StringUtils.isEmpty 改为自定义类，Spring不符合需求

src/main/java/com/yutou/nas/utils/BTDownloadManager.java

@@ -4,13 +4,11 @@ import com.alibaba.fastjson.JSONArray;
 import com.alibaba.fastjson.JSONObject;
 import com.yutou.nas.Services.IBangumiService;
 import com.yutou.nas.bangumi.AnimationData;
-import com.yutou.nas.interfaces.DownloadInterface;
 import com.yutou.nas.mybatis.model.BangumiItem;
 import org.jetbrains.annotations.NotNull;
 import org.springframework.beans.BeansException;
 import org.springframework.context.ApplicationContext;
 import org.springframework.context.ApplicationContextAware;
-import org.springframework.util.StringUtils;
 
 import javax.annotation.Resource;
 import java.io.File;

src/main/java/com/yutou/nas/utils/DepotManager.java

@@ -3,7 +3,7 @@ package com.yutou.nas.utils;
 import com.alibaba.fastjson.JSONArray;
 import com.alibaba.fastjson.JSONObject;
 import com.yutou.nas.interfaces.DownloadInterface;
-import org.springframework.util.StringUtils;
+import com.yutou.nas.utils.StringUtils;
 
 import java.io.File;
 import java.io.FileNotFoundException;

src/main/java/com/yutou/nas/utils/HttpTools.java

@@ -3,7 +3,7 @@ package com.yutou.nas.utils;
 import com.alibaba.fastjson.JSONObject;
 import com.yutou.nas.interfaces.DownloadInterface;
 import com.yutou.nas.utils.Interfaces.NetworkInterface;
-import org.springframework.util.StringUtils;
+import com.yutou.nas.utils.StringUtils;
 
 import java.io.*;
 import java.net.HttpURLConnection;

src/main/java/com/yutou/nas/utils/IdeaTools.java

@@ -1,6 +1,6 @@
 package com.yutou.nas.utils;
 
-import org.springframework.util.StringUtils;
+import com.yutou.nas.utils.StringUtils;
 
 import java.io.File;
 import java.io.IOException;

src/main/java/com/yutou/nas/utils/QQBotManager.java

@@ -13,7 +13,7 @@ import net.mamoe.mirai.message.data.Image;
 import net.mamoe.mirai.message.data.MessageChainBuilder;
 import net.mamoe.mirai.utils.BotConfiguration;
 import net.mamoe.mirai.utils.ExternalResource;
-import org.springframework.util.StringUtils;
+import com.yutou.nas.utils.StringUtils;
 
 import java.io.File;
 import java.lang.reflect.Field;

src/main/java/com/yutou/nas/utils/StringUtils.java

@@ -0,0 +1,7 @@
+package com.yutou.nas.utils;
+
+public class StringUtils {
+    public static boolean isEmpty(String str){
+        return str == null || str.trim().length() == 0;
+    }
+}

src/main/java/com/yutou/nas/utils/Tools.java

@@ -7,7 +7,7 @@ import org.springframework.core.io.FileSystemResource;
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
-import org.springframework.util.StringUtils;
+import com.yutou.nas.utils.StringUtils;
 import org.springframework.web.multipart.MultipartFile;
 
 import javax.servlet.http.Cookie;