.impl;
 
 import java.util.List;
+import java.util.concurrent.TimeUnit;
+
+import com.ruoyi.common.config.RuoYiConfig;
+import com.ruoyi.common.constant.Constants;
+import com.ruoyi.common.core.domain.AjaxResult;
+import com.ruoyi.common.core.redis.RedisCache;
+import com.ruoyi.common.exception.ServiceException;
 import com.ruoyi.common.utils.DateUtils;
+import com.ruoyi.common.utils.file.FileUploadUtils;
+import com.ruoyi.common.utils.uuid.IdUtils;
+import io.netty.handler.codec.base64.Base64;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import com.ruoyi.productionManager.mapper.StandardInfoMapper;
 import com.ruoyi.productionManager.domain.StandardInfo;
 import com.ruoyi.productionManager.service.IStandardInfoService;
+import org.springframework.web.multipart.MultipartFile;
+import sun.misc.BASE64Encoder;
 
 /**
  * 试验标准管理Service业务层处理
@@ -20,6 +32,9 @@ public class StandardInfoServiceImpl implements IStandardInfoService
     @Autowired
     private StandardInfoMapper standardInfoMapper;
 
+    @Autowired
+    private RedisCache redisCache;
+
     /**
      * 查询试验标准管理
      * 
@@ -93,4 +108,38 @@ public class StandardInfoServiceImpl implements IStandardInfoService
     {
         return standardInfoMapper.deleteStandardInfoByStandardId(standardId);
     }
+
+    @Override
+    public String uploadFile(MultipartFile file) {
+        try {
+            String filePath = RuoYiConfig.getUploadPath();
+            IdUtils.fastUUID();
+            // 上传并返回新文件名称
+            String fileName = FileUploadUtils.upload(filePath, file);
+            String name ="";
+            for(String s:fileName.split("/",9)){
+                System.out.println("path>>>"+s);
+                name = s;
+            }
+            Byte[] data = new Byte[file.getResource().getInputStream().available()];
+            redisCache.setCacheObject(Constants.UPLOAD_FILE+name,
+                    data, 30, TimeUnit.MINUTES);
+//            取出缓存数据
+            Byte[] bytes = redisCache.getCacheObject(Constants.UPLOAD_FILE+name);
+
+            return fileName;
+        }catch (Exception e){
+            throw new ServiceException("上传失败：" + e.getMessage());
+        }
+    }
+    /**
+     * 设置cache key
+     *
+     * @param fileName 参数键
+     * @return 缓存键key
+     */
+    private String getCacheKey(String fileName)
+    {
+        return Constants.UPLOAD_FILE + fileName;
+    }
 }