增加缓存，优化性能

src/main/java/com/github/zxbu/webdavteambition/store/TeambitionClientService.java

@@ -15,7 +15,6 @@ import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Service;
 import org.springframework.util.StringUtils;
 
-import javax.annotation.PostConstruct;
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.*;
@@ -29,6 +28,7 @@ public class TeambitionClientService {
     private static int chunkSize = 10485760; // 10MB
     private TFile rootTFile = null;
     private Map<String, TFile> nodeIdMap = new ConcurrentHashMap<>();
+    private Map<String, Set<TFile>> tFilesCache = new ConcurrentHashMap<>();
 
     private final TeambitionClient client;
 
@@ -38,6 +38,7 @@ public class TeambitionClientService {
     }
 
     public Set<TFile> getTFiles(String nodeId) {
+        return tFilesCache.computeIfAbsent(nodeId, key -> {
             NodeQuery nodeQuery = new NodeQuery();
             nodeQuery.setOrgId(client.getOrgId());
             nodeQuery.setOffset(0);
@@ -60,6 +61,8 @@ public class TeambitionClientService {
             }
             // 对文件名进行去重，只保留最新的一个
             return tFileSets;
+        });
+
     }
 
 
@@ -310,5 +313,6 @@ public class TeambitionClientService {
 
     private void clearCache(String path) {
         nodeIdMap.remove(path);
+        tFilesCache.clear();
     }
 }